Add TOSCA support to Apex editor

The APEX editor now loads, saves, and downloads files in TOSCA format,
the same as the apex-pdp does.

The non-standard TOSCA handling for file upload has been refactored to
be aligned with the Policy Frameowkr TOSCA support.

Issue-ID: POLICY-2621
Change-Id: I1ec7475cbcc6ffc23de92687c9f284ac7dfbdd80
Signed-off-by: liamfallon <liam.fallon@est.tech>

32 files changed, 533 insertions, 1599 deletions

diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorMain.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorMain.java
index 9d88a2d..d8a4030 100644
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorMain.java
+++ b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorMain.java
@@ -22,13 +22,11 @@
 package org.onap.policy.gui.editors.apex.rest;
 
 import java.io.PrintStream;
-import org.onap.policy.common.parameters.ParameterService;
 import org.slf4j.ext.XLogger;
 import org.slf4j.ext.XLoggerFactory;
 
 /**
- * This class is the main class that is used to launch the Apex editor from the
- * command line.
+ * This class is the main class that is used to launch the Apex editor from the command line.
  *
  */
 public class ApexEditorMain {
@@ -61,7 +59,7 @@ public class ApexEditorMain {
     private ApexEditor apexEditor = null;
 
     // The parameters for the editor
-    private ApexEditorParameters parameters = null;
+    private static ApexEditorParameters parameters = null;
 
     // Output and error streams for messages
     private final PrintStream outStream;
@@ -86,7 +84,7 @@ public class ApexEditorMain {
             throw new ApexEditorParameterException(REST_ENDPOINT_PREFIX + this.toString() + ") parameter error, "
                 + e.getMessage() + '\n' + parser.getHelp(ApexEditorMain.class.getName()), e);
         }
-        if (parameters.isHelpSet()) {
+        if (parameters.isHelp()) {
             throw new ApexEditorParameterException(parser.getHelp(ApexEditorMain.class.getName()));
         }
 
@@ -97,8 +95,6 @@ public class ApexEditorMain {
                 + validationMessage + '\n' + parser.getHelp(ApexEditorMain.class.getName()));
         }
 
-        ParameterService.register(new UploadPluginConfigParameters());
-
         state = EditorState.READY;
     }
 
@@ -184,6 +180,15 @@ public class ApexEditorMain {
     }
 
     /**
+     * Get the editor parameters.
+     *
+     * @return the parameters
+     */
+    public static ApexEditorParameters getParameters() {
+        return parameters;
+    }
+
+    /**
      * This class is a shutdown hook for the Apex editor command.
      */
     private class ApexEditorShutdownHook implements Runnable {
@@ -212,4 +217,3 @@ public class ApexEditorMain {
         }
     }
 }
-
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorParameterParser.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorParameterParser.java
index 0033bcb..4337efc 100644
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorParameterParser.java
+++ b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorParameterParser.java
@@ -46,19 +46,67 @@ public class ApexEditorParameterParser {
      * Construct the options for the CLI editor.
      */
     public ApexEditorParameterParser() {
+        // @formatter:off
         options = new Options();
         options.addOption("h", "help", false, "outputs the usage of this command");
-        options
-            .addOption(Option.builder("p").longOpt("port").desc("port to use for the Apex RESTful editor REST calls.")
-                .hasArg().argName("PORT").required(false).type(Number.class).build());
-        options.addOption(Option.builder("t").longOpt("time-to-live")
-            .desc("the amount of time in seconds that the server will run for before terminating. "
-                + "Default value is " + ApexEditorParameters.INFINITY_TIME_TO_LIVE + " to run indefinitely.")
-            .hasArg().argName("TIME_TO_LIVE").required(false).type(Number.class).build());
-        options.addOption(Option.builder("l").longOpt("listen")
-            .desc("the IP address to listen on.  Default value is " + ApexEditorParameters.DEFAULT_SERVER_URI_ROOT
-                + " to restrict access to the local machine only.")
-            .hasArg().argName("ADDRESS").required(false).type(String.class).build());
+        options.addOption(
+            Option
+                .builder("p")
+                .longOpt("port")
+                .desc("port to use for the Apex RESTful editor REST calls.")
+                .hasArg()
+                .argName("PORT")
+                .required(false)
+                .type(Number.class)
+                .build()
+        );
+        options.addOption(
+            Option
+                .builder("t")
+                .longOpt("time-to-live")
+                .desc("the amount of time in seconds that the server will run for before terminating. "
+                    + "Default value is " + ApexEditorParameters.INFINITY_TIME_TO_LIVE + " to run indefinitely.")
+                .hasArg()
+                .argName("TIME_TO_LIVE")
+                .required(false)
+                .type(Number.class)
+                .build()
+        );
+        options.addOption(
+            Option
+                .builder("l")
+                .longOpt("listen")
+                .desc("the IP address to listen on.  Default value is " + ApexEditorParameters.DEFAULT_SERVER_URI_ROOT
+                    + " to restrict access to the local machine only.")
+                .hasArg()
+                .argName("ADDRESS")
+                .required(false)
+                .type(String.class)
+                .build()
+        );
+        options.addOption(
+            Option
+                .builder("uuid")
+                .longOpt("upload-userid")
+                .desc("the userid to use for uploads. Default value is null. Must be specified if the upload-url "
+                    + "parameter is specified")
+                .hasArg().argName("USERID")
+                .required(false)
+                .type(String.class)
+                .build()
+        );
+        options.addOption(
+            Option
+                .builder("uurl")
+                .longOpt("upload-url")
+                .desc("the URL to use for uploads. Default value is null")
+                .hasArg()
+                .argName("USERID")
+                .required(false)
+                .type(String.class)
+                .build()
+        );
+        // @formatter:on
     }
 
     /**
@@ -107,6 +155,20 @@ public class ApexEditorParameterParser {
         } catch (final ParseException e) {
             throw new ApexEditorParameterException("error parsing argument \"listen-address\" :" + e.getMessage(), e);
         }
+        try {
+            if (commandLine.hasOption("uuid")) {
+                parameters.setUploadUserid(commandLine.getParsedOptionValue("uuid").toString());
+            }
+        } catch (final ParseException e) {
+            throw new ApexEditorParameterException("error parsing argument \"upload-uuid\" :" + e.getMessage(), e);
+        }
+        try {
+            if (commandLine.hasOption("uurl")) {
+                parameters.setUploadUrl(commandLine.getParsedOptionValue("uurl").toString());
+            }
+        } catch (final ParseException e) {
+            throw new ApexEditorParameterException("error parsing argument \"upload-url\" :" + e.getMessage(), e);
+        }
 
         return parameters;
     }
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorParameters.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorParameters.java
index c4c36ff..e89e69f 100644
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorParameters.java
+++ b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/ApexEditorParameters.java
@@ -21,8 +21,12 @@
 
 package org.onap.policy.gui.editors.apex.rest;
 
+import java.net.MalformedURLException;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.net.URL;
+import lombok.Data;
+import org.apache.commons.lang3.StringUtils;
 import org.slf4j.ext.XLogger;
 import org.slf4j.ext.XLoggerFactory;
 
@@ -31,6 +35,7 @@ import org.slf4j.ext.XLoggerFactory;
  *
  * @author Liam Fallon (liam.fallon@ericsson.com)
  */
+@Data
 public class ApexEditorParameters {
     // Logger for this class
     private static final XLogger LOGGER = XLoggerFactory.getXLogger(ApexEditorParameters.class);
@@ -56,10 +61,12 @@ public class ApexEditorParameters {
     private static final String[] DEFAULT_PACKAGES = new String[] { "org.onap.policy.gui.editors.apex.rest" };
 
     // The editor parameters
-    private boolean helpSet = false;
+    private boolean help = false;
     private int restPort = DEFAULT_REST_PORT;
     private long timeToLive = INFINITY_TIME_TO_LIVE;
     private String listenAddress = DEFAULT_SERVER_URI_ROOT;
+    private String uploadUrl = null;
+    private String uploadUserid = null;
 
     /**
      * Validate.
@@ -71,6 +78,8 @@ public class ApexEditorParameters {
         validationMessage += validatePort();
         validationMessage += validateTimeToLive();
         validationMessage += validateUrl();
+        validationMessage += validateUploadUrl();
+        validationMessage += validateUploadUserid();
 
         return validationMessage;
     }
@@ -144,86 +153,22 @@ public class ApexEditorParameters {
         }
     }
 
-    /**
-     * Checks if is help set.
-     *
-     * @return true, if checks if is help set
-     */
-    public boolean isHelpSet() {
-        return helpSet;
-    }
-
-    /**
-     * Sets the help.
-     *
-     * @param help the help
-     */
-    public void setHelp(final boolean help) {
-        this.helpSet = help;
-    }
-
-    /**
-     * Gets the REST port.
-     *
-     * @return the REST port
-     */
-    public int getRestPort() {
-        return restPort;
-    }
-
-    /**
-     * Sets the REST port.
-     *
-     * @param incomingRestPort the REST port
-     */
-    public void setRestPort(final int incomingRestPort) {
-        this.restPort = incomingRestPort;
-    }
-
-    /**
-     * Gets the time to live.
-     *
-     * @return the time to live
-     */
-    public long getTimeToLive() {
-        return timeToLive;
-    }
-
-    /**
-     * Sets the time to live.
-     *
-     * @param timeToLive the time to live
-     */
-    public void setTimeToLive(final long timeToLive) {
-        this.timeToLive = timeToLive;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        final StringBuilder ret = new StringBuilder();
-        ret.append(this.getClass().getSimpleName()).append(": URI=").append(this.getBaseUri()).append(", TTL=")
-            .append(this.getTimeToLive()).append("sec");
-        return ret.toString();
-    }
-
-    /**
-     * Gets the base address to listen on.
-     *
-     * @return the listenAddress
-     */
-    public String getListenAddress() {
-        return listenAddress;
+    private String validateUploadUrl() {
+        if (!StringUtils.isBlank(uploadUrl)) {
+            try {
+                new URL(uploadUrl);
+            } catch (MalformedURLException murle) {
+                return "Specified upload-url parameter is an invalid URL" + murle.getMessage() + "\n";
+            }
+        }
+        return "";
     }
 
-    /**
-     * Sets the base address to listen on.
-     *
-     * @param listenAddress the new listenAddress
-     */
-    public void setListenAddress(final String listenAddress) {
-        this.listenAddress = listenAddress;
+    private String validateUploadUserid() {
+        if (!StringUtils.isEmpty(uploadUrl) && StringUtils.isEmpty(uploadUserid)) {
+            return "upload-userid parameter must be specified if the upload-url parameter is specified\n";
+        } else {
+            return "";
+        }
     }
 }
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/UploadPluginConfigParameters.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/UploadPluginConfigParameters.java
deleted file mode 100644
index e056339..0000000
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/UploadPluginConfigParameters.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.gui.editors.apex.rest;
-
-import java.util.Optional;
-import lombok.Getter;
-import lombok.Setter;
-import org.apache.commons.lang3.StringUtils;
-import org.onap.policy.common.parameters.GroupValidationResult;
-import org.onap.policy.common.parameters.ParameterGroup;
-import org.onap.policy.common.parameters.ValidationStatus;
-import org.onap.policy.gui.editors.apex.rest.handling.config.PolicyUploadPluginConfigKey;
-
-@Getter
-public class UploadPluginConfigParameters implements ParameterGroup {
-
-    public static final String GROUP_NAME = "UploadParameters";
-
-    @Setter
-    private String name;
-    private boolean isEnabled;
-    private String url;
-
-    public UploadPluginConfigParameters() {
-        this.name = GROUP_NAME;
-        initProperties();
-    }
-
-    private void initProperties() {
-        final String isEnabledProperty = System.getProperty(PolicyUploadPluginConfigKey.ENABLE.getKey());
-        isEnabled = Boolean.parseBoolean(isEnabledProperty);
-        url = System.getProperty(PolicyUploadPluginConfigKey.URL.getKey());
-    }
-
-    @Override
-    public GroupValidationResult validate() {
-        final GroupValidationResult result = new GroupValidationResult(this);
-        if (isEnabled && StringUtils.isEmpty(url)) {
-            result.setResult("url", ValidationStatus.INVALID,
-                String.format("The URL for the upload endpoint must be provided as the java property '%s'",
-                    PolicyUploadPluginConfigKey.URL.getKey()));
-        }
-
-        return result;
-    }
-
-    /**
-     * Gets a property value based on the key and type.
-     *
-     * @param <T> represents the class type
-     * @param key the property key
-     * @return the property value if it exists
-     */
-    public <T> Optional<T> getValue(final PolicyUploadPluginConfigKey key) {
-        final Class<?> type = key.getType();
-        if (key == PolicyUploadPluginConfigKey.URL && type.isInstance(url)) {
-            return (Optional<T>) Optional.of(type.cast(url));
-        }
-        if (key == PolicyUploadPluginConfigKey.ENABLE && type.isInstance(isEnabled)) {
-            return (Optional<T>) Optional.of(type.cast(isEnabled));
-        }
-        return Optional.empty();
-    }
-
-}
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ApexEditorRestResource.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ApexEditorRestResource.java
index 3083c4a..ba3d5e7 100644
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ApexEditorRestResource.java
+++ b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ApexEditorRestResource.java
@@ -22,7 +22,6 @@
 package org.onap.policy.gui.editors.apex.rest.handling;
 
 import java.io.IOException;
-import java.io.InputStream;
 import javax.ws.rs.Consumes;
 import javax.ws.rs.DELETE;
 import javax.ws.rs.GET;
@@ -33,18 +32,9 @@ import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.MediaType;
-import org.glassfish.jersey.media.multipart.FormDataParam;
 import org.onap.policy.apex.model.modelapi.ApexApiResult;
 import org.onap.policy.apex.model.modelapi.ApexApiResult.Result;
-import org.onap.policy.common.parameters.ParameterService;
-import org.onap.policy.common.utils.coder.StandardCoder;
-import org.onap.policy.common.utils.coder.YamlJsonTranslator;
 import org.onap.policy.common.utils.resources.TextFileUtils;
-import org.onap.policy.gui.editors.apex.rest.UploadPluginConfigParameters;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ApexConfigProcessor;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ToscaTemplateProcessor;
-import org.onap.policy.gui.editors.apex.rest.handling.plugin.upload.UploadPluginClient;
 import org.slf4j.ext.XLogger;
 import org.slf4j.ext.XLoggerFactory;
 
@@ -69,8 +59,8 @@ import org.slf4j.ext.XLoggerFactory;
  *
  */
 @Path("editor/{session}")
-@Produces({MediaType.APPLICATION_JSON})
-@Consumes({MediaType.APPLICATION_JSON})
+@Produces({ MediaType.APPLICATION_JSON })
+@Consumes({ MediaType.APPLICATION_JSON })
 public class ApexEditorRestResource implements RestCommandHandler {
 
     // Get a reference to the logger
@@ -101,7 +91,6 @@ public class ApexEditorRestResource implements RestCommandHandler {
     private static final TaskHandler          TASK_HANDLER           = new TaskHandler();
     private static final PolicyHandler        POLICY_HANDLER         = new PolicyHandler();
 
-    private final PolicyUploadHandler policyUploadHandler;
     //@formatter:on
     // The ID of this session. This gets injected from the URL.
 
@@ -109,18 +98,6 @@ public class ApexEditorRestResource implements RestCommandHandler {
     private int sessionId = -1;
 
     /**
-     * Creates the ApexEditorRestResource instance.
-     */
-    public ApexEditorRestResource() {
-        final StandardCoder standardCoder = new StandardCoder();
-        policyUploadHandler = new PolicyUploadHandler(
-            new UploadPluginClient(), new PolicyToscaConverter(standardCoder, new YamlJsonTranslator()),
-            new ToscaTemplateProcessor(standardCoder), new ApexConfigProcessor(standardCoder),
-            ParameterService.get(UploadPluginConfigParameters.GROUP_NAME)
-        );
-    }
-
-    /**
      * Creates a new session. Always call this method with sessionID -1, whereby a new sessionID will be allocated. If
      * successful the new sessionID will be available in the first message in the result.
      *
@@ -144,7 +121,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * Load the model from a JSON string for this session.
      *
      * @param jsonString the JSON string to be parsed. The returned value(s) will be similar to {@code AxPolicyModel},
-     *        with merged {@code AxKeyInfo} for the root object.
+     *                   with merged {@code AxKeyInfo} for the root object.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
@@ -250,26 +227,14 @@ public class ApexEditorRestResource implements RestCommandHandler {
     }
 
     /**
-     * Uploads a Policy Model to a configured endpoint converting it to tosca based on the given apex config and tosca
-     * templates.
+     * Uploads a TOSCA Policy Model to a configured endpoint.
      *
-     * @param toscaTemplateFileStream the tosca template file input stream
-     * @param apexConfigFileStream the apex config file input stream
      * @return an ApexAPIResult that contains the operation status and success/error messages
      */
-    @POST
+    @GET
     @Path("Model/Upload")
-    @Consumes({MediaType.MULTIPART_FORM_DATA})
-    public ApexApiResult uploadModel(@FormDataParam("tosca-template-file") InputStream toscaTemplateFileStream,
-           @FormDataParam("apex-config-file") InputStream apexConfigFileStream,
-           @FormDataParam("userId") String userId) {
-        final ApexApiResult result = new ApexApiResult();
-        final RestSession session = SESSION_HANDLER.getSession(sessionId, result);
-        if (session == null) {
-            return result;
-        }
-        return policyUploadHandler.doUpload(session.getApexModel(), toscaTemplateFileStream,
-                                            apexConfigFileStream, userId);
+    public ApexApiResult uploadModel() {
+        return processRestCommand(RestCommandType.MODEL, RestCommand.UPLOAD);
     }
 
     /**
@@ -288,7 +253,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * List key information with the given key names/versions. If successful the result(s) will be available in the
      * result messages. See {@code AxKeyInfo}
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -296,7 +261,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     @GET
     @Path("KeyInformation/Get")
     public ApexApiResult listKeyInformation(@QueryParam(NAME) final String name,
-           @QueryParam(VERSION) final String version) {
+        @QueryParam(VERSION) final String version) {
         return processRestCommand(RestCommandType.KEY_INFO, RestCommand.LIST, name, version);
     }
 
@@ -331,7 +296,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * result messages. The returned value(s) will be similar to {@code AxContextSchema}, with merged {@code AxKeyInfo}
      * for the root object.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -339,14 +304,14 @@ public class ApexEditorRestResource implements RestCommandHandler {
     @GET
     @Path("ContextSchema/Get")
     public ApexApiResult listContextSchemas(@QueryParam(NAME) final String name,
-            @QueryParam(VERSION) final String version) {
+        @QueryParam(VERSION) final String version) {
         return processRestCommand(RestCommandType.CONTEXT_SCHEMA, RestCommand.LIST, name, version);
     }
 
     /**
      * Delete context schemas with the given key names/versions.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -354,7 +319,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     @DELETE
     @Path("ContextSchema/Delete")
     public ApexApiResult deleteContextSchema(@QueryParam(NAME) final String name,
-            @QueryParam(VERSION) final String version) {
+        @QueryParam(VERSION) final String version) {
         return processRestCommand(RestCommandType.CONTEXT_SCHEMA, RestCommand.DELETE, name, version);
     }
 
@@ -362,7 +327,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * Validate context schemas with the given key names/versions. The result(s) will be available in the result
      * messages.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -370,7 +335,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     @GET
     @Path("Validate/ContextSchema")
     public ApexApiResult validateContextSchemas(@QueryParam(NAME) final String name,
-            @QueryParam(VERSION) final String version) {
+        @QueryParam(VERSION) final String version) {
         return processRestCommand(RestCommandType.CONTEXT_SCHEMA, RestCommand.VALIDATE, name, version);
     }
 
@@ -405,7 +370,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * result messages. The returned value(s) will be similar to {@code AxContextAlbum}, with merged {@code AxKeyInfo}
      * for the root object.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -413,14 +378,14 @@ public class ApexEditorRestResource implements RestCommandHandler {
     @GET
     @Path("ContextAlbum/Get")
     public ApexApiResult listContextAlbums(@QueryParam(NAME) final String name,
-            @QueryParam(VERSION) final String version) {
+        @QueryParam(VERSION) final String version) {
         return processRestCommand(RestCommandType.CONTEXT_ALBUM, RestCommand.LIST, name, version);
     }
 
     /**
      * Delete context albums with the given key names/versions.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -428,7 +393,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     @DELETE
     @Path("ContextAlbum/Delete")
     public ApexApiResult deleteContextAlbum(@QueryParam(NAME) final String name,
-            @QueryParam(VERSION) final String version) {
+        @QueryParam(VERSION) final String version) {
         return processRestCommand(RestCommandType.CONTEXT_ALBUM, RestCommand.DELETE, name, version);
     }
 
@@ -436,7 +401,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * Validate context albums with the given key names/versions. The result(s) will be available in the result
      * messages.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -444,7 +409,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     @GET
     @Path("Validate/ContextAlbum")
     public ApexApiResult validateContextAlbums(@QueryParam(NAME) final String name,
-            @QueryParam(VERSION) final String version) {
+        @QueryParam(VERSION) final String version) {
         return processRestCommand(RestCommandType.CONTEXT_ALBUM, RestCommand.VALIDATE, name, version);
     }
 
@@ -479,7 +444,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * messages. The returned value(s) will be similar to {@code AxEvent}, with merged {@code AxKeyInfo} for the root
      * object.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -493,7 +458,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     /**
      * Delete events with the given key names/versions.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -507,7 +472,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     /**
      * Validate events with the given key names/versions. The result(s) will be available in the result messages.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -549,7 +514,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * messages. The returned value(s) will be similar to {@code AxTask}, with merged {@code AxKeyInfo} for the root
      * object.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -563,7 +528,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     /**
      * Delete tasks with the given key names/versions.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -577,7 +542,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     /**
      * Validate tasks with the given key names/versions. The result(s) will be available in the result messages.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -605,14 +570,14 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * Update a policy with the information in the JSON string passed.
      *
      * @param firstStatePeriodic indicates if periodic event should be created and added to model
-     * @param jsonString the JSON string to be parsed. See {@code BeanPolicy}
+     * @param jsonString         the JSON string to be parsed. See {@code BeanPolicy}
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
     @PUT
     @Path("Policy/Update")
     public ApexApiResult updatePolicy(@QueryParam("firstStatePeriodic") final boolean firstStatePeriodic,
-            final String jsonString) {
+        final String jsonString) {
 
         ApexApiResult result = processRestCommand(RestCommandType.POLICY, RestCommand.UPDATE, jsonString);
         if (result != null && result.isOk() && firstStatePeriodic) {
@@ -626,7 +591,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * messages. The returned value(s) will be similar to {@code AxPolicy}, with merged {@code AxKeyInfo} for the root
      * object.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -640,7 +605,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
     /**
      * Delete policies with the given key names/versions.
      *
-     * @param name the name to search for. If null or empty, then all names will be queried
+     * @param name    the name to search for. If null or empty, then all names will be queried
      * @param version the version to search for. If null then all versions will be searched for.
      * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
      *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
@@ -655,7 +620,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * This method routes REST commands that take no parameters to their caller.
      *
      * @param commandType the type of REST command to process
-     * @param command the REST command to process
+     * @param command     the REST command to process
      * @return the result of the REST command
      */
     private ApexApiResult processRestCommand(final RestCommandType commandType, final RestCommand command) {
@@ -680,12 +645,12 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * This method routes REST commands that take a JSON string to their caller.
      *
      * @param commandType the type of REST command to process
-     * @param command the REST command to process
-     * @param jsonString the JSON string received in the REST request
+     * @param command     the REST command to process
+     * @param jsonString  the JSON string received in the REST request
      * @return the result of the REST command
      */
     private ApexApiResult processRestCommand(final RestCommandType commandType, final RestCommand command,
-            final String jsonString) {
+        final String jsonString) {
         LOGGER.entry(commandType, jsonString);
         try {
             ApexApiResult result = new ApexApiResult();
@@ -707,13 +672,13 @@ public class ApexEditorRestResource implements RestCommandHandler {
      * This method routes REST commands that take a name and version to their caller.
      *
      * @param commandType the type of REST command to process
-     * @param command the REST command to process
-     * @param name the name received in the REST request
-     * @param version the name received in the REST request
+     * @param command     the REST command to process
+     * @param name        the name received in the REST request
+     * @param version     the name received in the REST request
      * @return the result of the REST command
      */
     private ApexApiResult processRestCommand(final RestCommandType commandType, final RestCommand command,
-            final String name, final String version) {
+        final String name, final String version) {
         LOGGER.entry(commandType, name, version);
         try {
             ApexApiResult result = new ApexApiResult();
@@ -734,14 +699,14 @@ public class ApexEditorRestResource implements RestCommandHandler {
     /**
      * This method invokes callers to run REST commands that take no parameters.
      *
-     * @param session the Apex editor session
+     * @param session     the Apex editor session
      * @param commandType the type of REST command to process
-     * @param command the REST command to process
+     * @param command     the REST command to process
      * @return the result of the REST command
      */
     @Override
     public ApexApiResult executeRestCommand(final RestSession session, final RestCommandType commandType,
-           final RestCommand command) {
+        final RestCommand command) {
         switch (commandType) {
             case MODEL:
                 return MODEL_HANDLER.executeRestCommand(session, commandType, command);
@@ -765,15 +730,15 @@ public class ApexEditorRestResource implements RestCommandHandler {
     /**
      * This method invokes callers to run REST commands that take a JSON string.
      *
-     * @param session the Apex editor session
+     * @param session     the Apex editor session
      * @param commandType the type of REST command to process
-     * @param command the REST command to process
-     * @param jsonString the JSON string received in the REST request
+     * @param command     the REST command to process
+     * @param jsonString  the JSON string received in the REST request
      * @return the result of the REST command
      */
     @Override
     public ApexApiResult executeRestCommand(final RestSession session, final RestCommandType commandType,
-           final RestCommand command, final String jsonString) {
+        final RestCommand command, final String jsonString) {
         switch (commandType) {
             case MODEL:
                 return MODEL_HANDLER.executeRestCommand(session, commandType, command, jsonString);
@@ -797,16 +762,16 @@ public class ApexEditorRestResource implements RestCommandHandler {
     /**
      * This method invokes callers to run REST commands that take a name and version.
      *
-     * @param session the Apex editor session
+     * @param session     the Apex editor session
      * @param commandType the type of REST command to process
-     * @param command the REST command to process
-     * @param name the name received in the REST request
-     * @param version the name received in the REST request
+     * @param command     the REST command to process
+     * @param name        the name received in the REST request
+     * @param version     the name received in the REST request
      * @return the result of the REST command
      */
     @Override
     public ApexApiResult executeRestCommand(final RestSession session, final RestCommandType commandType,
-           final RestCommand command, final String name, final String version) {
+        final RestCommand command, final String name, final String version) {
         switch (commandType) {
             case MODEL:
                 return MODEL_HANDLER.executeRestCommand(session, commandType, command, name, version);
@@ -836,7 +801,7 @@ public class ApexEditorRestResource implements RestCommandHandler {
             periodicEventJsonString = TextFileUtils.getTextFileAsString(PERIODIC_EVENT_TEMPLATE);
         } catch (IOException ioException) {
             String message = "read of periodic event tempalte from " + PERIODIC_EVENT_TEMPLATE + "failed: "
-                    + ioException.getMessage();
+                + ioException.getMessage();
             LOGGER.debug(message, ioException);
             return new ApexApiResult(Result.FAILED, message);
         }
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ConfigurationRestResource.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ConfigurationRestResource.java
deleted file mode 100644
index 76af06e..0000000
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ConfigurationRestResource.java
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.gui.editors.apex.rest.handling;
-
-import java.util.Map;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-import javax.ws.rs.Consumes;
-import javax.ws.rs.GET;
-import javax.ws.rs.Path;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import org.onap.policy.apex.model.modelapi.ApexApiResult;
-import org.onap.policy.apex.model.modelapi.ApexApiResult.Result;
-import org.onap.policy.common.parameters.ParameterService;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.common.utils.coder.StandardCoder;
-import org.onap.policy.gui.editors.apex.rest.UploadPluginConfigParameters;
-import org.onap.policy.gui.editors.apex.rest.handling.config.PolicyUploadPluginConfigKey;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Handles endpoints for the configuration properties.
- */
-@Path("editor/config")
-@Produces({MediaType.APPLICATION_JSON})
-@Consumes({MediaType.APPLICATION_JSON})
-public class ConfigurationRestResource {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(ConfigurationRestResource.class);
-    private static final StandardCoder STANDARD_CODER = new StandardCoder();
-
-    private final UploadPluginConfigParameters uploadConfigParam;
-
-    public ConfigurationRestResource() {
-        uploadConfigParam = ParameterService.get(UploadPluginConfigParameters.GROUP_NAME);
-    }
-
-    /**
-     * Gets the configured properties.
-     *
-     * @return the properties as JSON in the ApexApiResult messages list.
-     */
-    @GET
-    @Path("")
-    public ApexApiResult show() {
-        final ApexApiResult result = new ApexApiResult(Result.SUCCESS);
-
-        final Map<String, Object> configMap = Stream.of(PolicyUploadPluginConfigKey.values())
-            .filter(key -> uploadConfigParam.getValue(key).isPresent())
-            .collect(Collectors.toMap(PolicyUploadPluginConfigKey::getKey,
-                configKey -> uploadConfigParam.getValue(configKey).get()));
-        try {
-            final String encode = STANDARD_CODER.encode(configMap);
-            result.addMessage(encode);
-        } catch (final CoderException e) {
-            result.setResult(Result.FAILED);
-            final String errorMsg = "Could not parse configuration parameters as JSON";
-            result.addMessage(errorMsg);
-            LOGGER.error(errorMsg, e);
-        }
-        return result;
-    }
-
-}
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ModelHandler.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ModelHandler.java
index 3bedad2..9770710 100644
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ModelHandler.java
+++ b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/ModelHandler.java
@@ -75,6 +75,8 @@ public class ModelHandler implements RestCommandHandler {
                 return listModel(session);
             case DOWNLOAD:
                 return downloadModel(session);
+            case UPLOAD:
+                return uploadModel(session);
             case DELETE:
                 return deleteModel(session);
             default:
@@ -117,34 +119,31 @@ public class ModelHandler implements RestCommandHandler {
      * Load the model from a JSON string for this session.
      *
      * @param session    the Apex model editing session
-     * @param jsonString the JSON string to be parsed. The returned value(s) will be
-     *                   similar to {@link AxPolicyModel}, with merged
-     *                   {@linkplain AxKeyInfo} for the root object.
-     * @return an ApexAPIResult object. If successful then
-     *         {@link ApexApiResult#isOk()} will return true. Any messages/errors
-     *         can be retrieved using {@link ApexApiResult#getMessages()}
+     * @param jsonString the JSON string to be parsed. The returned value(s) will be similar to {@link AxPolicyModel},
+     *                   with merged {@linkplain AxKeyInfo} for the root object.
+     * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
+     *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
     private ApexApiResult loadFromString(final RestSession session, final String jsonString) {
         LOGGER.entry(jsonString);
 
         session.editModel();
 
-        ApexApiResult result = session.getApexModelEdited().loadFromString(jsonString);
+        ApexApiResult result = session.loadFromString(jsonString);
 
         session.finishSession(result.isOk());
 
-        LOGGER.exit("Model/Load" + (result != null && result.isOk() ? OK : NOT_OK));
+        LOGGER.exit("Model/Load" + (result.isOk() ? OK : NOT_OK));
         return result;
     }
 
     /**
-     * Analyse the model and return analysis results. If successful the analysis
-     * results will be available in the messages in the result.
+     * Analyse the model and return analysis results. If successful the analysis results will be available in the
+     * messages in the result.
      *
      * @param session the Apex model editing session
-     * @return an ApexAPIResult object. If successful then
-     *         {@link ApexApiResult#isOk()} will return true. Any messages/errors
-     *         can be retrieved using {@link ApexApiResult#getMessages()}
+     * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
+     *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
     private ApexApiResult analyse(final RestSession session) {
         LOGGER.entry();
@@ -156,13 +155,12 @@ public class ModelHandler implements RestCommandHandler {
     }
 
     /**
-     * Validate the model and return validation results. If successful the
-     * validation results will be available in the messages in the result.
+     * Validate the model and return validation results. If successful the validation results will be available in the
+     * messages in the result.
      *
      * @param session the Apex model editing session
-     * @return an ApexAPIResult object. If successful then
-     *         {@link ApexApiResult#isOk()} will return true. Any messages/errors
-     *         can be retrieved using {@link ApexApiResult#getMessages()}
+     * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
+     *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
     private ApexApiResult validate(final RestSession session) {
         LOGGER.entry();
@@ -177,11 +175,9 @@ public class ModelHandler implements RestCommandHandler {
      * Creates the new model model for this session.
      *
      * @param session    the Apex model editing session
-     * @param jsonString the JSON string to be parsed containing the new model. See
-     *                   {@linkplain BeanModel}
-     * @return an ApexAPIResult object. If successful then
-     *         {@link ApexApiResult#isOk()} will return true. Any messages/errors
-     *         can be retrieved using {@link ApexApiResult#getMessages()}
+     * @param jsonString the JSON string to be parsed containing the new model. See {@linkplain BeanModel}
+     * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
+     *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
     private ApexApiResult createModel(final RestSession session, final String jsonString) {
         LOGGER.entry(jsonString);
@@ -195,7 +191,7 @@ public class ModelHandler implements RestCommandHandler {
 
         session.finishSession(result.isOk());
 
-        LOGGER.exit("Model/Create" + (result != null && result.isOk() ? OK : NOT_OK));
+        LOGGER.exit("Model/Create" + (result.isOk() ? OK : NOT_OK));
         return result;
     }
 
@@ -203,11 +199,9 @@ public class ModelHandler implements RestCommandHandler {
      * Update the model for this session.
      *
      * @param session    the Apex model editing session
-     * @param jsonString the JSON string to be parsed containing the updated model.
-     *                   See {@linkplain BeanModel}
-     * @return an ApexAPIResult object. If successful then
-     *         {@link ApexApiResult#isOk()} will return true. Any messages/errors
-     *         can be retrieved using {@link ApexApiResult#getMessages()}
+     * @param jsonString the JSON string to be parsed containing the updated model. See {@linkplain BeanModel}
+     * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
+     *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
     private ApexApiResult updateModel(final RestSession session, final String jsonString) {
         LOGGER.entry(jsonString);
@@ -221,18 +215,17 @@ public class ModelHandler implements RestCommandHandler {
 
         session.finishSession(result.isOk());
 
-        LOGGER.exit("Model/Update" + (result != null && result.isOk() ? OK : NOT_OK));
+        LOGGER.exit("Model/Update" + (result.isOk() ? OK : NOT_OK));
         return result;
     }
 
     /**
-     * Gets the key for the model for this session. If successful the model key will
-     * be available in the first message in the result. See {@linkplain AxKey}
+     * Gets the key for the model for this session. If successful the model key will be available in the first message
+     * in the result. See {@linkplain AxKey}
      *
      * @param session the Apex model editing session
-     * @return an ApexAPIResult object. If successful then
-     *         {@link ApexApiResult#isOk()} will return true. Any messages/errors
-     *         can be retrieved using {@link ApexApiResult#getMessages()}
+     * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
+     *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
     private ApexApiResult getModelKey(final RestSession session) {
         LOGGER.entry();
@@ -244,15 +237,13 @@ public class ModelHandler implements RestCommandHandler {
     }
 
     /**
-     * Retrieve the model for this session. If successful the model will be
-     * available in the first message in the result. The returned value will be
-     * similar to a {@link AxPolicyModel}, with merged {@linkplain AxKeyInfo} for
-     * the root object.
+     * Retrieve the model for this session. If successful the model will be available in the first message in the
+     * result. The returned value will be similar to a {@link AxPolicyModel}, with merged {@linkplain AxKeyInfo} for the
+     * root object.
      *
      * @param session the Apex model editing session
-     * @return an ApexAPIResult object. If successful then
-     *         {@link ApexApiResult#isOk()} will return true. Any messages/errors
-     *         can be retrieved using {@link ApexApiResult#getMessages()}
+     * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
+     *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
     private ApexApiResult listModel(final RestSession session) {
         LOGGER.entry();
@@ -261,7 +252,7 @@ public class ModelHandler implements RestCommandHandler {
 
         result = addKeyInfo2Messages(session, result);
 
-        LOGGER.exit("Model/Get" + (result != null && result.isOk() ? OK : NOT_OK));
+        LOGGER.exit("Model/Get" + (result.isOk() ? OK : NOT_OK));
         return result;
     }
 
@@ -269,13 +260,27 @@ public class ModelHandler implements RestCommandHandler {
      * Download the model for this session as a String.
      *
      * @param session the Apex model editing session
-     * @return the model represented as a JSON string. See
-     *         {@linkplain AxPolicyModel}
+     * @return the model represented as a JSON string. See {@linkplain AxPolicyModel}
      */
     private ApexApiResult downloadModel(final RestSession session) {
         LOGGER.entry();
 
-        ApexApiResult result = session.getApexModel().listModel();
+        ApexApiResult result = session.downloadModel();
+
+        LOGGER.exit("Model/Download" + (result != null && result.isOk() ? OK : NOT_OK));
+        return result;
+    }
+
+    /**
+     * Upload the model for this session to the configured URL.
+     *
+     * @param session the Apex model editing session
+     * @return a result indicating if the upload was successful or not
+     */
+    private ApexApiResult uploadModel(final RestSession session) {
+        LOGGER.entry();
+
+        ApexApiResult result = session.uploadModel();
 
         LOGGER.exit("Model/Download" + (result != null && result.isOk() ? OK : NOT_OK));
         return result;
@@ -285,9 +290,8 @@ public class ModelHandler implements RestCommandHandler {
      * Delete the model for this session.
      *
      * @param session the Apex model editing session
-     * @return an ApexAPIResult object. If successful then
-     *         {@link ApexApiResult#isOk()} will return true. Any messages/errors
-     *         can be retrieved using {@link ApexApiResult#getMessages()}
+     * @return an ApexAPIResult object. If successful then {@link ApexApiResult#isOk()} will return true. Any
+     *         messages/errors can be retrieved using {@link ApexApiResult#getMessages()}
      */
     private ApexApiResult deleteModel(final RestSession session) {
         LOGGER.entry();
@@ -298,21 +302,18 @@ public class ModelHandler implements RestCommandHandler {
 
         session.finishSession(result.isOk());
 
-        LOGGER.exit("Model/Delete" + (result != null && result.isOk() ? OK : NOT_OK));
+        LOGGER.exit("Model/Delete" + (result.isOk() ? OK : NOT_OK));
         return result;
     }
 
     /**
-     * The json strings representing the objects listed, stored in
-     * result.messages[], does not contain the AxKeyInformation for that object.
-     * This utility method retrieves the AxKeyInfo for each object and adds it to
-     * the json for the object.
+     * The json strings representing the objects listed, stored in result.messages[], does not contain the
+     * AxKeyInformation for that object. This utility method retrieves the AxKeyInfo for each object and adds it to the
+     * json for the object.
      *
      * @param session        the Apex model editing session
-     * @param incomingResult The list result, containing JSON representations of
-     *                       objects stored in its "messages" array
-     * @return The list result, containing JSON augmented representations of objects
-     *         stored in its "messages" array
+     * @param incomingResult The list result, containing JSON representations of objects stored in its "messages" array
+     * @return The list result, containing JSON augmented representations of objects stored in its "messages" array
      */
     private ApexApiResult addKeyInfo2Messages(final RestSession session, final ApexApiResult incomingResult) {
         final ApexApiResult result = new ApexApiResult(incomingResult.getResult());
@@ -389,7 +390,7 @@ public class ModelHandler implements RestCommandHandler {
      *
      * @param jsonObject the object to query
      * @param fieldTag   the tag of the field to condition
-     * @param value the default value of the field to condition
+     * @param value      the default value of the field to condition
      * @return field read from the json
      */
     private String readFieldFromJsonObject(final JsonObject jsonObject, final String fieldTag, final String value) {
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/PolicyUploadHandler.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/PolicyUploadHandler.java
deleted file mode 100644
index 3540b2d..0000000
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/PolicyUploadHandler.java
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.gui.editors.apex.rest.handling;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
-import java.util.Base64;
-import java.util.Optional;
-import javax.ws.rs.core.Response;
-import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
-import org.onap.policy.apex.model.modelapi.ApexApiResult;
-import org.onap.policy.apex.model.modelapi.ApexApiResult.Result;
-import org.onap.policy.apex.model.modelapi.ApexModel;
-import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
-import org.onap.policy.gui.editors.apex.rest.UploadPluginConfigParameters;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ApexConfigProcessor;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ProcessedTemplate;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ToscaTemplateProcessor;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.exception.PolicyToscaConverterException;
-import org.onap.policy.gui.editors.apex.rest.handling.plugin.upload.UploadPluginClient;
-import org.onap.policy.gui.editors.apex.rest.handling.plugin.upload.UploadPolicyRequestDto;
-import org.slf4j.ext.XLogger;
-import org.slf4j.ext.XLoggerFactory;
-
-/**
- * Handles the Policy Model upload.
- */
-public class PolicyUploadHandler {
-
-    private static final XLogger LOGGER = XLoggerFactory.getXLogger(PolicyUploadHandler.class);
-    private final PolicyToscaConverter policyToscaConverter;
-    private final ToscaTemplateProcessor toscaTemplateProcessor;
-    private final ApexConfigProcessor apexConfigProcessor;
-    private final UploadPluginClient uploadPluginClient;
-    private final UploadPluginConfigParameters uploadPluginConfigParameters;
-
-    /**
-     * Creates the upload handler with its necessary dependencies.
-     *
-     * @param uploadPluginClient the UploadPluginClient instance
-     * @param policyToscaConverter the PolicyToscaConverter instance
-     * @param toscaTemplateProcessor the ToscaTemplateProcessor instance
-     * @param apexConfigProcessor the ApexConfigProcessor instance
-     * @param uploadPluginConfigParameters the Config instance
-     */
-    public PolicyUploadHandler(final UploadPluginClient uploadPluginClient,
-                               final PolicyToscaConverter policyToscaConverter,
-                               final ToscaTemplateProcessor toscaTemplateProcessor,
-                               final ApexConfigProcessor apexConfigProcessor,
-                               final UploadPluginConfigParameters uploadPluginConfigParameters) {
-        this.uploadPluginClient = uploadPluginClient;
-        this.policyToscaConverter = policyToscaConverter;
-        this.toscaTemplateProcessor = toscaTemplateProcessor;
-        this.apexConfigProcessor = apexConfigProcessor;
-        this.uploadPluginConfigParameters = uploadPluginConfigParameters;
-    }
-
-    /**
-     * Handles the policy model upload converting it to TOSCA with given template files.
-     *
-     * @param apexModel the apex model that contains the policy model
-     * @param toscaTemplateInputStream the tosca template input stream
-     * @param apexConfigInputStream the apex config input stream
-     * @return the result of the upload process
-     */
-    public ApexApiResult doUpload(final ApexModel apexModel, final InputStream toscaTemplateInputStream,
-                                  final InputStream apexConfigInputStream, final String userId) {
-        final ProcessedTemplate processedToscaTemplate;
-        try {
-            processedToscaTemplate = toscaTemplateProcessor.process(toscaTemplateInputStream);
-        } catch (final IOException e) {
-            final ApexApiResult result = new ApexApiResult(Result.FAILED);
-            result.addThrowable(e);
-            final String errorMsg = "Could not process the tosca template file";
-            result.addMessage(errorMsg);
-            LOGGER.error(errorMsg, e);
-            return result;
-        }
-        if (!processedToscaTemplate.isValid()) {
-            return buildResponse(processedToscaTemplate);
-        }
-
-        final ProcessedTemplate processedApexConfig;
-        try {
-            processedApexConfig = apexConfigProcessor.process(apexConfigInputStream);
-        } catch (final IOException e) {
-            final ApexApiResult result = new ApexApiResult(Result.FAILED);
-            result.addThrowable(e);
-            final String errorMsg = "Could not process the apex config file";
-            result.addMessage(errorMsg);
-            LOGGER.error(errorMsg, e);
-            return result;
-        }
-        if (!processedApexConfig.isValid()) {
-            return buildResponse(processedApexConfig);
-        }
-        return doUpload(apexModel, processedToscaTemplate.getContent(), processedApexConfig.getContent(), userId);
-    }
-
-    private ApexApiResult doUpload(final ApexModel apexModel, final String toscaTemplate, final String apexConfig,
-                                   final String userId) {
-        LOGGER.entry();
-        if (!isUploadPluginEnabled()) {
-            final ApexApiResult apexApiResult = new ApexApiResult(Result.FAILED);
-            apexApiResult.addMessage("Upload feature is disabled");
-            return apexApiResult;
-        }
-        final AxPolicyModel policyModel = apexModel.getPolicyModel();
-        final ApexApiResult result = apexModel.listModel();
-        final UploadPolicyRequestDto uploadPolicyRequestDto = new UploadPolicyRequestDto();
-        final AxArtifactKey policyKey = policyModel.getKeyInformation().getKey();
-        final java.util.UUID uuid = policyModel.getKeyInformation().get(policyKey).getUuid();
-        uploadPolicyRequestDto.setUserId(userId);
-        uploadPolicyRequestDto
-            .setFilename(String.format("%s.%s.%s", uuid, policyKey.getName(), policyKey.getVersion()));
-        final String apexPolicy = convert(result.getMessage(), toscaTemplate, apexConfig).orElse(null);
-        if (apexPolicy == null) {
-            final ApexApiResult apexApiResult = new ApexApiResult(Result.FAILED);
-            apexApiResult.addMessage(
-                String.format("An error has occurred while uploading the converting the Policy '%s' to YAML.",
-                    policyModel.getId()));
-            LOGGER.exit("Model/Upload: NOT OK");
-            return apexApiResult;
-        }
-        uploadPolicyRequestDto.setFileData(
-            Base64.getEncoder().encodeToString(apexPolicy.getBytes(StandardCharsets.UTF_8)));
-        final Response response = uploadPluginClient.upload(uploadPolicyRequestDto);
-        if (response.getStatus() == 201) {
-            final ApexApiResult apexApiResult = new ApexApiResult(Result.SUCCESS);
-            apexApiResult.addMessage(String.format("Policy '%s' uploaded successfully", policyModel.getId()));
-            LOGGER.exit("Model/Upload: OK");
-            return apexApiResult;
-        } else {
-            final ApexApiResult apexApiResult = new ApexApiResult(Result.FAILED);
-            apexApiResult.addMessage(
-                String.format("An error has occurred while uploading the Policy '%s'. Status was %s",
-                    policyModel.getId(), response.getStatus()));
-            LOGGER.exit("Model/Upload: NOT OK");
-            return apexApiResult;
-        }
-    }
-
-    private ApexApiResult buildResponse(final ProcessedTemplate processedTemplate) {
-        final ApexApiResult result = new ApexApiResult(Result.SUCCESS);
-        if (!processedTemplate.isValid()) {
-            result.setResult(Result.OTHER_ERROR);
-            processedTemplate.getErrorSet().forEach(result::addMessage);
-        }
-        return result;
-    }
-
-    private boolean isUploadPluginEnabled() {
-        return uploadPluginConfigParameters.isEnabled();
-    }
-
-    private Optional<String> convert(final String apexPolicy, final String toscaTemplate, final String apexConfig) {
-        try {
-            return policyToscaConverter.convert(apexPolicy, apexConfig, toscaTemplate);
-        } catch (final PolicyToscaConverterException e) {
-            LOGGER.error("Could not convert policy to TOSCA", e);
-        }
-
-        return Optional.empty();
-    }
-}
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/RestCommand.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/RestCommand.java
index 0b6a012..88524f4 100644
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/RestCommand.java
+++ b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/RestCommand.java
@@ -61,5 +61,9 @@ public enum RestCommand {
     /**
      * Download the currently loaded apex model.
      */
-    DOWNLOAD
+    DOWNLOAD,
+    /**
+     * Upload the currently loaded apex model.
+     */
+    UPLOAD
 }
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/RestSession.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/RestSession.java
index 6e12648..c0c53cd 100644
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/RestSession.java
+++ b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/RestSession.java
@@ -21,32 +21,106 @@
 
 package org.onap.policy.gui.editors.apex.rest.handling;
 
+import java.util.Map;
+import org.onap.policy.apex.model.basicmodel.concepts.ApexRuntimeException;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
 import org.onap.policy.apex.model.modelapi.ApexApiResult;
 import org.onap.policy.apex.model.modelapi.ApexApiResult.Result;
 import org.onap.policy.apex.model.modelapi.ApexModel;
 import org.onap.policy.apex.model.modelapi.ApexModelFactory;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
+import org.onap.policy.common.utils.coder.StandardYamlCoder;
+import org.onap.policy.common.utils.resources.ResourceUtils;
+import org.onap.policy.gui.editors.apex.rest.handling.plugin.upload.PolicyUploadHandler;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
+import org.onap.policy.models.tosca.simple.concepts.JpaToscaServiceTemplate;
+import org.onap.policy.models.tosca.utils.ToscaUtils;
 
 /**
- * This class represents an ongoing editor session in the Apex editor and holds
- * the information for the session.
+ * This class represents an ongoing editor session in the Apex editor and holds the information for the session.
  *
  */
 public class RestSession {
+    // The default TOSCA wrapper for an APEX policy
+    private static final String APEX_TOSCA_POLICY_TEMPLATE = "templates/ApexToscaPolicyTemplate.yaml";
+
+    // Recurring string constants
+    private static final String ENGINE_SERVICE_PARAMETERS = "engineServiceParameters";
+    private static final String POLICY_TYPE_IMPL = "policy_type_impl";
+
     // The ID of the session
     private int sessionId;
 
+    // The TOSCA Service Template of the session
+    private ToscaServiceTemplate toscaServiceTemplate;
+
     // The Apex policy model of the session
     private ApexModel apexModel;
 
     // The Apex policy model being edited
     private ApexModel apexModelEdited;
 
+    /**
+     * Constructor, create the session.
+     *
+     * @param sessionId the session ID of the session
+     * @throws ApexRuntimeException when the APEX TOSCA template file cannot be loaded
+     */
     public RestSession(final int sessionId) {
         this.sessionId = sessionId;
+
+        try {
+            this.toscaServiceTemplate = new StandardYamlCoder()
+                .decode(ResourceUtils.getResourceAsString(APEX_TOSCA_POLICY_TEMPLATE), ToscaServiceTemplate.class);
+        } catch (CoderException e) {
+            throw new ApexRuntimeException("could not load default APEX TOSCA template " + APEX_TOSCA_POLICY_TEMPLATE,
+                e);
+        }
+
         this.apexModel = new ApexModelFactory().createApexModel(null, true);
     }
 
     /**
+     * Load the policy model from a TOSCA Service Template.
+     *
+     * @param toscaServiceTemplateString The TOSCA service template string
+     * @return the result of the lading operation
+     */
+    public ApexApiResult loadFromString(final String toscaServiceTemplateString) {
+        try {
+            if (toscaServiceTemplateString.startsWith("{")) {
+                toscaServiceTemplate = new StandardCoder().decode(toscaServiceTemplateString,
+                    ToscaServiceTemplate.class);
+            } else {
+                toscaServiceTemplate = new StandardYamlCoder().decode(toscaServiceTemplateString,
+                    ToscaServiceTemplate.class);
+            }
+        } catch (Exception e) {
+            return new ApexApiResult(Result.FAILED, "incoming model is not a TOSCA Service template", e);
+        }
+
+        if (!ToscaUtils.doPoliciesExist(new JpaToscaServiceTemplate(toscaServiceTemplate))) {
+            return new ApexApiResult(Result.FAILED, "no policies found on incoming TOSCA service template");
+        }
+
+        @SuppressWarnings("unchecked")
+        Map<String, Object> apexEngineServiceParameterMap = (Map<String, Object>) toscaServiceTemplate
+            .getToscaTopologyTemplate().getPoliciesAsMap().values().iterator().next().getProperties()
+            .get(ENGINE_SERVICE_PARAMETERS);
+
+        String apexModelString;
+        try {
+            apexModelString = new StandardCoder().encode(apexEngineServiceParameterMap.get(POLICY_TYPE_IMPL));
+        } catch (CoderException e) {
+            return new ApexApiResult(Result.FAILED, "APEX model not found TOSCA Service template", e);
+        }
+
+        return apexModelEdited.loadFromString(apexModelString);
+    }
+
+    /**
      * Commence making changes to the Apex model.
      *
      * @return the result of the edit commencement operation
@@ -90,9 +164,63 @@ public class RestSession {
     }
 
     /**
+     * Download the apex model as a TOSCA service template YAML string.
+     *
+     * @return the apex model as a TOSCA service template YAML string
+     */
+    public ApexApiResult downloadModel() {
+        ApexModel apexModelToDownload = (apexModelEdited == null ? apexModel : apexModelEdited);
+
+        ToscaPolicy ap = toscaServiceTemplate.getToscaTopologyTemplate().getPoliciesAsMap().values().iterator().next();
+
+        @SuppressWarnings("unchecked")
+        Map<String, Object> apexEngineServiceParameterMap = (Map<String, Object>) ap.getProperties()
+            .get(ENGINE_SERVICE_PARAMETERS);
+
+        Object decoded = null;
+        try {
+            decoded = new StandardCoder().decode(apexModelToDownload.listModel().getMessage(), Object.class);
+        } catch (Exception e) {
+            return new ApexApiResult(Result.FAILED, "insertion of APEX model into TOSCA Service template failed", e);
+        }
+
+        apexEngineServiceParameterMap.put(POLICY_TYPE_IMPL, decoded);
+
+        ApexApiResult result = new ApexApiResult();
+        try {
+            result.addMessage(new StandardYamlCoder().encode(toscaServiceTemplate));
+        } catch (CoderException e) {
+            return new ApexApiResult(Result.FAILED, "encoding of TOSCA Service template into YAML failed", e);
+        }
+
+        return result;
+    }
+
+    /**
+     * Upload the apex model as a TOSCA service template YAML string to the configured URL.
+     *
+     * @return a result indicating if the upload was successful or not
+     */
+    public ApexApiResult uploadModel() {
+        // Get the model in TOSCA format
+        ApexApiResult result = downloadModel();
+        if (result.isNok()) {
+            return result;
+        }
+
+        ApexModel apexModelBeingUploaded = (apexModelEdited == null ? apexModel : apexModelEdited);
+
+        AxArtifactKey policyModelKey = apexModelBeingUploaded.getPolicyModel().getKey();
+
+        String policyModelUUid = apexModelBeingUploaded.getPolicyModel().getKeyInformation().get(policyModelKey)
+            .getUuid().toString();
+        return new PolicyUploadHandler().doUpload(result.getMessage(), policyModelKey, policyModelUUid);
+    }
+
+    /**
      * Finish a session by committing or discarding the changes.
      *
-     * @param commitFlag if ture, commit changes otherwise discard them
+     * @param commitFlag if true, commit changes otherwise discard them
      */
     public void finishSession(boolean commitFlag) {
         if (commitFlag) {
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/ApexConfigProcessor.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/ApexConfigProcessor.java
deleted file mode 100644
index e05b833..0000000
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/ApexConfigProcessor.java
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.gui.editors.apex.rest.handling.converter.tosca;
-
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ApexConfigProcessor.ErrorMessage.INVALID_APEX_CONFIG;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ApexConfigProcessor.ErrorMessage.INVALID_ENTRY;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ApexConfigProcessor.ErrorMessage.MISSING_ENTRY;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.ENGINE_SERVICE_PARAMETERS;
-
-import com.google.gson.JsonObject;
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
-import java.util.HashSet;
-import java.util.Set;
-import lombok.AllArgsConstructor;
-import org.apache.commons.io.IOUtils;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.common.utils.coder.StandardCoder;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Process the Apex Config JSON template file.
- */
-public class ApexConfigProcessor {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(ApexConfigProcessor.class);
-
-    private final StandardCoder standardCoder;
-
-    public ApexConfigProcessor(final StandardCoder standardCoder) {
-        this.standardCoder = standardCoder;
-    }
-
-    /**
-     * Process the Apex Config JSON template file.
-     *
-     * @param apexConfigInputStream the input stream for the Apex Config JSON template
-     * @return the result of the processing with the read JSON and its errors.
-     */
-    public ProcessedTemplate process(final InputStream apexConfigInputStream) throws IOException {
-        final ProcessedTemplate processedTemplate = new ProcessedTemplate();
-        final String templateAsString;
-        try (final InputStream inputStream = apexConfigInputStream) {
-            templateAsString = IOUtils.toString(inputStream, StandardCharsets.UTF_8);
-        }
-        final Set<String> errorSet = validate(templateAsString);
-        processedTemplate.setContent(templateAsString);
-        processedTemplate.addToErrors(errorSet);
-
-        return processedTemplate;
-    }
-
-    private Set<String> validate(final String apexConfig) {
-        final Set<String> errorSet = new HashSet<>();
-        final JsonObject apexConfigJson;
-        try {
-            apexConfigJson = standardCoder.decode(apexConfig, JsonObject.class);
-        } catch (final CoderException e) {
-            LOGGER.debug(INVALID_APEX_CONFIG.getMessage(), e);
-            errorSet.add(INVALID_APEX_CONFIG.getMessage());
-            return errorSet;
-        }
-
-        final JsonObject topologyTemplate;
-        try {
-            topologyTemplate = apexConfigJson.getAsJsonObject(ENGINE_SERVICE_PARAMETERS.getKey());
-        } catch (final Exception e) {
-            final String errorMsg = INVALID_ENTRY.getMessage(ENGINE_SERVICE_PARAMETERS.getKey());
-            LOGGER.debug(errorMsg, e);
-            errorSet.add(errorMsg);
-            return errorSet;
-        }
-
-        if (topologyTemplate == null) {
-            errorSet.add(MISSING_ENTRY.getMessage(ENGINE_SERVICE_PARAMETERS.getKey()));
-            return errorSet;
-        }
-
-        return errorSet;
-    }
-
-    /**
-     * Stores the possible error messages for the Apex Config template validation process.
-     */
-    @AllArgsConstructor
-    public enum ErrorMessage {
-        MISSING_ENTRY("Missing '%s' entry"),
-        INVALID_ENTRY("Invalid entry '%s' provided"),
-        INVALID_APEX_CONFIG("Invalid apex config provided");
-
-        private final String messageFormat;
-
-        public String getMessage(final String... params) {
-            return String.format(this.messageFormat, params);
-        }
-    }
-
-}
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/PolicyToscaConverter.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/PolicyToscaConverter.java
deleted file mode 100644
index 0bacb24..0000000
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/PolicyToscaConverter.java
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.gui.editors.apex.rest.handling.converter.tosca;
-
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.ENGINE_SERVICE_PARAMETERS;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.POLICIES;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.POLICY_TYPE_IMPL;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.PROPERTIES;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.TOPOLOGY_TEMPLATE;
-
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import java.util.Map.Entry;
-import java.util.Optional;
-import lombok.Getter;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.common.utils.coder.StandardCoder;
-import org.onap.policy.common.utils.coder.YamlJsonTranslator;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.exception.PolicyToscaConverterException;
-
-/**
- * Handles the conversion from policy JSON to policy YAML.
- */
-public class PolicyToscaConverter {
-
-    private final StandardCoder standardCoder;
-    private final YamlJsonTranslator yamlJsonTranslator;
-
-    /**
-     * Creates a policy tosca converter.
-     *
-     * @param standardCoder the encoder that will handle JSON conversions
-     * @param yamlJsonTranslator the translator that will handle YAML conversions
-     */
-    public PolicyToscaConverter(final StandardCoder standardCoder, final YamlJsonTranslator yamlJsonTranslator) {
-        this.standardCoder = standardCoder;
-        this.yamlJsonTranslator = yamlJsonTranslator;
-    }
-
-    /**
-     * Converts the policy model to TOSCA, by merging the 3 given JSON models.
-     *
-     * @param policyModelJsonString the policy model JSON
-     * @param apexConfigJsonString the apex config JSON
-     * @param toscaTemplateJsonString the base TOSCA template in JSON format
-     * @return the merged policy model in YAML format
-     * @throws PolicyToscaConverterException when a JSON string could not be parsed to JsonObject or the resulting JSON
-     *     could not be parsed to YAML.
-     */
-    public Optional<String> convert(final String policyModelJsonString, final String apexConfigJsonString,
-                                    final String toscaTemplateJsonString) throws PolicyToscaConverterException {
-        final JsonObject apexConfigJson = decodeToJson(apexConfigJsonString);
-        final JsonObject policyModelJson = decodeToJson(policyModelJsonString);
-        final JsonObject toscaTemplateJson = decodeToJson(toscaTemplateJsonString);
-
-        final JsonObject toscaPolicyProperties = readTopologyTemplateAsJsonObject(toscaTemplateJson);
-        final JsonObject toscaPolicy = readToscaPolicyAsJsonObject(toscaPolicyProperties);
-        final JsonObject toscaProperties = readPolicyPropertiesAsJsonObject(toscaPolicy);
-
-        for (final Entry<String, JsonElement> entry : apexConfigJson.entrySet()) {
-            if (ENGINE_SERVICE_PARAMETERS.getKey().equals(entry.getKey())) {
-                final JsonObject engineServiceParameters = readEngineServiceParametersAsJsonObject(entry.getValue());
-                engineServiceParameters.add(POLICY_TYPE_IMPL.getKey(), policyModelJson);
-            }
-            toscaProperties.add(entry.getKey(), entry.getValue());
-        }
-        return Optional.ofNullable(convertToYaml(toscaTemplateJson));
-    }
-
-    private JsonObject readTopologyTemplateAsJsonObject(final JsonObject toscaTemplateJson)
-        throws PolicyToscaConverterException {
-
-        try {
-            return toscaTemplateJson.get(TOPOLOGY_TEMPLATE.getKey()).getAsJsonObject();
-        } catch (final Exception e) {
-            throw new PolicyToscaConverterException(
-                String.format("Could not read the '%s' entry in the Tosca Template", TOPOLOGY_TEMPLATE.getKey()), e);
-        }
-    }
-
-    private JsonObject readEngineServiceParametersAsJsonObject(final JsonElement engineServiceParametersEntry)
-        throws PolicyToscaConverterException {
-
-        try {
-            return engineServiceParametersEntry.getAsJsonObject();
-        } catch (final Exception e) {
-            throw new PolicyToscaConverterException(
-                String.format("Could not read the '%s' in the Apex Config", ENGINE_SERVICE_PARAMETERS.getKey()), e);
-        }
-    }
-
-    private JsonObject readToscaPolicyAsJsonObject(final JsonObject toscaPolicyProperties)
-        throws PolicyToscaConverterException {
-
-        try {
-            return toscaPolicyProperties.get(POLICIES.getKey()).getAsJsonArray().get(0).getAsJsonObject();
-        } catch (final Exception e) {
-            throw new PolicyToscaConverterException(
-                String.format("Could not read the first policy in the '%s' entry under '%s'",
-                    POLICIES.getKey(), TOPOLOGY_TEMPLATE.getKey()), e);
-        }
-    }
-
-    private JsonObject readPolicyPropertiesAsJsonObject(final JsonObject toscaPolicy)
-        throws PolicyToscaConverterException {
-
-        try {
-            final String policyObjectKey = toscaPolicy.keySet().iterator().next();
-            final JsonObject policyEntry = toscaPolicy.get(policyObjectKey).getAsJsonObject();
-            return policyEntry.get(PROPERTIES.getKey()).getAsJsonObject();
-        } catch (final Exception e) {
-            throw new PolicyToscaConverterException(
-                String.format("Could not read the policy '%s' entry", PROPERTIES.getKey()), e);
-        }
-    }
-
-    private String convertToYaml(final JsonObject jsonObject) throws PolicyToscaConverterException {
-        try {
-            return yamlJsonTranslator.toYaml(jsonObject);
-        } catch (final Exception e) {
-            throw new PolicyToscaConverterException(
-                String.format("Could not convert JSON Object to YAML:%n%s", jsonObject.toString()), e);
-        }
-    }
-
-    private JsonObject decodeToJson(final String jsonString) throws PolicyToscaConverterException {
-        try {
-            return standardCoder.decode(jsonString, JsonObject.class);
-        } catch (final CoderException e) {
-            throw new PolicyToscaConverterException(
-                String.format("Could not convert JSON string to JSON:%n%s", jsonString), e);
-        }
-    }
-
-    @Getter
-    public enum ToscaKey {
-        TOPOLOGY_TEMPLATE("topology_template"),
-        TOSCA_DEFINITIONS_VERSION("tosca_definitions_version"),
-        PROPERTIES("properties"),
-        ENGINE_SERVICE_PARAMETERS("engineServiceParameters"),
-        POLICY_TYPE_IMPL("policy_type_impl"),
-        POLICIES("policies");
-
-        private final String key;
-
-        ToscaKey(final String key) {
-            this.key = key;
-        }
-    }
-
-}
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/ProcessedTemplate.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/ProcessedTemplate.java
deleted file mode 100644
index 1b4bb97..0000000
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/ProcessedTemplate.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.gui.editors.apex.rest.handling.converter.tosca;
-
-import java.util.HashSet;
-import java.util.Set;
-import lombok.Getter;
-import lombok.Setter;
-import org.apache.commons.collections4.CollectionUtils;
-
-@Getter
-@Setter
-public class ProcessedTemplate {
-
-    private String content;
-    private final Set<String> errorSet;
-
-    public ProcessedTemplate() {
-        errorSet = new HashSet<>();
-    }
-
-    /**
-     * Adds the given error messages to the errors collection.
-     *
-     * @param errorSet a set of error messages
-     */
-    public void addToErrors(final Set<String> errorSet) {
-        if (CollectionUtils.isEmpty(errorSet)) {
-            return;
-        }
-
-        this.errorSet.addAll(errorSet);
-    }
-
-    /**
-     * Checks if the processed template is valid.
-     *
-     * @return {@code true} if the content is valid, {@code false} otherwise
-     */
-    public boolean isValid() {
-        return CollectionUtils.isEmpty(errorSet);
-    }
-}
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/ToscaTemplateProcessor.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/ToscaTemplateProcessor.java
deleted file mode 100644
index 5539617..0000000
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/ToscaTemplateProcessor.java
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.gui.editors.apex.rest.handling.converter.tosca;
-
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.POLICIES;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.PROPERTIES;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.TOPOLOGY_TEMPLATE;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey.TOSCA_DEFINITIONS_VERSION;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ToscaTemplateProcessor.ErrorMessage.INVALID_ENTRY;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ToscaTemplateProcessor.ErrorMessage.INVALID_POLICY;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ToscaTemplateProcessor.ErrorMessage.INVALID_TOSCA_TEMPLATE;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ToscaTemplateProcessor.ErrorMessage.MISSING_ENTRY;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ToscaTemplateProcessor.ErrorMessage.MISSING_POLICY;
-import static org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.ToscaTemplateProcessor.ErrorMessage.ONLY_ONE_POLICY_ALLOWED;
-
-import com.google.gson.JsonArray;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonPrimitive;
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
-import java.util.HashSet;
-import java.util.Optional;
-import java.util.Set;
-import java.util.function.Function;
-import lombok.AllArgsConstructor;
-import org.apache.commons.io.IOUtils;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.common.utils.coder.StandardCoder;
-import org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.PolicyToscaConverter.ToscaKey;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Process the TOSCA JSON template file, base for the Policy Model TOSCA conversion.
- */
-public class ToscaTemplateProcessor {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(ToscaTemplateProcessor.class);
-
-    private final StandardCoder jsonCoder;
-
-    public ToscaTemplateProcessor(final StandardCoder jsonCoder) {
-        this.jsonCoder = jsonCoder;
-    }
-
-    /**
-     * Process the TOSCA JSON template file.
-     *
-     * @param toscaTemplateInputStream the input stream for the TOSCA JSON template file
-     * @return the result of the processing with the read JSON and its errors.
-     */
-    public ProcessedTemplate process(final InputStream toscaTemplateInputStream) throws IOException {
-        final ProcessedTemplate processedTemplate = new ProcessedTemplate();
-
-        final String templateAsString;
-        try (final InputStream inputStream = toscaTemplateInputStream) {
-            templateAsString = IOUtils.toString(inputStream, StandardCharsets.UTF_8);
-        }
-
-        final Set<String> errorSet = validate(templateAsString);
-        processedTemplate.setContent(templateAsString);
-        processedTemplate.addToErrors(errorSet);
-
-        return processedTemplate;
-    }
-
-    private Set<String> validate(final String toscaTemplate) {
-        final Set<String> errorSet = new HashSet<>();
-        final JsonObject toscaTemplateJson;
-        try {
-            toscaTemplateJson = jsonCoder.decode(toscaTemplate, JsonObject.class);
-        } catch (final CoderException e) {
-            LOGGER.debug(INVALID_TOSCA_TEMPLATE.getMessage(), e);
-            errorSet.add(INVALID_TOSCA_TEMPLATE.getMessage());
-            return errorSet;
-        }
-
-        final Optional<JsonPrimitive> toscaDefinitionVersionOpt =
-            readJsonEntry(TOSCA_DEFINITIONS_VERSION, toscaTemplateJson::getAsJsonPrimitive, errorSet);
-        if (toscaDefinitionVersionOpt.isEmpty()) {
-            return errorSet;
-        }
-
-        final Optional<JsonObject> topologyTemplate =
-            readJsonEntry(TOPOLOGY_TEMPLATE, toscaTemplateJson::getAsJsonObject, errorSet);
-        if (topologyTemplate.isEmpty()) {
-            return errorSet;
-        }
-
-        final Optional<JsonArray> policiesOpt =
-            readJsonEntry(POLICIES, topologyTemplate.get()::getAsJsonArray, errorSet);
-        if (policiesOpt.isEmpty()) {
-            return errorSet;
-        }
-        final JsonArray policies = policiesOpt.get();
-
-        if (policies.size() == 0) {
-            errorSet.add(MISSING_POLICY.getMessage());
-            return errorSet;
-        }
-
-        if (policies.size() > 1) {
-            errorSet.add(ONLY_ONE_POLICY_ALLOWED.getMessage());
-            return errorSet;
-        }
-
-        final JsonObject firstPolicy;
-        try {
-            final JsonObject firstPolicyObj = policies.get(0).getAsJsonObject();
-            firstPolicy = firstPolicyObj.entrySet().iterator().next().getValue().getAsJsonObject();
-        } catch (final Exception e) {
-            final String errorMsg = INVALID_POLICY.getMessage();
-            LOGGER.debug(errorMsg, e);
-            errorSet.add(errorMsg);
-            return errorSet;
-        }
-
-        readJsonEntry(PROPERTIES, firstPolicy::getAsJsonObject, errorSet);
-
-        return errorSet;
-    }
-
-    private <T> Optional<T> readJsonEntry(final ToscaKey toscaKey,
-                                          final Function<String, T> jsonFunction, final Set<String> errorSet) {
-        try {
-            final T json = jsonFunction.apply(toscaKey.getKey());
-            if (json == null) {
-                errorSet.add(MISSING_ENTRY.getMessage(toscaKey.getKey()));
-            }
-            return Optional.ofNullable(json);
-        } catch (final Exception e) {
-            final String errorMsg = INVALID_ENTRY.getMessage(toscaKey.getKey());
-            LOGGER.debug(errorMsg, e);
-            errorSet.add(errorMsg);
-            return Optional.empty();
-        }
-
-    }
-
-    /**
-     * Stores the possible error messages for the Tosca template validation process.
-     */
-    @AllArgsConstructor
-    public enum ErrorMessage {
-        MISSING_ENTRY("Missing '%s' entry"),
-        MISSING_POLICY("No policy was provided in the 'policies' list"),
-        INVALID_POLICY("Invalid policy was provided in the 'policies' list"),
-        ONLY_ONE_POLICY_ALLOWED("Only one policy entry is allowed in the 'policies' list"),
-        INVALID_TOSCA_TEMPLATE("Invalid tosca template provided"),
-        INVALID_ENTRY("Invalid entry '%s' provided"),
-        MISSING_PROPERTIES_ENTRY("Missing properties entry in '%s'");
-
-        private final String messageFormat;
-
-        public String getMessage(final String... params) {
-            return String.format(this.messageFormat, params);
-        }
-    }
-
-
-}
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/exception/PolicyToscaConverterException.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/exception/PolicyToscaConverterException.java
deleted file mode 100644
index 6b4eff1..0000000
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/converter/tosca/exception/PolicyToscaConverterException.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.gui.editors.apex.rest.handling.converter.tosca.exception;
-
-public class PolicyToscaConverterException extends Exception {
-    private static final long serialVersionUID = -7263407816909492236L;
-
-    public PolicyToscaConverterException(final String message, final Throwable cause) {
-        super(message, cause);
-    }
-}
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/plugin/upload/PolicyUploadHandler.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/plugin/upload/PolicyUploadHandler.java
new file mode 100644
index 0000000..5e3cf56
--- /dev/null
+++ b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/plugin/upload/PolicyUploadHandler.java
@@ -0,0 +1,103 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Nordix Foundation
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.gui.editors.apex.rest.handling.plugin.upload;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import org.apache.commons.lang3.StringUtils;
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.modelapi.ApexApiResult;
+import org.onap.policy.apex.model.modelapi.ApexApiResult.Result;
+import org.onap.policy.gui.editors.apex.rest.ApexEditorMain;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * Handles the Policy Model upload.
+ */
+public class PolicyUploadHandler {
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(PolicyUploadHandler.class);
+
+    // Recurring string constants
+    private static final String MODEL_UPLOAD_NOT_OK = "Model/Upload: NOT OK";
+
+    /**
+     * Handles the policy model upload converting it to TOSCA with given template files.
+     *
+     * @param toscaServiceTemplate the TOSCA service template
+     * @param policyModelKey       the key of the policy model
+     * @param policyModelUuid      the UUID of the policy model
+     * @return the result of the upload process
+     */
+    public ApexApiResult doUpload(final String toscaServiceTemplate, final AxArtifactKey policyModelKey,
+        final String policyModelUuid) {
+        LOGGER.entry();
+
+        if (StringUtils.isBlank(ApexEditorMain.getParameters().getUploadUrl())) {
+            final ApexApiResult apexApiResult = new ApexApiResult(Result.FAILED);
+            apexApiResult.addMessage("Model download is disabled, parameter upload-url is not set on server");
+            LOGGER.exit(MODEL_UPLOAD_NOT_OK);
+            return apexApiResult;
+
+        }
+
+        final UploadPolicyRequestDto uploadPolicyRequestDto = new UploadPolicyRequestDto();
+        uploadPolicyRequestDto.setUserId(ApexEditorMain.getParameters().getUploadUserid());
+        uploadPolicyRequestDto
+            .setFileData(Base64.getEncoder().encodeToString(toscaServiceTemplate.getBytes(StandardCharsets.UTF_8)));
+        uploadPolicyRequestDto.setFilename(
+            String.format("%s.%s.%s", policyModelUuid, policyModelKey.getName(), policyModelKey.getVersion()));
+
+        try {
+            final Response response = ClientBuilder.newClient().target(ApexEditorMain.getParameters().getUploadUrl())
+                .request(MediaType.APPLICATION_JSON)
+                .post(Entity.entity(uploadPolicyRequestDto, MediaType.APPLICATION_JSON));
+
+            if (response.getStatus() == 201) {
+                final ApexApiResult apexApiResult = new ApexApiResult(Result.SUCCESS);
+                String.format("uploading Policy '%s' to URL '%s' with userId '%s' was successful",
+                    policyModelKey.getId(), ApexEditorMain.getParameters().getUploadUrl(),
+                    ApexEditorMain.getParameters().getUploadUserid());
+                LOGGER.exit("Model/Upload: OK");
+                return apexApiResult;
+            } else {
+                final ApexApiResult apexApiResult = new ApexApiResult(Result.FAILED);
+                apexApiResult.addMessage(
+                    String.format("uploading Policy '%s' to URL '%s' with userId '%s' failed with status %s",
+                        policyModelKey.getId(), ApexEditorMain.getParameters().getUploadUrl(),
+                        ApexEditorMain.getParameters().getUploadUserid(), response.getStatus()));
+                LOGGER.exit(MODEL_UPLOAD_NOT_OK);
+                return apexApiResult;
+            }
+        } catch (Exception e) {
+            final ApexApiResult apexApiResult = new ApexApiResult(Result.FAILED);
+            apexApiResult
+                .addMessage(String.format("uploading Policy '%s' to URL '%s' with userId '%s' failed with error %s",
+                    policyModelKey.getId(), ApexEditorMain.getParameters().getUploadUrl(),
+                    ApexEditorMain.getParameters().getUploadUserid(), e.getMessage()));
+            LOGGER.exit(MODEL_UPLOAD_NOT_OK);
+            return apexApiResult;
+        }
+    }
+}
diff --git a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/plugin/upload/UploadPluginClient.java b/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/plugin/upload/UploadPluginClient.java
deleted file mode 100644
index d0c97c9..0000000
--- a/gui-editors/gui-editor-apex/src/main/java/org/onap/policy/gui/editors/apex/rest/handling/plugin/upload/UploadPluginClient.java
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.gui.editors.apex.rest.handling.plugin.upload;
-
-import javax.ws.rs.client.Client;
-import javax.ws.rs.client.ClientBuilder;
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import org.onap.policy.common.parameters.ParameterService;
-import org.onap.policy.gui.editors.apex.rest.UploadPluginConfigParameters;
-
-/**
- * Client for the Policy Model upload endpoint.
- */
-public class UploadPluginClient {
-
-    private final Client client;
-    private final UploadPluginConfigParameters uploadConfigParam;
-
-    /**
-     * Create a upload plugin client.
-     */
-    public UploadPluginClient() {
-        this(ClientBuilder.newClient(), ParameterService.get(UploadPluginConfigParameters.GROUP_NAME));
-    }
-
-    /**
-     * Create a upload plugin client.
-     * @param client the http client
-     * @param uploadConfigParam the upload configuration parameters
-     */
-    UploadPluginClient(final Client client,
-                       final UploadPluginConfigParameters uploadConfigParam) {
-        this.client = client;
-        this.uploadConfigParam = uploadConfigParam;
-    }
-
-    /**
-     * Uploads the policy to the configured endpoint.
-     *
-     * @param uploadPolicyRequestDto the policy DTO to upload
-     * @return the request response
-     */
-    public Response upload(final UploadPolicyRequestDto uploadPolicyRequestDto) {
-        return client
-            .target(uploadConfigParam.getUrl())
-            .request(MediaType.APPLICATION_JSON)
-            .post(Entity.entity(uploadPolicyRequestDto, MediaType.APPLICATION_JSON));
-    }
-
-}
diff --git a/gui-editors/gui-editor-apex/src/main/resources/templates/ApexToscaPolicyTemplate.yaml b/gui-editors/gui-editor-apex/src/main/resources/templates/ApexToscaPolicyTemplate.yaml
new file mode 100644
index 0000000..bcaf601
--- /dev/null
+++ b/gui-editors/gui-editor-apex/src/main/resources/templates/ApexToscaPolicyTemplate.yaml
@@ -0,0 +1,17 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+topology_template:
+  policies:
+  - onap.policies.native.apex.Template:
+      type: onap.policies.native.Apex
+      type_version: 1.0.0
+      properties:
+        engineServiceParameters:
+          name: TemplateApexEngine
+          version: 0.0.1
+          id: 1
+          instanceCount: 1
+          deploymentPort: 12561
+          engineParameters:
+            executorParameters:
+            contextParameters:
+          policy_type_impl:
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/css/upload/dialog.css b/gui-editors/gui-editor-apex/src/main/resources/webapp/css/upload/dialog.css
deleted file mode 100644
index 95f29b1..0000000
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/css/upload/dialog.css
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-.upload-dialog {
-    font-size: 16px;
-    line-height: 19px;
-}
-
-.upload-dialog .ui-button {
-    position: relative;
-    display: inline-block;
-    vertical-align: middle;
-    color: #333333;
-    background-color: #ffffff;
-    border: none;
-    min-width: 60px;
-    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.2);
-    border-radius: 3px;
-    -moz-box-sizing: border-box;
-    box-sizing: border-box;
-    background-image: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.1) 100%);
-    padding: 0 8px;
-    height: 2.4rem;
-    font-size: 1.2rem;
-    white-space: nowrap;
-    text-decoration: none;
-    text-align: center;
-    cursor: pointer;
-}
-
-.upload-dialog #upload-form {
-    width: 100%;
-    font-size: 16px;
-    line-height: 19px;
-}
-
-.upload-dialog #upload-form input {
-    width: 100%;
-}
\ No newline at end of file
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/dist/bundle.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/dist/bundle.js
deleted file mode 100644
index 46c8469..0000000
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/dist/bundle.js
+++ /dev/null
@@ -1 +0,0 @@
-!function(e){var t={};function a(o){if(t[o])return t[o].exports;var n=t[o]={i:o,l:!1,exports:{}};return e[o].call(n.exports,n,n.exports,a),n.l=!0,n.exports}a.m=e,a.c=t,a.d=function(e,t,o){a.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:o})},a.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},a.t=function(e,t){if(1&t&&(e=a(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var o=Object.create(null);if(a.r(o),Object.defineProperty(o,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var n in e)a.d(o,n,function(t){return e[t]}.bind(null,n));return o},a.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return a.d(t,"a",t),t},a.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},a.p="",a(a.s=0)}([function(e,t){var a=null;function o(){localStorage.removeItem("apex_session"),localStorage.removeItem("apex_model_loaded"),localStorage.removeItem("apex_tab_index")}$("#menu").fileMenu({slideSpeed:200}),$(document).ready((function(){pageControl_noModelMode(),function(){var e=location.protocol+"//"+window.location.hostname+(location.port?":"+location.port:"")+(location.pathname.endsWith("/editor/")?location.pathname.substring(0,location.pathname.indexOf("editor/")):location.pathname);if(localStorage.getItem("apex_session")){a=e+"apexservices/editor/"+localStorage.getItem("apex_session"),ajax_get(a+"/Model/GetKey",(function(e){if($("#statusMessageTable").append("<tr><td> REST root URL set to: "+a+"</td></tr>"),localStorage.getItem("apex_model_loaded")){var t=JSON.parse(e.messages.message[0]).apexArtifactKey;pageControl_modelMode(t.name,t.version,null),localStorage.getItem("apex_tab_index")&&$("#mainTabs").tabs({active:localStorage.getItem("apex_tab_index")})}}))}else{ajax_get(e+"apexservices/editor/-1/Session/Create",(function(t){localStorage.setItem("apex_session",t.messages.message[0]),a=e+"apexservices/editor/"+localStorage.getItem("apex_session"),$("#statusMessageTable").append("<tr><td> REST root URL set to: "+a+"</td></tr>")}))}}()})),$("#menu li").not(".emptyMessage").click((function(){switch(this.id){case"menuFileNew":newModelForm_activate(document.getElementById("mainArea"));break;case"menuFileOpen":files_fileOpen();break;case"menuFileDownload":files_fileDownload();break;case"menuFileUpload":uploadPlugin.openDialog();break;case"menuFileClear":if(confirm("Clear the current model?"))ajax_delete(a+"/Model/Delete",(function(e){localStorage.removeItem("apex_model_loaded"),localStorage.removeItem("apex_tab_index"),$("#mainTabs").tabs("option","active",0),pageControl_noModelMode()}));break;case"menuFileNewSession":o(),location.reload();break;case"menuFileClose":confirm("Close Apex Editor?")&&(o(),window.location.href=window.location.href+"close.html");break;case"menuModelAnalyse":modelHandling_analyse();break;case"menuModelValidate":modelHandling_validate();break;case"menuConceptsContextSchemas":$("#mainTabs").tabs("option","active",0);break;case"menuConceptsEvents":$("#mainTabs").tabs("option","active",1);break;case"menuConceptsContextAlbums":$("#mainTabs").tabs("option","active",2);break;case"menuConceptsTasks":$("#mainTabs").tabs("option","active",3);break;case"menuConceptsPolicies":$("#mainTabs").tabs("option","active",4);break;case"menuConceptsKeyInformation":$("#mainTabs").tabs("option","active",5)}}));var n=$(".ebInlineMessage").height();$(".ebInlineMessage").mouseenter((function(e){e.stopPropagation(),$(this).stop();var t=$(this).children(".ebInlineMessage-contentHolder").height();t>n&&$(".ebInlineMessage").animate({height:t+12},200)})),$(".ebInlineMessage").mouseleave((function(e){e.stopPropagation(),$(this).stop(),$(".ebInlineMessage").animate({height:n},200)})),$(document).ready((function(){$(".content").fadeIn()})),t.restRootURL={restRootURL:a}}]);
\ No newline at end of file
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/index.html b/gui-editors/gui-editor-apex/src/main/resources/webapp/index.html
index 7aa3508..d131d22 100644
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/index.html
+++ b/gui-editors/gui-editor-apex/src/main/resources/webapp/index.html
@@ -43,8 +43,6 @@
 <!-- interface style -->
 <link rel="stylesheet" type="text/css" href="css/interfaceAssets.css">
 
-<link rel="stylesheet" type="text/css" href="css/upload/dialog.css" />
-
 <!-- JQuery style -->
 <link rel="stylesheet" href="js/jquery-ui-1.12.1/jquery-ui.css">
 
@@ -216,9 +214,9 @@
     <!--  edit area JS file -->
     <script language="javascript" type="text/javascript"
         src="js/edit_area/edit_area_full.js"></script>
-    <!-- simple jquery pub/sub library -->
-    <script type="text/javascript" src="js/lib/pubsub/ba-tiny-pubsub.min.js"></script>
     <!-- Apex JS files -->
+    <script type="text/javascript" src="js/ApexFiles.js"></script>
+    <script type="text/javascript" src="js/ApexAjax.js"></script>
     <script type="text/javascript" src="js/ApexTable.js"></script>
     <script type="text/javascript" src="js/ApexContextSchemaTab.js"></script>
     <script type="text/javascript" src="js/ApexContextSchemaEditForm.js"></script>
@@ -232,17 +230,12 @@
     <script type="text/javascript" src="js/ApexPolicyEditForm_State.js"></script>
     <script type="text/javascript" src="js/ApexPolicyEditForm.js"></script>
     <script type="text/javascript" src="js/ApexKeyInformationTab.js"></script>
-    <script type="text/javascript" src="js/ApexAjax.js"></script>
     <script type="text/javascript" src="js/ApexPageControl.js"></script>
-    <script type="text/javascript" src="js/ApexFiles.js"></script>
     <script type="text/javascript" src="js/ApexFormUtils.js"></script>
     <script type="text/javascript" src="js/ApexNewModelForm.js"></script>
     <script type="text/javascript" src="js/ApexResultForm.js"></script>
     <script type="text/javascript" src="js/ApexModelHandling.js"></script>
-    <script type="text/javascript" src="js/ApexConfig.js"></script>
-    <script type="text/javascript" src="js/ApexUpload.js"></script>
     <script type="text/javascript" src="js/ApexMain.js"></script>
-    <script type="text/javascript" src="js/ApexUser.js"></script>
 
 </body>
 </html>
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexConfig.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexConfig.js
deleted file mode 100644
index 9a842c2..0000000
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexConfig.js
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-const configObj = {
-  configMap: {},
-  getConfig: function (configKey) {
-    return this.configMap[configKey];
-  },
-  setConfig: function (configKey, configValue) {
-    return this.configMap[configKey] = configValue;
-  },
-  readySignal: function () {
-    $.publish("/config/ready");
-  }
-}
-
-$(document).ready(function () {
-  load();
-});
-
-const load = function(){
-  $("#menuFileUpload").hide();
-
-  const rootUrl = location.protocol
-      + "//"
-      + window.location.hostname
-      + (location.port ? ':' + location.port : '');
-
-  const configUrl = rootUrl + "/apexservices/editor/config";
-
-  function loadConfiguration() {
-    ajax_get(configUrl, function (data) {
-      for (let i = 0; i < data.messages.message.length; i++) {
-        const configEntry = JSON.parse(data.messages.message[i]);
-        Object.keys(configEntry).forEach(key => {
-          configObj.setConfig(key, configEntry[key]);
-        });
-      }
-      configObj.readySignal();
-    });
-  }
-  loadConfiguration();
-}
-
-module.exports = { configObj, load };
-module.exports.rootUrl = load.rootUrl;
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexContextSchemaEditForm.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexContextSchemaEditForm.js
index dac2e50..7eecb72 100644
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexContextSchemaEditForm.js
+++ b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexContextSchemaEditForm.js
@@ -19,11 +19,6 @@
  * ============LICENSE_END=========================================================
  */
 
-const {ajax_put} = require("../../../../../target/classes/webapp/js/ApexAjax");
-const {ajax_post} = require("../../../../../target/classes/webapp/js/ApexAjax");
-const {ajax_delete} = require("../../../../../target/classes/webapp/js/ApexAjax");
-const {ajax_getWithKeyInfo} = require("../../../../../target/classes/webapp/js/ApexAjax");
-
 function editContextSchemaForm_createContextSchema(formParent) {
     return editContextSchemaForm_activate(formParent, "CREATE", null);
 }
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexFiles.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexFiles.js
index 9171fd3..a8726e7 100644
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexFiles.js
+++ b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexFiles.js
@@ -19,9 +19,6 @@
  * ============LICENSE_END=========================================================
  */
 
-const {ajax_get} = require("../../../../../target/classes/webapp/js/ApexAjax");
-const {ajax_put} = require("../../../../../target/classes/webapp/js/ApexAjax");
-
 function files_fileOpen() {
     $('<input type="file">').on('change', function() {
         var reader = new FileReader();
@@ -53,4 +50,16 @@ function files_fileDownload() {
     document.body.removeChild(downloadLink);
 }
 
-module.exports = {files_fileDownload, files_fileOpen};
+function files_fileUpload() {
+    var requestURL = restRootURL + "/Model/Upload";
+
+    ajax_getOKOrFail(requestURL, function(data) {
+        var uploadResultString = "";
+        for (var i = 0; i < data.messages.message.length; i++) {
+            uploadResultString += (data.messages.message[i] + "\n");
+        }
+        resultForm_activate(document.getElementById("mainArea"), "Model Upload Result", uploadResultString);
+    });
+}
+
+module.exports = {files_fileUpload, files_fileDownload, files_fileOpen};
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexMain.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexMain.js
index 46d8398..9dea9b5 100644
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexMain.js
+++ b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexMain.js
@@ -44,7 +44,7 @@ $("#menu li").not(".emptyMessage").click(function() {
         files_fileDownload();
         break;
     case "menuFileUpload":
-        uploadPlugin.openDialog();
+        files_fileUpload();
         break;
 
     case "menuFileClear":
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexUpload.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexUpload.js
deleted file mode 100644
index a71853c..0000000
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexUpload.js
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-$(document).ready(function () {
-  $.subscribe("/config/ready", enableUpload);
-
-  function enableUpload() {
-    const menuFileUpload = $('#menuFileUpload');
-    const isUploadEnabled = configObj.getConfig("plugin.policy.upload.enable");
-    if (isUploadEnabled === "true" || isUploadEnabled === true) {
-      menuFileUpload.show();
-    } else {
-      menuFileUpload.hide();
-    }
-  }
-
-});
-
-const uploadPlugin = {
-  dialogDiv: $('#main-dialog'),
-  openDialog: function () {
-    this.dialogDiv.load('../upload/dialog.html');
-  },
-
-  upload: function (data, successCallback, errorCallback) {
-    const requestURL = restRootURL + "/Model/Upload";
-    $.ajax({
-      type: 'POST',
-      url: requestURL,
-      data: data,
-      contentType: false,
-      processData: false
-    }).done(function (data) {
-      pageControl_successStatus(data);
-      if (typeof successCallback === typeof Function) {
-        successCallback(data);
-      }
-    }).fail(function (jqXHR, textStatus, errorThrown) {
-      pageControl_restError(requestURL, jqXHR, textStatus, errorThrown);
-      if (typeof errorCallback === typeof Function) {
-        errorCallback(jqXHR, textStatus, errorThrown);
-      }
-    });
-  }
-}
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexUser.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexUser.js
deleted file mode 100644
index e30f5dd..0000000
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/ApexUser.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2020 Nordix Foundation.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-const userManager = {
-  userId: null
-};
-
-(function () {
-  //grabbing the userId
-  const urlParams = new URLSearchParams(window.location.search);
-  userManager.userId = urlParams.get('userId');
-})();
-
-exports = {userManager};
\ No newline at end of file
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/__test__/ApexConfig.test.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/__test__/ApexConfig.test.js
deleted file mode 100644
index 02d8406..0000000
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/__test__/ApexConfig.test.js
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-const apexConfig = require('../ApexConfig');
-
-test('configObj called successfully', () => {
-    expect(apexConfig.configObj.getConfig()).not.toBeNull();
-    expect(apexConfig.configObj.setConfig()).not.toBeNull();
-    expect(apexConfig.configObj).toHaveProperty('configMap');
-});
-
-test('load called successfully', () => {
-    expect(apexConfig.rootUrl).not.toBe(null);
-    const mock = jest.fn(apexConfig.load).mockImplementation(() => {
-         function test (data) {
-             for (let i = 0; i < data.messages.message.length; i++) {
-                const configEntry = JSON.parse(data.messages.message[i]);
-                Object.keys(configEntry).forEach(key => {
-                    configObj.setConfig(key, configEntry[key]);
-                });
-            }
-            configObj.readySignal();
-         };
-    });
-    mock();
-    expect(mock).toHaveBeenCalledTimes(1);
-});
\ No newline at end of file
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/__test__/ApexUser.test.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/__test__/ApexUser.test.js
deleted file mode 100644
index 1d445c4..0000000
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/__test__/ApexUser.test.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2020 Nordix Foundation
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-const user = require('../ApexUser');
-
-test('userManager test', () => {
-   const userMock = {
-      userId: u => {
-         return `userId: ${u}`;
-      },
-   }
-   const spy = jest.spyOn(userMock, 'userId');
-   expect(userMock.userId('userTest')).toBe('userId: userTest');
-   expect(spy).toHaveBeenCalledWith('userTest');
-});
\ No newline at end of file
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/lib/pubsub/ba-tiny-pubsub.min.js b/gui-editors/gui-editor-apex/src/main/resources/webapp/js/lib/pubsub/ba-tiny-pubsub.min.js
deleted file mode 100644
index 635ab34..0000000
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/js/lib/pubsub/ba-tiny-pubsub.min.js
+++ /dev/null
@@ -1,4 +0,0 @@
-/*! Tiny Pub/Sub - v0.7.0 - 2013-01-29
-* https://github.com/cowboy/jquery-tiny-pubsub
-* Copyright (c) 2013 "Cowboy" Ben Alman; Licensed MIT */
-(function(n){var u=n({});n.subscribe=function(){u.on.apply(u,arguments)},n.unsubscribe=function(){u.off.apply(u,arguments)},n.publish=function(){u.trigger.apply(u,arguments)}})(jQuery);
\ No newline at end of file
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/package-lock.json b/gui-editors/gui-editor-apex/src/main/resources/webapp/package-lock.json
index 0b398d7..b218308 100644
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/package-lock.json
+++ b/gui-editors/gui-editor-apex/src/main/resources/webapp/package-lock.json
@@ -83,7 +83,11 @@
           "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.13.tgz",
           "integrity": "sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==",
           "dev": true,
-          "optional": true
+          "optional": true,
+          "requires": {
+            "bindings": "^1.5.0",
+            "nan": "^2.12.1"
+          }
         },
         "glob-parent": {
           "version": "3.1.0",
@@ -2741,6 +2745,16 @@
       "dev": true,
       "optional": true
     },
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
     "bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -4384,6 +4398,13 @@
       "integrity": "sha512-0btnI/H8f2pavGMN8w40mlSKOfTK2SVJmBfBeVIj3kNw0swwgzyRq0d5TJVOwodFmtvpPeWPN/MCcfuWF0Ezbw==",
       "dev": true
     },
+    "file-uri-to-path": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
+      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
+      "dev": true,
+      "optional": true
+    },
     "fill-range": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
@@ -7440,6 +7461,13 @@
       "integrity": "sha1-iZ8R2WhuXgXLkbNdXw5jt3PPyQE=",
       "dev": true
     },
+    "nan": {
+      "version": "2.14.1",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.1.tgz",
+      "integrity": "sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==",
+      "dev": true,
+      "optional": true
+    },
     "nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -10150,7 +10178,11 @@
           "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.13.tgz",
           "integrity": "sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==",
           "dev": true,
-          "optional": true
+          "optional": true,
+          "requires": {
+            "bindings": "^1.5.0",
+            "nan": "^2.12.1"
+          }
         },
         "glob-parent": {
           "version": "3.1.0",
@@ -10551,7 +10583,11 @@
           "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.13.tgz",
           "integrity": "sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==",
           "dev": true,
-          "optional": true
+          "optional": true,
+          "requires": {
+            "bindings": "^1.5.0",
+            "nan": "^2.12.1"
+          }
         },
         "glob-parent": {
           "version": "3.1.0",
diff --git a/gui-editors/gui-editor-apex/src/main/resources/webapp/upload/dialog.html b/gui-editors/gui-editor-apex/src/main/resources/webapp/upload/dialog.html
deleted file mode 100644
index 912bec4..0000000
--- a/gui-editors/gui-editor-apex/src/main/resources/webapp/upload/dialog.html
+++ /dev/null
@@ -1,68 +0,0 @@
-<!--
-  ~ ============LICENSE_START=======================================================
-  ~  Copyright (C) 2020 Nordix Foundation
-  ~  ================================================================================
-  ~  Licensed under the Apache License, Version 2.0 (the "License");
-  ~  you may not use this file except in compliance with the License.
-  ~  You may obtain a copy of the License at
-  ~
-  ~        http://www.apache.org/licenses/LICENSE-2.0
-  ~  Unless required by applicable law or agreed to in writing, software
-  ~  distributed under the License is distributed on an "AS IS" BASIS,
-  ~  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~  See the License for the specific language governing permissions and
-  ~  limitations under the License.
-  ~
-  ~  SPDX-License-Identifier: Apache-2.0
-  ~  ============LICENSE_END=========================================================
-  -->
-
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <meta charset="UTF-8">
-  <title>Upload Policy</title>
-  <script>
-    $(document).ready(function () {
-      function upload() {
-        const data = new FormData();
-        const apexConfigFile = $('#apex-config-file')[0].files[0];
-        const toscaTemplateFile = $('#tosca-template-file')[0].files[0];
-        data.append('apex-config-file', apexConfigFile);
-        data.append('tosca-template-file', toscaTemplateFile);
-        data.append('userId', userManager.userId);
-        uploadPlugin.upload(data, function () {
-          dialog.dialog("close");
-        });
-      }
-
-      const dialog = $('#inner-dialog').dialog({
-        height: 300,
-        width: 435,
-        modal: true,
-        dialogClass: 'upload-dialog',
-        buttons: {
-          "Upload": upload,
-          Cancel: function() {
-            dialog.dialog("close");
-          }
-        }
-      });
-    });
-
-  </script>
-</head>
-<body>
-<div id="inner-dialog" title="Upload Policy" class="upload-dialog">
-  <p>Provide the following files to compose the policy TOSCA</p>
-  <div id="upload-form">
-    <label for="apex-config-file">Apex Config</label> <br/>
-    <input id="apex-config-file" type="file" required="required" accept="application/json"
-           class="ui-widget-content ui-corner-all"/> <br/>
-    <label for="tosca-template-file">Tosca Template</label> <br/>
-    <input id="tosca-template-file" type="file" required="required" accept="application/json"
-           class="ui-widget-content ui-corner-all"/>
-  </div>
-</div>
-</body>
-</html>