Support definition of custom tosca function names through configuration

Signed-off-by: JvD_Ericsson <jeff.van.dam@est.tech>
Change-Id: Ifc3e19350c0b2b2b6092e93b6d269d95a8e06ba3
Issue-ID: SDC-4469

2 files changed, 121 insertions, 0 deletions

diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/DefaultCustomToscaFunctionServlet.java b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/DefaultCustomToscaFunctionServlet.java
new file mode 100644
index 0000000000..2ad2266ea2
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/servlets/DefaultCustomToscaFunctionServlet.java
@@ -0,0 +1,110 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2023 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.openecomp.sdc.be.servlets;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.ArraySchema;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import io.swagger.v3.oas.annotations.tags.Tags;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.GET;
+import javax.ws.rs.HeaderParam;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import org.apache.commons.collections.CollectionUtils;
+import org.openecomp.sdc.be.components.impl.aaf.AafPermission;
+import org.openecomp.sdc.be.components.impl.aaf.PermissionAllowed;
+import org.openecomp.sdc.be.config.BeEcompErrorManager;
+import org.openecomp.sdc.be.config.Configuration;
+import org.openecomp.sdc.be.config.ConfigurationManager;
+import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.impl.ComponentsUtils;
+import org.openecomp.sdc.be.model.User;
+import org.openecomp.sdc.common.api.Constants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Path("/v1/catalog/customToscaFunctions")
+@Tags({@Tag(name = "SDCE-2 APIs")})
+@Singleton
+public class DefaultCustomToscaFunctionServlet extends BeGenericServlet {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(DefaultCustomToscaFunctionServlet.class);
+
+    @Inject
+    public DefaultCustomToscaFunctionServlet(final ComponentsUtils componentsUtils) {
+        super(componentsUtils);
+    }
+
+    @GET
+    @Path("/{type}")
+    @Produces(MediaType.APPLICATION_JSON)
+    @Operation(description = "Retrieve default custom tosca functions values from the configuration file based on type", method = "GET",
+        summary = "Retrieve all custom tosca functions",
+        responses = {
+            @ApiResponse(content = @Content(array = @ArraySchema(schema = @Schema(implementation = User.class)))),
+            @ApiResponse(responseCode = "200", description = "Returns default custom tosca functions values from configuration file Ok"),
+            @ApiResponse(responseCode = "404", description = "Default custom tosca functions not found"),
+            @ApiResponse(responseCode = "500", description = "Internal Server Error")})
+    @PermissionAllowed(AafPermission.PermNames.INTERNAL_ALL_VALUE)
+    public Response getDefaultCustomToscaFunctionValues(@Context final HttpServletRequest request,
+                                                        @HeaderParam(value = Constants.USER_ID_HEADER) String userId,
+                                                        @PathParam("type") Type type) {
+        final String url = request.getMethod() + " " + request.getRequestURI();
+        LOGGER.debug("Start handle request of {}", url);
+        final Map<String, Object> defaultCustomToscaFunctionssMap = new HashMap<>();
+        try {
+            final List<Configuration.CustomToscaFunction> defaultCustomToscaFunction = getDefaultCustomToscaFunctionValues().stream()
+                .filter(func -> type.name().toLowerCase().equals(func.getType())).collect(
+                    Collectors.toList());
+            if (CollectionUtils.isEmpty(defaultCustomToscaFunction)) {
+                return buildErrorResponse(getComponentsUtils().getResponseFormat(ActionStatus.NO_CONTENT));
+            }
+            defaultCustomToscaFunctionssMap.put("defaultCustomToscaFunction", defaultCustomToscaFunction);
+        } catch (final Exception e) {
+            BeEcompErrorManager.getInstance().logBeRestApiGeneralError("SDC Failed to retrieve all default custom tosca functions");
+            LOGGER.debug("Method getDefaultCustomToscaFunctionValues failed with unexpected exception", e);
+            return buildErrorResponse(getComponentsUtils().getResponseFormat(ActionStatus.GENERAL_ERROR));
+        }
+        return buildOkResponse(getComponentsUtils().getResponseFormat(ActionStatus.OK), defaultCustomToscaFunctionssMap);
+    }
+
+    private List<Configuration.CustomToscaFunction> getDefaultCustomToscaFunctionValues() {
+        List<Configuration.CustomToscaFunction> customFunctions =
+            ConfigurationManager.getConfigurationManager().getConfiguration().getDefaultCustomToscaFunctions();
+        return customFunctions == null ? Collections.emptyList() : customFunctions;
+    }
+
+    public enum Type {CUSTOM, GET_INPUT}
+}
diff --git a/common-app-api/src/main/java/org/openecomp/sdc/be/config/Configuration.java b/common-app-api/src/main/java/org/openecomp/sdc/be/config/Configuration.java
index f2bad701df..b73396352c 100644
--- a/common-app-api/src/main/java/org/openecomp/sdc/be/config/Configuration.java
+++ b/common-app-api/src/main/java/org/openecomp/sdc/be/config/Configuration.java
@@ -17,6 +17,7 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package org.openecomp.sdc.be.config;
 
 import static java.lang.String.format;
@@ -99,6 +100,7 @@ public class Configuration extends BasicConfiguration {
     private List<String> licenseTypes;
     private List<String> definedResourceNamespace;
     private List<String> directives;
+    private List<CustomToscaFunction> defaultCustomToscaFunctions;
     private Integer additionalInformationMaxNumberOfKeys;
     private HeatDeploymentArtifactTimeout heatArtifactDeploymentTimeout;
     private BeMonitoringConfig systemMonitoring;
@@ -528,4 +530,13 @@ public class Configuration extends BasicConfiguration {
         private String defaultFormat;
     }
 
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    public static class CustomToscaFunction {
+
+        private String name;
+        private String type;
+    }
+
 }