Move parameters from config Json file to application.yaml

Issue-ID: POLICY-3343
Change-Id: Id78c00a5a241337f684a70feeee543f3a88fc01c
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

19 files changed, 107 insertions, 683 deletions

diff --git a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/ParticipantSimulatorApplication.java b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/ParticipantSimulatorApplication.java
index 3aa1c36db..9f6e4aa4b 100644
--- a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/ParticipantSimulatorApplication.java
+++ b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/ParticipantSimulatorApplication.java
@@ -22,12 +22,14 @@ package org.onap.policy.clamp.controlloop.participant.simulator;
 

 import org.springframework.boot.SpringApplication;

 import org.springframework.boot.autoconfigure.SpringBootApplication;

+import org.springframework.boot.context.properties.ConfigurationPropertiesScan;

 

 /**

  * Starter.

  *

  */

 @SpringBootApplication

+@ConfigurationPropertiesScan("org.onap.policy.clamp.controlloop.participant.simulator.main.parameters")

 public class ParticipantSimulatorApplication {

 

     public static void main(String[] args) {

diff --git a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/config/ParametersConfig.java b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/config/ParametersConfig.java
deleted file mode 100644
index 936df2c57..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/config/ParametersConfig.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2021 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.clamp.controlloop.participant.simulator.config;
-
-import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
-import org.onap.policy.clamp.controlloop.participant.simulator.main.parameters.ParticipantSimulatorParameterHandler;
-import org.onap.policy.clamp.controlloop.participant.simulator.main.parameters.ParticipantSimulatorParameters;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-public class ParametersConfig {
-
-    @Value("${participant.file}")
-    private String file;
-
-    @Bean
-    public ParticipantSimulatorParameters participantSimulatorParameters() throws ControlLoopException {
-        return new ParticipantSimulatorParameterHandler().toParticipantSimulatorParameters(file);
-    }
-}
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/ParticipantSimulatorParameterHandler.java b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/ParticipantSimulatorParameterHandler.java
deleted file mode 100644
index 178d08794..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/ParticipantSimulatorParameterHandler.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2021 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.clamp.controlloop.participant.simulator.main.parameters;
-
-import java.io.File;
-import javax.ws.rs.core.Response;
-import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
-import org.onap.policy.common.parameters.BeanValidationResult;
-import org.onap.policy.common.utils.coder.Coder;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.common.utils.coder.StandardCoder;
-
-/**
- * This class handles reading, parsing and validating of participant simulator parameters from JSON files.
- */
-public class ParticipantSimulatorParameterHandler {
-
-    private static final Coder CODER = new StandardCoder();
-
-    /**
-     * Read the parameters from the path of the file.
-     *
-     * @param path path of the config file.
-     * @return the parameters read from the configuration file
-     * @throws ControlLoopException on parameter exceptions
-     */
-    public ParticipantSimulatorParameters toParticipantSimulatorParameters(String path) throws ControlLoopException {
-        ParticipantSimulatorParameters parameters = null;
-        // Read the parameters
-        try {
-            // Read the parameters from JSON
-            File file = new File(path);
-            parameters = CODER.decode(file, ParticipantSimulatorParameters.class);
-        } catch (final CoderException e) {
-            final String errorMessage = "error reading parameters from \"" + path + "\"" + System.lineSeparator() + "("
-                    + e.getClass().getSimpleName() + ")";
-            throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, errorMessage, e);
-        }
-
-        // The JSON processing returns null if there is an empty file
-        if (parameters == null) {
-            final String errorMessage = "no parameters found in \"" + path + "\"";
-            throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, errorMessage);
-        }
-
-        // validate the parameters
-        final BeanValidationResult validationResult = parameters.validate();
-        if (!validationResult.isValid()) {
-            final String returnMessage = "validation error(s) on parameters from \"" + path + "\""
-                    + System.lineSeparator() + validationResult.getResult();
-
-            throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, returnMessage);
-        }
-
-        return parameters;
-    }
-
-}
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/ParticipantSimulatorParameters.java b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/ParticipantSimulatorParameters.java
index a4e62b446..5110ac6a6 100644
--- a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/ParticipantSimulatorParameters.java
+++ b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/ParticipantSimulatorParameters.java
@@ -20,32 +20,31 @@
 
 package org.onap.policy.clamp.controlloop.participant.simulator.main.parameters;
 
-import javax.validation.constraints.NotBlank;
+import javax.validation.Valid;
+import javax.validation.constraints.NotNull;
 import lombok.Getter;
+import lombok.Setter;
 import org.onap.policy.clamp.controlloop.participant.intermediary.parameters.ParticipantIntermediaryParameters;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
-import org.onap.policy.common.parameters.ParameterGroupImpl;
-import org.onap.policy.common.parameters.annotations.NotNull;
+import org.onap.policy.common.parameters.validation.ParameterGroupConstraint;
 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.validation.annotation.Validated;
 
 /**
  * Class to hold all parameters needed for the participant simulator.
  *
  */
-@NotNull
-@NotBlank
+@Validated
 @Getter
-public class ParticipantSimulatorParameters extends ParameterGroupImpl {
-    private RestServerParameters restServerParameters;
+@Setter
+@ConfigurationProperties(prefix = "participant")
+public class ParticipantSimulatorParameters {
+
+    @NotNull
+    @Valid
     private ParticipantIntermediaryParameters intermediaryParameters;
-    private PolicyModelsProviderParameters databaseProviderParameters;
 
-    /**
-     * Create the participant simulator parameter group.
-     *
-     * @param name the parameter group name
-     */
-    public ParticipantSimulatorParameters(final String name) {
-        super(name);
-    }
+    @NotNull
+    @ParameterGroupConstraint
+    private PolicyModelsProviderParameters databaseProviderParameters;
 }
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/rest/ParticipantErrorController.java b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/rest/ParticipantErrorController.java
index 82c1ac602..d4429b879 100644
--- a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/rest/ParticipantErrorController.java
+++ b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/rest/ParticipantErrorController.java
@@ -94,8 +94,4 @@ public class ParticipantErrorController implements ErrorController {
         return ResponseEntity.status(getStatus(request)).body(resp);
 
     }
-
-    public String getErrorPath() {
-        return path;
-    }
 }
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/CDSParticipantConfig.json b/participant/participant-impl/participant-impl-simulator/src/main/resources/config/CDSParticipantConfig.json
deleted file mode 100644
index 544edb1ff..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/CDSParticipantConfig.json
+++ /dev/null
@@ -1,61 +0,0 @@
-{
-    "name": "ControlLoopParticipantGroup",
-    "restServerParameters": {
-        "host": "0.0.0.0",
-        "port": 6969,
-        "userName": "healthcheck",
-        "password": "zb!XztG34",
-        "https": false,
-        "aaf": false
-    },
-    "intermediaryParameters": {
-        "name": "Participant parameters",
-        "reportingTimeInterval": 120000,
-        "description": "Participant Description",
-        "participantId": {
-            "name": "org.onap.PM_CDS_Blueprint",
-            "version": "1.0.0"
-        },
-        "participantType": {
-            "name": "org.onap.PM_CDS_Blueprint",
-            "version": "1.0.0"
-        },
-        "clampControlLoopTopics": {
-            "topicSources": [
-                {
-                    "topic": "POLICY-CLRUNTIME-PARTICIPANT",
-                    "servers": [
-                        "message-router"
-                    ],
-                    "topicCommInfrastructure": "dmaap",
-                    "fetchTimeout": 15000
-                }
-            ],
-            "topicSinks": [
-                {
-                    "topic": "POLICY-CLRUNTIME-PARTICIPANT",
-                    "servers": [
-                        "message-router"
-                    ],
-                    "topicCommInfrastructure": "dmaap"
-                },
-                {
-                    "topic": "POLICY-NOTIFICATION",
-                    "servers": [
-                        "message-router"
-                    ],
-                    "topicCommInfrastructure": "dmaap"
-                }
-            ]
-        }
-    },
-    "databaseProviderParameters": {
-        "name": "PolicyProviderParameterGroup",
-        "implementation": "org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl",
-        "databaseDriver": "org.mariadb.jdbc.Driver",
-        "databaseUrl": "jdbc:mariadb://mariadb:3306/cdsparticipantsim",
-        "databaseUser": "policy",
-        "databasePassword": "P01icY",
-        "persistenceUnit": "ToscaConceptTest"
-    }
-}
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/DCAEParticipantConfig.json b/participant/participant-impl/participant-impl-simulator/src/main/resources/config/DCAEParticipantConfig.json
deleted file mode 100644
index e80570f93..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/DCAEParticipantConfig.json
+++ /dev/null
@@ -1,31 +0,0 @@
-{
-    "name":"ParticipantParameterGroup",
-    "participantStatusParameters":{
-        "timeIntervalMs": 10000,
-        "description":"Participant Status",
-        "participantType":{
-            "name": "org.onap.dcae.controlloop.DCAEMicroserviceControlLoopParticipant",
-            "version":"2.3.4"
-        },
-        "participantId":{
-            "name": "DCAEParticipant0",
-            "version":"1.0.0"
-        },
-        "participantDefinition":{
-            "name": "org.onap.dcae.controlloop.DCAEMicroserviceControlLoopParticipant",
-            "version":"2.3.4"
-        }
-    },
-    "topicParameterGroup": {
-        "topicSources" : [{
-            "topic" : "POLICY-CLRUNTIME-PARTICIPANT",
-            "servers" : [ "127.0.0.1:3904" ],
-            "topicCommInfrastructure" : "dmaap"
-        }],
-        "topicSinks" : [{
-            "topic" : "POLICY-CLRUNTIME-PARTICIPANT",
-            "servers" : [ "127.0.0.1:3904" ],
-            "topicCommInfrastructure" : "dmaap"
-        }]
-    }
-}
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/PolicyParticipantConfig.json b/participant/participant-impl/participant-impl-simulator/src/main/resources/config/PolicyParticipantConfig.json
deleted file mode 100644
index 8c8fa33cb..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/PolicyParticipantConfig.json
+++ /dev/null
@@ -1,31 +0,0 @@
-{
-    "name":"ParticipantParameterGroup",
-    "participantStatusParameters":{
-        "timeIntervalMs":10000,
-        "description":"Participant Status",
-        "participantType":{
-            "name": "org.onap.policy.controlloop.PolicyControlLoopParticipant",
-            "version":"2.3.1"
-        },
-        "participantId":{
-            "name": "PolicyParticipant0",
-            "version":"1.0.0"
-        },
-        "participantDefinition":{
-            "name": "org.onap.policy.controlloop.PolicyControlLoopParticipant",
-            "version":"2.3.1"
-        }
-    },
-    "topicParameterGroup": {
-        "topicSources" : [{
-            "topic" : "POLICY-CLRUNTIME-PARTICIPANT",
-            "servers" : [ "127.0.0.1:3904" ],
-            "topicCommInfrastructure" : "dmaap"
-        }],
-        "topicSinks" : [{
-            "topic" : "POLICY-CLRUNTIME-PARTICIPANT",
-            "servers" : [ "127.0.0.1:3904" ],
-            "topicCommInfrastructure" : "dmaap"
-        }]
-    }
-}
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/application.yaml b/participant/participant-impl/participant-impl-simulator/src/main/resources/config/application.yaml
index b1fc135a5..a45636b34 100644
--- a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/application.yaml
+++ b/participant/participant-impl/participant-impl-simulator/src/main/resources/config/application.yaml
@@ -12,4 +12,34 @@ server:
     path: /error
 
 participant:
-  file: src/main/resources/config/CDSParticipantConfig.json
+  intermediaryParameters:
+    reportingTimeInterval: 120000
+    description: Participant Description
+    participantId:
+      name: org.onap.PM_CDS_Blueprint
+      version: 1.0.0
+    participantType:
+      name: org.onap.PM_CDS_Blueprint
+      version: 1.0.0
+    clampControlLoopTopics:
+      topicSources[0]:
+        topic: POLICY-CLRUNTIME-PARTICIPANT
+        servers[0]: ${topicServer:message-router}
+        topicCommInfrastructure: dmaap
+        fetchTimeout: 15000
+      topicSinks[0]:
+        topic: POLICY-CLRUNTIME-PARTICIPANT
+        servers[0]: ${topicServer:message-router}
+        topicCommInfrastructure: dmaap
+      topicSinks[1]:
+        topic: POLICY-NOTIFICATION
+        servers[0]: ${topicServer:message-router}
+        topicCommInfrastructure: dmaap
+  databaseProviderParameters:
+    name: PolicyProviderParameterGroup
+    implementation: org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl
+    databaseDriver: org.mariadb.jdbc.Driver
+    databaseUrl: jdbc:mariadb://mariadb:3306/cdsparticipantsim
+    databaseUser: policy
+    databasePassword: P01icY
+    persistenceUnit: ToscaConceptTest
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/CommonTestData.java b/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/CommonTestData.java
index 2c9b1ccd2..c53410b28 100644
--- a/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/CommonTestData.java
+++ b/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/CommonTestData.java
@@ -20,19 +20,11 @@
 
 package org.onap.policy.clamp.controlloop.participant.simulator.main.parameters;
 
-import java.io.File;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
-import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
 import org.onap.policy.common.endpoints.parameters.TopicParameters;
-import org.onap.policy.common.parameters.ParameterGroup;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
@@ -46,30 +38,20 @@ public class CommonTestData {
     public static final String DESCRIPTION = "Participant description";
     public static final long TIME_INTERVAL = 2000;
     public static final List<TopicParameters> TOPIC_PARAMS = Arrays.asList(getTopicParams());
-    private static final String REST_SERVER_PASSWORD = "zb!XztG34";
-    private static final String REST_SERVER_USER = "healthcheck";
-    private static final int REST_SERVER_PORT = 6969;
-    public static final String REST_SERVER_HOST = "0.0.0.0";
-    private static final boolean REST_SERVER_HTTPS = true;
-    private static final boolean REST_SERVER_AAF = false;
 
-    public static final Coder coder = new StandardCoder();
+    public static final Coder CODER = new StandardCoder();
 
     /**
-     * Converts the contents of a map to a parameter class.
+     * Get ParticipantSimulatorParameters.
      *
-     * @param <T> the specific parameter group type to convert
-     * @param source property map
-     * @param clazz class of object to be created from the map
-     * @return a new object represented by the map
-     * @throws ControlLoopRuntimeException on parameter parsing errors
+     * @return ParticipantSimulatorParameters
      */
-    public <T extends ParameterGroup> T toObject(final Map<String, Object> source, final Class<T> clazz) {
+    public ParticipantSimulatorParameters getParticipantSimulatorParameters() {
         try {
-            return coder.convert(source, clazz);
+            return CODER.convert(getParticipantParameterGroupMap(PARTICIPANT_GROUP_NAME),
+                    ParticipantSimulatorParameters.class);
         } catch (final CoderException e) {
-            throw new ControlLoopRuntimeException(Status.NOT_ACCEPTABLE,
-                "cannot create " + clazz.getName() + " from map", e);
+            throw new RuntimeException("cannot create ParticipantSimulatorParameters from map", e);
         }
     }
 
@@ -84,34 +66,12 @@ public class CommonTestData {
         final Map<String, Object> map = new TreeMap<>();
 
         map.put("name", name);
-        map.put("restServerParameters", getRestServerParametersMap(false));
         map.put("intermediaryParameters", getIntermediaryParametersMap(false));
         map.put("databaseProviderParameters", getDatabaseProviderParametersMap(false));
         return map;
     }
 
     /**
-     * Returns a property map for a RestServerParameters map for test cases.
-     *
-     * @param isEmpty boolean value to represent that object created should be empty or not
-     * @return a property map suitable for constructing an object
-     */
-    public Map<String, Object> getRestServerParametersMap(final boolean isEmpty) {
-        final Map<String, Object> map = new TreeMap<>();
-        map.put("https", REST_SERVER_HTTPS);
-        map.put("aaf", REST_SERVER_AAF);
-
-        if (!isEmpty) {
-            map.put("host", REST_SERVER_HOST);
-            map.put("port", REST_SERVER_PORT);
-            map.put("userName", REST_SERVER_USER);
-            map.put("password", REST_SERVER_PASSWORD);
-        }
-
-        return map;
-    }
-
-    /**
      * Returns a property map for a databaseProviderParameters map for test cases.
      *
      * @param isEmpty boolean value to represent that object created should be empty or not
@@ -191,58 +151,6 @@ public class CommonTestData {
     }
 
     /**
-     * Gets the standard participant parameters.
-     *
-     * @param port port to be inserted into the parameters
-     * @return the standard participant parameters
-     * @throws ControlLoopRuntimeException on parameter read errors
-     */
-    public ParticipantSimulatorParameters getParticipantParameterGroup(int port) {
-        try {
-            return coder.decode(getParticipantParameterGroupAsString(port), ParticipantSimulatorParameters.class);
-
-        } catch (CoderException e) {
-            throw new ControlLoopRuntimeException(Status.NOT_ACCEPTABLE, "cannot read participant parameters", e);
-        }
-    }
-
-    /**
-     * Gets the standard participant parameters, as a String.
-     *
-     * @param port port to be inserted into the parameters
-     * @return the standard participant parameters
-     * @throws ControlLoopRuntimeException on parameter read errors
-     */
-    public static String getParticipantParameterGroupAsString(int port) {
-
-        try {
-            File file = new File(getParamFile());
-            String json = new String(Files.readAllBytes(file.toPath()), StandardCharsets.UTF_8);
-
-            json = json.replace("${port}", String.valueOf(port));
-            json = json.replace("${dbName}", "jdbc:h2:mem:testdb");
-
-            return json;
-
-        } catch (IOException e) {
-            throw new ControlLoopRuntimeException(Response.Status.NOT_ACCEPTABLE, "cannot read participant parameters",
-                e);
-
-        }
-    }
-
-    /**
-     * Gets the full path to the parameter file, which may vary depending on whether or
-     * not this is an end-to-end test.
-     *
-     * @return the parameter file name
-     */
-    private static String getParamFile() {
-        String paramFile = "src/test/resources/parameters/TestParametersStd.json";
-        return paramFile;
-    }
-
-    /**
      * Nulls out a field within a JSON string.
      *
      * @param json JSON string
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameterHandler.java b/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameterHandler.java
deleted file mode 100644
index 44b49f355..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameterHandler.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2021 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.clamp.controlloop.participant.simulator.main.parameters;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-
-import java.io.FileNotFoundException;
-import org.apache.commons.io.DirectoryWalker.CancelException;
-import org.junit.jupiter.api.Test;
-import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
-import org.onap.policy.common.utils.coder.CoderException;
-
-/**
- * Class to perform unit test of {@link ParticipantParameterHandler}.
- */
-class TestParticipantSimulatorParameterHandler {
-
-    @Test
-    void testParameterHandlerNoParameterFile() throws ControlLoopException {
-        final String path = "src/test/resources/parameters/NoParametersFile.json";
-
-        assertThatThrownBy(() -> new ParticipantSimulatorParameterHandler().toParticipantSimulatorParameters(path))
-            .hasCauseInstanceOf(CoderException.class)
-            .hasRootCauseInstanceOf(FileNotFoundException.class);
-    }
-
-    @Test
-    void testParameterHandlerInvalidParameters() throws ControlLoopException {
-        final String path = "src/test/resources/parameters/InvalidParameters.json";
-
-        assertThatThrownBy(() -> new ParticipantSimulatorParameterHandler().toParticipantSimulatorParameters(path))
-            .hasMessageStartingWith("error reading parameters from")
-            .hasCauseInstanceOf(CoderException.class);
-    }
-
-    @Test
-    void testParameterHandlerNoParameters() throws CancelException, ControlLoopException {
-        final String path = "src/test/resources/parameters/EmptyParameters.json";
-
-        assertThatThrownBy(() -> new ParticipantSimulatorParameterHandler().toParticipantSimulatorParameters(path))
-            .hasMessageContaining("no parameters found");
-    }
-
-    @Test
-    void testParticipantParameterGroup() throws ControlLoopException {
-        final String path = "src/test/resources/parameters/TestParameters.json";
-
-        final ParticipantSimulatorParameters parGroup = new ParticipantSimulatorParameterHandler()
-                .toParticipantSimulatorParameters(path);
-        assertEquals(CommonTestData.PARTICIPANT_GROUP_NAME, parGroup.getName());
-    }
-}
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameters.java b/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameters.java
index 41c5b09b0..e5c7b5e30 100644
--- a/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameters.java
+++ b/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/parameters/TestParticipantSimulatorParameters.java
@@ -21,90 +21,49 @@
 package org.onap.policy.clamp.controlloop.participant.simulator.main.parameters;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
 
-import java.util.Map;
+import javax.validation.Validation;
+import javax.validation.ValidatorFactory;
 import org.junit.jupiter.api.Test;
-import org.onap.policy.common.parameters.ValidationResult;
 
 /**
  * Class to perform unit test of {@link ParticipantParameterGroup}.
  */
 class TestParticipantSimulatorParameters {
-    CommonTestData commonTestData = new CommonTestData();
-
-    @Test
-    void testParticipantParameterGroup_Named() {
-        final ParticipantSimulatorParameters participantParameters = new ParticipantSimulatorParameters("my-name");
-        assertEquals("my-name", participantParameters.getName());
-    }
+    private CommonTestData commonTestData = new CommonTestData();
+    private ValidatorFactory validatorFactory = Validation.buildDefaultValidatorFactory();
 
     @Test
     void testParticipantParameterGroup() {
-        final ParticipantSimulatorParameters participantParameters = commonTestData.toObject(
-                commonTestData.getParticipantParameterGroupMap(CommonTestData.PARTICIPANT_GROUP_NAME),
-                ParticipantSimulatorParameters.class);
-        assertThat(participantParameters.validate().isValid()).isTrue();
-        assertEquals(CommonTestData.PARTICIPANT_GROUP_NAME, participantParameters.getName());
+        final ParticipantSimulatorParameters participantParameters = commonTestData.getParticipantSimulatorParameters();
+        assertThat(validatorFactory.getValidator().validate(participantParameters)).isEmpty();
     }
 
     @Test
-    void testParticipantParameterGroup_NullName() {
-        final ParticipantSimulatorParameters participantParameters = commonTestData
-                .toObject(commonTestData.getParticipantParameterGroupMap(null),
-                        ParticipantSimulatorParameters.class);
-        final ValidationResult validationResult = participantParameters.validate();
-        assertFalse(validationResult.isValid());
-        assertEquals(null, participantParameters.getName());
-        assertThat(validationResult.getResult()).contains("is null");
-    }
-
-    @Test
-    void testParticipantParameterGroup_EmptyName() {
-        final ParticipantSimulatorParameters participantParameters = commonTestData
-                .toObject(commonTestData.getParticipantParameterGroupMap(""),
-                                ParticipantSimulatorParameters.class);
-        final ValidationResult validationResult = participantParameters.validate();
-        assertFalse(validationResult.isValid());
-        assertEquals("", participantParameters.getName());
-        assertThat(validationResult.getResult()).contains(
-                "item \"name\" value \"\" INVALID, " + "is blank");
+    void testParticipantParameterGroup_EmptyParticipantIntermediaryParameters() {
+        final ParticipantSimulatorParameters participantParameters = commonTestData.getParticipantSimulatorParameters();
+        participantParameters.setIntermediaryParameters(null);
+        assertThat(validatorFactory.getValidator().validate(participantParameters)).isNotEmpty();
     }
 
     @Test
-    void testParticipantParameterGroup_SetName() {
-        final ParticipantSimulatorParameters participantParameters = commonTestData.toObject(
-                commonTestData.getParticipantParameterGroupMap(CommonTestData.PARTICIPANT_GROUP_NAME),
-                ParticipantSimulatorParameters.class);
-        participantParameters.setName("ParticipantNewGroup");
-        assertThat(participantParameters.validate().isValid()).isTrue();
-        assertEquals("ParticipantNewGroup", participantParameters.getName());
+    void testParticipantParameterGroup_EmptyDatabaseProviderParameters() {
+        final ParticipantSimulatorParameters participantParameters = commonTestData.getParticipantSimulatorParameters();
+        participantParameters.setDatabaseProviderParameters(null);
+        assertThat(validatorFactory.getValidator().validate(participantParameters)).isNotEmpty();
     }
 
     @Test
-    void testParticipantParameterGroup_EmptyParticipantIntermediaryParameters() {
-        final Map<String, Object> map =
-                commonTestData.getParticipantParameterGroupMap(CommonTestData.PARTICIPANT_GROUP_NAME);
-        map.replace("intermediaryParameters", commonTestData.getIntermediaryParametersMap(true));
-        final ParticipantSimulatorParameters participantParameters =
-                commonTestData.toObject(map, ParticipantSimulatorParameters.class);
-        final ValidationResult validationResult = participantParameters.validate();
-        assertNull(validationResult.getResult());
+    void testParticipantPolicyParameters_NullTopicSinks() {
+        final ParticipantSimulatorParameters participantParameters = commonTestData.getParticipantSimulatorParameters();
+        participantParameters.getIntermediaryParameters().getClampControlLoopTopics().setTopicSinks(null);
+        assertThat(validatorFactory.getValidator().validate(participantParameters)).isNotEmpty();
     }
 
     @Test
-    void testParticipantParameterGroupp_EmptyTopicParameters() {
-        final Map<String, Object> map =
-                commonTestData.getParticipantParameterGroupMap(CommonTestData.PARTICIPANT_GROUP_NAME);
-        final Map<String, Object> intermediaryParametersMap = commonTestData.getIntermediaryParametersMap(false);
-        intermediaryParametersMap.put("clampControlLoopTopics", commonTestData.getTopicParametersMap(true));
-        map.replace("intermediaryParameters", intermediaryParametersMap);
-
-        final ParticipantSimulatorParameters participantParameters =
-                commonTestData.toObject(map, ParticipantSimulatorParameters.class);
-        final ValidationResult validationResult = participantParameters.validate();
-        assertNull(validationResult.getResult());
+    void testParticipantPolicyParameters_NullTopicSources() {
+        final ParticipantSimulatorParameters participantParameters = commonTestData.getParticipantSimulatorParameters();
+        participantParameters.getIntermediaryParameters().getClampControlLoopTopics().setTopicSources(null);
+        assertThat(validatorFactory.getValidator().validate(participantParameters)).isNotEmpty();
     }
 }
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/resources/application_test.properties b/participant/participant-impl/participant-impl-simulator/src/test/resources/application_test.properties
index c31bb9d6b..89c57bb12 100644
--- a/participant/participant-impl/participant-impl-simulator/src/test/resources/application_test.properties
+++ b/participant/participant-impl/participant-impl-simulator/src/test/resources/application_test.properties
@@ -4,4 +4,32 @@ spring.security.user.password=zb!XztG34
 server.servlet.context-path=/onap/participantsim
 server.error.path=/error
 
-participant.file=src/test/resources/parameters/TestParameters.json
+participant.restServerParameters.host=0.0.0.0
+participant.restServerParameters.port=6969
+participant.restServerParameters.userName=healthcheck
+participant.restServerParameters.password=zb!XztG34
+participant.restServerParameters.https=false
+participant.restServerParameters.aaf=false
+participant.intermediaryParameters.reportingTimeInterval=120000
+participant.intermediaryParameters.description=Participant Description
+participant.intermediaryParameters.participantId.name=org.onap.PM_CDS_Blueprint
+participant.intermediaryParameters.participantId.version=1.0.0
+participant.intermediaryParameters.participantType.name=org.onap.PM_CDS_Blueprint
+participant.intermediaryParameters.participantType.version=1.0.0
+participant.intermediaryParameters.clampControlLoopTopics.topicSources[0].topic=POLICY-CLRUNTIME-PARTICIPANT
+participant.intermediaryParameters.clampControlLoopTopics.topicSources[0].servers[0]=localhost
+participant.intermediaryParameters.clampControlLoopTopics.topicSources[0].topicCommInfrastructure=dmaap
+participant.intermediaryParameters.clampControlLoopTopics.topicSources[0].fetchTimeout=15000
+participant.intermediaryParameters.clampControlLoopTopics.topicSinks[0].topic=POLICY-CLRUNTIME-PARTICIPANT
+participant.intermediaryParameters.clampControlLoopTopics.topicSinks[0].servers[0]=localhost
+participant.intermediaryParameters.clampControlLoopTopics.topicSinks[0].topicCommInfrastructure=dmaap
+participant.intermediaryParameters.clampControlLoopTopics.topicSinks[1].topic=POLICY-NOTIFICATION
+participant.intermediaryParameters.clampControlLoopTopics.topicSinks[1].servers[0]=localhost
+participant.intermediaryParameters.clampControlLoopTopics.topicSinks[1].topicCommInfrastructure=dmaap
+participant.databaseProviderParameters.name=PolicyProviderParameterGroup
+participant.databaseProviderParameters.implementation=org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl
+participant.databaseProviderParameters.databaseDriver=org.h2.Driver
+participant.databaseProviderParameters.databaseUrl=jdbc:h2:mem:testdb
+participant.databaseProviderParameters.databaseUser=policy
+participant.databaseProviderParameters.databasePassword=P01icY
+participant.databaseProviderParameters.persistenceUnit=ToscaConceptTest
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/EmptyParameters.json b/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/EmptyParameters.json
deleted file mode 100644
index e69de29bb..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/EmptyParameters.json
+++ /dev/null
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/InvalidParameters.json b/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/InvalidParameters.json
deleted file mode 100644
index 1035ccb67..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/InvalidParameters.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "name": "
-}
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/NoParameters.json b/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/NoParameters.json
deleted file mode 100644
index 7a73a41bf..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/NoParameters.json
+++ /dev/null
@@ -1,2 +0,0 @@
-{
-}
\ No newline at end of file
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/TestParameters.json b/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/TestParameters.json
deleted file mode 100644
index 8c594044b..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/TestParameters.json
+++ /dev/null
@@ -1,61 +0,0 @@
-{
-    "name": "ControlLoopParticipantGroup",
-    "restServerParameters": {
-        "host": "0.0.0.0",
-        "port": 6969,
-        "userName": "healthcheck",
-        "password": "zb!XztG34",
-        "https": false,
-        "aaf": false
-    },
-    "intermediaryParameters": {
-        "name": "Participant parameters",
-        "reportingTimeInterval": 120000,
-        "description": "Participant Description",
-        "participantId": {
-            "name": "org.onap.PM_CDS_Blueprint",
-            "version": "1.0.0"
-        },
-        "participantType": {
-            "name": "org.onap.PM_CDS_Blueprint",
-            "version": "1.0.0"
-        },
-        "clampControlLoopTopics": {
-            "topicSources": [
-                {
-                    "topic": "POLICY-CLRUNTIME-PARTICIPANT",
-                    "servers": [
-                        "localhost"
-                    ],
-                    "topicCommInfrastructure": "dmaap",
-                    "fetchTimeout": 15000
-                }
-            ],
-            "topicSinks": [
-                {
-                    "topic": "POLICY-CLRUNTIME-PARTICIPANT",
-                    "servers": [
-                        "localhost"
-                    ],
-                    "topicCommInfrastructure": "dmaap"
-                },
-                {
-                    "topic": "POLICY-NOTIFICATION",
-                    "servers": [
-                        "localhost"
-                    ],
-                    "topicCommInfrastructure": "dmaap"
-                }
-            ]
-        }
-    },
-    "databaseProviderParameters": {
-        "name": "PolicyProviderParameterGroup",
-        "implementation": "org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl",
-        "databaseDriver": "org.h2.Driver",
-        "databaseUrl": "jdbc:h2:mem:testdb",
-        "databaseUser": "policy",
-        "databasePassword": "P01icY",
-        "persistenceUnit": "ToscaConceptTest"
-    }
-}
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/TestParametersStd.json b/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/TestParametersStd.json
deleted file mode 100644
index 0295a8f91..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/TestParametersStd.json
+++ /dev/null
@@ -1,61 +0,0 @@
-{
-    "name": "ControlLoopParticipantGroup",
-     "restServerParameters": {
-        "host": "0.0.0.0",
-        "port": ${port},
-        "userName": "healthcheck",
-        "password": "zb!XztG34",
-        "https": false,
-        "aaf": false
-    },
-    "intermediaryParameters": {
-        "name": "Participant parameters",
-        "reportingTimeInterval": 120000,
-        "description": "Participant Description",
-        "participantId": {
-            "name": "org.onap.PM_CDS_Blueprint",
-            "version": "1.0.0"
-        },
-        "participantType": {
-            "name": "org.onap.PM_CDS_Blueprint",
-            "version": "1.0.0"
-        },
-        "clampControlLoopTopics": {
-            "topicSources": [
-                {
-                    "topic": "POLICY-CLRUNTIME-PARTICIPANT",
-                    "servers": [
-                        "localhost"
-                    ],
-                    "topicCommInfrastructure": "dmaap",
-                    "fetchTimeout": 15000
-                }
-            ],
-            "topicSinks": [
-                {
-                    "topic": "POLICY-CLRUNTIME-PARTICIPANT",
-                    "servers": [
-                        "localhost"
-                    ],
-                    "topicCommInfrastructure": "dmaap"
-                },
-                {
-                    "topic": "POLICY-NOTIFICATION",
-                    "servers": [
-                        "localhost"
-                    ],
-                    "topicCommInfrastructure": "dmaap"
-                }
-            ]
-        }
-    },
-    "databaseProviderParameters": {
-        "name": "PolicyProviderParameterGroup",
-        "implementation": "org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl",
-        "databaseDriver": "org.h2.Driver",
-        "databaseUrl": "jdbc:h2:mem:testdb",
-        "databaseUser": "policy",
-        "databasePassword": "P01icY",
-        "persistenceUnit": "ToscaConceptTest"
-    }
-}
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/Unreadable.json b/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/Unreadable.json
deleted file mode 100644
index fc36b49e4..000000000
--- a/participant/participant-impl/participant-impl-simulator/src/test/resources/parameters/Unreadable.json
+++ /dev/null
@@ -1,61 +0,0 @@
-{
-    "name": "ControlLoopRuntimeGroup",
-    "restServerParameters": {
-        "host": "0.0.0.0",
-        "port": 6969,
-        "userName": "healthcheck",
-        "password": "zb!XztG34",
-        "https": false,
-        "aaf": false
-    },
-    "participantParameters": {
-        "heartBeatMs": 120000,
-        "updateParameters": {
-            "maxRetryCount": 1,
-            "maxWaitMs": 30000
-        },
-        "stateChangeParameters": {
-            "maxRetryCount": 1,
-            "maxWaitMs": 30000
-        }
-    },
-    "databaseProviderParameters": {
-        "name": "PolicyProviderParameterGroup",
-        "implementation": "org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl",
-        "databaseDriver": "org.h2.Driver",
-        "databaseUrl": "jdbc:h2:mem:testdb",
-        "databaseUser": "policy",
-        "databasePassword": "P01icY",
-        "persistenceUnit": "ToscaConceptTest"
-    },
-    "topicParameterGroup": {
-        "topicSources": [
-            {
-                "topic": "POLICY-CLRUNTIME-PARTICIPANT",
-                "servers": [
-                    "localhost"
-                ],
-                "topicCommInfrastructure": "dmaap",
-                "fetchTimeout": 15000
-            }
-        ],
-        "topicSinks": [
-            {
-                "topic": "POLICY-CLRUNTIME-PARTICIPANT",
-                "servers": [
-                    "localhost"
-                ],
-                "topicCommInfrastructure": "dmaap"
-            },
-            {
-                "topic": "POLICY-NOTIFICATION",
-                "servers": [
-                    "localhost"
-                ],
-                "topicCommInfrastructure": "dmaap"
-            }
-        ]
-    }
-}
-
-