Move parameters from config Json file to application.yaml

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

5 files changed, 49 insertions, 185 deletions

diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/config/ParametersConfig.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/config/ParametersConfig.java
deleted file mode 100644
index 9c65d029c..000000000
--- a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/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.policy.config;
-
-import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
-import org.onap.policy.clamp.controlloop.participant.policy.main.parameters.ParticipantPolicyParameterHandler;
-import org.onap.policy.clamp.controlloop.participant.policy.main.parameters.ParticipantPolicyParameters;
-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 ParticipantPolicyParameters participantPolicyParameters() throws ControlLoopException {
-        return new ParticipantPolicyParameterHandler().toParticipantDcaeParameters(file);
-    }
-}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameterHandler.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameterHandler.java
deleted file mode 100644
index 0d8e70013..000000000
--- a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameterHandler.java
+++ /dev/null
@@ -1,75 +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.policy.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 policy participant parameters from JSON files.
- */
-public class ParticipantPolicyParameterHandler {
-
-    private static final Coder CODER = new StandardCoder();
-
-    /**
-     * Read the parameters from the parameter file.
-     *
-     * @param path the path passed to policy
-     * @return the parameters read from the configuration file
-     * @throws ControlLoopException on parameter exceptions
-     */
-    public ParticipantPolicyParameters toParticipantDcaeParameters(final String path) throws ControlLoopException {
-        ParticipantPolicyParameters parameters = null;
-
-        // Read the parameters
-        try {
-            // Read the parameters from JSON
-            File file = new File(path);
-            parameters = CODER.decode(file, ParticipantPolicyParameters.class);
-        } catch (final CoderException e) {
-            final String errorMessage =
-                    "error reading parameters from \"" + path + "\"\n" + "(" + 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) {
-            throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, "no parameters found in \"" + path + "\"");
-        }
-
-        // validate the parameters
-        final BeanValidationResult validationResult = parameters.validate();
-        if (!validationResult.isValid()) {
-            final String returnMessage =
-                    "validation error(s) on parameters from \"" + path + "\"\n" + validationResult.getResult();
-
-            throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, returnMessage);
-        }
-
-        return parameters;
-    }
-}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameters.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameters.java
index 490722a45..91f7ae47f 100644
--- a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameters.java
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameters.java
@@ -20,30 +20,32 @@
 
 package org.onap.policy.clamp.controlloop.participant.policy.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.event.comm.bus.internal.BusTopicParams;
-import org.onap.policy.common.parameters.ParameterGroupImpl;
-import org.onap.policy.common.parameters.annotations.NotNull;
+import org.onap.policy.common.endpoints.parameters.RestClientParameters;
+import org.onap.policy.common.parameters.validation.ParameterGroupConstraint;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.validation.annotation.Validated;
+
 
 /**
  * Class to hold all parameters needed for the policy participant.
  *
  */
-@NotNull
-@NotBlank
+@Validated
 @Getter
-public class ParticipantPolicyParameters extends ParameterGroupImpl {
+@Setter
+@ConfigurationProperties(prefix = "participant")
+public class ParticipantPolicyParameters {
+
+    @NotNull
+    @Valid
     private ParticipantIntermediaryParameters intermediaryParameters;
-    private BusTopicParams policyApiParameters;
 
-    /**
-     * Create the policy participant parameter group.
-     *
-     * @param name the parameter group name
-     */
-    public ParticipantPolicyParameters(final String name) {
-        super(name);
-    }
+    @NotNull
+    @ParameterGroupConstraint
+    private RestClientParameters policyApiParameters;
 }
diff --git a/participant/participant-impl/participant-impl-policy/src/main/resources/config/PolicyParticipantConfig.json b/participant/participant-impl/participant-impl-policy/src/main/resources/config/PolicyParticipantConfig.json
deleted file mode 100644
index bf458fae9..000000000
--- a/participant/participant-impl/participant-impl-policy/src/main/resources/config/PolicyParticipantConfig.json
+++ /dev/null
@@ -1,53 +0,0 @@
-{
-    "name": "ControlLoopParticipantGroup",
-    "intermediaryParameters": {
-        "name": "Participant parameters",
-        "reportingTimeInterval": 120000,
-        "description": "Participant Description",
-        "participantType":{
-            "name": "org.onap.policy.controlloop.PolicyControlLoopParticipant",
-            "version":"2.3.1"
-        },
-        "participantId": {
-            "name": "org.onap.PM_Policy",
-            "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"
-                }
-            ]
-        }
-    },
-    "policyApiParameters": {
-        "clientName": "api",
-        "hostname": "policy-api",
-        "port": "6969",
-        "userName": "healthcheck",
-        "password": "zb!XztG34",
-        "https": true,
-        "allowSelfSignedCerts": true
-    }
-}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/resources/config/application.yaml b/participant/participant-impl/participant-impl-policy/src/main/resources/config/application.yaml
index 79eca8f92..7bf4f623a 100644
--- a/participant/participant-impl/participant-impl-policy/src/main/resources/config/application.yaml
+++ b/participant/participant-impl/participant-impl-policy/src/main/resources/config/application.yaml
@@ -1,3 +1,33 @@
 
 participant:
-  file: src/main/resources/config/PolicyParticipantConfig.json
+  policyApiParameters:
+    clientName: api
+    hostname: policy-api
+    port: 6969
+    userName: healthcheck
+    password: zb!XztG34
+    https: true
+    allowSelfSignedCerts: true
+  intermediaryParameters:
+    reportingTimeInterval: 120000
+    description: Participant Description
+    participantId:
+      name: org.onap.PM_Policy
+      version: 1.0.0
+    participantType:
+      name: org.onap.policy.controlloop.PolicyControlLoopParticipant
+      version: 2.3.1
+    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