1 files changed, 140 insertions, 0 deletions
diff --git a/participant/participant-impl/participant-impl-dcae/src/main/java/org/onap/policy/clamp/controlloop/participant/dcae/httpclient/ClampHttpClient.java b/participant/participant-impl/participant-impl-dcae/src/main/java/org/onap/policy/clamp/controlloop/participant/dcae/httpclient/ClampHttpClient.java
new file mode 100644
index 000000000..eb805054d
--- /dev/null
+++ b/participant/participant-impl/participant-impl-dcae/src/main/java/org/onap/policy/clamp/controlloop/participant/dcae/httpclient/ClampHttpClient.java
@@ -0,0 +1,140 @@
+/*-
+ * ============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.dcae.httpclient;
+
+import org.apache.http.HttpStatus;
+import org.onap.policy.clamp.controlloop.participant.dcae.model.ExternalComponent;
+import org.onap.policy.clamp.controlloop.participant.dcae.model.Loop;
+import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ClampHttpClient extends AbstractHttpClient {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ClampHttpClient.class);
+
+    private static final String STATUS = "/restservices/clds/v2/loop/getstatus/";
+    private static final String CREATE = "/restservices/clds/v2/loop/create/%s?templateName=%s";
+    private static final String UPDATE = "/restservices/clds/v2/loop/updateMicroservicePolicy/";
+    private static final String DEPLOY = "/restservices/clds/v2/loop/deploy/";
+    private static final String STOP = "/restservices/clds/v2/loop/stop/";
+    private static final String DELETE = "/restservices/clds/v2/loop/delete/";
+    private static final String UNDEPLOY = "/restservices/clds/v2/loop/undeploy/";
+    public static final String STATUS_NOT_FOUND = "STATUS_NOT_FOUND";
+    public static final String POLICY_NOT_FOUND = "POLICY_NOT_FOUND";
+
+    /**
+     * Constructor.
+     */
+    public ClampHttpClient(RestServerParameters restServerParameters) {
+        super(restServerParameters);
+    }
+
+    /**
+     * Create.
+     *
+     * @param loopName the loopName
+     * @param templateName the templateName
+     * @return the Loop object or null if error occurred
+     */
+    public Loop create(String loopName, String templateName) {
+        return executePost(String.format(CREATE, loopName, templateName), HttpStatus.SC_OK);
+    }
+
+    /**
+     * Update.
+     *
+     * @param loopName the loopName
+     * @param jsonEntity the Json entity
+     * @return true
+     */
+    public boolean update(String loopName, String jsonEntity) {
+        return executePost(UPDATE + loopName, HttpStatus.SC_OK) != null;
+    }
+
+    /**
+     * Deploy.
+     *
+     * @param loopName the loopName
+     * @return true
+     */
+    public boolean deploy(String loopName) { // DCAE
+        return executePut(DEPLOY + loopName, HttpStatus.SC_ACCEPTED);
+    }
+
+    /**
+     * Get Status.
+     *
+     * @param loopName the loopName
+     * @return the Loop object or null if error occurred
+     */
+    public Loop getstatus(String loopName) {
+        return executeGet(STATUS + loopName, HttpStatus.SC_OK);
+    }
+
+    /**
+     * Undeploy.
+     *
+     * @param loopName the loopName
+     * @return true
+     */
+    public boolean undeploy(String loopName) {
+        return executePut(UNDEPLOY + loopName, HttpStatus.SC_ACCEPTED);
+    }
+
+    /**
+     * Stop.
+     *
+     * @param loopName the loopName
+     * @return true
+     */
+    public boolean stop(String loopName) {
+        return executePut(STOP + loopName, HttpStatus.SC_OK);
+    }
+
+    /**
+     * Delete.
+     *
+     * @param loopName the loopName
+     * @return true
+     */
+    public boolean delete(String loopName) {
+        return executePut(DELETE + loopName, HttpStatus.SC_OK);
+    }
+
+    /**
+     * return status from Loop object.
+     *
+     * @param loop Loop
+     * @return status
+     */
+    public static String getStatusCode(Loop loop) {
+        if (loop == null || loop.getComponents() == null || loop.getComponents().isEmpty()) {
+            return STATUS_NOT_FOUND;
+        }
+        ExternalComponent externalComponent = loop.getComponents().get("DCAE");
+        if (externalComponent == null || externalComponent.getComponentState() == null) {
+            return STATUS_NOT_FOUND;
+        }
+
+        return externalComponent.getComponentState().getStateName();
+    }
+}