1 files changed, 76 insertions, 0 deletions
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/acm/participant/policy/client/AbstractHttpClient.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/acm/participant/policy/client/AbstractHttpClient.java
new file mode 100644
index 000000000..4920d6550
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/acm/participant/policy/client/AbstractHttpClient.java
@@ -0,0 +1,76 @@
+/*-
+ * ============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.acm.participant.policy.client;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.Map;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+import org.onap.policy.clamp.common.acm.exception.AutomationCompositionRuntimeException;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
+import org.onap.policy.common.endpoints.http.client.HttpClient;
+import org.onap.policy.common.endpoints.http.client.HttpClientFactoryInstance;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public abstract class AbstractHttpClient implements Closeable {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(AbstractHttpClient.class);
+    private final HttpClient httpclient;
+
+    /**
+     * Constructor.
+     *
+     * @param policyParticipantParameters the parameters for the policy participant
+     * @throws AutomationCompositionRuntimeException on client start errors
+     */
+    protected AbstractHttpClient(BusTopicParams policyParticipantParameters) {
+        try {
+            httpclient = HttpClientFactoryInstance.getClientFactory().build(policyParticipantParameters);
+        } catch (final Exception e) {
+            throw new AutomationCompositionRuntimeException(Status.INTERNAL_SERVER_ERROR, " Client failed to start", e);
+        }
+    }
+
+    protected Response executePost(String path, final Entity<?> entity) {
+        var response = httpclient.post(path, entity, Map.of(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON,
+            HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON));
+        if (response.getStatus() / 100 != 2) {
+            LOGGER.error("Invocation of path {} failed for entity {}. Response status: {}, Response status info: {}",
+                path, entity, response.getStatus(), response.getStatusInfo());
+        }
+        return response;
+    }
+
+    protected Response executeDelete(String path) {
+        return httpclient.delete(path, Collections.emptyMap());
+    }
+
+    @Override
+    public void close() throws IOException {
+        httpclient.shutdown();
+    }
+}