1 files changed, 52 insertions, 0 deletions
diff --git a/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/CommonMethods.java b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/CommonMethods.java
new file mode 100644
index 00000000..fe792809
--- /dev/null
+++ b/prh-dmaap-client/src/main/java/org/onap/dcaegen2/services/service/CommonMethods.java
@@ -0,0 +1,52 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcaegen2.services.service;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.client.ResponseHandler;
+import org.apache.http.util.EntityUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Optional;
+
+public class CommonMethods {
+
+    private static Logger logger = LoggerFactory.getLogger(CommonMethods.class);
+
+    private CommonMethods() {}
+
+    public static ResponseHandler<Optional<String>> dmaapResponseHandler() {
+        return httpResponse ->  {
+            final int responseCode = httpResponse.getStatusLine().getStatusCode();
+            final HttpEntity responseEntity = httpResponse.getEntity();
+
+            if (HttpUtils.isSuccessfulResponseCode(responseCode) && responseEntity != null) {
+                logger.info("HTTP response successful.");
+                final String response = EntityUtils.toString(responseEntity);
+                return Optional.of(response);
+            } else {
+                String response = responseEntity != null ? EntityUtils.toString(responseEntity) : "";
+                logger.error("HTTP response not successful : {}", response);
+                return Optional.empty();
+            }
+        };
+    }
+}