Refactor of prh-aai-client

Change-Id: Idbca6fe4c050c789f4479164846437039d3b549d
Issue-ID: DCAEGEN2-451
Signed-off-by: pwielebs <piotr.wielebski@nokia.com>

2 files changed, 57 insertions, 0 deletions

diff --git a/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/model/CommonFunctions.java b/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/model/CommonFunctions.java
index d5156e3a..f7f3d36a 100644
--- a/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/model/CommonFunctions.java
+++ b/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/model/CommonFunctions.java
@@ -22,9 +22,20 @@ package org.onap.dcaegen2.services.prh.model;
 
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.util.EntityUtils;
+import org.onap.dcaegen2.services.prh.model.utils.HttpUtils;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
+import java.io.IOException;
+import java.util.Optional;
+
 
 public class CommonFunctions {
 
+    private static Logger logger = LoggerFactory.getLogger(CommonFunctions.class);
+
     private static Gson gson = new GsonBuilder().create();
 
 
@@ -33,4 +44,19 @@ public class CommonFunctions {
     public static String createJsonBody(ConsumerDmaapModel consumerDmaapModel) {
         return gson.toJson(consumerDmaapModel);
     }
+
+    public static Optional<Integer> handleResponse(HttpResponse response) throws IOException {
+        final Integer responseCode = response.getStatusLine().getStatusCode();
+        logger.trace("Status code of operation: {}", responseCode);
+        final HttpEntity responseEntity = response.getEntity();
+
+        if (HttpUtils.isSuccessfulResponseCode(responseCode)) {
+            logger.trace("HTTP response successful.");
+            return Optional.of(responseCode);
+        } else {
+            String aaiResponse = responseEntity != null ? EntityUtils.toString(responseEntity) : "";
+            logger.warn("HTTP response not successful : {}", aaiResponse);
+            return Optional.of(responseCode);
+        }
+    }
 }
diff --git a/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/model/utils/HttpUtils.java b/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/model/utils/HttpUtils.java
new file mode 100644
index 00000000..b280949e
--- /dev/null
+++ b/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/model/utils/HttpUtils.java
@@ -0,0 +1,31 @@
+/*-
+ * ============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.prh.model.utils;
+
+import org.apache.http.HttpStatus;
+
+public final class HttpUtils implements HttpStatus {
+
+    private HttpUtils() {}
+
+    public static boolean isSuccessfulResponseCode(Integer statusCode) {
+        return statusCode >= 200 && statusCode < 300;
+    }
+}