Fixed a DMaaP Request Problem
[holmes/dsa.git] / dmaap-dsa / src / main / java / org / onap / holmes / dsa / dmaappolling / Subscriber.java
index 4d0b058..b67fc8f 100644 (file)
@@ -20,9 +20,14 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
+import java.util.UUID;
+
 import lombok.Getter;
 import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
 import org.onap.holmes.common.api.stat.VesAlarm;
 import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
 import org.onap.holmes.common.exception.CorrelationException;
@@ -31,6 +36,7 @@ import org.onap.holmes.common.utils.HttpsUtils;
 
 @Getter
 @Setter
+@Slf4j
 public class Subscriber {
 
     private DMaaPResponseUtil dMaaPResponseUtil = ServiceLocatorHolder.getLocator()
@@ -51,13 +57,14 @@ public class Subscriber {
      * The number of milliseconds to poll interval time. This should normally be used, and set at
      * 15000 or higher.
      */
-    private int period = 15000;
+    private int period = timeout;
 
     private boolean secure;
     private String topic;
     private String url;
-    private String consumerGroup = "homlesGroup1";
-    private String consumer = "homles1";
+    private String uuid = UUID.randomUUID() + "";
+    private String consumerGroup = "homlesGroup" + uuid;
+    private String consumer = "homles" + uuid;
     private String authInfo;
     private String authExpDate;
 
@@ -77,12 +84,24 @@ public class Subscriber {
 
     private List<String> getDMaaPData() throws Exception {
         String response;
+        CloseableHttpClient closeableHttpClient = null;
+        HttpGet httpGet = new HttpGet(url + "/" + consumerGroup + "/" + consumer + "?timeout=" + period);
         try {
+            closeableHttpClient = HttpsUtils.getHttpClient(timeout);
             HttpResponse httpResponse = HttpsUtils
-                    .get(url + "/" + consumerGroup + "/" + consumer, new HashMap<>(), timeout);
+                    .get(httpGet, new HashMap<>(), closeableHttpClient);
             response = HttpsUtils.extractResponseEntity(httpResponse);
         } catch (Exception e) {
             throw e;
+        } finally {
+            httpGet.releaseConnection();
+            if (closeableHttpClient != null) {
+                try {
+                    closeableHttpClient.close();
+                } catch (IOException e) {
+                    log.warn("Failed to close http client!");
+                }
+            }
         }
         return GsonUtil.jsonToBean(response, List.class);
     }