[DMAAP-CLIENT] First sonar issues review part2

[dmaap/messagerouter/dmaapclient.git] / src / test / java / org / onap / dmaap / mr / test / clients / SimpleExampleConsumer.java

diff --git a/src/test/java/org/onap/dmaap/mr/test/clients/SimpleExampleConsumer.java b/src/test/java/org/onap/dmaap/mr/test/clients/SimpleExampleConsumer.java
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+/*******************************************************************************
+ *  ============LICENSE_START=======================================================
+ *  org.onap.dmaap
+ *  ================================================================================
+ *  Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ *  ================================================================================
+ *  Modifications Copyright © 2021 Orange.
+ *  ================================================================================
+ *  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=========================================================
+ *
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ *
+ *******************************************************************************/
+
+package org.onap.dmaap.mr.test.clients;
+
+import org.onap.dmaap.mr.client.MRClientFactory;
+import org.onap.dmaap.mr.client.MRConsumer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.util.Properties;
+
+public class SimpleExampleConsumer {
+
+    static FileWriter routeWriter = null;
+    static Properties props = null;
+    static FileReader routeReader = null;
+
+    public static void main(String[] args) {
+        final Logger logger = LoggerFactory.getLogger(SimpleExampleConsumer.class);
+
+        long count = 0;
+        long nextReport = 5000;
+
+        final long startMs = System.currentTimeMillis();
+
+        try {
+            String routeFilePath = "/src/main/resources/dme2/preferredRoute.txt";
+
+            File fo = new File(routeFilePath);
+            if (!fo.exists()) {
+                routeWriter = new FileWriter(new File(routeFilePath));
+            }
+            routeReader = new FileReader(new File(routeFilePath));
+            props = new Properties();
+            final MRConsumer cc = MRClientFactory.createConsumer("/src/main/resources/dme2/consumer.properties");
+            int i = 0;
+            while (i < 10) {
+                Thread.sleep(2);
+                i++;
+                for (String msg : cc.fetch()) {
+
+                    System.out.println(msg);
+                }
+
+                if (count > nextReport) {
+                    nextReport += 5000;
+
+                    final long endMs = System.currentTimeMillis();
+                    final long elapsedMs = endMs - startMs;
+                    final double elapsedSec = elapsedMs / 1000.0;
+                    final double eps = count / elapsedSec;
+                    System.out.println("Consumed " + count + " in " + elapsedSec + "; " + eps + " eps");
+                }
+            }
+        } catch (InterruptedException e) {
+            logger.error("Interrupted!", e);
+            // Restore interrupted state...
+            Thread.currentThread().interrupt();
+        } catch (Exception x) {
+            System.err.println(x.getClass().getName() + ": " + x.getMessage());
+            logger.error("exception: ", x);
+        }
+    }
+}