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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.json.JSONObject;
+import org.onap.dmaap.mr.client.MRBatchingPublisher;
+import org.onap.dmaap.mr.client.MRClientFactory;
+import org.onap.dmaap.mr.client.MRPublisher.Message;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.List;
+import java.util.Properties;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * An example of how to use the Java publisher.
+ *
+ * @author author
+ */
+public class SimpleExamplePublisher {
+    static FileWriter routeWriter = null;
+    static Properties props = null;
+    static FileReader routeReader = null;
+
+    public void publishMessage(String producerFilePath) throws IOException, InterruptedException, Exception {
+
+        // create our publisher
+        final MRBatchingPublisher pub = MRClientFactory.createBatchingPublisher(producerFilePath);
+        // publish some messages
+        final JSONObject msg1 = new JSONObject();
+        msg1.put("Name", "Sprint");
+
+        pub.send("First cambria messge");
+        pub.send("MyPartitionKey", msg1.toString());
+
+        final JSONObject msg2 = new JSONObject();
+
+
+        // ...
+
+        // close the publisher to make sure everything's sent before exiting. The batching
+        // publisher interface allows the app to get the set of unsent messages. It could
+        // write them to disk, for example, to try to send them later.
+        final List<Message> stuck = pub.close(20, TimeUnit.SECONDS);
+        if (stuck.isEmpty()) {
+            System.err.println(stuck.size() + " messages unsent");
+        } else {
+            System.out.println("Clean exit; all messages sent.");
+        }
+    }
+
+    public static void main(String[] args) throws InterruptedException, Exception {
+
+        String routeFilePath = "/src/main/resources/dme2/preferredRoute.txt";
+
+        SimpleExamplePublisher publisher = new SimpleExamplePublisher();
+
+
+        File fo = new File(routeFilePath);
+        if (!fo.exists()) {
+            routeWriter = new FileWriter(new File(routeFilePath));
+        }
+        routeReader = new FileReader(new File(routeFilePath));
+        props = new Properties();
+        publisher.publishMessage("/src/main/resources/dme2/producer.properties");
+    }
+
+}
+