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diff --git a/src/test/java/org/onap/dmaap/mr/test/clients/SamplePublisher.java b/src/test/java/org/onap/dmaap/mr/test/clients/SamplePublisher.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.json.JSONObject;
+import org.onap.dmaap.mr.client.MRBatchingPublisher;
+import org.onap.dmaap.mr.client.MRClientBuilders.PublisherBuilder;
+import org.onap.dmaap.mr.client.MRPublisher.Message;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+public class SamplePublisher {
+    public static void main(String[] args) throws IOException, InterruptedException {
+        final Logger logger = LoggerFactory.getLogger(SampleConsumer.class);
+        // read the hosts(s) from the command line
+        final String hosts = (args.length > 0 ? args[0] : "localhost:8181");
+
+        // read the topic name from the command line
+
+        final String topic = (args.length > 1 ? args[1] : "org.onap.dmaap.mr.testingTopic");
+
+        // set up some batch limits and the compression flag
+        final int maxBatchSize = 100;
+        final int maxAgeMs = 250;
+        final boolean withGzip = false;
+
+        // create our publisher
+
+        final MRBatchingPublisher pub = new PublisherBuilder().
+                usingHosts(hosts).
+                onTopic(topic).limitBatch(maxBatchSize, maxAgeMs).
+                authenticatedBy("CG0TXc2Aa3v8LfBk", "pj2rhxJWKP23pgy8ahMnjH88").
+                build();
+        // publish some messages
+        final JSONObject msg1 = new JSONObject();
+        msg1.put("name", "tttttttttttttttt");
+        msg1.put("greeting", "ooooooooooooooooo");
+        pub.send("MyPartitionKey", msg1.toString());
+
+        final JSONObject msg2 = new JSONObject();
+        msg2.put("now", System.currentTimeMillis());
+        pub.send("MyOtherPartitionKey", msg2.toString());
+
+        // ...
+
+        // 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()) {
+            logger.warn(stuck.size() + " messages unsent");
+        } else {
+            logger.info("Clean exit; all messages sent.");
+        }
+    }
+}