1 /*******************************************************************************
2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 * ============LICENSE_END=========================================================
19 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
21 *******************************************************************************/
23 package org.onap.dmaap.mr.test.clients;
26 import java.io.FileReader;
27 import java.io.FileWriter;
28 import java.io.IOException;
29 import java.util.List;
30 import java.util.Properties;
31 import java.util.concurrent.TimeUnit;
33 import org.json.JSONObject;
35 import org.onap.dmaap.mr.client.MRBatchingPublisher;
36 import org.onap.dmaap.mr.client.MRClientFactory;
37 import org.onap.dmaap.mr.client.MRPublisher.message;
40 * An example of how to use the Java publisher.
43 public class SimpleExamplePublisher
45 static FileWriter routeWriter= null;
46 static Properties props=null;
47 static FileReader routeReader=null;
48 public void publishMessage ( String producerFilePath ) throws IOException, InterruptedException, Exception
51 // create our publisher
52 final MRBatchingPublisher pub = MRClientFactory.createBatchingPublisher (producerFilePath);
53 // publish some messages
54 final JSONObject msg1 = new JSONObject ();
55 msg1.put ( "Name", "Sprint" );
57 pub.send ( "First cambria messge" );
58 pub.send ( "MyPartitionKey", msg1.toString () );
60 final JSONObject msg2 = new JSONObject ();
66 // close the publisher to make sure everything's sent before exiting. The batching
67 // publisher interface allows the app to get the set of unsent messages. It could
68 // write them to disk, for example, to try to send them later.
69 final List<message> stuck = pub.close ( 20, TimeUnit.SECONDS );
70 if ( stuck.isEmpty() )
72 System.err.println ( stuck.size() + " messages unsent" );
76 System.out.println ( "Clean exit; all messages sent." );
80 public static void main(String []args) throws InterruptedException, Exception{
82 String routeFilePath="/src/main/resources/dme2/preferredRoute.txt";
84 SimpleExamplePublisher publisher = new SimpleExamplePublisher();
87 File fo= new File(routeFilePath);
89 routeWriter=new FileWriter(new File (routeFilePath));
91 routeReader= new FileReader(new File (routeFilePath));
92 props= new Properties();
93 publisher.publishMessage("/src/main/resources/dme2/producer.properties");