1 /*******************************************************************************
2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Modifications Copyright © 2021 Orange.
8 * ================================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
23 *******************************************************************************/
25 package org.onap.dmaap.mr.test.clients;
27 import org.json.JSONObject;
28 import org.onap.dmaap.mr.client.MRBatchingPublisher;
29 import org.onap.dmaap.mr.client.MRClientFactory;
30 import org.onap.dmaap.mr.client.MRPublisher.Message;
33 import java.io.FileReader;
34 import java.io.FileWriter;
35 import java.io.IOException;
36 import java.util.List;
37 import java.util.Properties;
38 import java.util.concurrent.TimeUnit;
41 * An example of how to use the Java publisher.
45 public class SimpleExamplePublisher {
46 static FileWriter routeWriter = null;
47 static Properties props = null;
48 static FileReader routeReader = null;
50 public void publishMessage(String producerFilePath) throws IOException, InterruptedException, Exception {
52 // create our publisher
53 final MRBatchingPublisher pub = MRClientFactory.createBatchingPublisher(producerFilePath);
54 // publish some messages
55 final JSONObject msg1 = new JSONObject();
56 msg1.put("Name", "Sprint");
58 pub.send("First cambria messge");
59 pub.send("MyPartitionKey", msg1.toString());
61 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()) {
71 System.err.println(stuck.size() + " messages unsent");
73 System.out.println("Clean exit; all messages sent.");
77 public static void main(String[] args) throws InterruptedException, Exception {
79 String routeFilePath = "/src/main/resources/dme2/preferredRoute.txt";
81 SimpleExamplePublisher publisher = new SimpleExamplePublisher();
84 File fo = new File(routeFilePath);
86 routeWriter = new FileWriter(new File(routeFilePath));
88 routeReader = new FileReader(new File(routeFilePath));
89 props = new Properties();
90 publisher.publishMessage("/src/main/resources/dme2/producer.properties");