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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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 com.att.nsa.mr.test.clients;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.TimeUnit;
import org.json.JSONObject;
import com.att.nsa.mr.client.MRBatchingPublisher;
import com.att.nsa.mr.client.MRClientFactory;
import com.att.nsa.mr.client.MRPublisher.message;
/**
* 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");
}
}
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