/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
package org.apache.qpid.example;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.MapMessage;
import javax.jms.StreamMessage;
import javax.jms.MessageConsumer;
import javax.jms.Session;
import javax.jms.MessageEOFException;
import org.apache.qpid.client.AMQAnyDestination;
import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.jms.ListMessage;
import java.util.Enumeration;
import java.util.Iterator;
public class ListReceiver {
public static void main(String[] args) throws Exception
{
if (args.length != 1) {
System.out.println("Usage: java org.apache.qpid.example.ListReceiver <-l | -m | -s>");
System.out.println("where:");
System.out.println("\t-l\tAccept ListMessage and print it");
System.out.println("\t-m\tAccept ListMessage as a MapMessage");
System.out.println("\t-s\tAccept ListMessage as a StreamMessage");
return;
}
Connection connection =
new AMQConnection("amqp://guest:guest@test/?brokerlist='tcp://localhost:5672'");
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Destination queue = new AMQAnyDestination("ADDR:message_queue; {create: always}");
MessageConsumer consumer = session.createConsumer(queue);
if (args[0].equals("-l")) {
System.out.println("Receiving as ListMessage");
ListMessage m = (ListMessage)consumer.receive();
System.out.println(m);
System.out.println("==========================================");
System.out.println("Printing list contents:");
Iterator i = m.iterator();
while(i.hasNext())
System.out.println(i.next());
}
else if (args[0].equals("-m")) {
System.out.println("Receiving as MapMessage");
MapMessage m = (MapMessage)consumer.receive();
System.out.println(m);
System.out.println("==========================================");
System.out.println("Printing map contents:");
Enumeration keys = m.getMapNames();
while(keys.hasMoreElements()) {
String key = (String)keys.nextElement();
System.out.println(key + " => " + m.getObject(key));
}
}
else if (args[0].equals("-s")) {
System.out.println("Receiving as StreamMessage");
StreamMessage m = (StreamMessage)consumer.receive();
System.out.println(m);
System.out.println("==========================================");
System.out.println("Printing stream contents:");
try {
while(true)
System.out.println(m.readObject());
}
catch (MessageEOFException e) {
// DONE
}
}
connection.close();
}
}