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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* 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.
*
*/
package org.apache.qpid.management;
import org.apache.qpid.AMQException;
import org.apache.qpid.url.URLSyntaxException;
import org.apache.qpid.management.messaging.ManagementDestination;
import org.apache.qpid.jms.Session;
import org.apache.qpid.jms.MessageProducer;
import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.client.AMQQueue;
import org.apache.log4j.Logger;
import javax.jms.*;
public class ManagementConnection
{
private static final Logger _log = Logger.getLogger(ManagementConnection.class);
private String _brokerHost;
private int _brokerPort;
private String _username;
private String _password;
private String _virtualPath;
private AMQConnection _connection;
private Session _session;
private MessageConsumer _consumer;
private MessageProducer _producer;
private AMQQueue _replyQueue;
public ManagementConnection(String brokerHost, int brokerPort, String username,
String password, String virtualPath)
{
_brokerHost = brokerHost;
_brokerPort = brokerPort;
_username = username;
_password = password;
_virtualPath = virtualPath;
}
public void connect() throws AMQException, JMSException, URLSyntaxException
{
_connection = new AMQConnection(_brokerHost, _brokerPort, _username, _password,
"clientName" + System.currentTimeMillis(), _virtualPath);
_connection.setExceptionListener(new ExceptionListener()
{
public void onException(JMSException jmsException)
{
_log.error("Error occurred: " + jmsException, jmsException);
try
{
_connection.close();
}
catch (JMSException e)
{
_log.error("Error closing connection: " + e, e);
}
}
});
_session = (Session)_connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
_replyQueue = new AMQQueue("response", true)
{
public String getEncodedName()
{
return getQueueName();
}
};
_consumer = _session.createConsumer(_replyQueue, 100, true, true, null);
_producer = (MessageProducer) _session.createProducer(new ManagementDestination());
_connection.start();
}
/**
* Send a request and wait for a response.
* @param xmlRequest the request to send
* @return the response received from the broker
* @throws AMQException when an AMQ error occurs
* @throws JMSException when a JMS error occurs
*/
public TextMessage sendRequest(String xmlRequest) throws AMQException, JMSException
{
TextMessage requestMsg = _session.createTextMessage(xmlRequest);
requestMsg.setJMSReplyTo(_replyQueue);
_producer.send(requestMsg);
return (TextMessage) _consumer.receive();
}
public void close() throws AMQException, JMSException
{
if (_connection != null)
{
_connection.close();
}
}
}
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