/*
* JORAM: Java(TM) Open Reliable Asynchronous Messaging
* Copyright (C) 2003 - 2009 ScalAgent Distributed Technologies
* Copyright (C) 2004 France Telecom R&D
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Initial developer(s): Frederic Maistre (INRIA)
* Contributor(s): ScalAgent Distributed Technologies
*/
package org.objectweb.joram.client.jms.tcp;
import java.util.Timer;
import javax.jms.IllegalStateException;
import javax.jms.JMSException;
import javax.jms.JMSSecurityException;
import org.objectweb.joram.client.jms.FactoryParameters;
import org.objectweb.joram.client.jms.connection.RequestChannel;
import org.objectweb.joram.shared.client.AbstractJmsReply;
import org.objectweb.joram.shared.client.AbstractJmsRequest;
import org.objectweb.joram.shared.security.Identity;
import org.objectweb.util.monolog.api.BasicLevel;
import org.objectweb.util.monolog.api.Logger;
import fr.dyade.aaa.common.Debug;
/**
* A <code>TcpConnection</code> links a Joram client and a Joram platform
* with a TCP socket.
* <p>
* Requests and replies travel through the socket after serialization.
*/
public class TcpRequestChannel implements RequestChannel {
private static Logger logger = Debug.getLogger(TcpRequestChannel.class.getName());
private ReliableTcpClient tcpClient = null;
/**
* Creates a <code>TcpConnection</code> instance.
*
* @param params Factory parameters.
* @param identity
*
* @exception JMSSecurityException If the user identification is incorrect.
* @exception IllegalStateException If the server is not reachable.
*/
public TcpRequestChannel(FactoryParameters params,
Identity identity) throws JMSException {
this(params, identity, "org.objectweb.joram.client.jms.tcp.ReliableTcpClient");
}
/**
* Creates a <code>TcpConnection</code> instance.
*
* @param params Factory parameters.
* @param identity
* @param reliableClass reliable class name.
*
* @exception JMSSecurityException If the user identification is incorrect.
* @exception IllegalStateException If the server is not reachable.
*/
public TcpRequestChannel(FactoryParameters params,
Identity identity,
String reliableClass) throws JMSException {
if (logger.isLoggable(BasicLevel.DEBUG))
logger.log(BasicLevel.DEBUG,
"TcpConnection.<init>(" + params + ',' + identity + ',' + reliableClass +')');
if (reliableClass == null || reliableClass.equals("") || reliableClass.length() < 1) {
reliableClass = "org.objectweb.joram.client.jms.tcp.ReliableTcpClient";
}
try {
tcpClient = (ReliableTcpClient) Class.forName(reliableClass).newInstance();
} catch (ClassNotFoundException exc) {
JMSException jmsExc = new JMSException("TcpConnection: ClassNotFoundException : " + reliableClass);
jmsExc.setLinkedException(exc);
throw jmsExc;
} catch (InstantiationException exc) {
JMSException jmsExc = new JMSException("TcpConnection: InstantiationException : " + reliableClass);
jmsExc.setLinkedException(exc);
throw jmsExc;
} catch (IllegalAccessException exc) {
JMSException jmsExc = new JMSException("TcpConnection: IllegalAccessException : " + reliableClass);
jmsExc.setLinkedException(exc);
throw jmsExc;
}
tcpClient.init(params, identity, params.cnxPendingTimer > 0);
tcpClient.addServerAddress(params.getHost(), params.getPort());
}
public void setTimer(Timer timer) {
tcpClient.setTimer(timer);
}
public void connect() throws Exception {
tcpClient.connect();
}
/**
* Sending a JMS request through the TCP connection.
*
* @exception IllegalStateException If the connection is broken.
*/
public synchronized void send(AbstractJmsRequest request) throws Exception {
tcpClient.send(request);
}
public AbstractJmsReply receive() throws Exception {
return (AbstractJmsReply)tcpClient.receive();
}
/** Closes the TCP connection. */
public void close() {
tcpClient.close();
}
public String toString() {
return '(' + super.toString() + ",tcpClient=" + tcpClient + ')';
}
public void closing() {
tcpClient.stopReconnections();
}
}