/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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 (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.remote.group.impl;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.remote.group.Message;
import org.exoplatform.services.remote.group.MessageHandler;
import org.exoplatform.services.remote.group.MessageHandlerMonitor;
import org.jgroups.blocks.RequestHandler;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* @author Tuan Nguyen (tuan08@users.sourceforge.net)
* @since Mar 4, 2005
* @version $Id: RequestHandlerImpl.java 5799 2006-05-28 17:55:42Z geaz $
*/
public class RequestHandlerImpl implements RequestHandler
{
private Map messageHandlers_ = new HashMap();
private static final Log LOG = ExoLogger.getLogger("exo.kernel.component.remote.RequestHandlerImpl");
public RequestHandlerImpl()
{
}
public void registerMessageHandler(MessageHandler handler)
{
messageHandlers_.put(handler.getIdentifier(), handler);
}
public Object handle(org.jgroups.Message jmessage)
{
Message message = (Message)jmessage.getObject();
String handlerId = message.getTargetHandler();
MessageHandler handler = (MessageHandler)messageHandlers_.get(handlerId);
MessageHandlerMonitor monitor = handler.getMonitor();
if (handler != null)
{
try
{
monitor.addMessageCounter(1);
return handler.handle(message);
}
catch (Exception ex)
{
monitor.setLastError(ex);
LOG.error("Error :", ex);
return null;
}
}
LOG.info("Cannot finf the message handler for the request handler: " + handlerId);
return null;
}
public List getMessageHandlerMonitors()
{
List monitors = new ArrayList();
Iterator i = messageHandlers_.values().iterator();
while (i.hasNext())
{
MessageHandler handler = (MessageHandler)i.next();
monitors.add(handler.getMonitor());
}
return monitors;
}
}