/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.log;
import com.caucho.config.ConfigException;
import com.caucho.config.types.*;
import com.caucho.log.*;
import com.caucho.util.L10N;
import com.caucho.vfs.*;
import javax.annotation.PostConstruct;
import javax.management.*;
import javax.jms.*;
import java.io.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.logging.Logger;
import java.util.logging.LogRecord;
import java.util.logging.Level;
import java.util.logging.Filter;
import java.util.logging.Formatter;
import java.util.logging.Handler;
/**
* Sends formatted messages to JMS queue/topic
*/
public class JmsHandler extends Handler {
private static final Logger log
= Logger.getLogger(JmsHandler.class.getName());
private static final L10N L = new L10N(JmsHandler.class);
private ConnectionFactory _factory;
private Connection _conn;
private Session _session;
private ArrayList<Destination> _destinationList
= new ArrayList<Destination>();
private ArrayList<BlockingQueue> _queueList
= new ArrayList<BlockingQueue>();
public JmsHandler()
{
}
/**
* Sets the connection factory
*/
public void setConnectionFactory(ConnectionFactory factory)
{
_factory = factory;
}
/**
* Adds a target (queue or jms destination)
*/
public void addTarget(Destination target)
{
if (target instanceof BlockingQueue)
_queueList.add((BlockingQueue) target);
else
_destinationList.add(target);
}
/**
* Initialize the handler
*/
@PostConstruct
public void init()
throws ConfigException
{
try {
if (_destinationList.size() > 0 && _factory == null)
throw new ConfigException(L.l("jms: log handler requires a connection-factory"));
if (_destinationList.size() > 0) {
_conn = _factory.createConnection();
_session = _conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
}
} catch (JMSException e) {
throw ConfigException.create(e);
}
}
/**
* Publishes the record.
*/
public void publish(LogRecord record)
{
if (! isLoggable(record))
return;
Filter filter = getFilter();
if (filter != null && ! filter.isLoggable(record))
return;
try {
String value;
Formatter formatter = getFormatter();
if (formatter != null)
value = formatter.format(record);
else
value = record.getMessage();
for (BlockingQueue queue : _queueList) {
queue.offer(value);
}
if (_session != null) {
synchronized (_session) {
//
}
}
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Flushes the buffer.
*/
public void flush()
{
}
/**
* Closes the handler.
*/
public void close()
{
}
public String toString()
{
if (_queueList.size() > 0)
return getClass().getSimpleName() + _queueList;
else
return getClass().getSimpleName() + _destinationList;
}
}