/*
* 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.jms.connection;
import com.caucho.jms.queue.*;
import com.caucho.jms.selector.Selector;
import com.caucho.jms.selector.SelectorParser;
import com.caucho.util.L10N;
import com.caucho.util.NullEnumeration;
import javax.jms.JMSException;
import javax.jms.Queue;
import javax.jms.QueueBrowser;
import java.util.Enumeration;
import java.util.logging.Logger;
/**
* A basic queue.
*/
public class QueueBrowserImpl implements QueueBrowser {
private static final Logger log
= Logger.getLogger(QueueBrowserImpl.class.getName());
static final L10N L = new L10N(QueueBrowserImpl.class);
private JmsSession _session;
protected AbstractQueue _queue;
private String _messageSelector;
private Selector _selector;
QueueBrowserImpl(JmsSession session, Queue queue, String messageSelector)
throws JMSException
{
_session = session;
_queue = (AbstractQueue) queue;
_messageSelector = messageSelector;
if (_messageSelector != null) {
SelectorParser parser = new SelectorParser();
_selector = parser.parse(messageSelector);
}
}
/**
* Returns the browser's queue.
*/
public Queue getQueue()
throws JMSException
{
return (Queue) _queue;
}
/**
* Returns the message selector.
*/
public String getMessageSelector()
throws JMSException
{
return _messageSelector;
}
/**
* Returns an enumeration of the matching messages.
*/
public Enumeration getEnumeration()
throws JMSException
{
/*
if (_session.isActive())
return _queue.getEnumeration(_selector);
else
return NullEnumeration.create();
*/
throw new UnsupportedOperationException();
}
public void close()
throws JMSException
{
}
}