com.liferay.portal.kernel.messaging.InvokerMessageListener Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* 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 (at your option)
* 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.
*/
package com.liferay.portal.kernel.messaging;
/**
* @author Michael C. Han
*/
public class InvokerMessageListener implements MessageListener {
public InvokerMessageListener(MessageListener messageListener) {
this(messageListener, Thread.currentThread().getContextClassLoader());
}
public InvokerMessageListener(
MessageListener messageListener, ClassLoader classLoader) {
_messageListener = messageListener;
_classLoader = classLoader;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof InvokerMessageListener)) {
return false;
}
InvokerMessageListener messageListenerInvoker =
(InvokerMessageListener)obj;
return _messageListener.equals(
messageListenerInvoker.getMessageListener());
}
public ClassLoader getClassLoader() {
return _classLoader;
}
public MessageListener getMessageListener() {
return _messageListener;
}
@Override
public int hashCode() {
return _messageListener.hashCode();
}
@Override
public void receive(Message message) throws MessageListenerException {
Thread currentThread = Thread.currentThread();
ClassLoader contextClassLoader = currentThread.getContextClassLoader();
if (_classLoader != null) {
currentThread.setContextClassLoader(_classLoader);
}
try {
_messageListener.receive(message);
}
finally {
if (_classLoader != null) {
currentThread.setContextClassLoader(contextClassLoader);
}
}
}
@Override
public String toString() {
return _messageListener.toString();
}
private final ClassLoader _classLoader;
private final MessageListener _messageListener;
}