/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.richfaces.application.push.impl;
import java.util.concurrent.ThreadFactory;
import javax.faces.FacesException;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.PreDestroyApplicationEvent;
import javax.faces.event.SystemEvent;
import javax.faces.event.SystemEventListener;
import org.richfaces.application.configuration.ConfigurationServiceHelper;
import org.richfaces.application.push.PushContext;
import org.richfaces.application.push.SessionFactory;
import org.richfaces.application.push.SessionManager;
import org.richfaces.application.push.TopicsContext;
import org.richfaces.application.push.impl.jms.JMSTopicsContextImpl;
import org.richfaces.application.CoreConfiguration;
import org.richfaces.log.Logger;
import org.richfaces.log.RichfacesLogger;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
/**
* {@inheritDoc}
*
* @author Nick Belaevski
*
* @see PushContext
*/
public class PushContextImpl implements PushContext, SystemEventListener {
private static final ThreadFactory PUBLISH_THREAD_FACTORY = new ThreadFactoryBuilder().setDaemon(true)
.setNameFormat("push-publish-thread-%1$s").build();
private static final ThreadFactory SESSION_MANAGER_THREAD_FACTORY = new ThreadFactoryBuilder().setDaemon(true)
.setNameFormat("push-session-manager-thread-%1$s").build();
private static final Logger LOGGER = RichfacesLogger.APPLICATION.getLogger();
private String pushHandlerUrl;
private TopicsContextImpl topicsContext;
private SessionManager sessionManager;
private SessionFactory sessionFactory;
public PushContextImpl(String pushHandlerUrl) {
super();
this.pushHandlerUrl = pushHandlerUrl;
}
/*
* (non-Javadoc)
*
* @see org.richfaces.application.push.PushContext#init(javax.faces.context.FacesContext)
*/
@Override
public void init(FacesContext facesContext) {
try {
facesContext.getApplication().subscribeToEvent(PreDestroyApplicationEvent.class, this);
boolean isJmsEnabled = isJmsEnabled(facesContext);
if (isJmsEnabled) {
topicsContext = JMSTopicsContextImpl.getInstanceInitializedFromContext(PUBLISH_THREAD_FACTORY, facesContext);
} else {
topicsContext = new TopicsContextImpl(PUBLISH_THREAD_FACTORY);
}
sessionManager = new SessionManagerImpl(SESSION_MANAGER_THREAD_FACTORY);
sessionFactory = new SessionFactoryImpl(sessionManager, topicsContext);
facesContext.getExternalContext().getApplicationMap().put(INSTANCE_KEY_NAME, this);
} catch (Exception e) {
throw new FacesException(e.getMessage(), e);
}
}
/*
* (non-Javadoc)
*
* @see org.richfaces.application.push.PushContext#destroy()
*/
@Override
public void destroy() {
try {
sessionManager.destroy();
sessionManager = null;
} catch (Exception e) {
LOGGER.error(e.getMessage(), e);
}
try {
topicsContext.destroy();
topicsContext = null;
} catch (Exception e) {
LOGGER.error(e.getMessage(), e);
}
}
/**
* Destroyes this push context before the application is destroyed
*/
@Override
public void processEvent(SystemEvent event) throws AbortProcessingException {
if (event instanceof PreDestroyApplicationEvent) {
destroy();
} else {
throw new IllegalArgumentException(event.getClass().getName());
}
}
@Override
public boolean isListenerForSource(Object source) {
return true;
}
private boolean isJmsEnabled(FacesContext facesContext) {
Boolean jmsEnabled = ConfigurationServiceHelper.getBooleanConfigurationValue(facesContext,
CoreConfiguration.Items.pushJMSEnabled);
jmsEnabled = (jmsEnabled == null) ? false : jmsEnabled;
return jmsEnabled;
}
/*
* (non-Javadoc)
*
* @see org.richfaces.application.push.PushContext#getTopicsContext()
*/
@Override
public TopicsContext getTopicsContext() {
return topicsContext;
}
/*
* (non-Javadoc)
*
* @see org.richfaces.application.push.PushContext#getSessionFactory()
*/
@Override
public SessionFactory getSessionFactory() {
return sessionFactory;
}
/*
* (non-Javadoc)
*
* @see org.richfaces.application.push.PushContext#getSessionManager()
*/
@Override
public SessionManager getSessionManager() {
return sessionManager;
}
/*
* (non-Javadoc)
* @see org.richfaces.application.push.PushContext#getPushHandlerUrl()
*/
@Override
public String getPushHandlerUrl() {
return pushHandlerUrl;
}
}