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This is the master POM file for Sun's Implementation of
the JSF 1.2 Specification.
The newest version!
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.faces.application;
import com.sun.faces.config.WebConfiguration;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.List;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextAttributeEvent;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletRequest;
import javax.servlet.ServletRequestAttributeEvent;
import javax.servlet.ServletRequestEvent;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionBindingEvent;
import javax.servlet.http.HttpSessionEvent;
import com.sun.faces.el.ELUtils;
import com.sun.faces.io.FastStringWriter;
import com.sun.faces.mgbean.BeanManager;
import com.sun.faces.util.FacesLogger;
import com.sun.faces.scripting.GroovyHelper;
/**
* Central location for web application lifecycle events.
*
The main purpose of this class is detect when we
* should be invoking methods marked with the
* @PreDestroy annotation.
*/
public class WebappLifecycleListener {
// Log instance for this class
private static final Logger LOGGER = FacesLogger.APPLICATION.getLogger();
private ServletContext servletContext;
private ApplicationAssociate applicationAssociate;
private List activeSessions;
// ------------------------------------------------------------ Constructors
public WebappLifecycleListener() { }
public WebappLifecycleListener(ServletContext servletContext) {
this.servletContext = servletContext;
}
/**
* The request is about to go out of scope of the web application.
*
* @param event the notification event
*/
public void requestDestroyed(ServletRequestEvent event) {
ServletRequest request = event.getServletRequest();
for (Enumeration e = request.getAttributeNames(); e.hasMoreElements(); ) {
String beanName = (String)e.nextElement();
handleAttributeEvent(beanName,
request.getAttribute(beanName),
ELUtils.Scope.REQUEST);
}
WebConfiguration config = WebConfiguration.getInstance(event.getServletContext());
if (config.isOptionEnabled(WebConfiguration.BooleanWebContextInitParameter.EnableAgressiveSessionDirtying)) {
syncSessionScopedBeans(request);
}
ApplicationAssociate.setCurrentInstance(null);
}
/**
* The request is about to come into scope of the web application.
*
* @param event the notification event
*/
public void requestInitialized(ServletRequestEvent event) {
ApplicationAssociate associate = getAssociate();
if (associate != null) {
ApplicationAssociate.setCurrentInstance(associate);
if (associate.isDevModeEnabled()) {
GroovyHelper helper = associate.getGroovyHelper();
if (helper != null) {
helper.setClassLoader();
}
}
}
}
/**
* Notification that a session is about to be invalidated.
*
* @param event the notification event
*/
public void sessionDestroyed(HttpSessionEvent event) {
HttpSession session = event.getSession();
for (Enumeration e = session.getAttributeNames(); e.hasMoreElements(); ) {
String beanName = (String)e.nextElement();
handleAttributeEvent(beanName,
session.getAttribute(beanName),
ELUtils.Scope.SESSION);
}
}
public void sessionCreated(HttpSessionEvent event) {
ApplicationAssociate associate = getAssociate();
if (associate != null && associate.isDevModeEnabled()) {
if (activeSessions == null) {
activeSessions = new ArrayList();
}
activeSessions.add(event.getSession());
}
}
/**
* Notification that an existing attribute has been removed from the
* servlet request. Called after the attribute is removed.
* @param event the notification event
*/
public void attributeRemoved(ServletRequestAttributeEvent event) {
handleAttributeEvent(event.getName(),
event.getValue(),
ELUtils.Scope.REQUEST);
}
/**
* Notification that an attribute was replaced on the
* servlet request. Called after the attribute is replaced.
*
* @param event the notification event
*/
public void attributeReplaced(ServletRequestAttributeEvent event) {
String attrName = event.getName();
Object newValue = event.getServletRequest().getAttribute(attrName);
// perhaps a bit paranoid, but since the javadocs are a bit vague,
// only handle the event if oldValue and newValue are not the
// exact same object
//noinspection ObjectEquality
if (event.getValue() != newValue) {
handleAttributeEvent(attrName,
event.getValue(),
ELUtils.Scope.REQUEST);
}
}
/**
* Notification that an attribute has been removed from a session.
* Called after the attribute is removed.
*
* @param event the nofication event
*/
public void attributeRemoved(HttpSessionBindingEvent event) {
handleAttributeEvent(event.getName(),
event.getValue(),
ELUtils.Scope.SESSION);
}
/**
* Notification that an attribute has been replaced in a session.
* Called after the attribute is replaced.
*
* @param event the notification event
*/
public void attributeReplaced(HttpSessionBindingEvent event) {
HttpSession session = event.getSession();
String attrName = event.getName();
Object newValue = session.getAttribute(attrName);
// perhaps a bit paranoid, but since the javadocs are a bit vague,
// only handle the event if oldValue and newValue are not the
// exact same object
//noinspection ObjectEquality
if (event.getValue() != newValue) {
handleAttributeEvent(attrName,
event.getValue(),
ELUtils.Scope.SESSION);
}
}
/**
* Notification that an existing attribute has been removed from the servlet context.
* Called after the attribute is removed.
*
* @param event the notification event
*/
public void attributeRemoved(ServletContextAttributeEvent event) {
handleAttributeEvent(event.getName(),
event.getValue(),
ELUtils.Scope.APPLICATION);
}
/**
* Notification that an attribute on the servlet context has been replaced.
* Called after the attribute is replaced.
*
* @param event the notification event
*/
public void attributeReplaced(ServletContextAttributeEvent event) {
ServletContext context = event.getServletContext();
String attrName = event.getName();
Object newValue = context.getAttribute(attrName);
// perhaps a bit paranoid, but since the javadocs are a bit vague,
// only handle the event if oldValue and newValue are not the
// exact same object
//noinspection ObjectEquality
if (event.getValue() != newValue) {
handleAttributeEvent(attrName,
event.getValue(),
ELUtils.Scope.APPLICATION);
}
}
public List getActiveSessions() {
return new ArrayList(activeSessions);
}
private void handleAttributeEvent(String beanName,
Object bean,
ELUtils.Scope scope) {
ApplicationAssociate associate = getAssociate();
try {
if (associate != null) {
BeanManager beanManager = associate.getBeanManager();
if (beanManager != null && beanManager.isManaged(beanName)) {
beanManager.destroy(beanName, bean);
}
}
} catch (Exception e) {
String className = e.getClass().getName();
String message = e.getMessage();
if (message == null) {
message = "";
}
if (LOGGER.isLoggable(Level.INFO)) {
LOGGER.log(Level.INFO,
"jsf.config.listener.predestroy.error",
new Object[]{
className,
beanName,
scope,
message});
}
if (LOGGER.isLoggable(Level.FINE)) {
FastStringWriter writer = new FastStringWriter(128);
e.printStackTrace(new PrintWriter(writer));
LOGGER.fine(writer.toString());
}
}
} // END handleAttributeEvent
/**
* Notification that the web application initialization
* process is starting.
* All ServletContextListeners are notified of context
* initialization before any filter or servlet in the web
* application is initialized.
*
* @param event the notification event
*/
public void contextInitialized(ServletContextEvent event) {
if (servletContext == null) {
servletContext = event.getServletContext();
}
}
/**
* Notification that the servlet context is about to be shut down.
* All servlets and filters have been destroy()ed before any
* ServletContextListeners are notified of context
* destruction.
*
* @param event the nofication event
*/
public void contextDestroyed(ServletContextEvent event) {
for (Enumeration e = servletContext.getAttributeNames(); e.hasMoreElements(); ) {
String beanName = (String)e.nextElement();
handleAttributeEvent(beanName,
servletContext.getAttribute(beanName),
ELUtils.Scope.APPLICATION);
}
this.applicationAssociate = null;
}
// --------------------------------------------------------- Private Methods
private ApplicationAssociate getAssociate() {
if (applicationAssociate == null) {
applicationAssociate = ApplicationAssociate.getInstance(servletContext);
}
return applicationAssociate;
}
/**
* This method ensures that session scoped managed beans will be
* synchronized properly in a clustered environment.
*
* @param request the current ServletRequest
*/
private void syncSessionScopedBeans(ServletRequest request) {
if (request instanceof HttpServletRequest) {
HttpSession session = ((HttpServletRequest) request).getSession(false);
if (session != null) {
ApplicationAssociate associate = getAssociate();
if (associate == null) {
return;
}
BeanManager manager = associate.getBeanManager();
if (manager != null) {
for (Enumeration e = session.getAttributeNames();
e.hasMoreElements();) {
String name = (String) e.nextElement();
if (manager.isManaged(name)) {
session
.setAttribute(name, session.getAttribute(name));
}
}
}
}
}
}
} // END WebappLifecycleListener