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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2013 Oracle and/or its affiliates. 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.java.net/public/CDDL+GPL_1_1.html
* or packager/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 packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
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* 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
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*/
package com.sun.faces.application.view;
import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.enterprise.context.ContextNotActiveException;
import javax.enterprise.context.spi.Context;
import javax.enterprise.context.spi.Contextual;
import javax.enterprise.context.spi.CreationalContext;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.view.ViewScoped;
/**
* The CDI context for CDI ViewScoped beans.
*/
public class ViewScopeContext implements Context, Serializable {
/**
* Stores the logger.
*/
private static final Logger LOGGER = Logger.getLogger(ViewScopeContext.class.getName());
/**
* Stores the serial version UID.
*/
private static final long serialVersionUID = -6245899073989073951L;
/**
* Constructor.
*/
public ViewScopeContext() {
if (LOGGER.isLoggable(Level.FINEST)) {
LOGGER.log(Level.FINEST, "Creating ViewScope CDI context");
}
}
/**
* Assert the context is active, otherwise throw ContextNotActiveException.
*/
@SuppressWarnings({"FinalPrivateMethod"})
private final void assertNotReleased() {
if (!isActive()) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE, "Trying to access ViewScope CDI context while it is not active");
}
throw new ContextNotActiveException();
}
}
/**
* Get the ViewScoped bean for the given contextual.
*
* @param the type.
* @param contextual the contextual.
* @return the view scoped bean, or null if not found.
*/
@Override
public T get(Contextual contextual) {
assertNotReleased();
T result = null;
FacesContext facesContext = FacesContext.getCurrentInstance();
if (facesContext != null) {
ViewScopeManager manager = ViewScopeManager.getInstance(facesContext);
if (manager != null) {
result = manager.getContextManager().getBean(facesContext, contextual);
}
}
return result;
}
/**
* Get the existing instance of the ViewScoped bean for the given contextual
* or create a new one.
*
* @param the type.
* @param contextual the contextual.
* @param creational the creational.
* @return the instance.
* @throws ContextNotActiveException when the context is not active.
*/
@Override
public T get(Contextual contextual, CreationalContext creational) {
assertNotReleased();
T result = get(contextual);
if (result == null) {
FacesContext facesContext = FacesContext.getCurrentInstance();
if (facesContext != null) {
ViewScopeManager manager = ViewScopeManager.getInstance(facesContext);
result = (T) manager.getContextManager().getBean(facesContext, contextual);
if (result == null) {
result = (T) manager.getContextManager().createBean(facesContext, contextual, creational);
}
}
}
return result;
}
/**
* Get the class of the scope object.
*
* @return the class.
*/
@Override
public Class extends Annotation> getScope() {
return ViewScoped.class;
}
/**
* Determine if the context is active.
*
* @return true if there is a view root, false otherwise.
*/
@Override
public boolean isActive() {
boolean result = false;
FacesContext facesContext = FacesContext.getCurrentInstance();
if (facesContext != null) {
UIViewRoot viewRoot = facesContext.getViewRoot();
if (viewRoot != null) {
result = true;
}
}
return result;
}
}