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This is the master POM file for Sun's Implementation of
the JSF 1.2 Specification.
The newest version!
package com.sun.faces.el;
/*
* $Id: ScopedAttributeELResolver.java,v 1.13.4.1 2010/05/17 19:51:05 edburns Exp $
*/
/*
* 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.
*/
import java.util.ArrayList;
import java.util.Iterator;
import java.beans.FeatureDescriptor;
import java.util.Map.Entry;
import java.util.Set;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.el.ELException;
import javax.el.PropertyNotFoundException;
import javax.el.ELContext;
import javax.el.ELResolver;
import com.sun.faces.util.Util;
import com.sun.faces.util.MessageUtils;
public class ScopedAttributeELResolver extends ELResolver {
public ScopedAttributeELResolver() {
}
public Object getValue(ELContext context, Object base, Object property)
throws ELException {
if (base != null) {
return null;
}
if ( property == null) {
String message = MessageUtils.getExceptionMessageString
(MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "base and property"); // ?????
throw new PropertyNotFoundException(message);
}
context.setPropertyResolved(true);
String attribute = property.toString();
FacesContext facesContext = (FacesContext)
context.getContext(FacesContext.class);
ExternalContext ec = facesContext.getExternalContext();
Object result;
if (null == (result = ec.getRequestMap().get(attribute))) {
if (null == (result = ec.getSessionMap().get(attribute))) {
result = ec.getApplicationMap().get(attribute);
}
}
return result;
}
public Class getType(ELContext context, Object base, Object property)
throws ELException {
if (base != null) {
return null;
}
if ( property == null) {
String message = MessageUtils.getExceptionMessageString
(MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "base and property"); // ?????
throw new PropertyNotFoundException(message);
}
context.setPropertyResolved(true);
return Object.class;
}
public void setValue(ELContext context, Object base, Object property,
Object val) throws ELException {
if (base != null) {
return;
}
if (property == null) {
String message = MessageUtils.getExceptionMessageString
(MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "base and property"); // ?????
throw new PropertyNotFoundException(message);
}
context.setPropertyResolved(true);
String attribute = (String) property;
FacesContext facesContext = (FacesContext)
context.getContext(FacesContext.class);
ExternalContext ec = facesContext.getExternalContext();
if ((ec.getRequestMap().get(attribute)) != null) {
ec.getRequestMap().put(attribute, val);
} else if ((ec.getSessionMap().get(attribute)) != null) {
ec.getSessionMap().put(attribute, val);
} else if ((ec.getApplicationMap().get(attribute)) != null) {
ec.getApplicationMap().put(attribute, val);
} else {
// if the property doesn't exist in any of the scopes, put it in
// request scope.
ec.getRequestMap().put(attribute, val);
}
}
public boolean isReadOnly(ELContext context, Object base, Object property)
throws ELException {
if (base != null) {
return false;
}
if (property == null) {
String message = MessageUtils.getExceptionMessageString
(MessageUtils.NULL_PARAMETERS_ERROR_MESSAGE_ID, "base and property"); // ?????
throw new PropertyNotFoundException(message);
}
context.setPropertyResolved(true);
return false;
}
public Iterator getFeatureDescriptors(ELContext context, Object base) {
ArrayList list = new ArrayList();
FacesContext facesContext = (FacesContext)
context.getContext(FacesContext.class);
ExternalContext ec = facesContext.getExternalContext();
// add attributes in request scope.
Set> attrs = ec.getRequestMap().entrySet();
for (Entry entry : attrs) {
String attrName = entry.getKey();
Object attrValue = entry.getValue();
list.add(Util.getFeatureDescriptor(attrName, attrName,
"request scope attribute", false, false, true, attrValue.getClass(),
Boolean.TRUE));
}
// add attributes in session scope.
attrs = ec.getSessionMap().entrySet();
for (Entry entry : attrs) {
String attrName = entry.getKey();
Object attrValue = entry.getValue();
list.add(Util.getFeatureDescriptor(attrName, attrName,
"session scope attribute", false, false, true, attrValue.getClass(),
Boolean.TRUE));
}
// add attributes in application scope.
attrs = ec.getApplicationMap().entrySet();
for (Entry entry : attrs) {
String attrName = entry.getKey();
Object attrValue = entry.getValue();
list.add(Util.getFeatureDescriptor(attrName, attrName,
"application scope attribute", false, false, true, attrValue.getClass(),
Boolean.TRUE));
}
return list.iterator();
}
public Class getCommonPropertyType(ELContext context, Object base) {
if (base != null) {
return null;
}
return Object.class;
}
}