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This is the master POM file for Sun's Implementation of the JSF 1.2 Specification.
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/*
 * $Id: SetPropertyActionListenerImpl.java,v 1.10 2007/07/19 15:50:55 rlubke 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]"
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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
 * its licensees as provided above.  However, if you add GPL Version 2 code
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 */

package com.sun.faces.taglib.jsf_core;

import javax.el.ELContext;
import javax.el.ELException;
import javax.el.ValueExpression;
import javax.faces.component.StateHolder;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.ActionListener;

public class SetPropertyActionListenerImpl implements ActionListener, StateHolder {
    
    private ValueExpression targetExpression = null;
    
    private ValueExpression valueExpression = null;
    
    public SetPropertyActionListenerImpl() {}
    
    public SetPropertyActionListenerImpl(ValueExpression target, ValueExpression value) {
        this.targetExpression = target;
        this.valueExpression = value;
    }
    
    public void processAction(ActionEvent e) throws AbortProcessingException {
        ELContext elc = FacesContext.getCurrentInstance().getELContext();
        
        try {
            targetExpression.setValue(elc, valueExpression.getValue(elc));
        } catch (ELException ele) {
            // PENDING logging
        }
    }
    
    public void setTransient(boolean newTransientValue) {}
    
    public boolean isTransient() { return false; }
    
    public Object saveState(FacesContext context) {
        Object [] state = new Object[2];
        state[0] = targetExpression;
        state[1] = valueExpression;
        return state;
    }
    
    public void restoreState(FacesContext context, Object state) {
        Object [] stateArray = (Object []) state;
        targetExpression = (ValueExpression) stateArray[0];
        valueExpression = (ValueExpression) stateArray[1];
    }
    
}