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/*
 * JBoss, Home of Professional Open Source
 * Copyright ${year}, 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.component.behavior;

import javax.el.ValueExpression;
import javax.faces.context.FacesContext;

import org.richfaces.component.PartialStateHolderHelper;

/**
 * @author Anton Belevich
 *
 */
public class BehaviorStateHelper extends PartialStateHolderHelper {
    private ClientBehavior behavior;

    public BehaviorStateHelper(ClientBehavior behavior) {
        super(behavior);
        this.behavior = behavior;
    }

    @Override
    protected Object getValueExpressionValue(String name) {
        Object retVal = null;
        ValueExpression ve = behavior.getValueExpression(name);
        if (ve != null) {
            retVal = ve.getValue(FacesContext.getCurrentInstance().getELContext());
        }
        return retVal;
    }
}