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The MyFaces Commons Subproject provides base classes for usage in both the MyFaces implementation and the MyFaces Tomahawk components. This is also a general set of utility classes for usage in your JSF projects independent of the implementation you might be deciding upon.

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/*
 * Copyright 2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.myfaces.util;

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

/**
 * @author Mathias Brökelmann (latest modification by $Author: skitching $)
 * @version $Revision: 355303 $ $Date: 2005-12-09 01:36:08 +0000 (Fri, 09 Dec 2005) $
 */
public class _ComponentUtils
{
    private _ComponentUtils()
    {
    }

    public static String getStringValue(FacesContext context, ValueBinding vb)
    {
        Object value = vb.getValue(context);
        if (value != null)
        {
            return value.toString();
        }
        return null;
    }

}