/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * 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 javax.faces.internal;

 import javax.faces.context.FacesContext;

 import javax.faces.el.ValueBinding;

 import javax.faces.webapp.UIComponentTag;

 /**

  * @author shot

  */

 public class ValueBindingUtil {

     private ValueBindingUtil() {

     }

     public static ValueBinding createValueBinding(String ref) {

         return createValueBinding(FacesContext.getCurrentInstance(), ref);

     }

     public static ValueBinding createValueBinding(FacesContext context,

             String ref) {

         return context.getApplication().createValueBinding(ref);

     }

     public static Object getValue(FacesContext context, String value) {

         if (value != null && UIComponentTag.isValueReference(value)) {

             ValueBinding vb = context.getApplication()

                     .createValueBinding(value);

             return vb.getValue(context);

         }

         return null;

     }

 }