/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.shared.el;

 import javax.faces.component.StateHolder;

 import javax.faces.context.FacesContext;

 import javax.faces.el.EvaluationException;

 import javax.faces.el.MethodBinding;

 import javax.faces.el.MethodNotFoundException;

 /**

  * Convenient method binding that does nothing other than returning a fixed outcome String when invoked.

  */

 public class SimpleActionMethodBinding

         extends MethodBinding

         implements StateHolder

 {

     private String _outcome;

     public SimpleActionMethodBinding(String outcome)

     {

         _outcome = outcome;

     }

     public Object invoke(FacesContext facescontext, Object aobj[]) throws EvaluationException, MethodNotFoundException

     {

         return _outcome;

     }

     public Class getType(FacesContext facescontext) throws MethodNotFoundException

     {

         return String.class;

     }

     //~ StateHolder support ----------------------------------------------------------------------------

     private boolean _transient = false;

     /**

      * Empty constructor, so that new instances can be created when restoring state.

      */

     public SimpleActionMethodBinding()

     {

         _outcome = null;

     }

     public Object saveState(FacesContext facescontext)

     {

         return _outcome;

     }

     public void restoreState(FacesContext facescontext, Object obj)

     {

         _outcome = (String)obj;

     }

     public boolean isTransient()

     {

         return _transient;

     }

     public void setTransient(boolean flag)

     {

         _transient = flag;

     }

     public String toString()

     {

         return _outcome;

     }

 }