org.apache.myfaces.shared_impl.el.SimpleActionMethodBinding Maven / Gradle / Ivy
/*
* 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_impl.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.
*
* @author Manfred Geiler
*/
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;
}
}