001    package org.apache.myfaces.tobago.el;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one or more
005     * contributor license agreements.  See the NOTICE file distributed with
006     * this work for additional information regarding copyright ownership.
007     * The ASF licenses this file to You under the Apache License, Version 2.0
008     * (the "License"); you may not use this file except in compliance with
009     * the License.  You may obtain a copy of the License at
010     *
011     *      http://www.apache.org/licenses/LICENSE-2.0
012     *
013     * Unless required by applicable law or agreed to in writing, software
014     * distributed under the License is distributed on an "AS IS" BASIS,
015     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016     * See the License for the specific language governing permissions and
017     * limitations under the License.
018     */
019    
020    /*
021     * Created 09.01.2004 11:57:24.
022     * $Id: ConstantMethodBinding.java 578592 2007-09-23 18:51:32Z bommel $
023     */
024    
025    import javax.faces.context.FacesContext;
026    import javax.faces.el.MethodBinding;
027    import java.io.Serializable;
028    
029    public class ConstantMethodBinding
030        extends MethodBinding implements Serializable {
031    
032      private static final long serialVersionUID = 5019857148558549340L;
033    
034      private String outcome;
035    
036      public ConstantMethodBinding(String outcome) {
037        this.outcome = outcome;
038      }
039    
040      // TODO: check if needed, in the moment this is needed for MyFaces state saving
041      public ConstantMethodBinding() {
042      }
043    
044      public Object invoke(FacesContext facesContext, Object[] parameters) {
045        return outcome;
046      }
047    
048      public Class getType(FacesContext facesContext){
049        return String.class;
050      }
051    
052      public String getExpressionString() {
053        return outcome;
054      }
055    }