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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.tobago.el;
21  
22  import javax.faces.context.FacesContext;
23  import javax.faces.el.MethodBinding;
24  import java.io.Serializable;
25  
26  public class ConstantMethodBinding
27      extends MethodBinding implements Serializable {
28  
29    private static final long serialVersionUID = 5019857148558549340L;
30  
31    private String outcome;
32  
33    public ConstantMethodBinding(String outcome) {
34      this.outcome = outcome;
35    }
36  
37    // TODO: check if needed, in the moment this is needed for MyFaces state saving
38    public ConstantMethodBinding() {
39    }
40  
41    public Object invoke(FacesContext facesContext, Object[] parameters) {
42      return outcome;
43    }
44  
45    public Class getType(FacesContext facesContext) {
46      return String.class;
47    }
48  
49    public String getExpressionString() {
50      return outcome;
51    }
52  }