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Java > Open Source Codes > com > sun > facelets > el > LegacyMethodBinding


1 /**
2  * Licensed under the Common Development and Distribution License,
3  * you may not use this file except in compliance with the License.
4  * You may obtain a copy of the License at
5  *
6  * http://www.sun.com/cddl/
7  *
8  * Unless required by applicable law or agreed to in writing, software
9  * distributed under the License is distributed on an "AS IS" BASIS,
10  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
11  * implied. See the License for the specific language governing
12  * permissions and limitations under the License.
13  */
14
15 package com.sun.facelets.el;
16
17 import java.io.Serializable JavaDoc;
18
19 import javax.el.ELException;
20 import javax.el.MethodExpression;
21 import javax.faces.context.FacesContext;
22 import javax.faces.el.EvaluationException;
23 import javax.faces.el.MethodBinding;
24 import javax.faces.el.MethodNotFoundException;
25
26 /**
27  * For legacy ActionSources
28  *
29  * @author Jacob Hookom
30  * @version $Id: LegacyMethodBinding.java,v 1.6 2005/09/02 03:30:03 adamwiner Exp $
31  * @deprecated
32  */
33 public final class LegacyMethodBinding extends
34         MethodBinding implements Serializable JavaDoc {
35
36     private static final long serialVersionUID = 1L;
37
38     private final MethodExpression m;
39
40     public LegacyMethodBinding(MethodExpression m) {
41         this.m = m;
42     }
43
44     /*
45      * (non-Javadoc)
46      *
47      * @see javax.faces.el.MethodBinding#getType(javax.faces.context.FacesContext)
48      */
49     public Class JavaDoc getType(FacesContext context)
50             throws MethodNotFoundException {
51         try {
52             return m.getMethodInfo(ELAdaptor.getELContext(context)).getReturnType();
53         } catch (javax.el.MethodNotFoundException e) {
54             throw new MethodNotFoundException(e.getMessage(), e.getCause());
55         } catch (ELException e) {
56             throw new EvaluationException(e.getMessage(), e.getCause());
57         }
58     }
59
60     /*
61      * (non-Javadoc)
62      *
63      * @see javax.faces.el.MethodBinding#invoke(javax.faces.context.FacesContext,
64      * java.lang.Object[])
65      */
66     public Object JavaDoc invoke(FacesContext context, Object JavaDoc[] params)
67             throws EvaluationException, MethodNotFoundException {
68         try {
69             return m.invoke(ELAdaptor.getELContext(context), params);
70         } catch (javax.el.MethodNotFoundException e) {
71             throw new MethodNotFoundException(e.getMessage(), e.getCause());
72         } catch (ELException e) {
73             throw new EvaluationException(e.getMessage(), e.getCause());
74         }
75     }
76
77     public String JavaDoc getExpressionString() {
78         return m.getExpressionString();
79     }
80 }
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