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


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.Externalizable JavaDoc;
18 import java.io.IOException JavaDoc;
19 import java.io.ObjectInput JavaDoc;
20 import java.io.ObjectOutput JavaDoc;
21
22 import javax.el.ELContext;
23 import javax.el.ELException;
24 import javax.el.PropertyNotWritableException;
25 import javax.el.ValueExpression;
26 import javax.faces.context.FacesContext;
27 import javax.faces.el.EvaluationException;
28 import javax.faces.el.PropertyNotFoundException;
29 import javax.faces.el.ValueBinding;
30
31 /**
32  *
33  *
34  * @author Jacob Hookom
35  * @version $Id: LegacyValueBinding.java,v 1.5 2005/08/24 04:38:57 jhook Exp $
36  * @deprecated
37  */

38 public final class LegacyValueBinding extends ValueBinding implements Externalizable JavaDoc {
39
40     private static final long serialVersionUID = 1L;
41     
42     private ValueExpression delegate;
43     
44     public LegacyValueBinding() {
45         super();
46     }
47     
48     public LegacyValueBinding(ValueExpression ve) {
49         this.delegate = ve;
50     }
51
52     public Object JavaDoc getValue(FacesContext context) throws EvaluationException,
53             PropertyNotFoundException {
54         ELContext ctx = ELAdaptor.getELContext(context);
55         try {
56             return this.delegate.getValue(ctx);
57         } catch (javax.el.PropertyNotFoundException e) {
58             throw new PropertyNotFoundException(e.getMessage(), e.getCause());
59         } catch (ELException e) {
60             throw new EvaluationException(e.getMessage(), e.getCause());
61         }
62     }
63
64     public void setValue(FacesContext context, Object JavaDoc value)
65             throws EvaluationException, PropertyNotFoundException {
66         ELContext ctx = ELAdaptor.getELContext(context);
67         try {
68             this.delegate.setValue(ctx, value);
69         } catch (PropertyNotWritableException e) {
70             throw new PropertyNotFoundException(e.getMessage(), e.getCause());
71         } catch (javax.el.PropertyNotFoundException e) {
72             throw new PropertyNotFoundException(e.getMessage(), e.getCause());
73         } catch (ELException e) {
74             throw new EvaluationException(e.getMessage(), e.getCause());
75         }
76     }
77
78     public boolean isReadOnly(FacesContext context) throws EvaluationException,
79             PropertyNotFoundException {
80         ELContext ctx = ELAdaptor.getELContext(context);
81         try {
82             return this.delegate.isReadOnly(ctx);
83         } catch (javax.el.PropertyNotFoundException e) {
84             throw new PropertyNotFoundException(e.getMessage(), e.getCause());
85         } catch (ELException e) {
86             throw new EvaluationException(e.getMessage(), e.getCause());
87         }
88     }
89
90     public Class JavaDoc getType(FacesContext context) throws EvaluationException,
91             PropertyNotFoundException {
92         ELContext ctx = ELAdaptor.getELContext(context);
93         try {
94             return this.delegate.getType(ctx);
95         } catch (javax.el.PropertyNotFoundException e) {
96             throw new PropertyNotFoundException(e.getMessage(), e.getCause());
97         } catch (ELException e) {
98             throw new EvaluationException(e.getMessage(), e.getCause());
99         }
100     }
101
102     public void readExternal(ObjectInput JavaDoc in) throws IOException JavaDoc, ClassNotFoundException JavaDoc {
103         this.delegate = (ValueExpression) in.readObject();
104     }
105
106     public void writeExternal(ObjectOutput JavaDoc out) throws IOException JavaDoc {
107         out.writeObject(this.delegate);
108     }
109
110     public String JavaDoc getExpressionString() {
111         return this.delegate.getExpressionString();
112     }
113 }
114
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