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Java > Open Source Codes > javax > faces > el > ValueBinding


1 /*
2  * Copyright 2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package javax.faces.el;
17
18 import javax.faces.context.FacesContext;
19
20 /**
21  * @author Thomas Spiegl (latest modification by $Author: dave0000 $)
22  * @version $Revision: 1.6 $ $Date: 2004/09/28 18:29:48 $
23  */
24 public abstract class ValueBinding
25 {
26     abstract public String JavaDoc getExpressionString();
27
28     abstract public Class JavaDoc getType(FacesContext facesContext)
29         throws EvaluationException, PropertyNotFoundException;
30
31     public abstract Object JavaDoc getValue(FacesContext facesContext)
32         throws EvaluationException, PropertyNotFoundException;
33
34     public abstract boolean isReadOnly(FacesContext facesContext)
35         throws EvaluationException, PropertyNotFoundException;
36
37     public abstract void setValue(FacesContext facesContext, Object JavaDoc value)
38         throws EvaluationException, PropertyNotFoundException;
39 }
40
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