KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > javax > faces > render > Renderer


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.render;
17
18 import javax.faces.component.UIComponent;
19 import javax.faces.context.FacesContext;
20 import javax.faces.convert.ConverterException;
21 import java.io.IOException JavaDoc;
22
23 /**
24  * @author Manfred Geiler (latest modification by $Author: mwessendorf $)
25  * @version $Revision: 1.3 $ $Date: 2004/07/01 22:01:19 $
26  */
27 public abstract class Renderer
28 {
29     public void decode(FacesContext context,
30                        UIComponent component)
31     {
32         if (context == null) throw new NullPointerException JavaDoc("context");
33         if (component == null) throw new NullPointerException JavaDoc("component");
34     }
35
36     public void encodeBegin(FacesContext context,
37                             UIComponent component)
38             throws IOException JavaDoc
39     {
40         if (context == null) throw new NullPointerException JavaDoc("context");
41         if (component == null) throw new NullPointerException JavaDoc("component");
42     }
43
44     public void encodeChildren(FacesContext context,
45                                UIComponent component)
46             throws IOException JavaDoc
47     {
48         if (context == null) throw new NullPointerException JavaDoc("context");
49         if (component == null) throw new NullPointerException JavaDoc("component");
50     }
51
52     public void encodeEnd(FacesContext context,
53                           UIComponent component)
54             throws IOException JavaDoc
55     {
56         if (context == null) throw new NullPointerException JavaDoc("context");
57         if (component == null) throw new NullPointerException JavaDoc("component");
58     }
59
60     public String JavaDoc convertClientId(FacesContext context,
61                                   String JavaDoc clientId)
62     {
63         if (context == null) throw new NullPointerException JavaDoc("context");
64         if (clientId == null) throw new NullPointerException JavaDoc("clientId");
65         return clientId;
66     }
67
68     public boolean getRendersChildren()
69     {
70         return false;
71     }
72
73     public Object JavaDoc getConvertedValue(FacesContext context,
74                                     UIComponent component,
75                                     Object JavaDoc submittedValue)
76             throws ConverterException
77     {
78         if (context == null) throw new NullPointerException JavaDoc("context");
79         if (component == null) throw new NullPointerException JavaDoc("component");
80         return submittedValue;
81     }
82
83 }
84
Popular Tags