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Java > Open Source Codes > javax > faces > component > UIGraphic


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.component;
17
18 import javax.faces.context.FacesContext;
19 import javax.faces.el.ValueBinding;
20
21 /**
22  * see Javadoc of JSF Specification
23  *
24  * @author Manfred Geiler (latest modification by $Author: mwessendorf $)
25  * @version $Revision: 1.6 $ $Date: 2004/07/01 22:00:50 $
26  */
27 public class UIGraphic
28         extends UIComponentBase
29 {
30     private static final String JavaDoc URL_PROPERTY = "url";
31     private static final String JavaDoc VALUE_PROPERTY = "value";
32
33     public String JavaDoc getUrl()
34     {
35         return (String JavaDoc)getValue();
36     }
37
38     public void setUrl(String JavaDoc url)
39     {
40         setValue(url);
41     }
42
43     public ValueBinding getValueBinding(String JavaDoc name)
44     {
45         if (URL_PROPERTY.equals(name))
46         {
47             return super.getValueBinding(VALUE_PROPERTY);
48         }
49         else
50         {
51             return super.getValueBinding(name);
52         }
53     }
54
55     public void setValueBinding(String JavaDoc name,
56                                 ValueBinding binding)
57     {
58         if (URL_PROPERTY.equals(name))
59         {
60             super.setValueBinding(VALUE_PROPERTY, binding);
61         }
62         else
63         {
64             super.setValueBinding(name, binding);
65         }
66     }
67
68
69     //------------------ GENERATED CODE BEGIN (do not modify!) --------------------
70
71     public static final String JavaDoc COMPONENT_TYPE = "javax.faces.Graphic";
72     public static final String JavaDoc COMPONENT_FAMILY = "javax.faces.Graphic";
73     private static final String JavaDoc DEFAULT_RENDERER_TYPE = "javax.faces.Image";
74
75     private Object JavaDoc _value = null;
76
77     public UIGraphic()
78     {
79         setRendererType(DEFAULT_RENDERER_TYPE);
80     }
81
82     public String JavaDoc getFamily()
83     {
84         return COMPONENT_FAMILY;
85     }
86
87     public void setValue(Object JavaDoc value)
88     {
89         _value = value;
90     }
91
92     public Object JavaDoc getValue()
93     {
94         if (_value != null) return _value;
95         ValueBinding vb = getValueBinding("value");
96         return vb != null ? (Object JavaDoc)vb.getValue(getFacesContext()) : null;
97     }
98
99
100     public Object JavaDoc saveState(FacesContext context)
101     {
102         Object JavaDoc values[] = new Object JavaDoc[2];
103         values[0] = super.saveState(context);
104         values[1] = _value;
105         return ((Object JavaDoc) (values));
106     }
107
108     public void restoreState(FacesContext context, Object JavaDoc state)
109     {
110         Object JavaDoc values[] = (Object JavaDoc[])state;
111         super.restoreState(context, values[0]);
112         _value = (Object JavaDoc)values[1];
113     }
114     //------------------ GENERATED CODE END ---------------------------------------
115 }
116
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