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Java > Open Source Codes > org > apache > cocoon > faces > taglib > SelectItemsTag


1 /*
2  * Copyright 1999-2004 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 org.apache.cocoon.faces.taglib;
17
18 import org.apache.cocoon.faces.FacesUtils;
19
20 import javax.faces.FacesException;
21 import javax.faces.component.UIComponent;
22 import javax.faces.component.UISelectItems;
23
24 /**
25  * @version CVS $Id: SelectItemsTag.java 46253 2004-09-17 14:36:29Z vgritsenko $
26  */
27 public class SelectItemsTag extends UIComponentTag {
28
29     protected String JavaDoc value;
30
31     public void setValue(String JavaDoc value) {
32         this.value = value;
33     }
34
35     protected String JavaDoc getComponentType() {
36         return "javax.faces.SelectItems";
37     }
38
39     protected String JavaDoc getRendererType() {
40         return null;
41     }
42
43     protected void setProperties(UIComponent component) {
44         super.setProperties(component);
45
46         UISelectItems selectItems;
47         try {
48             selectItems = (UISelectItems) component;
49         } catch (ClassCastException JavaDoc cce) {
50             throw new FacesException("Tag <" + getClass().getName() + "> expected UISelectItems. " +
51                                      "Got <" + component.getClass().getName() + ">");
52         }
53
54         if (value != null) {
55             if (FacesUtils.isExpression(value)) {
56                 selectItems.setValueBinding("value", createValueBinding(value));
57             } else {
58                 selectItems.setValue(value);
59             }
60         }
61     }
62
63     public void recycle() {
64         super.recycle();
65         this.value = null;
66     }
67 }
68
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