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Java > Open Source Codes > com > sun > facelets > tag > jsf > core > ConvertNumberHandler


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.tag.jsf.core;
16
17 import javax.el.ELException;
18 import javax.faces.FacesException;
19 import javax.faces.convert.Converter;
20 import javax.faces.convert.NumberConverter;
21
22 import com.sun.facelets.FaceletContext;
23 import com.sun.facelets.FaceletException;
24 import com.sun.facelets.tag.TagAttribute;
25 import com.sun.facelets.tag.MetaRuleset;
26 import com.sun.facelets.tag.jsf.ComponentSupport;
27 import com.sun.facelets.tag.jsf.ConvertHandler;
28 import com.sun.facelets.tag.jsf.ConverterConfig;
29
30 /**
31  * Register a NumberConverter instance on the UIComponent associated with the
32  * closest parent UIComponent custom action. <p/> See <a target="_new"
33  * HREF="http://java.sun.com/j2ee/javaserverfaces/1.1_01/docs/tlddocs/f/convertNumber.html">tag
34  * documentation</a>.
35  *
36  * @author Jacob Hookom
37  * @version $Id: ConvertNumberHandler.java,v 1.3 2005/08/24 04:38:49 jhook Exp $
38  */
39 public final class ConvertNumberHandler extends ConvertHandler {
40
41     private final TagAttribute locale;
42
43     /**
44      * @param config
45      */
46     public ConvertNumberHandler(ConverterConfig config) {
47         super(config);
48         this.locale = this.getAttribute("locale");
49     }
50
51     /**
52      * Returns a new NumberConverter
53      *
54      * @see NumberConverter
55      * @see com.sun.facelets.tag.jsf.ConverterHandler#createConverter(com.sun.facelets.FaceletContext)
56      */
57     protected Converter createConverter(FaceletContext ctx)
58             throws FacesException, ELException, FaceletException {
59         return ctx.getFacesContext().getApplication().createConverter(NumberConverter.CONVERTER_ID);
60     }
61
62     /* (non-Javadoc)
63      * @see com.sun.facelets.tag.ObjectHandler#setAttributes(com.sun.facelets.FaceletContext, java.lang.Object)
64      */
65     protected void setAttributes(FaceletContext ctx, Object JavaDoc obj) {
66         super.setAttributes(ctx, obj);
67         NumberConverter c = (NumberConverter) obj;
68         if (this.locale != null) {
69             c.setLocale(ComponentSupport.getLocale(ctx, this.locale));
70         }
71     }
72
73     protected MetaRuleset createMetaRuleset(Class JavaDoc type) {
74         return super.createMetaRuleset(type).ignore("locale");
75     }
76
77 }
78
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