KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > cocoon > forms > datatype > convertor > PlainDoubleConvertor


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.forms.datatype.convertor;
17
18 import org.xml.sax.ContentHandler JavaDoc;
19 import org.xml.sax.SAXException JavaDoc;
20
21 import java.util.Locale JavaDoc;
22
23 /**
24  * Convertor for java.lang.Doubles that does not do any (Locale-dependent)
25  * formatting. It simply uses String.valueOf() and Long.parseLong().
26  *
27  * @version $Id: PlainDoubleConvertor.java 151179 2005-02-03 16:55:16Z tim $
28  */
29 public class PlainDoubleConvertor implements Convertor {
30     public ConversionResult convertFromString(String JavaDoc value, Locale JavaDoc locale, Convertor.FormatCache formatCache) {
31         try {
32             return new ConversionResult(new Double JavaDoc(Double.parseDouble(value)));
33         } catch (NumberFormatException JavaDoc e) {
34             return ConversionResult.create("double");
35         }
36     }
37
38     public String JavaDoc convertToString(Object JavaDoc value, Locale JavaDoc locale, Convertor.FormatCache formatCache) {
39         return String.valueOf(value);
40     }
41
42     public Class JavaDoc getTypeClass() {
43         return Double JavaDoc.class;
44     }
45
46     public void generateSaxFragment(ContentHandler JavaDoc contentHandler, Locale JavaDoc locale) throws SAXException JavaDoc {
47         // intentionally empty
48 }
49 }
50
Popular Tags