KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > cocoon > woody > datatype > convertor > PlainLongConvertor


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.woody.datatype.convertor;
17
18 import java.util.Locale JavaDoc;
19
20 /**
21  * Convertor for java.lang.Longs that does not do any (Locale-dependent)
22  * formatting. It simply uses String.valueOf() and Long.parseLong().
23  *
24  * @version CVS $Id: PlainLongConvertor.java 30932 2004-07-29 17:35:38Z vgritsenko $
25  */

26 public class PlainLongConvertor implements Convertor {
27     public Object JavaDoc convertFromString(String JavaDoc value, Locale JavaDoc locale, Convertor.FormatCache formatCache) {
28         try {
29             return new Long JavaDoc(Long.parseLong(value));
30         } catch (NumberFormatException JavaDoc e) {
31             return null;
32         }
33     }
34
35     public String JavaDoc convertToString(Object JavaDoc value, Locale JavaDoc locale, Convertor.FormatCache formatCache) {
36         return String.valueOf(value);
37     }
38
39     public Class JavaDoc getTypeClass() {
40         return Long JavaDoc.class;
41     }
42 }
43
Popular Tags