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Java > Open Source Codes > org > sape > carbon > core > config > type > handlers > FloatTypeHandler


1 /*
2  * The contents of this file are subject to the Sapient Public License
3  * Version 1.0 (the "License"); you may not use this file except in compliance
4  * with the License. You may obtain a copy of the License at
5  * http://carbon.sf.net/License.html.
6  *
7  * Software distributed under the License is distributed on an "AS IS" basis,
8  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
9  * the specific language governing rights and limitations under the License.
10  *
11  * The Original Code is The Carbon Component Framework.
12  *
13  * The Initial Developer of the Original Code is Sapient Corporation
14  *
15  * Copyright (C) 2003 Sapient Corporation. All Rights Reserved.
16  */
17
18 package org.sape.carbon.core.config.type.handlers;
19
20
21 import org.sape.carbon.core.config.type.ConfigurationTypeHandler;
22 import org.sape.carbon.core.config.type.TypeConversionException;
23
24 /**
25  * <P>Parses and formats between Strings and Floats.</P>
26  *
27  * Copyright 2002 Sapient
28  * @since carbon 1.0
29  * @author Greg Hinkle, January 2002
30  * @version $Revision: 1.11 $($Author: dvoet $ / $Date: 2003/05/05 21:21:20 $)
31  */
32 public class FloatTypeHandler implements ConfigurationTypeHandler {
33
34     /**
35      * <P>Parses a string into a Float object.</P>
36      *
37      * @param type String
38      * @param stringValue the String representation of the requested Float
39      * @return Float version of the String given
40      * @throws TypeConversionException when the string does not represent
41      * a valid Float
42      */
43     public Object JavaDoc toObject(Class JavaDoc type, String JavaDoc stringValue)
44     throws TypeConversionException {
45
46         Float JavaDoc object = null;
47         try {
48             object = Float.valueOf(stringValue);
49         } catch (NumberFormatException JavaDoc nfe) {
50             throw new TypeConversionException(
51                 this.getClass(),
52                     "Couldn't format", nfe);
53         } catch (NullPointerException JavaDoc npe) {
54             throw new TypeConversionException(
55                 this.getClass(),
56                     "Couldn't format", npe);
57         }
58         return object;
59     }
60
61     /**
62      * <P>Formats an Float into a String value.</P>
63      *
64      * @param objectValue the Float to be formatted
65      * @return String value of the Float
66      * @throws ClassCastException when past an object other than a Float
67      */
68     public String JavaDoc toString(Object JavaDoc objectValue) {
69         return ((Float JavaDoc) objectValue).toString();
70     }
71
72 }
73
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