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Java > Open Source Codes > org > apache > tapestry > util > io > FloatAdaptor


1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.util.io;
16
17 import org.apache.tapestry.services.DataSqueezer;
18
19 /**
20  * Squeezes a {@link Float}.
21  *
22  * @author Howard Lewis Ship
23  *
24  **/
25
26 class FloatAdaptor implements ISqueezeAdaptor
27 {
28     private static final String JavaDoc PREFIX = "f";
29
30     /**
31      * Registers using the prefix 'f'.
32      *
33      **/
34
35     public void register(DataSqueezer squeezer)
36     {
37         squeezer.register(PREFIX, Float JavaDoc.class, this);
38     }
39
40     /**
41      * Invoked <code>toString()</code> on data (which is type {@link Float}),
42      * and prefixs the result.
43      *
44      **/
45
46     public String JavaDoc squeeze(DataSqueezer squeezer, Object JavaDoc data)
47     {
48         return PREFIX + data.toString();
49     }
50
51     /**
52      * Constructs a {@link Float} from the string, after stripping
53      * the prefix.
54      *
55      **/
56
57     public Object JavaDoc unsqueeze(DataSqueezer squeezer, String JavaDoc string)
58     {
59         return new Float JavaDoc(string.substring(1));
60     }
61
62 }
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