Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
StringAdaptor |
|
| 1.5;1.5 |
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 String (which is pretty simple, most of the time). | |
21 | * | |
22 | * @author Howard Lewis Ship | |
23 | */ | |
24 | ||
25 | 0 | public class StringAdaptor implements SqueezeAdaptor |
26 | { | |
27 | ||
28 | private static final String PREFIX = "S"; | |
29 | ||
30 | public String getPrefix() | |
31 | { | |
32 | 0 | return PREFIX; |
33 | } | |
34 | ||
35 | public Class getDataClass() | |
36 | { | |
37 | 0 | return String.class; |
38 | } | |
39 | ||
40 | public String squeeze(DataSqueezer squeezer, Object data) | |
41 | { | |
42 | 0 | String string = (String) data; |
43 | ||
44 | 0 | return PREFIX + string; |
45 | } | |
46 | ||
47 | /** | |
48 | * Strips the prefix from the string. This method is only invoked by the | |
49 | * {@link DataSqueezerImpl} if the string leads with its normal prefix (an | |
50 | * 'S'). | |
51 | */ | |
52 | ||
53 | public Object unsqueeze(DataSqueezer squeezer, String string) | |
54 | { | |
55 | 0 | if (string.length() == 1) return ""; |
56 | ||
57 | 0 | return string.substring(1); |
58 | } | |
59 | } |