Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
AsciiCharacterTranslator |
|
| 4.0;4 |
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.text; | |
16 | ||
17 | /** | |
18 | * An object that translates selected ASCII characters into equivalent strings. | |
19 | * | |
20 | * @author mb | |
21 | * @since 4.0 | |
22 | */ | |
23 | public class AsciiCharacterTranslator implements ICharacterTranslator | |
24 | { | |
25 | ||
26 | private String[] _charMap; | |
27 | ||
28 | /** | |
29 | * Creates and initializes a new translator that translates the provided | |
30 | * ASCII characters into strings. All other characters will be translated to | |
31 | * null. | |
32 | * | |
33 | * @param characterMap | |
34 | * an array of pairs of strings. Each pair consists of a key that | |
35 | * must be a single ASCII character, and a value that is its | |
36 | * equivalent string. | |
37 | */ | |
38 | public AsciiCharacterTranslator(String[][] characterMap) | |
39 | 0 | { |
40 | 0 | _charMap = new String[128]; |
41 | ||
42 | 0 | int pairCount = characterMap.length; |
43 | 0 | for(int i = 0; i < pairCount; i++) |
44 | { | |
45 | 0 | String[] pair = characterMap[i]; |
46 | 0 | if (pair.length != 2) continue; |
47 | 0 | String key = pair[0]; |
48 | 0 | String value = pair[1]; |
49 | 0 | if (key.length() != 1) continue; |
50 | 0 | char ch = key.charAt(0); |
51 | 0 | if (ch >= 128) continue; |
52 | ||
53 | 0 | _charMap[ch] = value; |
54 | } | |
55 | 0 | } |
56 | ||
57 | /** | |
58 | * @see org.apache.tapestry.util.text.ICharacterTranslator#translate(char) . | |
59 | */ | |
60 | public String translate(char ch) | |
61 | { | |
62 | 0 | if (ch >= 128) return null; |
63 | 0 | return _charMap[ch]; |
64 | } | |
65 | } |