Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
CharsetValidationPattern |
|
| 3.2;3.2 |
1 | /** | |
2 | * Copyright 2005-2011 The Kuali Foundation | |
3 | * | |
4 | * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php | |
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.kuali.rice.kns.datadictionary.validation.charlevel; | |
17 | ||
18 | import org.apache.commons.lang.StringUtils; | |
19 | import org.kuali.rice.krad.datadictionary.exporter.ExportMap; | |
20 | import org.kuali.rice.krad.datadictionary.validation.CharacterLevelValidationPattern; | |
21 | ||
22 | import java.util.regex.Pattern; | |
23 | ||
24 | /** | |
25 | * Pattern for matching any character in the given list (String) | |
26 | * | |
27 | * | |
28 | */ | |
29 | 0 | public class CharsetValidationPattern extends CharacterLevelValidationPattern { |
30 | protected String validChars; | |
31 | ||
32 | /** | |
33 | * @return String containing all valid chars for this charset | |
34 | */ | |
35 | public String getValidChars() { | |
36 | 0 | return validChars; |
37 | } | |
38 | ||
39 | /** | |
40 | * @param validChars for this charset | |
41 | */ | |
42 | public void setValidChars(String validChars) { | |
43 | 0 | if (StringUtils.isEmpty(validChars)) { |
44 | 0 | throw new IllegalArgumentException("invalid (empty) validChars"); |
45 | } | |
46 | ||
47 | 0 | this.validChars = validChars; |
48 | 0 | } |
49 | ||
50 | ||
51 | /** | |
52 | * Escapes every special character I could think of, to limit potential misuse of this pattern. | |
53 | * | |
54 | * @see org.kuali.rice.krad.datadictionary.validation.ValidationPattern#getRegexString() | |
55 | */ | |
56 | protected String getRegexString() { | |
57 | 0 | if (StringUtils.isEmpty(validChars)) { |
58 | 0 | throw new IllegalStateException("validChars is empty"); |
59 | } | |
60 | ||
61 | // filter out and escape chars which would confuse the pattern-matcher | |
62 | 0 | Pattern filteringChars = Pattern.compile("([\\-\\[\\]\\{\\}\\$\\.\\^\\(\\)\\*\\&\\|])"); |
63 | 0 | String filteredChars = filteringChars.matcher(validChars).replaceAll("\\\\$1"); |
64 | ||
65 | 0 | StringBuffer regexString = new StringBuffer("["); |
66 | 0 | regexString.append(filteredChars); |
67 | 0 | if (filteredChars.endsWith("\\")) { |
68 | 0 | regexString.append("\\"); |
69 | } | |
70 | 0 | regexString.append("]"); |
71 | ||
72 | 0 | return regexString.toString(); |
73 | } | |
74 | ||
75 | ||
76 | /** | |
77 | * @see org.kuali.rice.krad.datadictionary.validation.CharacterLevelValidationPattern#extendExportMap(org.kuali.bo.datadictionary.exporter.ExportMap) | |
78 | */ | |
79 | public void extendExportMap(ExportMap exportMap) { | |
80 | 0 | exportMap.set("type", "charset"); |
81 | ||
82 | 0 | exportMap.set("validChars", getValidChars()); |
83 | 0 | } |
84 | ||
85 | /** | |
86 | * This overridden method ... | |
87 | * | |
88 | * @see org.kuali.rice.krad.datadictionary.validation.CharacterLevelValidationPattern#getValidationErrorMessageParameters(java.lang.String, java.lang.String) | |
89 | */ | |
90 | @Override | |
91 | public String[] getValidationErrorMessageParameters(String attributeLabel) { | |
92 | // build character list | |
93 | 0 | StringBuilder buf = new StringBuilder(); |
94 | 0 | for (int i = 0; i < validChars.length(); i++) { |
95 | 0 | buf.append(validChars.charAt(i)); |
96 | 0 | if (i != validChars.length() - 1) { |
97 | 0 | buf.append(", "); |
98 | } | |
99 | } | |
100 | 0 | String characterList = buf.toString(); |
101 | ||
102 | 0 | if (getMaxLength() != -1) { |
103 | 0 | return new String[] {attributeLabel, String.valueOf(getMaxLength()), characterList}; |
104 | } | |
105 | 0 | if (getExactLength() != -1) { |
106 | 0 | return new String[] {attributeLabel, String.valueOf(getExactLength()), characterList}; |
107 | } | |
108 | 0 | return new String[] {attributeLabel, "0", characterList}; |
109 | } | |
110 | } |