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StringTerm.java | 0% | 0% | 0% | 0% |
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1 | /** | |
2 | * | |
3 | * Copyright 2003-2004 The Apache Software Foundation | |
4 | * | |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 | * you may not use this file except in compliance with the License. | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | ||
18 | package javax.mail.search; | |
19 | ||
20 | /** | |
21 | * A Term that provides matching criteria for Strings. | |
22 | * | |
23 | * @version $Rev: 125583 $ $Date: 2005-01-18 19:44:27 -0800 (Tue, 18 Jan 2005) $ | |
24 | */ | |
25 | public abstract class StringTerm extends SearchTerm { | |
26 | /** | |
27 | * If true, case should be ignored during matching. | |
28 | */ | |
29 | protected boolean ignoreCase; | |
30 | ||
31 | /** | |
32 | * The pattern associated with this term. | |
33 | */ | |
34 | protected String pattern; | |
35 | ||
36 | /** | |
37 | * Constructor specifying a pattern. | |
38 | * Defaults to case insensitive matching. | |
39 | * @param pattern the pattern for this term | |
40 | */ | |
41 | 0 | protected StringTerm(String pattern) { |
42 | 0 | this(pattern, true); |
43 | } | |
44 | ||
45 | /** | |
46 | * Constructor specifying pattern and case sensitivity. | |
47 | * @param pattern the pattern for this term | |
48 | * @param ignoreCase if true, case should be ignored during matching | |
49 | */ | |
50 | 0 | protected StringTerm(String pattern, boolean ignoreCase) { |
51 | 0 | this.pattern = pattern; |
52 | 0 | this.ignoreCase = ignoreCase; |
53 | } | |
54 | ||
55 | /** | |
56 | * Return the pattern associated with this term. | |
57 | * @return the pattern associated with this term | |
58 | */ | |
59 | 0 | public String getPattern() { |
60 | 0 | return pattern; |
61 | } | |
62 | ||
63 | /** | |
64 | * Indicate if case should be ignored when matching. | |
65 | * @return if true, case should be ignored during matching | |
66 | */ | |
67 | 0 | public boolean getIgnoreCase() { |
68 | 0 | return ignoreCase; |
69 | } | |
70 | ||
71 | /** | |
72 | * Determine if the pattern associated with this term is a substring of the | |
73 | * supplied String. If ignoreCase is true then case will be ignored. | |
74 | * | |
75 | * @param match the String to compare to | |
76 | * @return true if this patter is a substring of the supplied String | |
77 | */ | |
78 | 0 | protected boolean match(String match) { |
79 | 0 | match: for (int length = match.length() - pattern.length(); length > 0; length--) { |
80 | 0 | for (int i = 0; i < pattern.length(); i++) { |
81 | 0 | char c1 = match.charAt(length + i); |
82 | 0 | char c2 = match.charAt(i); |
83 | 0 | if (c1 == c2) { |
84 | 0 | continue; |
85 | } | |
86 | 0 | if (ignoreCase) { |
87 | 0 | if (Character.toLowerCase(c1) == Character.toLowerCase(c2)) { |
88 | 0 | continue; |
89 | } | |
90 | 0 | if (Character.toUpperCase(c1) == Character.toUpperCase(c2)) { |
91 | 0 | continue; |
92 | } | |
93 | } | |
94 | 0 | continue match; |
95 | } | |
96 | 0 | return true; |
97 | } | |
98 | 0 | return false; |
99 | } | |
100 | ||
101 | 0 | public boolean equals(Object other) { |
102 | 0 | return super.equals(other) |
103 | && ((StringTerm) other).pattern.equals(pattern) | |
104 | && ((StringTerm) other).ignoreCase == ignoreCase; | |
105 | } | |
106 | ||
107 | 0 | public int hashCode() { |
108 | 0 | return super.hashCode() + pattern.hashCode() + (ignoreCase ? 32 : 79); |
109 | } | |
110 | } |
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