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AndTerm.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 | import java.util.Arrays; | |
21 | import javax.mail.Message; | |
22 | ||
23 | /** | |
24 | * Term that implements a logical AND across terms. | |
25 | * | |
26 | * @version $Rev: 126550 $ $Date: 2005-01-26 14:27:45 -0800 (Wed, 26 Jan 2005) $ | |
27 | */ | |
28 | public final class AndTerm extends SearchTerm { | |
29 | /** | |
30 | * Terms to which the AND operator should be applied. | |
31 | */ | |
32 | protected SearchTerm[] terms; | |
33 | ||
34 | /** | |
35 | * Constructor for performing a binary AND. | |
36 | * | |
37 | * @param a the first term | |
38 | * @param b the second ter, | |
39 | */ | |
40 | 0 | public AndTerm(SearchTerm a, SearchTerm b) { |
41 | 0 | terms = new SearchTerm[]{a, b}; |
42 | } | |
43 | ||
44 | /** | |
45 | * Constructor for performing and AND across an arbitraty number of terms. | |
46 | * @param terms the terms to AND together | |
47 | */ | |
48 | 0 | public AndTerm(SearchTerm[] terms) { |
49 | 0 | this.terms = terms; |
50 | } | |
51 | ||
52 | /** | |
53 | * Return the terms. | |
54 | * @return the terms | |
55 | */ | |
56 | 0 | public SearchTerm[] getTerms() { |
57 | 0 | return terms; |
58 | } | |
59 | ||
60 | /** | |
61 | * Match by applying the terms, in order, to the Message and performing an AND operation | |
62 | * to the result. Comparision will stop immediately if one of the terms returns false. | |
63 | * | |
64 | * @param message the Message to apply the terms to | |
65 | * @return true if all terms match | |
66 | */ | |
67 | 0 | public boolean match(Message message) { |
68 | 0 | for (int i = 0; i < terms.length; i++) { |
69 | 0 | SearchTerm term = terms[i]; |
70 | 0 | if (!term.match(message)) { |
71 | 0 | return false; |
72 | } | |
73 | } | |
74 | 0 | return true; |
75 | } | |
76 | ||
77 | 0 | public boolean equals(Object other) { |
78 | 0 | if (other == this) return true; |
79 | 0 | if (other instanceof AndTerm == false) return false; |
80 | 0 | return Arrays.equals(terms, ((AndTerm) other).terms); |
81 | } | |
82 | ||
83 | 0 | public int hashCode() { |
84 | 0 | int hash = 0; |
85 | 0 | for (int i = 0; i < terms.length; i++) { |
86 | 0 | hash = hash * 37 + terms[i].hashCode(); |
87 | } | |
88 | 0 | return hash; |
89 | } | |
90 | } |
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