1 /**
2 *
3 * Copyright 2003-2006 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 javax.mail.Message;
21
22 /**
23 * Term that implements a logical negation.
24 *
25 * @version $Rev: 421852 $ $Date: 2006-07-14 03:02:19 -0700 (Fri, 14 Jul 2006) $
26 */
27 public final class NotTerm extends SearchTerm {
28 protected SearchTerm term;
29
30 public NotTerm(SearchTerm term) {
31 this.term = term;
32 }
33
34 public SearchTerm getTerm() {
35 return term;
36 }
37
38 public boolean match(Message message) {
39 return !term.match(message);
40 }
41
42 public boolean equals(Object other) {
43 if (other == this) return true;
44 if (other instanceof NotTerm == false) return false;
45 return term.equals(((NotTerm) other).term);
46 }
47
48 public int hashCode() {
49 return term.hashCode();
50 }
51 }