1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package javax.mail.search;
21
22 import javax.mail.Message;
23
24 /**
25 * Term that implements a logical negation.
26 *
27 * @version $Rev: 467553 $ $Date: 2006-10-25 00:01:51 -0400 (Wed, 25 Oct 2006) $
28 */
29 public final class NotTerm extends SearchTerm {
30 protected SearchTerm term;
31
32 public NotTerm(SearchTerm term) {
33 this.term = term;
34 }
35
36 public SearchTerm getTerm() {
37 return term;
38 }
39
40 public boolean match(Message message) {
41 return !term.match(message);
42 }
43
44 public boolean equals(Object other) {
45 if (other == this) return true;
46 if (other instanceof NotTerm == false) return false;
47 return term.equals(((NotTerm) other).term);
48 }
49
50 public int hashCode() {
51 return term.hashCode();
52 }
53 }