NotTerm


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the "License").  You may not use this file except 
5    * in compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * glassfish/bootstrap/legal/CDDLv1.0.txt or 
9    * https://glassfish.dev.java.net/public/CDDLv1.0.html. 
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * HEADER in each file and include the License file at 
15   * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable, 
16   * add the following below this CDDL HEADER, with the 
17   * fields enclosed by brackets "[]" replaced with your 
18   * own identifying information: Portions Copyright [yyyy] 
19   * [name of copyright owner]
20   */
21  
22  /*
23   * @(#)NotTerm.java 1.9 05/08/29
24   *
25   * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
26   */
27  
28  package javax.mail.search;
29  
30  import javax.mail.Message  ;
31  
32  /**
33   * This class implements the logical NEGATION operator.
34   *
35   * @author Bill Shannon
36   * @author John Mani
37   */
38  public final class NotTerm extends SearchTerm   {
39      /**
40       * The search term to negate.
41       *
42       * @serial
43       */
44      protected SearchTerm   term;
45  
46      private static final long serialVersionUID = 7152293214217310216L;
47  
48      public NotTerm(SearchTerm   t) {
49      term = t;
50      }
51  
52      /**
53       * Return the term to negate.
54       */
55      public SearchTerm   getTerm() {
56      return term;
57      }
58  
59      /* The NOT operation */
60      public boolean match(Message   msg) {
61      return !term.match(msg);
62      }
63  
64      /**
65       * Equality comparison.
66       */
67      public boolean equals(Object   obj) {
68      if (!(obj instanceof NotTerm  ))
69          return false;
70      NotTerm   nt = (NotTerm  )obj;
71      return nt.term.equals(this.term);
72      }
73  
74      /**
75       * Compute a hashCode for this object.
76       */
77      public int hashCode() {
78      return term.hashCode() << 1;
79      }
80  }
81
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags