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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  import javax.mail.MessagingException;
22  
23  /**
24   * @version $Rev: 421852 $ $Date: 2006-07-14 03:02:19 -0700 (Fri, 14 Jul 2006) $
25   */
26  public final class HeaderTerm extends StringTerm {
27      protected String headerName;
28  
29      public HeaderTerm(String header, String pattern) {
30          super(pattern);
31          this.headerName = header;
32      }
33  
34      public String getHeaderName() {
35          return headerName;
36      }
37  
38      public boolean match(Message message) {
39          try {
40              String values[] = message.getHeader(headerName);
41              if (values != null) {
42                  for (int i = 0; i < values.length; i++) {
43                      String value = values[i];
44                      if (match(value)) {
45                          return true;
46                      }
47                  }
48              }
49              return false;
50          } catch (MessagingException e) {
51              return false;
52          }
53      }
54  
55      public boolean equals(Object other) {
56          if (other == this) return true;
57          if (other instanceof HeaderTerm == false) return false;
58          return headerName.equalsIgnoreCase(((HeaderTerm) other).headerName);
59      }
60  
61      public int hashCode() {
62          return headerName.toLowerCase().hashCode();
63      }
64  }