001    /**
002     *
003     * Copyright 2003-2006 The Apache Software Foundation
004     *
005     *  Licensed under the Apache License, Version 2.0 (the "License");
006     *  you may not use this file except in compliance with the License.
007     *  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    
018    package javax.mail.search;
019    
020    import javax.mail.Message;
021    import javax.mail.MessagingException;
022    
023    /**
024     * @version $Rev: 421852 $ $Date: 2006-07-14 03:02:19 -0700 (Fri, 14 Jul 2006) $
025     */
026    public final class HeaderTerm extends StringTerm {
027        protected String headerName;
028    
029        public HeaderTerm(String header, String pattern) {
030            super(pattern);
031            this.headerName = header;
032        }
033    
034        public String getHeaderName() {
035            return headerName;
036        }
037    
038        public boolean match(Message message) {
039            try {
040                String values[] = message.getHeader(headerName);
041                if (values != null) {
042                    for (int i = 0; i < values.length; i++) {
043                        String value = values[i];
044                        if (match(value)) {
045                            return true;
046                        }
047                    }
048                }
049                return false;
050            } catch (MessagingException e) {
051                return false;
052            }
053        }
054    
055        public boolean equals(Object other) {
056            if (other == this) return true;
057            if (other instanceof HeaderTerm == false) return false;
058            return headerName.equalsIgnoreCase(((HeaderTerm) other).headerName);
059        }
060    
061        public int hashCode() {
062            return headerName.toLowerCase().hashCode();
063        }
064    }