001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *  http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package javax.mail.search;
021    
022    import java.io.IOException;
023    import javax.mail.Message;
024    import javax.mail.MessagingException;
025    import javax.mail.Part;
026    import javax.mail.Multipart;
027    import javax.mail.BodyPart;
028    
029    /**
030     * Term that matches on a message body. All {@link javax.mail.BodyPart parts} that have
031     * a MIME type of "text/*" are searched.
032     *
033     * @version $Rev: 920714 $ $Date: 2010-03-09 01:55:49 -0500 (Tue, 09 Mar 2010) $
034     */
035    public final class BodyTerm extends StringTerm {
036            
037            private static final long serialVersionUID = -4888862527916911385L;
038            
039        public BodyTerm(String pattern) {
040            super(pattern);
041        }
042    
043        public boolean match(Message message) {
044            try {
045                return matchPart(message);
046            } catch (IOException e) {
047                return false;
048            } catch (MessagingException e) {
049                return false;
050            }
051        }
052    
053        private boolean matchPart(Part part) throws MessagingException, IOException {
054            if (part.isMimeType("multipart/*")) {
055                Multipart mp = (Multipart) part.getContent();
056                int count = mp.getCount();
057                for (int i=0; i < count; i++) {
058                    BodyPart bp = mp.getBodyPart(i);
059                    if (matchPart(bp)) {
060                        return true;
061                    }
062                }
063                return false;
064            } else if (part.isMimeType("text/*")) {
065                String content = (String) part.getContent();
066                return super.match(content);
067            } else if (part.isMimeType("message/rfc822")) {
068                // nested messages need recursion        
069                return matchPart((Part)part.getContent());
070            } else {
071                return false;
072            }
073        }
074    }