001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.util.mail;
016    
017    import javax.mail.MessagingException;
018    import javax.mail.Session;
019    import javax.mail.internet.MimeMessage;
020    
021    /**
022     * @author Jorge Ferrer
023     */
024    public class LiferayMimeMessage extends MimeMessage {
025    
026            public LiferayMimeMessage(Session session) {
027                    super(session);
028            }
029    
030            @Override
031            protected void updateMessageID() throws MessagingException {
032                    String[] messageIds = getHeader("Message-ID");
033    
034                    if ((messageIds != null) && (messageIds.length > 0)) {
035    
036                            // Keep current value
037    
038                            return;
039                    }
040    
041                    super.updateMessageID();
042            }
043    
044    }