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 com.liferay.portal.kernel.util.ArrayUtil;
018    
019    import javax.mail.MessagingException;
020    import javax.mail.Session;
021    import javax.mail.internet.MimeMessage;
022    
023    /**
024     * @author Jorge Ferrer
025     */
026    public class LiferayMimeMessage extends MimeMessage {
027    
028            public LiferayMimeMessage(Session session) {
029                    super(session);
030            }
031    
032            @Override
033            protected void updateMessageID() throws MessagingException {
034                    String[] messageIds = getHeader("Message-ID");
035    
036                    if (ArrayUtil.isNotEmpty(messageIds)) {
037    
038                            // Keep current value
039    
040                            return;
041                    }
042    
043                    super.updateMessageID();
044            }
045    
046    }