001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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    }