org.masukomi.aspirin.core.Bouncer.java Source code

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Here is the source code for org.masukomi.aspirin.core.Bouncer.java

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/*
 * Created on Jan 5, 2004
 * 
 * Copyright (c) 2004 Katherine Rhodes (masukomi at masukomi dot org)
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.masukomi.aspirin.core;

import java.io.IOException;
import java.util.Collection;
import java.util.Date;
import java.util.HashSet;
import javax.mail.Address;
import javax.mail.MessagingException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import org.apache.james.util.RFC2822Headers;
import org.apache.james.util.RFC822DateFormat;
import org.apache.mailet.Mail;
import org.apache.mailet.MailAddress;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * DOCUMENT ME!
 * 
 * @author Administrator To change the template for this generated type comment
 *         go to Window - Preferences - Java - Code Generation - Code and
 *         Comments
 */
public class Bouncer {
    static private Log log = LogFactory.getLog(Bouncer.class);
    /** An RFC822 date formatter used to format dates in mail headers */
    private static RFC822DateFormat rfc822DateFormat = new RFC822DateFormat();

    /**
     * This generates a response to the Return-Path address, or the address of
     * the message's sender if the Return-Path is not available. Note that this
     * is different than a mail-client's reply, which would use the Reply-To or
     * From header.
     * 
     * @param mail
     *            DOCUMENT ME!
     * @param message
     *            DOCUMENT ME!
     * @param bouncer
     *            DOCUMENT ME!
     * 
     * @throws MessagingException
     *             DOCUMENT ME!
     */
    static public void bounce(MailQue que, Mail mail, String message, MailAddress bouncer)
            throws MessagingException {
        if (bouncer != null) {
            if (log.isDebugEnabled()) {
                log.debug("bouncing message to postmaster");
            }
            MimeMessage orig = mail.getMessage();
            //Create the reply message
            MimeMessage reply = (MimeMessage) orig.reply(false);
            //If there is a Return-Path header,
            if (orig.getHeader(RFC2822Headers.RETURN_PATH) != null) {
                //Return the message to that address, not to the Reply-To
                // address
                reply.setRecipient(MimeMessage.RecipientType.TO,
                        new InternetAddress(orig.getHeader(RFC2822Headers.RETURN_PATH)[0]));
            }
            //Create the list of recipients in our MailAddress format
            Collection recipients = new HashSet();
            Address[] addresses = reply.getAllRecipients();
            for (int i = 0; i < addresses.length; i++) {
                recipients.add(new MailAddress((InternetAddress) addresses[i]));
            }
            //Change the sender...
            reply.setFrom(bouncer.toInternetAddress());
            try {
                //Create the message body
                MimeMultipart multipart = new MimeMultipart();
                //Add message as the first mime body part
                MimeBodyPart part = new MimeBodyPart();
                part.setContent(message, "text/plain");
                part.setHeader(RFC2822Headers.CONTENT_TYPE, "text/plain");
                multipart.addBodyPart(part);
                //Add the original message as the second mime body part
                part = new MimeBodyPart();
                part.setContent(orig.getContent(), orig.getContentType());
                part.setHeader(RFC2822Headers.CONTENT_TYPE, orig.getContentType());
                multipart.addBodyPart(part);
                reply.setHeader(RFC2822Headers.DATE, rfc822DateFormat.format(new Date()));
                reply.setContent(multipart);
                reply.setHeader(RFC2822Headers.CONTENT_TYPE, multipart.getContentType());
            } catch (IOException ioe) {
                throw new MessagingException("Unable to create multipart body", ioe);
            }
            //Send it off...
            //sendMail( bouncer, recipients, reply );
            que.queMail(reply);
        }
    }
}