org.apache.james.transport.mailets.jsieve.FileIntoAction.java Source code

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Here is the source code for org.apache.james.transport.mailets.jsieve.FileIntoAction.java

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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
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package org.apache.james.transport.mailets.jsieve;

import javax.mail.MessagingException;

import org.apache.commons.logging.Log;
import org.apache.jsieve.mail.Action;
import org.apache.jsieve.mail.ActionFileInto;
import org.apache.mailet.Mail;
import org.apache.mailet.MailAddress;

/**
 * Performs the filing of a mail into a specified destination. 
 * <h4>Thread Safety</h4>
 * <p>An instance maybe safe accessed concurrently by multiple threads.</p>
 */
public class FileIntoAction implements MailAction {

    private static final char HIERARCHY_DELIMITER = '.';

    public void execute(Action action, Mail mail, ActionContext context) throws MessagingException {
        if (action instanceof ActionFileInto) {
            final ActionFileInto fileIntoAction = (ActionFileInto) action;
            execute(fileIntoAction, mail, context);
        }
    }

    /**
     * <p>
     * Executes the passed ActionFileInto.
     * </p>
     * 
     * <p>
     * This implementation accepts any destination with the root of <code>INBOX</code>.
     * </p>
     * 
     * <p>
     * As the current POP3 server does not support sub-folders, the mail is
     * stored in the INBOX for the recipient of the mail and the full intended
     * destination added as a prefix to the message's subject.
     * </p>
     * 
     * <p>
     * When IMAP support is added to James, it will be possible to support
     * sub-folders of <code>INBOX</code> fully.
     * </p>
     * 
     * @param anAction
     * @param aMail
     * @param context not null
     * @throws MessagingException
     */
    public void execute(ActionFileInto anAction, Mail aMail, final ActionContext context)
            throws MessagingException {
        String destinationMailbox = anAction.getDestination();
        MailAddress recipient;
        boolean delivered = false;
        try {
            recipient = ActionUtils.getSoleRecipient(aMail);

            if (!(destinationMailbox.length() > 0 && destinationMailbox.charAt(0) == HIERARCHY_DELIMITER)) {
                destinationMailbox = HIERARCHY_DELIMITER + destinationMailbox;
            }

            final String mailbox = destinationMailbox.replace(HIERARCHY_DELIMITER, '/');
            final String url = "mailbox://" + recipient.asString() + mailbox;
            //TODO: copying this message so many times seems a waste
            context.post(url, aMail);
            delivered = true;
        } catch (MessagingException ex) {
            final Log log = context.getLog();
            if (log.isDebugEnabled()) {
                log.debug("Error while storing mail into. " + destinationMailbox, ex);
            }
            throw ex;
        }
        if (delivered) {
            final Log log = context.getLog();
            if (log.isDebugEnabled()) {
                log.debug("Filed Message ID: " + aMail.getMessage().getMessageID() + " into destination: \""
                        + destinationMailbox + "\"");
            }
        }
    }
}