javax.mail.event.TransportEvent.java Source code

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * If you wish your version of this file to be governed by only the CDDL or
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 * elects to include this software in this distribution under the [CDDL or GPL
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 */

package javax.mail.event;

import java.util.*;
import javax.mail.*;

/**
 * This class models Transport events.
 *
 * @author John Mani
 * @author Max Spivak
 * 
 * @see javax.mail.Transport
 * @see javax.mail.event.TransportListener
 */

public class TransportEvent extends MailEvent {

    /**
     * Message has been   successfully delivered to all recipients by the
     * transport firing this event. validSent[] contains all the addresses
     * this transport sent to successfully. validUnsent[] and invalid[] 
     * should be null,
     */
    public static final int MESSAGE_DELIVERED = 1;

    /**
     * Message was not sent for some reason. validSent[] should be null. 
     * validUnsent[] may have addresses that are valid (but the message
     * wasn't sent to them). invalid[] should likely contain invalid addresses.
     */
    public static final int MESSAGE_NOT_DELIVERED = 2;

    /**
     * Message was successfully sent to some recipients but not to all. 
     * validSent[] holds addresses of recipients to whom the message was sent.
     * validUnsent[] holds valid addresses to which the message was not sent.
     * invalid[] holds invalid addresses, if any.
     */
    public static final int MESSAGE_PARTIALLY_DELIVERED = 3;

    /**
     * The event type.
     *
     * @serial
     */
    protected int type;

    /** The valid address to which the message was sent. */
    transient protected Address[] validSent;
    /** The valid address to which the message was not sent. */
    transient protected Address[] validUnsent;
    /** The invalid addresses. */
    transient protected Address[] invalid;
    /** The Message to which this event applies. */
    transient protected Message msg;

    private static final long serialVersionUID = -4729852364684273073L;

    /**
     * Constructor.
     *
     * @param   transport The Transport object
     * @param   type   the event type (MESSAGE_DELIVERED, etc.)
     * @param   validSent the valid addresses to which the message was sent
     * @param   validUnsent the valid addresses to which the message was
     *            not sent
     * @param   invalid   the invalid addresses
     * @param   msg   the message being sent
     */
    public TransportEvent(Transport transport, int type, Address[] validSent, Address[] validUnsent,
            Address[] invalid, Message msg) {
        super(transport);
        this.type = type;
        this.validSent = validSent;
        this.validUnsent = validUnsent;
        this.invalid = invalid;
        this.msg = msg;
    }

    /**
     * Return the type of this event.
     * @return  type
     */
    public int getType() {
        return type;
    }

    /**
     * Return the addresses to which this message was sent succesfully.
     * @return Addresses to which the message was sent successfully or null
     */
    public Address[] getValidSentAddresses() {
        return validSent;
    }

    /**
     * Return the addresses that are valid but to which this message 
     * was not sent.
     * @return Addresses that are valid but to which the message was 
     *         not sent successfully or null
     */
    public Address[] getValidUnsentAddresses() {
        return validUnsent;
    }

    /**
     * Return the addresses to which this message could not be sent.
     * @return Addresses to which the message sending failed or null
     */
    public Address[] getInvalidAddresses() {
        return invalid;
    }

    /**
     * Get the Message object associated with this Transport Event.
     *   
     * @return          the Message object
     * @since      JavaMail 1.2
     */
    public Message getMessage() {
        return msg;
    }

    /**
     * Invokes the appropriate TransportListener method.
     */
    @Override
    public void dispatch(Object listener) {
        if (type == MESSAGE_DELIVERED)
            ((TransportListener) listener).messageDelivered(this);
        else if (type == MESSAGE_NOT_DELIVERED)
            ((TransportListener) listener).messageNotDelivered(this);
        else // MESSAGE_PARTIALLY_DELIVERED
            ((TransportListener) listener).messagePartiallyDelivered(this);
    }
}