javax.mail.event.ConnectionEvent.java Source code

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Here is the source code for javax.mail.event.ConnectionEvent.java

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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
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 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
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 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * Modifications:
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 */

package javax.mail.event;

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

/**
 * This class models Connection events.
 *
 * @author John Mani
 */

public class ConnectionEvent extends MailEvent {

    /** A connection was opened. */
    public static final int OPENED = 1;
    /** A connection was disconnected (not currently used). */
    public static final int DISCONNECTED = 2;
    /** A connection was closed. */
    public static final int CLOSED = 3;

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

    private static final long serialVersionUID = -1855480171284792957L;

    /**
     * Construct a ConnectionEvent.
     *
     * @param   source  The source object
     * @param   type   the event type
     */
    public ConnectionEvent(Object source, int type) {
        super(source);
        this.type = type;
    }

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

    /**
     * Invokes the appropriate ConnectionListener method
     */
    @Override
    public void dispatch(Object listener) {
        if (type == OPENED)
            ((ConnectionListener) listener).opened(this);
        else if (type == DISCONNECTED)
            ((ConnectionListener) listener).disconnected(this);
        else if (type == CLOSED)
            ((ConnectionListener) listener).closed(this);
    }
}