/*

 * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package javax.naming.event;

import javax.naming.NamingException;

/**

  * This class represents an event fired when the procedures/processes

  * used to collect information for notifying listeners of

  * {@code NamingEvent}s threw a {@code NamingException}.

  * This can happen, for example, if the server which the listener is using

  * aborts subsequent to the {@code addNamingListener()} call.

  *

  * @author Rosanna Lee

  * @author Scott Seligman

  *

  * @see NamingListener#namingExceptionThrown

  * @see EventContext

  * @since 1.3

  */

public class NamingExceptionEvent extends java.util.EventObject {

    /**

     * Contains the exception that was thrown

     * @serial

     */

    private NamingException exception;

    /**

     * Constructs an instance of {@code NamingExceptionEvent} using

     * the context in which the {@code NamingException} was thrown and the exception

     * that was thrown.

     *

     * @param source The non-null context in which the exception was thrown.

     * @param exc    The non-null {@code NamingException} that was thrown.

     *

     */

    public NamingExceptionEvent(EventContext source, NamingException exc) {

        super(source);

        exception = exc;

    }

    /**

     * Retrieves the exception that was thrown.

     * @return The exception that was thrown.

     */

    public NamingException getException() {

        return exception;

    }

    /**

     * Retrieves the {@code EventContext} that fired this event.

     * This returns the same object as {@code EventObject.getSource()}.

     * @return The non-null {@code EventContext} that fired this event.

     */

    public EventContext getEventContext() {

        return (EventContext)getSource();

    }

    /**

     * Invokes the {@code namingExceptionThrown()} method on

     * a listener using this event.

     * @param listener The non-null naming listener on which to invoke

     * the method.

     */

    public void dispatch(NamingListener listener) {

        listener.namingExceptionThrown(this);

    }

    private static final long serialVersionUID = -4877678086134736336L;

}