JDK8/Java8源码在线阅读

/*
 * Copyright (c) 2000, 2001, 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.print.event;

/**
  * An abstract adapter class for receiving print job events.
  * The methods in this class are empty.
  * This class exists as a convenience for creating listener objects.
  * Extend this class to create a {@link PrintJobEvent} listener and override
  * the methods for the events of interest.  Unlike the
  * {@link java.awt.event.ComponentListener ComponentListener}
  * interface, this abstract interface provides null methods so that you
  * only need to define the methods you need, rather than all of the methods.
  *
  */

public abstract class PrintJobAdapter implements PrintJobListener {

    /**
     * Called to notify the client that data has been successfully
     * transferred to the print service, and the client may free
     * local resources allocated for that data.  The client should
     * not assume that the data has been completely printed after
     * receiving this event.
     *
     * @param pje the event being notified
     */
    public void printDataTransferCompleted(PrintJobEvent pje)  {
    }

    /**
     * Called to notify the client that the job completed successfully.
     *
     * @param pje the event being notified
     */
    public void printJobCompleted(PrintJobEvent pje)  {
    }


    /**
     * Called to notify the client that the job failed to complete
     * successfully and will have to be resubmitted.
     *
     * @param pje the event being notified
     */
    public void printJobFailed(PrintJobEvent pje)  {
    }

    /**
     * Called to notify the client that the job was canceled
     * by user or program.
     *
     * @param pje the event being notified
     */
    public void printJobCanceled(PrintJobEvent pje) {
    }


    /**
     * Called to notify the client that no more events will be delivered.
     * One cause of this event being generated is if the job
     * has successfully completed, but the printing system
     * is limited in capability and cannot verify this.
     * This event is required to be delivered if none of the other
     * terminal events (completed/failed/canceled) are delivered.
     *

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