1 /*

     2  * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.  Oracle designates this

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

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

    10  *

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

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

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

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

    15  * accompanied this code).

    16  *

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

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

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

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

    23  * questions.

    24  */

    25 

    26 package javax.print.event;

    27 

    28 import javax.print.PrintService;

    29 import javax.print.attribute.AttributeSetUtilities;

    30 import javax.print.attribute.PrintServiceAttributeSet;

    31 

    32 /**

    33  * Class {@code PrintServiceAttributeEvent} encapsulates an event a Print

    34  * Service instance reports to let the client know of changes in the print

    35  * service state.

    36  */

    37 public class PrintServiceAttributeEvent extends PrintEvent {

    38 

    39     /**

    40      * Use serialVersionUID from JDK 1.4 for interoperability.

    41      */

    42     private static final long serialVersionUID = -7565987018140326600L;

    43 

    44     /**

    45      * The printing service attributes that changed.

    46      */

    47     private PrintServiceAttributeSet attributes;

    48 

    49     /**

    50      * Constructs a {@code PrintServiceAttributeEvent} object.

    51      *

    52      * @param  source the print job generating this event

    53      * @param  attributes the attribute changes being reported

    54      * @throws IllegalArgumentException if {@code source} is {@code null}

    55      */

    56     public PrintServiceAttributeEvent(PrintService source,

    57                                       PrintServiceAttributeSet attributes) {

    58 

    59         super(source);

    60         this.attributes = AttributeSetUtilities.unmodifiableView(attributes);

    61     }

    62 

    63     /**

    64      * Returns the print service.

    65      *

    66      * @return {@code PrintService} object

    67      */

    68     public PrintService getPrintService() {

    69 

    70         return (PrintService) getSource();

    71     }

    72 

    73     /**

    74      * Determine the printing service attributes that changed and their new

    75      * values.

    76      *

    77      * @return attributes containing the new values for the service attributes

    78      *         that changed. The returned set may be unmodifiable.

    79      */

    80     public PrintServiceAttributeSet getAttributes() {

    81 

    82         return attributes;

    83     }

    84 }