1 /*
   2  * Copyright (c) 2000, 2003, 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.DocPrintJob;
  29 import javax.print.attribute.AttributeSetUtilities;
  30 import javax.print.attribute.PrintJobAttributeSet;
  31 
  32 /**
  33  * Class PrintJobAttributeEvent encapsulates an event a PrintService
  34  * reports to let the client know that one or more printing attributes for a
  35  * PrintJob have changed.
  36  */
  37 
  38 public class PrintJobAttributeEvent extends PrintEvent {
  39 
  40     private static final long serialVersionUID = -6534469883874742101L;
  41 
  42     private PrintJobAttributeSet attributes;
  43 
  44     /**
  45      * Constructs a PrintJobAttributeEvent object.
  46      * @param source the print job generating  this event
  47      * @param attributes the attribute changes being reported
  48      * @throws IllegalArgumentException if {@code source} is
  49      *         {@code null}.
  50      */
  51     public PrintJobAttributeEvent (DocPrintJob source,
  52                                    PrintJobAttributeSet attributes)  {
  53         super(source);
  54 
  55         this.attributes = AttributeSetUtilities.unmodifiableView(attributes);
  56     }
  57 
  58 
  59     /**
  60      * Determine the Print Job to which this print job event pertains.
  61      *
  62      * @return  Print Job object.
  63      */
  64     public DocPrintJob getPrintJob() {
  65 
  66         return (DocPrintJob) getSource();
  67     }
  68 
  69 
  70     /**
  71      * Determine the printing attributes that changed and their new values.
  72      *
  73      * @return  Attributes containing the new values for the print job
  74      * attributes that changed. The returned set may not be modifiable.
  75      */
  76     public PrintJobAttributeSet getAttributes() {
  77 
  78         return attributes;
  79 
  80     }
  81 
  82 }