/* * Copyright (c) 2000, 2003, 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; import javax.print.PrintService;import javax.print.attribute.AttributeSetUtilities;import javax.print.attribute.PrintServiceAttributeSet; /** * * Class PrintServiceAttributeEvent encapsulates an event a * Print Service instance reports to let the client know of * changes in the print service state. */ public class PrintServiceAttributeEvent extends PrintEvent {     private static final long serialVersionUID = -7565987018140326600L;     private PrintServiceAttributeSet attributes;     /**     * Constructs a PrintServiceAttributeEvent object.     *     * @param source the print job generating  this event     * @param attributes the attribute changes being reported     * @throws IllegalArgumentException if <code>source</code> is     *         <code>null</code>.     */    public PrintServiceAttributeEvent(PrintService source,                                      PrintServiceAttributeSet attributes) {         super(source);        this.attributes = AttributeSetUtilities.unmodifiableView(attributes);    }      /**     * Returns the print service.      * @return  Print Service object.     */    public PrintService getPrintService() {         return (PrintService) getSource();    }      /**     * Determine the printing service attributes that changed and their new     * values.     *     * @return  Attributes containing the new values for the service     * attributes that changed. The returned set may be unmodifiable.     */    public PrintServiceAttributeSet getAttributes() {         return attributes;    } }