/*

 * 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

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 */

package javax.print.event;

import javax.print.DocPrintJob;

import javax.print.attribute.AttributeSetUtilities;

import javax.print.attribute.PrintJobAttributeSet;

/**

 * Class PrintJobAttributeEvent encapsulates an event a PrintService

 * reports to let the client know that one or more printing attributes for a

 * PrintJob have changed.

 */

public class PrintJobAttributeEvent extends PrintEvent {

    private static final long serialVersionUID = -6534469883874742101L;

    private PrintJobAttributeSet attributes;

    /**

     * Constructs a PrintJobAttributeEvent 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 PrintJobAttributeEvent (DocPrintJob source,

                                   PrintJobAttributeSet attributes)  {

        super(source);

        this.attributes = AttributeSetUtilities.unmodifiableView(attributes);

    }

    /**

     * Determine the Print Job to which this print job event pertains.

     *

     * @return  Print Job object.

     */

    public DocPrintJob getPrintJob() {

        return (DocPrintJob) getSource();

    }

    /**

     * Determine the printing attributes that changed and their new values.

     *

     * @return  Attributes containing the new values for the print job

     * attributes that changed. The returned set may not be modifiable.

     */

    public PrintJobAttributeSet getAttributes() {

        return attributes;

    }

}