553 lines
20 KiB
Java
553 lines
20 KiB
Java
/*
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* Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.print;
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import java.net.URL;
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import java.io.InputStream;
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import java.io.IOException;
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import java.io.Reader;
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import java.util.Vector;
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import javax.print.CancelablePrintJob;
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import javax.print.Doc;
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import javax.print.DocFlavor;
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import javax.print.DocPrintJob;
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import javax.print.PrintService;
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import javax.print.PrintException;
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import javax.print.event.PrintJobEvent;
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import javax.print.event.PrintJobListener;
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import javax.print.event.PrintJobAttributeListener;
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import javax.print.attribute.Attribute;
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import javax.print.attribute.AttributeSet;
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import javax.print.attribute.AttributeSetUtilities;
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import javax.print.attribute.DocAttributeSet;
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import javax.print.attribute.HashPrintJobAttributeSet;
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import javax.print.attribute.HashPrintRequestAttributeSet;
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import javax.print.attribute.PrintJobAttribute;
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import javax.print.attribute.PrintJobAttributeSet;
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import javax.print.attribute.PrintRequestAttribute;
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import javax.print.attribute.PrintRequestAttributeSet;
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import javax.print.attribute.standard.Copies;
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import javax.print.attribute.standard.DocumentName;
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import javax.print.attribute.standard.Fidelity;
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import javax.print.attribute.standard.JobName;
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import javax.print.attribute.standard.JobOriginatingUserName;
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import javax.print.attribute.standard.Media;
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import javax.print.attribute.standard.MediaSize;
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import javax.print.attribute.standard.MediaSizeName;
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import javax.print.attribute.standard.OrientationRequested;
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import javax.print.attribute.standard.RequestingUserName;
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import java.awt.print.*;
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public class PSStreamPrintJob implements CancelablePrintJob {
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transient private Vector jobListeners;
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transient private Vector attrListeners;
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transient private Vector listenedAttributeSets;
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private PSStreamPrintService service;
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private boolean fidelity;
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private boolean printing = false;
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private boolean printReturned = false;
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private PrintRequestAttributeSet reqAttrSet = null;
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private PrintJobAttributeSet jobAttrSet = null;
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private PrinterJob job;
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private Doc doc;
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/* these variables used globally to store reference to the print
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* data retrieved as a stream. On completion these are always closed
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* if non-null.
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*/
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private InputStream instream = null;
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private Reader reader = null;
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/* default values overridden by those extracted from the attributes */
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private String jobName = "Java Printing";
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private int copies = 1;
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private MediaSize mediaSize = MediaSize.NA.LETTER;
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private OrientationRequested orient = OrientationRequested.PORTRAIT;
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PSStreamPrintJob(PSStreamPrintService service) {
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this.service = service;
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}
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public PrintService getPrintService() {
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return service;
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}
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public PrintJobAttributeSet getAttributes() {
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synchronized (this) {
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if (jobAttrSet == null) {
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/* just return an empty set until the job is submitted */
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PrintJobAttributeSet jobSet = new HashPrintJobAttributeSet();
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return AttributeSetUtilities.unmodifiableView(jobSet);
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} else {
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return jobAttrSet;
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}
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}
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}
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public void addPrintJobListener(PrintJobListener listener) {
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synchronized (this) {
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if (listener == null) {
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return;
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}
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if (jobListeners == null) {
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jobListeners = new Vector();
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}
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jobListeners.add(listener);
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}
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}
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public void removePrintJobListener(PrintJobListener listener) {
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synchronized (this) {
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if (listener == null || jobListeners == null ) {
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return;
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}
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jobListeners.remove(listener);
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if (jobListeners.isEmpty()) {
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jobListeners = null;
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}
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}
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}
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/* Closes any stream already retrieved for the data.
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* We want to avoid unnecessarily asking the Doc to create a stream only
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* to get a reference in order to close it because the job failed.
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* If the representation class is itself a "stream", this
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* closes that stream too.
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*/
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private void closeDataStreams() {
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if (doc == null) {
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return;
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}
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Object data = null;
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try {
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data = doc.getPrintData();
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} catch (IOException e) {
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return;
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}
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if (instream != null) {
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try {
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instream.close();
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} catch (IOException e) {
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} finally {
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instream = null;
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}
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}
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else if (reader != null) {
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try {
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reader.close();
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} catch (IOException e) {
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} finally {
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reader = null;
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}
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}
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else if (data instanceof InputStream) {
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try {
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((InputStream)data).close();
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} catch (IOException e) {
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}
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}
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else if (data instanceof Reader) {
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try {
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((Reader)data).close();
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} catch (IOException e) {
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}
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}
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}
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private void notifyEvent(int reason) {
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synchronized (this) {
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if (jobListeners != null) {
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PrintJobListener listener;
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PrintJobEvent event = new PrintJobEvent(this, reason);
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for (int i = 0; i < jobListeners.size(); i++) {
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listener = (PrintJobListener)(jobListeners.elementAt(i));
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switch (reason) {
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case PrintJobEvent.JOB_CANCELED :
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listener.printJobCanceled(event);
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break;
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case PrintJobEvent.JOB_FAILED :
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listener.printJobFailed(event);
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break;
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case PrintJobEvent.DATA_TRANSFER_COMPLETE :
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listener.printDataTransferCompleted(event);
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break;
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case PrintJobEvent.NO_MORE_EVENTS :
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listener.printJobNoMoreEvents(event);
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break;
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case PrintJobEvent.JOB_COMPLETE :
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listener.printJobCompleted(event);
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break;
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default:
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break;
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}
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}
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}
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}
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}
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public void addPrintJobAttributeListener(
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PrintJobAttributeListener listener,
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PrintJobAttributeSet attributes) {
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synchronized (this) {
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if (listener == null) {
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return;
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}
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if (attrListeners == null) {
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attrListeners = new Vector();
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listenedAttributeSets = new Vector();
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}
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attrListeners.add(listener);
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if (attributes == null) {
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attributes = new HashPrintJobAttributeSet();
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}
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listenedAttributeSets.add(attributes);
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}
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}
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public void removePrintJobAttributeListener(
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PrintJobAttributeListener listener) {
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synchronized (this) {
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if (listener == null || attrListeners == null ) {
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return;
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}
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int index = attrListeners.indexOf(listener);
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if (index == -1) {
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return;
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} else {
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attrListeners.remove(index);
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listenedAttributeSets.remove(index);
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if (attrListeners.isEmpty()) {
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attrListeners = null;
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listenedAttributeSets = null;
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}
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}
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}
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}
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public void print(Doc doc, PrintRequestAttributeSet attributes)
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throws PrintException {
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synchronized (this) {
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if (printing) {
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throw new PrintException("already printing");
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} else {
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printing = true;
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}
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}
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this.doc = doc;
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/* check if the parameters are valid before doing much processing */
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DocFlavor flavor = doc.getDocFlavor();
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Object data;
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try {
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data = doc.getPrintData();
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} catch (IOException e) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException("can't get print data: " + e.toString());
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}
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if (flavor == null || (!service.isDocFlavorSupported(flavor))) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintJobFlavorException("invalid flavor", flavor);
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}
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initializeAttributeSets(doc, attributes);
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getAttributeValues(flavor);
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String repClassName = flavor.getRepresentationClassName();
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if (flavor.equals(DocFlavor.INPUT_STREAM.GIF) ||
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flavor.equals(DocFlavor.INPUT_STREAM.JPEG) ||
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flavor.equals(DocFlavor.INPUT_STREAM.PNG) ||
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flavor.equals(DocFlavor.BYTE_ARRAY.GIF) ||
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flavor.equals(DocFlavor.BYTE_ARRAY.JPEG) ||
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flavor.equals(DocFlavor.BYTE_ARRAY.PNG)) {
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try {
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instream = doc.getStreamForBytes();
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printableJob(new ImagePrinter(instream), reqAttrSet);
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return;
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} catch (ClassCastException cce) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException(cce);
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} catch (IOException ioe) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException(ioe);
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}
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} else if (flavor.equals(DocFlavor.URL.GIF) ||
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flavor.equals(DocFlavor.URL.JPEG) ||
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flavor.equals(DocFlavor.URL.PNG)) {
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try {
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printableJob(new ImagePrinter((URL)data), reqAttrSet);
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return;
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} catch (ClassCastException cce) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException(cce);
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}
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} else if (repClassName.equals("java.awt.print.Pageable")) {
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try {
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pageableJob((Pageable)doc.getPrintData(), reqAttrSet);
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return;
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} catch (ClassCastException cce) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException(cce);
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} catch (IOException ioe) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException(ioe);
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}
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} else if (repClassName.equals("java.awt.print.Printable")) {
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try {
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printableJob((Printable)doc.getPrintData(), reqAttrSet);
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return;
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} catch (ClassCastException cce) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException(cce);
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} catch (IOException ioe) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException(ioe);
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}
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} else {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException("unrecognized class: "+repClassName);
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}
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}
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public void printableJob(Printable printable,
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PrintRequestAttributeSet attributes)
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throws PrintException {
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try {
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synchronized(this) {
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if (job != null) { // shouldn't happen
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throw new PrintException("already printing");
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} else {
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job = new PSPrinterJob();
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}
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}
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job.setPrintService(getPrintService());
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PageFormat pf = new PageFormat();
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if (mediaSize != null) {
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Paper p = new Paper();
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p.setSize(mediaSize.getX(MediaSize.INCH)*72.0,
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mediaSize.getY(MediaSize.INCH)*72.0);
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p.setImageableArea(72.0, 72.0, p.getWidth()-144.0,
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p.getHeight()-144.0);
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pf.setPaper(p);
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}
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if (orient == OrientationRequested.REVERSE_LANDSCAPE) {
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pf.setOrientation(PageFormat.REVERSE_LANDSCAPE);
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} else if (orient == OrientationRequested.LANDSCAPE) {
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pf.setOrientation(PageFormat.LANDSCAPE);
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}
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job.setPrintable(printable, pf);
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job.print(attributes);
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notifyEvent(PrintJobEvent.JOB_COMPLETE);
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return;
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} catch (PrinterException pe) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException(pe);
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} finally {
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printReturned = true;
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}
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}
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public void pageableJob(Pageable pageable,
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PrintRequestAttributeSet attributes)
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throws PrintException {
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try {
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synchronized(this) {
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if (job != null) { // shouldn't happen
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throw new PrintException("already printing");
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} else {
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job = new PSPrinterJob();
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}
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}
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job.setPrintService(getPrintService());
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job.setPageable(pageable);
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job.print(attributes);
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notifyEvent(PrintJobEvent.JOB_COMPLETE);
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return;
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} catch (PrinterException pe) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintException(pe);
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} finally {
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printReturned = true;
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}
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}
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/* There's some inefficiency here as the job set is created even though
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* it may never be requested.
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*/
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private synchronized void
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initializeAttributeSets(Doc doc, PrintRequestAttributeSet reqSet) {
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reqAttrSet = new HashPrintRequestAttributeSet();
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jobAttrSet = new HashPrintJobAttributeSet();
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Attribute[] attrs;
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if (reqSet != null) {
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reqAttrSet.addAll(reqSet);
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attrs = reqSet.toArray();
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for (int i=0; i<attrs.length; i++) {
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if (attrs[i] instanceof PrintJobAttribute) {
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jobAttrSet.add(attrs[i]);
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}
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}
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}
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DocAttributeSet docSet = doc.getAttributes();
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if (docSet != null) {
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attrs = docSet.toArray();
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for (int i=0; i<attrs.length; i++) {
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if (attrs[i] instanceof PrintRequestAttribute) {
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reqAttrSet.add(attrs[i]);
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}
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if (attrs[i] instanceof PrintJobAttribute) {
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jobAttrSet.add(attrs[i]);
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}
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}
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}
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/* add the user name to the job */
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String userName = "";
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try {
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userName = System.getProperty("user.name");
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} catch (SecurityException se) {
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}
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if (userName == null || userName.equals("")) {
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RequestingUserName ruName =
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(RequestingUserName)reqSet.get(RequestingUserName.class);
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if (ruName != null) {
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jobAttrSet.add(
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new JobOriginatingUserName(ruName.getValue(),
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ruName.getLocale()));
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} else {
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jobAttrSet.add(new JobOriginatingUserName("", null));
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}
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} else {
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jobAttrSet.add(new JobOriginatingUserName(userName, null));
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}
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/* if no job name supplied use doc name (if supplied), if none and
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* its a URL use that, else finally anything .. */
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if (jobAttrSet.get(JobName.class) == null) {
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JobName jobName;
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if (docSet != null && docSet.get(DocumentName.class) != null) {
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DocumentName docName =
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(DocumentName)docSet.get(DocumentName.class);
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jobName = new JobName(docName.getValue(), docName.getLocale());
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jobAttrSet.add(jobName);
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} else {
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String str = "JPS Job:" + doc;
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try {
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Object printData = doc.getPrintData();
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if (printData instanceof URL) {
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str = ((URL)(doc.getPrintData())).toString();
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}
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} catch (IOException e) {
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}
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jobName = new JobName(str, null);
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jobAttrSet.add(jobName);
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}
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}
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jobAttrSet = AttributeSetUtilities.unmodifiableView(jobAttrSet);
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}
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private void getAttributeValues(DocFlavor flavor) throws PrintException {
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Attribute attr;
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Class category;
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if (reqAttrSet.get(Fidelity.class) == Fidelity.FIDELITY_TRUE) {
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fidelity = true;
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} else {
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fidelity = false;
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}
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Attribute []attrs = reqAttrSet.toArray();
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for (int i=0; i<attrs.length; i++) {
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attr = attrs[i];
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category = attr.getCategory();
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if (fidelity == true) {
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if (!service.isAttributeCategorySupported(category)) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintJobAttributeException(
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"unsupported category: " + category, category, null);
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} else if
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(!service.isAttributeValueSupported(attr, flavor, null)) {
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notifyEvent(PrintJobEvent.JOB_FAILED);
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throw new PrintJobAttributeException(
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"unsupported attribute: " + attr, null, attr);
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}
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}
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if (category == JobName.class) {
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jobName = ((JobName)attr).getValue();
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} else if (category == Copies.class) {
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copies = ((Copies)attr).getValue();
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} else if (category == Media.class) {
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if (attr instanceof MediaSizeName &&
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service.isAttributeValueSupported(attr, null, null)) {
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mediaSize =
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MediaSize.getMediaSizeForName((MediaSizeName)attr);
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}
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} else if (category == OrientationRequested.class) {
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orient = (OrientationRequested)attr;
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}
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}
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}
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/* Cancel PrinterJob jobs that haven't yet completed. */
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public void cancel() throws PrintException {
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synchronized (this) {
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if (!printing) {
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throw new PrintException("Job is not yet submitted.");
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} else if (job != null && !printReturned) {
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job.cancel();
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notifyEvent(PrintJobEvent.JOB_CANCELED);
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return;
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} else {
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throw new PrintException("Job could not be cancelled.");
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|