Java example source code file (UnixPrintJob.java)
The UnixPrintJob.java Java example source code
/*
* Copyright (c) 2000, 2013, 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 sun.print;
import java.net.URI;
import java.net.URL;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.nio.file.Files;
import java.util.Vector;
import javax.print.CancelablePrintJob;
import javax.print.Doc;
import javax.print.DocFlavor;
import javax.print.DocPrintJob;
import javax.print.PrintService;
import javax.print.PrintException;
import javax.print.event.PrintJobEvent;
import javax.print.event.PrintJobListener;
import javax.print.event.PrintJobAttributeListener;
import javax.print.attribute.Attribute;
import javax.print.attribute.AttributeSet;
import javax.print.attribute.AttributeSetUtilities;
import javax.print.attribute.DocAttributeSet;
import javax.print.attribute.HashPrintJobAttributeSet;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintJobAttribute;
import javax.print.attribute.PrintJobAttributeSet;
import javax.print.attribute.PrintRequestAttribute;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.PrintServiceAttributeSet;
import javax.print.attribute.standard.Copies;
import javax.print.attribute.standard.Destination;
import javax.print.attribute.standard.DocumentName;
import javax.print.attribute.standard.Fidelity;
import javax.print.attribute.standard.JobName;
import javax.print.attribute.standard.JobOriginatingUserName;
import javax.print.attribute.standard.JobSheets;
import javax.print.attribute.standard.Media;
import javax.print.attribute.standard.MediaSize;
import javax.print.attribute.standard.MediaSizeName;
import javax.print.attribute.standard.OrientationRequested;
import javax.print.attribute.standard.PrinterName;
import javax.print.attribute.standard.RequestingUserName;
import javax.print.attribute.standard.NumberUp;
import javax.print.attribute.standard.Sides;
import javax.print.attribute.standard.PrinterIsAcceptingJobs;
import java.awt.print.*;
public class UnixPrintJob implements CancelablePrintJob {
private static String debugPrefix = "UnixPrintJob>> ";
transient private Vector jobListeners;
transient private Vector attrListeners;
transient private Vector listenedAttributeSets;
private PrintService service;
private boolean fidelity;
private boolean printing = false;
private boolean printReturned = false;
private PrintRequestAttributeSet reqAttrSet = null;
private PrintJobAttributeSet jobAttrSet = null;
private PrinterJob job;
private Doc doc;
/* these variables used globally to store reference to the print
* data retrieved as a stream. On completion these are always closed
* if non-null.
*/
private InputStream instream = null;
private Reader reader = null;
/* default values overridden by those extracted from the attributes */
private String jobName = "Java Printing";
private int copies = 1;
private MediaSizeName mediaName = MediaSizeName.NA_LETTER;
private MediaSize mediaSize = MediaSize.NA.LETTER;
private CustomMediaTray customTray = null;
private OrientationRequested orient = OrientationRequested.PORTRAIT;
private NumberUp nUp = null;
private Sides sides = null;
UnixPrintJob(PrintService service) {
this.service = service;
mDestination = service.getName();
if (UnixPrintServiceLookup.isMac()) {
mDestination = ((IPPPrintService)service).getDest();
}
mDestType = UnixPrintJob.DESTPRINTER;
}
public PrintService getPrintService() {
return service;
}
public PrintJobAttributeSet getAttributes() {
synchronized (this) {
if (jobAttrSet == null) {
/* just return an empty set until the job is submitted */
PrintJobAttributeSet jobSet = new HashPrintJobAttributeSet();
return AttributeSetUtilities.unmodifiableView(jobSet);
} else {
return jobAttrSet;
}
}
}
public void addPrintJobListener(PrintJobListener listener) {
synchronized (this) {
if (listener == null) {
return;
}
if (jobListeners == null) {
jobListeners = new Vector();
}
jobListeners.add(listener);
}
}
public void removePrintJobListener(PrintJobListener listener) {
synchronized (this) {
if (listener == null || jobListeners == null ) {
return;
}
jobListeners.remove(listener);
if (jobListeners.isEmpty()) {
jobListeners = null;
}
}
}
/* Closes any stream already retrieved for the data.
* We want to avoid unnecessarily asking the Doc to create a stream only
* to get a reference in order to close it because the job failed.
* If the representation class is itself a "stream", this
* closes that stream too.
*/
private void closeDataStreams() {
if (doc == null) {
return;
}
Object data = null;
try {
data = doc.getPrintData();
} catch (IOException e) {
return;
}
if (instream != null) {
try {
instream.close();
} catch (IOException e) {
} finally {
instream = null;
}
}
else if (reader != null) {
try {
reader.close();
} catch (IOException e) {
} finally {
reader = null;
}
}
else if (data instanceof InputStream) {
try {
((InputStream)data).close();
} catch (IOException e) {
}
}
else if (data instanceof Reader) {
try {
((Reader)data).close();
} catch (IOException e) {
}
}
}
private void notifyEvent(int reason) {
/* since this method should always get called, here's where
* we will perform the clean up of any data stream supplied.
*/
switch (reason) {
case PrintJobEvent.DATA_TRANSFER_COMPLETE:
case PrintJobEvent.JOB_CANCELED :
case PrintJobEvent.JOB_FAILED :
case PrintJobEvent.NO_MORE_EVENTS :
case PrintJobEvent.JOB_COMPLETE :
closeDataStreams();
}
synchronized (this) {
if (jobListeners != null) {
PrintJobListener listener;
PrintJobEvent event = new PrintJobEvent(this, reason);
for (int i = 0; i < jobListeners.size(); i++) {
listener = (PrintJobListener)(jobListeners.elementAt(i));
switch (reason) {
case PrintJobEvent.JOB_CANCELED :
listener.printJobCanceled(event);
break;
case PrintJobEvent.JOB_FAILED :
listener.printJobFailed(event);
break;
case PrintJobEvent.DATA_TRANSFER_COMPLETE :
listener.printDataTransferCompleted(event);
break;
case PrintJobEvent.NO_MORE_EVENTS :
listener.printJobNoMoreEvents(event);
break;
default:
break;
}
}
}
}
}
public void addPrintJobAttributeListener(
PrintJobAttributeListener listener,
PrintJobAttributeSet attributes) {
synchronized (this) {
if (listener == null) {
return;
}
if (attrListeners == null) {
attrListeners = new Vector();
listenedAttributeSets = new Vector();
}
attrListeners.add(listener);
if (attributes == null) {
attributes = new HashPrintJobAttributeSet();
}
listenedAttributeSets.add(attributes);
}
}
public void removePrintJobAttributeListener(
PrintJobAttributeListener listener) {
synchronized (this) {
if (listener == null || attrListeners == null ) {
return;
}
int index = attrListeners.indexOf(listener);
if (index == -1) {
return;
} else {
attrListeners.remove(index);
listenedAttributeSets.remove(index);
if (attrListeners.isEmpty()) {
attrListeners = null;
listenedAttributeSets = null;
}
}
}
}
public void print(Doc doc, PrintRequestAttributeSet attributes)
throws PrintException {
synchronized (this) {
if (printing) {
throw new PrintException("already printing");
} else {
printing = true;
}
}
if ((PrinterIsAcceptingJobs)(service.getAttribute(
PrinterIsAcceptingJobs.class)) ==
PrinterIsAcceptingJobs.NOT_ACCEPTING_JOBS) {
throw new PrintException("Printer is not accepting job.");
}
this.doc = doc;
/* check if the parameters are valid before doing much processing */
DocFlavor flavor = doc.getDocFlavor();
Object data;
try {
data = doc.getPrintData();
} catch (IOException e) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("can't get print data: " + e.toString());
}
if (data == null) {
throw new PrintException("Null print data.");
}
if (flavor == null || (!service.isDocFlavorSupported(flavor))) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintJobFlavorException("invalid flavor", flavor);
}
initializeAttributeSets(doc, attributes);
getAttributeValues(flavor);
// set up mOptions
if ((service instanceof IPPPrintService) &&
CUPSPrinter.isCupsRunning()) {
IPPPrintService.debug_println(debugPrefix+
"instanceof IPPPrintService");
if (mediaName != null) {
CustomMediaSizeName customMedia =
((IPPPrintService)service).findCustomMedia(mediaName);
if (customMedia != null) {
mOptions = " media="+ customMedia.getChoiceName();
}
}
if (customTray != null &&
customTray instanceof CustomMediaTray) {
String choice = customTray.getChoiceName();
if (choice != null) {
mOptions += " media="+choice;
}
}
if (nUp != null) {
mOptions += " number-up="+nUp.getValue();
}
if (orient != OrientationRequested.PORTRAIT &&
(flavor != null) &&
!flavor.equals(DocFlavor.SERVICE_FORMATTED.PAGEABLE)) {
mOptions += " orientation-requested="+orient.getValue();
}
if (sides != null) {
mOptions += " sides="+sides;
}
}
IPPPrintService.debug_println(debugPrefix+"mOptions "+mOptions);
String repClassName = flavor.getRepresentationClassName();
String val = flavor.getParameter("charset");
String encoding = "us-ascii";
if (val != null && !val.equals("")) {
encoding = val;
}
if (flavor.equals(DocFlavor.INPUT_STREAM.GIF) ||
flavor.equals(DocFlavor.INPUT_STREAM.JPEG) ||
flavor.equals(DocFlavor.INPUT_STREAM.PNG) ||
flavor.equals(DocFlavor.BYTE_ARRAY.GIF) ||
flavor.equals(DocFlavor.BYTE_ARRAY.JPEG) ||
flavor.equals(DocFlavor.BYTE_ARRAY.PNG)) {
try {
instream = doc.getStreamForBytes();
if (instream == null) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("No stream for data");
}
if (!(service instanceof IPPPrintService &&
((IPPPrintService)service).isIPPSupportedImages(
flavor.getMimeType()))) {
printableJob(new ImagePrinter(instream));
((UnixPrintService)service).wakeNotifier();
return;
}
} catch (ClassCastException cce) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(cce);
} catch (IOException ioe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(ioe);
}
} else if (flavor.equals(DocFlavor.URL.GIF) ||
flavor.equals(DocFlavor.URL.JPEG) ||
flavor.equals(DocFlavor.URL.PNG)) {
try {
URL url = (URL)data;
if ((service instanceof IPPPrintService) &&
((IPPPrintService)service).isIPPSupportedImages(
flavor.getMimeType())) {
instream = url.openStream();
} else {
printableJob(new ImagePrinter(url));
((UnixPrintService)service).wakeNotifier();
return;
}
} catch (ClassCastException cce) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(cce);
} catch (IOException e) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(e.toString());
}
} else if (flavor.equals(DocFlavor.CHAR_ARRAY.TEXT_PLAIN) ||
flavor.equals(DocFlavor.READER.TEXT_PLAIN) ||
flavor.equals(DocFlavor.STRING.TEXT_PLAIN)) {
try {
reader = doc.getReaderForText();
if (reader == null) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("No reader for data");
}
} catch (IOException ioe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(ioe.toString());
}
} else if (repClassName.equals("[B") ||
repClassName.equals("java.io.InputStream")) {
try {
instream = doc.getStreamForBytes();
if (instream == null) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("No stream for data");
}
} catch (IOException ioe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(ioe.toString());
}
} else if (repClassName.equals("java.net.URL")) {
/*
* This extracts the data from the URL and passes it the content
* directly to the print service as a file.
* This is appropriate for the current implementation where lp or
* lpr is always used to spool the data. We expect to revise the
* implementation to provide more complete IPP support (ie not just
* CUPS) and at that time the job will be spooled via IPP
* and the URL
* itself should be sent to the IPP print service not the content.
*/
URL url = (URL)data;
try {
instream = url.openStream();
} catch (IOException e) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(e.toString());
}
} else if (repClassName.equals("java.awt.print.Pageable")) {
try {
pageableJob((Pageable)doc.getPrintData());
if (service instanceof IPPPrintService) {
((IPPPrintService)service).wakeNotifier();
} else {
((UnixPrintService)service).wakeNotifier();
}
return;
} catch (ClassCastException cce) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(cce);
} catch (IOException ioe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(ioe);
}
} else if (repClassName.equals("java.awt.print.Printable")) {
try {
printableJob((Printable)doc.getPrintData());
if (service instanceof IPPPrintService) {
((IPPPrintService)service).wakeNotifier();
} else {
((UnixPrintService)service).wakeNotifier();
}
return;
} catch (ClassCastException cce) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(cce);
} catch (IOException ioe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(ioe);
}
} else {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("unrecognized class: "+repClassName);
}
// now spool the print data.
PrinterOpener po = new PrinterOpener();
java.security.AccessController.doPrivileged(po);
if (po.pex != null) {
throw po.pex;
}
OutputStream output = po.result;
/* There are three cases:
* 1) Text data from a Reader, just pass through.
* 2) Text data from an input stream which we must read using the
* correct encoding
* 3) Raw byte data from an InputStream we don't interpret as text,
* just pass through: eg postscript.
*/
BufferedWriter bw = null;
if ((instream == null && reader != null)) {
BufferedReader br = new BufferedReader(reader);
OutputStreamWriter osw = new OutputStreamWriter(output);
bw = new BufferedWriter(osw);
char []buffer = new char[1024];
int cread;
try {
while ((cread = br.read(buffer, 0, buffer.length)) >=0) {
bw.write(buffer, 0, cread);
}
br.close();
bw.flush();
bw.close();
} catch (IOException e) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException (e);
}
} else if (instream != null &&
flavor.getMediaType().equalsIgnoreCase("text")) {
try {
InputStreamReader isr = new InputStreamReader(instream,
encoding);
BufferedReader br = new BufferedReader(isr);
OutputStreamWriter osw = new OutputStreamWriter(output);
bw = new BufferedWriter(osw);
char []buffer = new char[1024];
int cread;
while ((cread = br.read(buffer, 0, buffer.length)) >=0) {
bw.write(buffer, 0, cread);
}
bw.flush();
} catch (IOException e) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException (e);
} finally {
try {
if (bw != null) {
bw.close();
}
} catch (IOException e) {
}
}
} else if (instream != null) {
BufferedInputStream bin = new BufferedInputStream(instream);
BufferedOutputStream bout = new BufferedOutputStream(output);
byte[] buffer = new byte[1024];
int bread = 0;
try {
while ((bread = bin.read(buffer)) >= 0) {
bout.write(buffer, 0, bread);
}
bin.close();
bout.flush();
bout.close();
} catch (IOException e) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException (e);
}
}
notifyEvent(PrintJobEvent.DATA_TRANSFER_COMPLETE);
if (mDestType == UnixPrintJob.DESTPRINTER) {
PrinterSpooler spooler = new PrinterSpooler();
java.security.AccessController.doPrivileged(spooler);
if (spooler.pex != null) {
throw spooler.pex;
}
}
notifyEvent(PrintJobEvent.NO_MORE_EVENTS);
if (service instanceof IPPPrintService) {
((IPPPrintService)service).wakeNotifier();
} else {
((UnixPrintService)service).wakeNotifier();
}
}
public void printableJob(Printable printable) throws PrintException {
try {
synchronized(this) {
if (job != null) { // shouldn't happen
throw new PrintException("already printing");
} else {
job = new PSPrinterJob();
}
}
job.setPrintService(getPrintService());
job.setCopies(copies);
job.setJobName(jobName);
PageFormat pf = new PageFormat();
if (mediaSize != null) {
Paper p = new Paper();
p.setSize(mediaSize.getX(MediaSize.INCH)*72.0,
mediaSize.getY(MediaSize.INCH)*72.0);
p.setImageableArea(72.0, 72.0, p.getWidth()-144.0,
p.getHeight()-144.0);
pf.setPaper(p);
}
if (orient == OrientationRequested.REVERSE_LANDSCAPE) {
pf.setOrientation(PageFormat.REVERSE_LANDSCAPE);
} else if (orient == OrientationRequested.LANDSCAPE) {
pf.setOrientation(PageFormat.LANDSCAPE);
}
job.setPrintable(printable, pf);
job.print(reqAttrSet);
notifyEvent(PrintJobEvent.DATA_TRANSFER_COMPLETE);
return;
} catch (PrinterException pe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(pe);
} finally {
printReturned = true;
notifyEvent(PrintJobEvent.NO_MORE_EVENTS);
}
}
public void pageableJob(Pageable pageable) throws PrintException {
try {
synchronized(this) {
if (job != null) { // shouldn't happen
throw new PrintException("already printing");
} else {
job = new PSPrinterJob();
}
}
job.setPrintService(getPrintService());
job.setCopies(copies);
job.setJobName(jobName);
job.setPageable(pageable);
job.print(reqAttrSet);
notifyEvent(PrintJobEvent.DATA_TRANSFER_COMPLETE);
return;
} catch (PrinterException pe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(pe);
} finally {
printReturned = true;
notifyEvent(PrintJobEvent.NO_MORE_EVENTS);
}
}
/* There's some inefficiency here as the job set is created even though
* it may never be requested.
*/
private synchronized void
initializeAttributeSets(Doc doc, PrintRequestAttributeSet reqSet) {
reqAttrSet = new HashPrintRequestAttributeSet();
jobAttrSet = new HashPrintJobAttributeSet();
Attribute[] attrs;
if (reqSet != null) {
reqAttrSet.addAll(reqSet);
attrs = reqSet.toArray();
for (int i=0; i<attrs.length; i++) {
if (attrs[i] instanceof PrintJobAttribute) {
jobAttrSet.add(attrs[i]);
}
}
}
DocAttributeSet docSet = doc.getAttributes();
if (docSet != null) {
attrs = docSet.toArray();
for (int i=0; i<attrs.length; i++) {
if (attrs[i] instanceof PrintRequestAttribute) {
reqAttrSet.add(attrs[i]);
}
if (attrs[i] instanceof PrintJobAttribute) {
jobAttrSet.add(attrs[i]);
}
}
}
/* add the user name to the job */
String userName = "";
try {
userName = System.getProperty("user.name");
} catch (SecurityException se) {
}
if (userName == null || userName.equals("")) {
RequestingUserName ruName =
(RequestingUserName)reqSet.get(RequestingUserName.class);
if (ruName != null) {
jobAttrSet.add(
new JobOriginatingUserName(ruName.getValue(),
ruName.getLocale()));
} else {
jobAttrSet.add(new JobOriginatingUserName("", null));
}
} else {
jobAttrSet.add(new JobOriginatingUserName(userName, null));
}
/* if no job name supplied use doc name (if supplied), if none and
* its a URL use that, else finally anything .. */
if (jobAttrSet.get(JobName.class) == null) {
JobName jobName;
if (docSet != null && docSet.get(DocumentName.class) != null) {
DocumentName docName =
(DocumentName)docSet.get(DocumentName.class);
jobName = new JobName(docName.getValue(), docName.getLocale());
jobAttrSet.add(jobName);
} else {
String str = "JPS Job:" + doc;
try {
Object printData = doc.getPrintData();
if (printData instanceof URL) {
str = ((URL)(doc.getPrintData())).toString();
}
} catch (IOException e) {
}
jobName = new JobName(str, null);
jobAttrSet.add(jobName);
}
}
jobAttrSet = AttributeSetUtilities.unmodifiableView(jobAttrSet);
}
private void getAttributeValues(DocFlavor flavor) throws PrintException {
Attribute attr;
Class category;
if (reqAttrSet.get(Fidelity.class) == Fidelity.FIDELITY_TRUE) {
fidelity = true;
} else {
fidelity = false;
}
Attribute []attrs = reqAttrSet.toArray();
for (int i=0; i<attrs.length; i++) {
attr = attrs[i];
category = attr.getCategory();
if (fidelity == true) {
if (!service.isAttributeCategorySupported(category)) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintJobAttributeException(
"unsupported category: " + category, category, null);
} else if
(!service.isAttributeValueSupported(attr, flavor, null)) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintJobAttributeException(
"unsupported attribute: " + attr, null, attr);
}
}
if (category == Destination.class) {
URI uri = ((Destination)attr).getURI();
if (!"file".equals(uri.getScheme())) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("Not a file: URI");
} else {
try {
mDestType = DESTFILE;
mDestination = (new File(uri)).getPath();
} catch (Exception e) {
throw new PrintException(e);
}
// check write access
SecurityManager security = System.getSecurityManager();
if (security != null) {
try {
security.checkWrite(mDestination);
} catch (SecurityException se) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(se);
}
}
}
} else if (category == JobSheets.class) {
if ((JobSheets)attr == JobSheets.NONE) {
mNoJobSheet = true;
}
} else if (category == JobName.class) {
jobName = ((JobName)attr).getValue();
} else if (category == Copies.class) {
copies = ((Copies)attr).getValue();
} else if (category == Media.class) {
if (attr instanceof MediaSizeName) {
mediaName = (MediaSizeName)attr;
IPPPrintService.debug_println(debugPrefix+
"mediaName "+mediaName);
if (!service.isAttributeValueSupported(attr, null, null)) {
mediaSize = MediaSize.getMediaSizeForName(mediaName);
}
} else if (attr instanceof CustomMediaTray) {
customTray = (CustomMediaTray)attr;
}
} else if (category == OrientationRequested.class) {
orient = (OrientationRequested)attr;
} else if (category == NumberUp.class) {
nUp = (NumberUp)attr;
} else if (category == Sides.class) {
sides = (Sides)attr;
}
}
}
private String[] printExecCmd(String printer, String options,
boolean noJobSheet,
String banner, int copies, String spoolFile) {
int PRINTER = 0x1;
int OPTIONS = 0x2;
int BANNER = 0x4;
int COPIES = 0x8;
int NOSHEET = 0x10;
int pFlags = 0;
String execCmd[];
int ncomps = 2; // minimum number of print args
int n = 0;
// conveniently "lp" is the default destination for both lp and lpr.
if (printer != null && !printer.equals("") && !printer.equals("lp")) {
pFlags |= PRINTER;
ncomps+=1;
}
if (options != null && !options.equals("")) {
pFlags |= OPTIONS;
ncomps+=1;
}
if (banner != null && !banner.equals("")) {
pFlags |= BANNER;
ncomps+=1;
}
if (copies > 1) {
pFlags |= COPIES;
ncomps+=1;
}
if (noJobSheet) {
pFlags |= NOSHEET;
ncomps+=1;
}
if (UnixPrintServiceLookup.osname.equals("SunOS")) {
ncomps+=1; // lp uses 1 more arg than lpr (make a copy)
execCmd = new String[ncomps];
execCmd[n++] = "/usr/bin/lp";
execCmd[n++] = "-c"; // make a copy of the spool file
if ((pFlags & PRINTER) != 0) {
execCmd[n++] = "-d" + printer;
}
if ((pFlags & BANNER) != 0) {
String quoteChar = "\"";
execCmd[n++] = "-t " + quoteChar+banner+quoteChar;
}
if ((pFlags & COPIES) != 0) {
execCmd[n++] = "-n " + copies;
}
if ((pFlags & NOSHEET) != 0) {
execCmd[n++] = "-o nobanner";
}
if ((pFlags & OPTIONS) != 0) {
execCmd[n++] = "-o " + options;
}
} else {
execCmd = new String[ncomps];
execCmd[n++] = "/usr/bin/lpr";
if ((pFlags & PRINTER) != 0) {
execCmd[n++] = "-P" + printer;
}
if ((pFlags & BANNER) != 0) {
execCmd[n++] = "-J " + banner;
}
if ((pFlags & COPIES) != 0) {
execCmd[n++] = "-#" + copies;
}
if ((pFlags & NOSHEET) != 0) {
execCmd[n++] = "-h";
}
if ((pFlags & OPTIONS) != 0) {
execCmd[n++] = "-o" + options;
}
}
execCmd[n++] = spoolFile;
if (IPPPrintService.debugPrint) {
System.out.println("UnixPrintJob>> execCmd");
for (int i=0; i<execCmd.length; i++) {
System.out.print(" "+execCmd[i]);
}
System.out.println();
}
return execCmd;
}
private static int DESTPRINTER = 1;
private static int DESTFILE = 2;
private int mDestType = DESTPRINTER;
private File spoolFile;
private String mDestination, mOptions="";
private boolean mNoJobSheet = false;
// Inner class to run "privileged" to open the printer output stream.
private class PrinterOpener implements java.security.PrivilegedAction {
PrintException pex;
OutputStream result;
public Object run() {
try {
if (mDestType == UnixPrintJob.DESTFILE) {
spoolFile = new File(mDestination);
} else {
/* Write to a temporary file which will be spooled to
* the printer then deleted. In the case that the file
* is not removed for some reason, request that it is
* removed when the VM exits.
*/
spoolFile = Files.createTempFile("javaprint", "").toFile();
spoolFile.deleteOnExit();
}
result = new FileOutputStream(spoolFile);
return result;
} catch (IOException ex) {
// If there is an IOError we subvert it to a PrinterException.
notifyEvent(PrintJobEvent.JOB_FAILED);
pex = new PrintException(ex);
}
return null;
}
}
// Inner class to run "privileged" to invoke the system print command
private class PrinterSpooler implements java.security.PrivilegedAction {
PrintException pex;
private void handleProcessFailure(final Process failedProcess,
final String[] execCmd, final int result) throws IOException {
try (StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw)) {
pw.append("error=").append(Integer.toString(result));
pw.append(" running:");
for (String arg: execCmd) {
pw.append(" '").append(arg).append("'");
}
try (InputStream is = failedProcess.getErrorStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr)) {
while (br.ready()) {
pw.println();
pw.append("\t\t").append(br.readLine());
}
} finally {
pw.flush();
throw new IOException(sw.toString());
}
}
}
public Object run() {
if (spoolFile == null || !spoolFile.exists()) {
pex = new PrintException("No spool file");
notifyEvent(PrintJobEvent.JOB_FAILED);
return null;
}
try {
/**
* Spool to the printer.
*/
String fileName = spoolFile.getAbsolutePath();
String execCmd[] = printExecCmd(mDestination, mOptions,
mNoJobSheet, jobName, copies, fileName);
Process process = Runtime.getRuntime().exec(execCmd);
process.waitFor();
final int result = process.exitValue();
if (0 != result) {
handleProcessFailure(process, execCmd, result);
}
notifyEvent(PrintJobEvent.DATA_TRANSFER_COMPLETE);
} catch (IOException ex) {
notifyEvent(PrintJobEvent.JOB_FAILED);
// REMIND : 2d printing throws PrinterException
pex = new PrintException(ex);
} catch (InterruptedException ie) {
notifyEvent(PrintJobEvent.JOB_FAILED);
pex = new PrintException(ie);
} finally {
spoolFile.delete();
notifyEvent(PrintJobEvent.NO_MORE_EVENTS);
}
return null;
}
}
public void cancel() throws PrintException {
synchronized (this) {
if (!printing) {
throw new PrintException("Job is not yet submitted.");
} else if (job != null && !printReturned) {
job.cancel();
notifyEvent(PrintJobEvent.JOB_CANCELED);
return;
} else {
throw new PrintException("Job could not be cancelled.");
}
}
}
}
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