/* 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) {
}
}
}
/* 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);
}
public void print(Doc doc, PrintRequestAttributeSet attributes) throws PrintException {
synchronized (this) {
if (printing) {
throw new PrintException("already printing");
} else {
printing = true;
}
}
PrinterState prnState = (PrinterState) service.getAttribute(PrinterState.class);
if (prnState == PrinterState.STOPPED) {
PrinterStateReasons prnStateReasons =
(PrinterStateReasons) service.getAttribute(PrinterStateReasons.class);
if ((prnStateReasons != null) && (prnStateReasons.containsKey(PrinterStateReason.SHUTDOWN))) {
throw new PrintException("PrintService is no longer available.");
}
}
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 (flavor == null || (!service.isDocFlavorSupported(flavor))) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintJobFlavorException("invalid flavor", flavor);
}
initializeAttributeSets(doc, attributes);
getAttributeValues(flavor);
String repClassName = flavor.getRepresentationClassName();
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");
}
printableJob(new ImagePrinter(instream));
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 {
printableJob(new ImagePrinter((URL) data));
service.wakeNotifier();
return;
} catch (ClassCastException cce) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(cce);
}
} else if (repClassName.equals("java.awt.print.Pageable")) {
try {
pageableJob((Pageable) doc.getPrintData());
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());
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("[B")
|| repClassName.equals("java.io.InputStream")
|| repClassName.equals("java.net.URL")) {
if (repClassName.equals("java.net.URL")) {
URL url = (URL) data;
try {
instream = url.openStream();
} catch (IOException e) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(e.toString());
}
} else {
try {
instream = doc.getStreamForBytes();
} catch (IOException ioe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(ioe.toString());
}
}
if (instream == null) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("No stream for data");
}
if (mDestination != null) { // if destination attribute is set
try {
FileOutputStream fos = new FileOutputStream(mDestination);
byte[] buffer = new byte[1024];
int cread;
while ((cread = instream.read(buffer, 0, buffer.length)) >= 0) {
fos.write(buffer, 0, cread);
}
fos.flush();
fos.close();
} catch (FileNotFoundException fnfe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(fnfe.toString());
} catch (IOException ioe) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(ioe.toString());
}
notifyEvent(PrintJobEvent.DATA_TRANSFER_COMPLETE);
notifyEvent(PrintJobEvent.JOB_COMPLETE);
service.wakeNotifier();
return;
}
if (!startPrintRawData(service.getName(), jobName)) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("Print job failed to start.");
}
BufferedInputStream bin = new BufferedInputStream(instream);
int bread = 0;
try {
byte[] buffer = new byte[PRINTBUFFERLEN];
while ((bread = bin.read(buffer, 0, PRINTBUFFERLEN)) >= 0) {
if (!printRawData(buffer, bread)) {
bin.close();
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("Problem while spooling data");
}
}
bin.close();
if (!endPrintRawData()) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("Print job failed to close properly.");
}
notifyEvent(PrintJobEvent.DATA_TRANSFER_COMPLETE);
} catch (IOException e) {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException(e.toString());
} finally {
notifyEvent(PrintJobEvent.NO_MORE_EVENTS);
}
} else {
notifyEvent(PrintJobEvent.JOB_FAILED);
throw new PrintException("unrecognized class: " + repClassName);
}
service.wakeNotifier();
}
