/**
* Checks if this doc flavor object is equal to the given object.
*
* <p>Two doc flavor objects are considered equal if the provided object is not <code>null</code>
* and an instance of <code>DocFlavor</code>. The MIME types has to be equal in their media type,
* media subtype, their paramter/value combinations and the representation classname.
*
* @param obj the object to test.
* @return <code>true</code> if equal, <code>false</code> otherwise.
*/
public boolean equals(Object obj) {
if (!(obj instanceof DocFlavor)) return false;
DocFlavor tmp = (DocFlavor) obj;
return (getMimeType().equals(tmp.getMimeType())
&& getRepresentationClassName().equals(tmp.getRepresentationClassName()));
}
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();
}