public static void exporterPapier(JasperPrint jPrint, Integer nbCopies) {
// choix de l'imprimante par défaut
PrintService service = PrintServiceLookup.lookupDefaultPrintService();
// paramètres d'impression
PrintRequestAttributeSet printRequestAttributeSetImpression =
new HashPrintRequestAttributeSet();
printRequestAttributeSetImpression.add(MediaSizeName.ISO_A4);
printRequestAttributeSetImpression.add(new Copies(nbCopies));
// paramètres de l'imprimante
PrintServiceAttributeSet printServiceAttributeSetImpression =
new HashPrintServiceAttributeSet();
printServiceAttributeSetImpression.add(new PrinterName(service.getName(), null));
// création de l'interface d'impression
JRPrintServiceExporter imprimanteFacture = new JRPrintServiceExporter();
// initialisation de l'interface d'impression
imprimanteFacture.setParameter(JRExporterParameter.JASPER_PRINT, jPrint);
imprimanteFacture.setParameter(
JRPrintServiceExporterParameter.PRINT_REQUEST_ATTRIBUTE_SET,
printRequestAttributeSetImpression);
imprimanteFacture.setParameter(
JRPrintServiceExporterParameter.PRINT_SERVICE_ATTRIBUTE_SET,
printServiceAttributeSetImpression);
try {
imprimanteFacture.exportReport();
} catch (Exception e) {
throw new RuntimeException("Impossible de générer la Facture", e);
// COMMANDE ENREGISTREE MAIS NON IMPRIMEE
}
}
public PrintService[] getPrintServices(DocFlavor flavor, AttributeSet attributes) {
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkPrintJobAccess();
}
PrintRequestAttributeSet requestSet = null;
PrintServiceAttributeSet serviceSet = null;
if (attributes != null && !attributes.isEmpty()) {
requestSet = new HashPrintRequestAttributeSet();
serviceSet = new HashPrintServiceAttributeSet();
Attribute[] attrs = attributes.toArray();
for (int i = 0; i < attrs.length; i++) {
if (attrs[i] instanceof PrintRequestAttribute) {
requestSet.add(attrs[i]);
} else if (attrs[i] instanceof PrintServiceAttribute) {
serviceSet.add(attrs[i]);
}
}
}
/*
* Special case: If client is asking for a particular printer
* (by name) then we can save time by getting just that service
* to check against the rest of the specified attributes.
*/
PrintService[] services = null;
if (serviceSet != null && serviceSet.get(PrinterName.class) != null) {
PrinterName name = (PrinterName) serviceSet.get(PrinterName.class);
PrintService service = getPrintServiceByName(name.getValue());
if (service == null || !matchingService(service, serviceSet)) {
services = new PrintService[0];
} else {
services = new PrintService[1];
services[0] = service;
}
} else {
services = getPrintServices();
}
if (services.length == 0) {
return services;
} else {
ArrayList matchingServices = new ArrayList();
for (int i = 0; i < services.length; i++) {
try {
if (services[i].getUnsupportedAttributes(flavor, requestSet) == null) {
matchingServices.add(services[i]);
}
} catch (IllegalArgumentException e) {
}
}
services = new PrintService[matchingServices.size()];
return (PrintService[]) matchingServices.toArray(services);
}
}
public void attributeUpdate(PrintServiceAttributeEvent e) {
System.out.println("In attributeUpdate method");
System.out.println("PS IS " + e.getPrintService());
PrintServiceAttributeSet psas = e.getAttributes();
Attribute[] nattr = psas.toArray();
System.out.println("New Attributes set:" + nattr.length);
for (int i = 0; i < nattr.length; i++) {
System.out.println("Printer is " + nattr[i]);
}
}
/* A heuristic is used to calculate sleep time.
* 10 times the time taken to loop through all the listeners, with
* a minimum of 15 seconds. Ensures this won't take more than 10%
* of available time.
*/
public void run() {
long minSleepTime = 15000;
long sleepTime = 2000;
HashPrintServiceAttributeSet attrs;
PrintServiceAttributeEvent attrEvent;
PrintServiceAttributeListener listener;
PrintServiceAttributeSet psa;
while (!stop) {
try {
Thread.sleep(sleepTime);
} catch (InterruptedException e) {
}
synchronized (this) {
if (listeners == null) {
continue;
}
long startTime = System.currentTimeMillis();
if (listeners != null) {
if (service instanceof AttributeUpdater) {
psa = ((AttributeUpdater) service).getUpdatedAttributes();
} else {
psa = service.getAttributes();
}
if (psa != null && !psa.isEmpty()) {
for (int i = 0; i < listeners.size(); i++) {
listener = (PrintServiceAttributeListener) listeners.elementAt(i);
attrs = new HashPrintServiceAttributeSet(psa);
attrEvent = new PrintServiceAttributeEvent(service, attrs);
listener.attributeUpdate(attrEvent);
}
}
}
sleepTime = (System.currentTimeMillis() - startTime) * 10;
if (sleepTime < minSleepTime) {
sleepTime = minSleepTime;
}
}
}
}
boolean matchingService(PrintService service, PrintServiceAttributeSet serviceSet) {
if (serviceSet != null) {
Attribute[] attrs = serviceSet.toArray();
Attribute serviceAttr;
for (int i = 0; i < attrs.length; i++) {
serviceAttr = service.getAttribute(attrs[i].getCategory());
if (serviceAttr == null || !serviceAttr.equals(attrs[i])) {
return false;
}
}
}
return true;
}
