Silent Print with Jasper class

SilentPrint.java

import net.sf.jasperreports.engine.JRExporter;
import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.export.JRPrintServiceExporter;
import net.sf.jasperreports.engine.export.JRPrintServiceExporterParameter;

import javax.print.PrintService;
import javax.print.PrintServiceLookup;

public class SilentPrint {

	public void printReport(Vector jasperPrintList, String selectedPrinter) {
		try {
			//first make sure that requested printService exists
			PrintService[] printServices = PrintServiceLookup.lookupPrintServices(null, null);
			PrintService printService = null;
			for(PrintService ps : printServices) {
				if(ps.getName().equals(selectedPrinter)) {
					printService = ps;
					break;
				}
			}
			if(printService != null) {
				JRExporter jrExporter = new JRPrintServiceExporter();
				jrExporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST,
										jasperPrintList); //tell jasper what reports to export
				jrExporter.setParameter(JRPrintServiceExporterParameter.PRINT_SERVICE,
										printService); //tell jasper to export the report to selected printService
				jrExporter.setParameter(JRPrintServiceExporterParameter.PRINT_SERVICE_ATTRIBUTE_SET,
										printService.getAttributes());
				jrExporter.setParameter(JRPrintServiceExporterParameter.DISPLAY_PAGE_DIALOG,
										Boolean.FALSE); //who doesn't like self-explanatory attributes!
				jrExporter.setParameter(JRPrintServiceExporterParameter.DISPLAY_PRINT_DIALOG,
										Boolean.FALSE);
				jrExporter.exportReport();
			}
			else {
				System.err.println("Printer " + selectedPrinter + " not found");
			}
		}
		catch(Exception e) {
			e.printStackTrace();
		}
	}
}