import javax.print.PrintService;
import javax.print.PrintServiceLookup;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.PrinterName;
import java.net.URI;

public class ManualPrinterDiscovery {
    public static void main(String[] args) {
        // Create attribute set to search for specific printer types
        PrintRequestAttributeSet attributes = new HashPrintRequestAttributeSet();
        
        // Try to find services with different attributes
        PrintService[] services = PrintServiceLookup.lookupPrintServices(null, attributes);
        
        if (services.length == 0) {
            System.out.println("No printers found via standard lookup.");
            System.out.println("\nTrying alternative approach...");
            
            // Sometimes the service cache is empty - try to force refresh
            try {
                Class<?> psLookup = Class.forName("sun.print.PrintServiceLookup");
                java.lang.reflect.Method method = psLookup.getDeclaredMethod("refreshServices");
                method.setAccessible(true);
                method.invoke(null);
                
                // Try lookup again
                services = PrintServiceLookup.lookupPrintServices(null, attributes);
                System.out.println("After refresh: " + services.length + " printers");
            } catch (Exception e) {
                System.out.println("Refresh failed: " + e.getMessage());
            }
        }
        
        for (PrintService service : services) {
            System.out.println("Printer: " + service.getName());
        }
    }
}