Java Utililty Methods Printer Usage

return (PrinterResolution) getSetting(service, set, PrinterResolution.class, tryDefaultIfNull);

Attribute attribute = set.get(type);
if (tryDefaultIfNull && attribute == null && service != null) {
    attribute = (Attribute) service.getDefaultAttributeValue(type);
return attribute;

for (Class c : p.getSupportedAttributeCategories()) {
    try {
        Object val = p.getSupportedAttributeValues(c, null, null);
        if (val.getClass().isArray()) {
            for (Object o : (Object[]) val) {
                System.out.println("  - " + o);
        } else {
...

return instanceByClass.get(clazz).getName();

boolean retVal = false;
if (ps == null || !isGoodPrinterName(ps.getName()))
    return retVal;
try {
    retVal = ps.isAttributeValueSupported(attr, flavor, attributes);
} catch (Exception e) {
    retVal = false;
return retVal;

if (media instanceof MediaSizeName) {
    return MediaSize.getMediaSizeForName((MediaSizeName) media);
} else if (media instanceof MediaName) {
    if (media.equals(MediaName.ISO_A4_TRANSPARENT) || media.equals(MediaName.ISO_A4_WHITE)) {
        return MediaSize.getMediaSizeForName(MediaSizeName.ISO_A4);
    } else if (media.equals(MediaName.NA_LETTER_TRANSPARENT) || media.equals(MediaName.NA_LETTER_WHITE)) {
        return MediaSize.getMediaSizeForName(MediaSizeName.NA_LETTER);
return null;

int i, n;
int total = 0;
String[] psnames;
int nums = 6;
String name;
if (prtSrvs != null) {
    nums += prtSrvs.length;
psnames = new String[nums];
if (prtSrvs != null) {
    for (n = 0; n < prtSrvs.length; n++) {
        if (prtSrvs[n] != null) {
            name = prtSrvs[n].getName();
            if (name != null) {
                if (isGoodPrinterName(name))
                    psnames[total++] = name;
String cupsPath = new StringBuffer().append(File.separator).append("etc").append(File.separator)
        .append("cups").append(File.separator).append("ppd").toString();
File dir = new File(cupsPath);
File files[] = null;
if (dir.exists() && dir.isDirectory())
    if (dir.canRead())
        files = dir.listFiles();
if (files != null) {
    for (i = 0; i < files.length; i++) {
        if (files[i].isFile()) {
            String fname = files[i].getName();
            if (fname.endsWith(".ppd")) {
                name = fname.substring(0, fname.indexOf(".ppd"));
                if (name.length() > 0) {
                    for (n = 0; n < nums; n++) {
                        if (psnames[n] != null) {
                            if (name.equals(psnames[n])) {
                                name = null;
                                break;
                    if (name != null && total < nums) {
                        psnames[total++] = name;
            if (total >= nums)
                break;
if (total > 0) {
    psList = new String[total];
    for (i = 0; i < total; i++)
        psList[i] = psnames[i];
return psList;

final PrintService defaultService = PrintServiceLookup.lookupDefaultPrintService();
if (defaultService != null && defaultService.isDocFlavorSupported(DocFlavor.SERVICE_FORMATTED.PAGEABLE)) {
    return defaultService;
final PrintService printService;
final PrintService[] services = PrintServiceLookup.lookupPrintServices(DocFlavor.SERVICE_FORMATTED.PAGEABLE,
        null);
if (services.length == 0) {
...

if (bWaitForPrinterServer)
    return printSrvs;
bWaitForPrinterServer = true;
if (printSrvs == null || printSrvs.length < 1) {
    long t = System.currentTimeMillis() / 1000;
    if ((t - lastQueryTime_all) < 120) {
        bWaitForPrinterServer = false;
        return printSrvs;
...

if (key == null)
    return false;
int i = array.length;
while (--i >= 0)
    if (array[i].equals(key))
        return false;
return true;