Konversikan PS, EPS, dan XPS

// The path to the documents directory.
String dataDir = Utils.getDataDir();
// Initialize PS document with PostScript file
PsDocument document = new PsDocument(dataDir + "input.ps");

// If you want to convert Postscript file despite of minor errors set this flag
boolean suppressErrors = true;

//Initialize options object with necessary parameters.
PdfSaveOptions options = new PdfSaveOptions(suppressErrors);
// Default page size is 595x842 and it is not mandatory to set it in PdfDevice
// But if you need to specify size and image format use following line
// PdfSaveOptions options = new PdfSaveOptions(suppressErrors, new Dimension(595, 842));
// If you want to add special folder where fonts are stored. Default fonts folder in OS is always included.
//options.setAdditionalFontsFolders(new String [] {"FONTS_FOLDER"});

// Save PS document to PDF file
document.saveAsPdf(dataDir + "PStoPDF.pdf", options);

//Review errors
if (suppressErrors) {
    for (Exception ex : pdfOptions.getExceptions()) {
            System.out.println(ex.getMessage());
        }
}

// The path to the documents directory.
String dataDir = Utils.getDataDir();
 // Initialize PS document with PostScript file
PsDocument document = new PsDocument(dataDir + "input.ps");

// If you want to convert Postscript file despite of minor errors set this flag
boolean suppressErrors = true;

// Initialize options object with necessary parameters.
ImageSaveOptions options = new ImageSaveOptions(suppressErrors);
// Default image format is PNG and it is not mandatory to set it in ImageSaveOptions.
// But if you need to specify another format use following line 
// options.setImageFormat(ImageFormat.JPEG);
// Default image size is 595x842 and it is not mandatory to set it in ImageDevice
// But if you need to specify size and image format use constructor with parameters
// ImageSaveOptions options = new ImageSaveOptions(new Dimension(595, 842), ImageFormat.JPEG, suppressErrors);
// If you want to add special folder where fonts are stored. Default fonts folder in OS is always included.
// options.setAdditionalFontsFolders(new String [] {"FONTS_FOLDER"});        

// Save PS document as images bytes arrays, one bytes array for one page of the document.
byte[][] imagesBytes = document.saveAsImage(options);

int i = 0;

for (byte [] imageBytes : imagesBytes) {
    String imagePath = dataDir + "PSToImage" + i + "." + options.getImageFormat().toString().toLowerCase();
    FileOutputStream fs = new FileOutputStream(imagePath);

    try {
        fs.write(imageBytes, 0, imageBytes.length);
    } catch (IOException ex) {
        System.out.println(ex.getMessage());
    } finally {
        fs.close();
    }
    i++;
}

//Review errors
if (suppressErrors) {
    for (Exception ex : options.getExceptions()) {
        System.out.println(ex.getMessage());
    }
}

// The path to the documents directory.
String pathDir = Utils.getDataDir();
// Load XPS document
XpsDocument document = new XpsDocument(dataDir + "input.xps");
// Initialize options object with necessary parameters.
com.aspose.xps.rendering.PngSaveOptions options = new com.aspose.xps.rendering.PngSaveOptions();
options.setSmoothingMode(com.aspose.xps.rendering.SmoothingMode.HighQuality);
options.setResolution(300);
options.setPageNumbers(new int[] { 1, 2, 6 });

// Save XPS document as images bytes array. One bytes array for one page of every parttion in the document
byte [][][] imagesBytes = document.saveAsImage(options);

// Iterate through document partitions (fixed documents, in XPS terms)
for (int i = 0; i < imagesBytes.length; i++) {
    // Iterate through partition pages
    for (int j = 0; j < imagesBytes[i].length; j++) {
        // Initialize image output stream
        FileOutputStream imageStream = new FileOutputStream(dataDir + "XPStoPNG" + "_" + (i + 1) + "_" + (j + 1) + ".png");
        // Write image
        imageStream.write(imagesBytes[i][j], 0, imagesBytes[i][j].length);

        imageStream.close();
    }
}

// Load input XPS document
XpsDocument document = new XpsDocument(dataDir + "input.xps");

// Initialize options object with necessary parameters
PdfSaveOptions options = new PdfSaveOptions();
options.setJpegQualityLevel(100);
options.setImageCompression(PdfImageCompression.Jpeg);
options.setTextCompression(PdfTextCompression.Flate);

// Save XPS document to output PDF file
document.saveAsPdf(dataDir + "XPStoPDF.pdf", options);