Merge or Combine XPS Files Programmatically Java

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You can find more details at: Merge XPS Files Programmatically in Java

Merge XPS Advanced.java

// Initialize PDF output stream
FileOutputStream pdfStream = new FileOutputStream("MergeXPS.pdf");

// Load the first XPS document
XpsDocument document = new XpsDocument("input.xps");

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

// Create rendering device for PDF format
PdfDevice device = new PdfDevice(pdfStream);

// Create an array of XPS files that will be merged with the first one
String[] filesToMerge = new String[] { "input2.xps", "input3.xps" };

// Merge XPS files to output PDF document
document.merge(filesToMerge, device, options);

Merge XPS into XPS.java

// Initialize XPS output stream
FileOutputStream xpsStream = new FileOutputStream("mergedXPSfiles.xps");

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

// Create an array of XPS files that will be merged with the first one
var filesToMerge = new String[] { "input2.xps", "input3.xps" };

// Merge XPS files
document.merge(filesToMerge, xpsStream);

Merge XPS.java

// Initialize PDF output stream
FileOutputStream pdfStream = new FileOutputStream("MergeXPS.pdf");

// Load the first XPS document
XpsDocument document = new XpsDocument("input.xps");

// Create rendering device for PDF format
PdfDevice device = new PdfDevice(pdfStream);

// Create an array of XPS files that will be merged with the first one
String[] filesToMerge = new String[] { "input2.xps", "input3.xps" };

// Merge XPS files to output PDF document
document.merge(filesToMerge, device, new PdfSaveOptions());