Process PDF Documents

// Remove unused objects and optimize PDF files
PdfOptimizer.optimizePDF(new File("inputFile.pdf"), new File("outputFile.pdf"));

// Merge two files into a single file
PdfMerge.mergeFiles(new File("inputFile1.pdf"), new File("inputFile2.pdf"), new File("outputFile.pdf"));

// Merge an array of PDFs into a single file
PdfMerge.mergeFiles(new File[]{new File("inputFile.pdf"), ...}, new File("outputFile.pdf"));

final PdfManipulator pdf = new PdfManipulator();
pdf.loadDocument(new File("inputFile.pdf"));
// Remove attachments and embedded files
pdf.removeEmbeddedFiles();
// Remove scripts and code
pdf.removeJavaScript();
// Remove document information and metadata
pdf.removeMetadata();
pdf.apply();
pdf.writeDocument(new File("outputFile.pdf"));

// Digitally sign a PDF file
PdfSigner.signPdf(
        "inputFile.pdf",
        "outputFile.pdf",
        "keystorePassword",
        "keystoreFile.p12",
        "signerName",
        "signerLocation",
        "signingReason",
        ACCESS_PERMISSION.P1
);

// Split a PDF file into two files where the first page contains pages 1-pageToSplitAt inclusive, the second contains all other pages
PdfManipulator.splitInHalf(new File("inputFile.pdf"), new File("outputFolder"), pageToSplitAt);

// Split all pages into separate PDF files, all output has the same file name with the page numbers appended
PdfManipulator.splitIntoPages(new File("inputFile.pdf"), new File("outputFolder"), numberOfPages);