Split PDF Files in Java

split-pdf-even-odd.java

// Open document
Document pdfDocument = new Document("input.pdf");

// Create array lists for even and odd pages
List<Page> evenPages = new ArrayList<Page>();
List<Page> oddPages = new ArrayList<Page>();

// Loop through all the pages
for (Page pdfPage : pdfDocument.getPages())
{
	if(pdfPage.getNumber()%2==0)
	{
		evenPages.add(pdfPage);
	}
	else
	{
		oddPages.add(pdfPage);
	}		  	
}
// Save even pages as PDF
Document newDocument = new Document();
newDocument.getPages().add(evenPages);
newDocument.save("split_even_Pages.pdf");

// Save odd pages as PDF
newDocument = new Document();
newDocument.getPages().add(oddPages);
newDocument.save("split_odd_Pages.pdf");

split-pdf.java

// Open document
Document pdfDocument = new Document("input.pdf");

// For page counter
int pageCount = 1;

// Loop through all the pages
for (Page pdfPage : pdfDocument.getPages()) {
	// Create a new document
	Document newDocument = new Document();

	// Add page to the document
	newDocument.getPages().add(pdfPage);

	// Save as PDF
	newDocument.save("page_" + pageCount + "_out" + ".pdf");
	pageCount++;
}