pdf merge for code one

Merging Two PDF documents to One

http://www.java2s.com/Code/Java/PDF-RTF/MergingTwoPDFdocumentstoOne.htm

import java.io.FileOutputStream;

import com.lowagie.text.Element;
import com.lowagie.text.PageSize;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;

public class MergingTwoPDFToOne {
  public static void main(String[] args) {
    try {
      PdfReader reader = new PdfReader("YourOwnPDF.pdf");

      PdfStamper stamp = new PdfStamper(reader, new FileOutputStream("TwoPDF.pdf"));

      PdfContentByte under;

      PdfReader reader2 = new PdfReader("AnotherPDF.pdf");
      under = stamp.getUnderContent(1);
      under.addTemplate(stamp.getImportedPage(reader2, 1), 1, 0, 0, 1, 0, 0);

      stamp.close();
    } catch (Exception de) {
      de.printStackTrace();
    }
  }
}
           

//以上代码测试不成功  

How to Merge PDF Files in iText

http://www.ehow.co.uk/how_7427980_merge-pdf-files-itext.html

Instructions

1. • 1

     Use the code to create a list of InputStream from the all the input PDFs. This should be done in main() method. Call MergePDF.concatPDFs() static method for a list of input PDFs and OutputStream object for the merged output PDF. A boolean flag represents the inclusion of page numbers as page line arguments.

   • 2

     Convert the list of InputStream objects to a list of PDFReader objects using the concatPDFs() method, for each input PDF, while also creating a list of InputStream. Then, create a document object for the merged PDF.

   • 3

     Create a PDFWriter for the desired OutputStream. Additionally, you can add page numbers to your document, and the font these numbers will be written in, using BaseFont.createFont() method. Write the merged PDF file using the Document class object and PdfWriter.getInstance() method.

   • 4

     Write the individual pages to the merged PDF output, then add text at the bottom of the page. Finally, close all streams and clear the buffers.

Read more: How to Merge PDF Files in iText | eHow.co.uk http://www.ehow.co.uk/how_7427980_merge-pdf-files-itext.html#ixzz1dklXZFEO

http://viralpatel.net/blogs/2009/06/itext-tutorial-merge-split-pdf-files-using-itext-jar.html

package net.viralpatel.itext.pdf;
 
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
 
import com.lowagie.text.Document;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
 
public class MergePDF {
 
    public static void main(String[] args) {
        try {
            List<InputStream> pdfs = new ArrayList<InputStream>();
            pdfs.add(new FileInputStream("c:\\1.pdf"));
            pdfs.add(new FileInputStream("c:\\2.pdf"));
            OutputStream output = new FileOutputStream("c:\\merge.pdf");
            MergePDF.concatPDFs(pdfs, output, true);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
 
    public static void concatPDFs(List<InputStream> streamOfPDFFiles,
            OutputStream outputStream, boolean paginate) {
 
        Document document = new Document();
        try {
            List<InputStream> pdfs = streamOfPDFFiles;
            List<PdfReader> readers = new ArrayList<PdfReader>();
            int totalPages = 0;
            Iterator<InputStream> iteratorPDFs = pdfs.iterator();
 
            // Create Readers for the pdfs.
            while (iteratorPDFs.hasNext()) {
                InputStream pdf = iteratorPDFs.next();
                PdfReader pdfReader = new PdfReader(pdf);
                readers.add(pdfReader);
                totalPages += pdfReader.getNumberOfPages();
            }
            // Create a writer for the outputstream
            PdfWriter writer = PdfWriter.getInstance(document, outputStream);
 
            document.open();
            BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
                    BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
            PdfContentByte cb = writer.getDirectContent(); // Holds the PDF
            // data
 
            PdfImportedPage page;
            int currentPageNumber = 0;
            int pageOfCurrentReaderPDF = 0;
            Iterator<PdfReader> iteratorPDFReader = readers.iterator();
 
            // Loop through the PDF files and add to the output.
            while (iteratorPDFReader.hasNext()) {
                PdfReader pdfReader = iteratorPDFReader.next();
 
                // Create a new page in the target for each source page.
                while (pageOfCurrentReaderPDF < pdfReader.getNumberOfPages()) {
                    document.newPage();
                    pageOfCurrentReaderPDF++;
                    currentPageNumber++;
                    page = writer.getImportedPage(pdfReader,
                            pageOfCurrentReaderPDF);
                    cb.addTemplate(page, 0, 0);
 
                    // Code for pagination.
                    if (paginate) {
                        cb.beginText();
                        cb.setFontAndSize(bf, 9);
                        cb.showTextAligned(PdfContentByte.ALIGN_CENTER, ""
                                + currentPageNumber + " of " + totalPages, 520,
                                5, 0);
                        cb.endText();
                    }
                }
                pageOfCurrentReaderPDF = 0;
            }
            outputStream.flush();
            document.close();
            outputStream.close();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (document.isOpen())
                document.close();
            try {
                if (outputStream != null)
                    outputStream.close();
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
    }
}

merge pdf into one source code java

import java.io.File;
import java.net.ConnectException;
import java.util.Date;

import com.artofsolving.jodconverter.DocumentConverter;
import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;
import com.artofsolving.jodconverter.openoffice.connection.SocketOpenOfficeConnection;
import com.artofsolving.jodconverter.openoffice.converter.OpenOfficeDocumentConverter;

public class Test {
	
	public void docToPdf(File inputFile, File outputFile){
		OpenOfficeConnection connection = new SocketOpenOfficeConnection(8100);
	    try{
	    	connection.connect();
	    	
	    	 // convert
		    DocumentConverter converter = new OpenOfficeDocumentConverter(connection);
		    converter.convert(inputFile, outputFile);
	    }catch(ConnectException cex){
	    	cex.printStackTrace();
	    }finally{
		    // close the connection
	    	if(connection!=null){
	    		connection.disconnect();
	    		connection = null;
	    	}
	    }
	    long l = (start.getTime()- new Date().getTime());
	    long day=l/(24*60*60*1000);
	       long hour=(l/(60*60*1000)-day*24);
	       long min=((l/(60*1000))-day*24*60-hour*60);
	       long s=(l/1000-day*24*60*60-hour*60*60-min*60);
	       System.out.println("生成"+outputFile.getName()+"耗费："+min+"分"+s+"秒");
	}
}