source: default/v2/trunk/de.ugoe.cs.swe.bnftools.ebnf/src/de/ugoe/cs/swe/bnftools/generator/FoToPdfOrRtf.java @ 84

package de.ugoe.cs.swe.bnftools.generator;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.stream.StreamSource;



import org.apache.fop.apps.FOPException;
import org.apache.fop.apps.Fop;
import org.apache.fop.apps.FopFactory;
import org.apache.fop.apps.MimeConstants;


public class FoToPdfOrRtf {


        
        public static void createPdfFromFo(String fileName) throws IOException, FOPException,
        TransformerException{

                createfoFromPdf(fileName,fileName);
        }
        
        public static void createRtfFromFo(String fileName) throws IOException, FOPException,
        TransformerException{

                createRtfFromFo(fileName,fileName);
        }
        
        private static void createRtfFromFo(String foFileName, String pdfFileName)throws IOException, FOPException,
        TransformerException{
                File file = new File(foFileName+".fo");
                // Step 1: Construct a FopFactory
                FopFactory fopFactory = FopFactory.newInstance();

                // Step 2: Set up output stream.
                OutputStream out = new BufferedOutputStream(new FileOutputStream(new File(pdfFileName+".rtf")));

                try {
                        // Step 3: Construct fop with desired output format
                        Fop fop = fopFactory.newFop(MimeConstants.MIME_RTF, out);

                        // Step 4: Setup JAXP using identity transformer
                        TransformerFactory factory = TransformerFactory.newInstance();
                        Transformer transformer = factory.newTransformer();

                        // Step 5: Setup input and output for XSLT transformation
                        Source src = new StreamSource(file);

                        // Resulting SAX events (the generated FO) must be piped through to FOP         
                        Result res = new SAXResult(fop.getDefaultHandler());

                        // Step 6: Start XSLT transformation and FOP processing
                        transformer.transform(src, res);
                } finally {
                        out.close();
                }
        }
        
        
        private static void createfoFromPdf(String foFileName, String pdfFileName)throws IOException, FOPException,
        TransformerException{
                File file = new File(foFileName+".fo");
                // Step 1: Construct a FopFactory
                FopFactory fopFactory = FopFactory.newInstance();

                // Step 2: Set up output stream.
                OutputStream out = new BufferedOutputStream(new FileOutputStream(new File(pdfFileName+".pdf")));

                try {
                        // Step 3: Construct fop with desired output format
                        Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, out);

                        // Step 4: Setup JAXP using identity transformer
                        TransformerFactory factory = TransformerFactory.newInstance();
                        Transformer transformer = factory.newTransformer();

                        // Step 5: Setup input and output for XSLT transformation
                        Source src = new StreamSource(file);

                        // Resulting SAX events (the generated FO) must be piped through to FOP         
                        Result res = new SAXResult(fop.getDefaultHandler());

                        // Step 6: Start XSLT transformation and FOP processing
                        transformer.transform(src, res);
                } finally {
                        out.close();
                }
        }
        
        public static void createPdfFromFo(File file,String fileName) throws IOException, FOPException,
        TransformerException{

                createfoFromPdf(file,"mytest");
        }
        
        private static void createfoFromPdf(File file, String pdfFileName)throws IOException, FOPException,
        TransformerException{
                // Step 1: Construct a FopFactory
                FopFactory fopFactory = FopFactory.newInstance();

                // Step 2: Set up output stream.
                OutputStream out = new BufferedOutputStream(new FileOutputStream(new File(pdfFileName+".pdf")));

                try {
                        // Step 3: Construct fop with desired output format
                        Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, out);

                        // Step 4: Setup JAXP using identity transformer
                        TransformerFactory factory = TransformerFactory.newInstance();
                        Transformer transformer = factory.newTransformer();

                        // Step 5: Setup input and output for XSLT transformation
                        Source src = new StreamSource(file);

                        // Resulting SAX events (the generated FO) must be piped through to FOP         
                        Result res = new SAXResult(fop.getDefaultHandler());

                        // Step 6: Start XSLT transformation and FOP processing
                        transformer.transform(src, res);
                } finally {
                        out.close();
                }
        }
}