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FopTool.java

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package net.threebit.utils.sosc;

/*
        Copyright 2003 Shawn Deleurme
        Copyright 2003 Kevin O'Donnell

        This program is free software; you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation; either version 2 of the License, or
        (at your option) any later version.

        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with this program; if not, write to the Free Software
        Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

import java.io.*;
import java.sql.*;
import java.util.*;
import javax.xml.transform.stream.*;
import javax.xml.transform.*;
import java.text.*;
import org.apache.fop.apps.Driver;
import org.apache.fop.apps.Version;
import org.apache.fop.apps.XSLTInputHandler;
import org.apache.fop.messaging.MessageHandler;

public class FopTool {

        public static final int RENDER_PDF = Driver.RENDER_PDF;
        public static final int RENDER_PS = Driver.RENDER_PS;

        public static void toPDF (String xmlData, String xslPath, OutputStream out) throws Exception {
                render(xmlData, xslPath, out, RENDER_PDF);
                /*
                if (destination == null) { throw new Exception("destination is null."); }
                if (xmlData == null) { throw new Exception("xmlData is null"); }
                if (xslPath == null) { throw new Exception("xslPath is null"); }
                Source xmlSource = new StreamSource(new StringReader(xmlData));
                Source xslSource = new StreamSource( new File(xslPath));
                toPDF(xmlSource,xslSource,destination);
                */
        }

        public static void toPDF (Source xmlSource, Source xslSource, OutputStream out) throws Exception {
                render(xmlSource, xslSource, out, RENDER_PDF);
                /*
                // Assert
                if (destination == null) { throw new Exception("destination is null."); }
                if (xmlSource == null) { throw new Exception("xmlSource is null"); }
                if (xslSource == null) { throw new Exception("xslSource is null"); }

                // Render with FOP
                Driver driver = new Driver();
                driver.setOutputStream( destination );
                driver.setRenderer(Driver.RENDER_PDF);
        
                // Do the transform and PDF rendering directly to the destination output stream.
                Result result = new StreamResult( destination );
                TransformerFactory tf = TransformerFactory.newInstance();
                Transformer transformer = tf.newTransformer( xslSource );
                transformer.transform(xmlSource, new javax.xml.transform.sax.SAXResult(driver.getContentHandler()));
                */
        }

        public static void render (String xmlData, String xslPath, OutputStream out, int renderMode) throws Exception {
                if (xmlData == null) { throw new Exception("xmlData is null"); }
                if (xslPath == null) { throw new Exception("xslPath is null"); }
                Source xmlSource = new StreamSource(new StringReader(xmlData));
                Source xslSource = new StreamSource( new File(xslPath));
                render(xmlSource, xslSource, out, renderMode);
        }

        public static void render (Source xmlSource, Source xslSource, OutputStream out, int renderMode) throws Exception {

                // Assert
                if (xmlSource == null) { throw new Exception("xmlSource is null"); }
                if (xslSource == null) { throw new Exception("xslSource is null"); }
                if (out == null) { throw new Exception("out is null."); }
                // renderMode is not checked

                // Render with FOP
                Driver driver = new Driver();
                driver.setOutputStream( out );
                driver.setRenderer(renderMode);
        
                // Do the transform and PDF rendering directly to the destination output stream.
                Result result = new StreamResult( out );
                TransformerFactory tf = TransformerFactory.newInstance();
                Transformer transformer = tf.newTransformer( xslSource );
                transformer.transform(xmlSource, new javax.xml.transform.sax.SAXResult(driver.getContentHandler()));

        }

}

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