/* * $Id: FopRenderer.java 6535 2006-01-22 03:53:59Z jaz $ * * Copyright (c) 2001-2006 The Open For Business Project - www.ofbiz.org * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */package org.ofbiz.webapp.view;import java.io.ByteArrayOutputStream;import java.io.Writer;import org.apache.avalon.framework.logger.Logger;import org.apache.avalon.framework.logger.Log4JLogger;import org.apache.fop.messaging.MessageHandler;import org.apache.fop.apps.Driver;import org.apache.fop.tools.DocumentInputSource;import org.apache.fop.image.FopImageFactory;import org.w3c.dom.Document;import org.xml.sax.InputSource;import org.ofbiz.base.util.Debug;import org.ofbiz.base.util.UtilXml;import org.ofbiz.base.util.GeneralException;/** * FopRenderer * * @author     <a href="mailto:jaz@ofbiz.org">Andy Zeneski</a> * @version    $Rev: 6535 $ * @since      3.5 */public class FopRenderer {    public static final String module = FopRenderer.class.getName();    public static ByteArrayOutputStream render(Writer writer) throws GeneralException {        // configure logging for the FOP        Logger logger = new Log4JLogger(Debug.getLogger(module));        MessageHandler.setScreenLogger(logger);        // load the FOP driver        Driver driver = new Driver();        driver.setRenderer(Driver.RENDER_PDF);        driver.setLogger(logger);        /*        try {            String buf = writer.toString();            java.io.FileWriter fw = new java.io.FileWriter(new java.io.File("/tmp/xslfo.out"));            fw.write(buf.toString());            fw.close();        } catch (IOException e) {            throw new GeneralException("Unable write to browser OutputStream", e);        }        */        // read the XSL-FO XML Document        Document xslfo = null;        try {            xslfo = UtilXml.readXmlDocument(writer.toString());        } catch (Throwable t) {            throw new GeneralException("Problems reading the parsed content to XML Document", t);        }        // create the output stream for the PDF        ByteArrayOutputStream out = new ByteArrayOutputStream();        driver.setOutputStream(out);        // set the input source (XSL-FO) and generate the PDF        InputSource is = new DocumentInputSource(xslfo);        driver.setInputSource(is);        try {            driver.run();            FopImageFactory.resetCache();        } catch (Throwable t) {            throw new GeneralException("Unable to generate PDF from XSL-FO", t);        }        return out;    }}