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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=9235 FOP Servlet Error ------- Additional Comments From [EMAIL PROTECTED] 2002-05-20 12:52 ------- /* * $Id: FopServlet.java,v 1.4.2.1 2002/03/01 12:44:39 chrisg Exp $ * Copyright (C) 2001 The Apache Software Foundation. All rights reserved. * For details on use and redistribution please refer to the * LICENSE file included with these sources. */ import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import org.xml.sax.InputSource; import org.xml.sax.XMLReader; import org.apache.fop.apps.Driver; import org.apache.fop.apps.Version; import org.apache.fop.apps.*; import org.apache.log.*; /** * Example servlet to generate a PDF from a servlet. * Servlet param is: * <ul> * <li>fo: the path to a formatting object file to render * </ul> * * Example URL: http://servername/servlet/FopServlet?fo=readme.fo * Example URL: http://servername/servlet/FopServlet? xml=data.xml&xsl=format.xsl * Compiling: you will need * - servlet_2_2.jar * - fop.jar * - sax api * - logkit jar * * Running: you will need in the WEB-INF/lib/ directory: * - fop.jar * - batik.jar * - avalon-framework-4.0.jar * - logkit-1.0.jar * - xalan-2.0.0.jar */ public class FopServlet extends HttpServlet { public static final String FO_REQUEST_PARAM = "fo"; public static final String XML_REQUEST_PARAM = "xml"; public static final String XSL_REQUEST_PARAM = "xsl"; Logger log = null; public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException { if(log == null) { Hierarchy hierarchy = Hierarchy.getDefaultHierarchy(); log = hierarchy.getLoggerFor("fop"); log.setPriority(Priority.DEBUG); } try { String foParam = request.getParameter(FO_REQUEST_PARAM); String xmlParam = request.getParameter(XML_REQUEST_PARAM); String xslParam = request.getParameter(XSL_REQUEST_PARAM); System.out.println("XML = (" + xmlParam + ")"); System.out.println("XSL = (" + xslParam + ")"); if (foParam != null) { FileInputStream file = new FileInputStream(foParam); renderFO(new InputSource(file), response); } else if((xmlParam != null) && (xslParam != null)) { //InputHandler input = new XSLTInputHandler(new File (xmlParam), new File(xslParam)); System.out.println("Before renderXML"); renderXML(new File(xmlParam), new File(xslParam), response); } else { PrintWriter out = response.getWriter(); out.println("<html><head><title>Error</title></head>\n"+ "<body><h1>FopServlet Error</h1><h3>No 'fo' "+ "request param given.</body></html>"); } } catch (ServletException ex) { throw ex; } catch (Exception ex) { throw new ServletException(ex); } } /** * renders an FO inputsource into a PDF file which is rendered * directly to the response object's OutputStream */ public void renderFO(InputSource foFile, HttpServletResponse response) throws ServletException { try { ByteArrayOutputStream out = new ByteArrayOutputStream(); response.setContentType("application/pdf"); //response.setContentType("text/html"); Driver driver = new Driver(foFile, out); driver.setLogger(log); driver.setRenderer(Driver.RENDER_PDF); driver.run(); byte[] content = out.toByteArray(); response.setContentLength(content.length); response.getOutputStream().write(content); response.getOutputStream().flush(); } catch (Exception ex) { throw new ServletException(ex); } } public void renderXML(File inputXML, File inputXSL, HttpServletResponse response) throws ServletException { try { ByteArrayOutputStream out = new ByteArrayOutputStream(); response.setContentType("application/pdf"); InputHandler inputHandler = new XSLTInputHandler (inputXML, inputXSL); XMLReader parser = inputHandler.getParser(); Driver driver = new Driver(); driver.setLogger(log); driver.setRenderer(Driver.RENDER_PDF); driver.setOutputStream(out); driver.render(parser, inputHandler.getInputSource()); byte[] content = out.toByteArray(); System.out.println("Length = (" + content.length + ")"); response.setContentLength(content.length); response.getOutputStream().write(content); response.getOutputStream().flush(); } catch (Exception ex) { throw new ServletException(ex); } } /** * creates a SAX parser, using the value of org.xml.sax.parser * defaulting to org.apache.xerces.parsers.SAXParser * * @return the created SAX parser */ static XMLReader createParser() throws ServletException { String parserClassName = System.getProperty("org.xml.sax.parser"); if (parserClassName == null) { parserClassName = "org.apache.xerces.parsers.SAXParser"; } try { return (XMLReader) Class.forName( parserClassName).newInstance(); } catch (Exception e) { throw new ServletException(e); } } } --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
