--- /dev/null
+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.XSLTInputHandler;
+
+import org.apache.log.*;
+
+import mir.servlet.*;
+import mir.module.*;
+import mir.misc.*;
+import mir.entity.*;
+import mir.storage.*;
+
+
+import mircoders.entity.*;
+import mircoders.storage.*;
+import mircoders.module.*;
+import mircoders.producer.*;
+
+
+
+/**
+ * generate a PDF from a servlet.
+ * Servlet param is:
+ * <ul>
+ * <li>id: the id number of the content entity to turn into a pdf
+ * </ul>
+ *
+ * Example URL: http://servername/servlet/OutputMir?id=66
+ * 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 OutputMir extends AbstractServlet {
+ private ModuleContent contentModule;
+
+ public static final String ID_REQUEST_PARAM = "id";
+
+ 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.WARN);
+ }
+ getConfig(request);
+
+ String producerStorageRoot=MirConfig.getProp("Producer.StorageRoot");
+ String producerDocRoot=MirConfig.getProp("Producer.DocRoot");
+ String templateDir = MirConfig.getPropWithHome("HTMLTemplateProcessor.Dir");
+ String xslSheet=templateDir + "/" + MirConfig.getProp("Producer.PrintableContent.html2foStyleSheetName");
+ try {
+ contentModule = new ModuleContent(DatabaseContent.getInstance());
+
+ String idParam = request.getParameter(ID_REQUEST_PARAM);
+ if (idParam != null){
+ EntityContent contentEnt = (EntityContent)contentModule.getById(idParam);
+ String publishPath = contentEnt.getValue("publish_path");
+ String foFile = producerStorageRoot + producerDocRoot + "/" +publishPath + "/" + idParam + ".fo";
+ XSLTInputHandler input = new XSLTInputHandler(new File(foFile), new File(xslSheet));
+ renderXML(input, response);
+ } else {
+ PrintWriter out = response.getWriter();
+ out.println("<html><head><title>Error</title></head>\n"+
+ "<body><h1>OutputMir Error</h1><h3>No 'id' "+
+ "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");
+
+ 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(XSLTInputHandler input,
+ HttpServletResponse response) throws ServletException {
+ try {
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+
+ response.setContentType("application/pdf");
+
+ Driver driver = new Driver();
+ driver.setLogger(log);
+ driver.setRenderer(Driver.RENDER_PDF);
+ driver.setOutputStream(out);
+ driver.render(input.getParser(), input.getInputSource());
+
+ byte[] content = out.toByteArray();
+ 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);
+ }
+ }
+
+}
+
+
+
+
+
+
projects / mir.git / commitdiff