[Rapforums-developer] src/source thread2pdf.jsp,NONE,1.1

[Brad R. <br...@us...>]

Update of /cvsroot/rapforums/src/source
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18849

Added Files:
	thread2pdf.jsp 
Log Message:
no message

--- NEW FILE: thread2pdf.jsp ---
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.SQLException" %>
<%@ page import="org.jasig.portal.RDBMServices" %>
<%@ page import="org.jasig.portal.services.LogService" %>

<%@ page import="edu.fullcoll.uportal.channels.rap.forum.CForum" %>
<%@ page import="edu.fullcoll.uportal.channels.rap.forum.filter.IFilterManager" %>
<%@ page import="edu.fullcoll.uportal.channels.rap.forum.filter.RAPFilterManager" %>
<%@ page import="edu.fullcoll.uportal.channels.rap.forum.xml.ViewXMLFactory" %>
<%@ page import="edu.fullcoll.uportal.channels.rap.forum.xml.RAPViewXML" %>
<%@ page import="edu.fullcoll.uportal.channels.rap.forum.ForumSessionData" %>

<%@ page import="org.jdom.Document" %>
<%@ page import="org.jdom.Element" %>
<%@ page import="org.jdom.output.XMLOutputter" %>

<%@ page import="org.apache.fop.apps.Driver" %>
<%@ page import="org.apache.fop.apps.XSLTInputHandler" %>
<%@ page import="org.apache.fop.messaging.MessageHandler" %>

<%@ page import="java.net.URI" %>
<%@ page import="java.io.FileWriter" %>
<%@ page import="java.io.BufferedWriter" %>
<%@ page import="java.io.Reader" %>
<%@ page import="java.io.FileReader" %>
<%@ page import="java.io.FileInputStream" %>
<%@ page import="java.io.File" %>
<%@ page import="java.io.StringWriter" %>
<%@ page import="java.io.StringReader" %>
<%@ page import="java.io.ByteArrayOutputStream" %>
<%@ page import="java.util.Iterator" %>
<%@ page import="org.jasig.portal.utils.ResourceLoader" %>
<%@ page import="org.apache.avalon.framework.logger.NullLogger" %>


<%
	try {

		final int INITITAL_BUFFER_SIZE = 5000;
        String xml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>";
        StringWriter writer = new StringWriter(INITITAL_BUFFER_SIZE);

        int lpg = 0;
        try  {
            lpg = Integer.parseInt(request.getParameter("lpg"));
        } catch (Exception e)  {
            lpg = 0;
        }

				String username = "temp";

        try {
            int startRow = 1;
            if(lpg != 0)
                startRow = lpg+1;
            int endRow = 5;
            if(lpg != 0)
                endRow = lpg + 5;

            // Paging is setup to display only 5 threads at a time'
            RAPViewXML rapViewXML = ViewXMLFactory.createRAPViewXML();
            Document doc = rapViewXML.getCommentsXML(Integer.parseInt(request.getParameter("forum")),
                											Integer.parseInt(request.getParameter("thread")), startRow, endRow);
            Element forumsRootElement = doc.getRootElement();


            //run the comment filters
            IFilterManager filterManager = RAPFilterManager.getInstance();
            Iterator iterator =
                forumsRootElement.getChild("rapforum").getChild("rapcomments").getChildren().iterator();

            //get and filter the subject and body tags
            Element e = null;
            String subject = null;
            String body = null;
            while (iterator.hasNext()) {
                e = (Element)iterator.next();
                subject = e.getChild("subject").getText();
                body = e.getChild("body").getText();

                subject = filterManager.filterSubject(subject);
                body = filterManager.filterSubject(body);

                e.getChild("subject").setText(subject);
                e.getChild("body").setText(body);
            }
            /*
						Element nameElement = new Element("username");
            username = (String) request.getParameter("displayname");
            nameElement.setText(username);
            forumsRootElement.addContent(nameElement);
						 */

            Element pageElement = new Element("currentpage");
            pageElement.setText( (Math.ceil(lpg / 5) + 1) + "");
            forumsRootElement.addContent(pageElement);

            XMLOutputter outputter = new XMLOutputter("  ", true);
            outputter.output(forumsRootElement, writer);
        } catch (Exception e) {
            //todo write out something to the page
            e.printStackTrace();
            LogService.instance().log(LogService.ERROR, e);
        }
        xml += writer.toString();

				// Write XML to a temp file because FOP won't work otherwise
				Long time = new Long(System.currentTimeMillis());
				String tempFileName = username+time.toString()+".xml";

				FileWriter tempFW = new FileWriter(tempFileName);
				BufferedWriter buffWriter = new BufferedWriter(tempFW);
				buffWriter.write(xml);
				buffWriter.close();

				ResourceLoader rl = new ResourceLoader();

				File fisXSL = rl.getResourceAsFile(Class.forName("edu.fullcoll.uportal.channels.rap.forum.CForum"), "threadfo.xsl");  // grabs the xsl from the forums jar
				File fisXML = new File(tempFileName);

				XSLTInputHandler input = new XSLTInputHandler(fisXML, fisXSL);

				ByteArrayOutputStream output = new ByteArrayOutputStream();
				response.setContentType("application/pdf");

				Driver driver = new Driver();
				driver.setLogger(new NullLogger());
				driver.setRenderer(Driver.RENDER_PDF);
				driver.setOutputStream(output);
				driver.render(input.getParser(), input.getInputSource());

				byte[] content = output.toByteArray();
				response.setContentLength(content.length);
				response.getOutputStream().write(content);
				response.getOutputStream().flush();

				// delete temp file
				fisXML.delete();

		} catch(Exception e) {
			e.printStackTrace();
			LogService.instance().log(LogService.ERROR, e);
		}
%>