package com.questdiagnostics.applications.resultview.servlet;
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 com.questdiagnostics.applications.resultview.datanavigation.SessionReportData;
public class ReportGeneratorServlet extends HttpServlet {
java.util.Properties reportProps;
org.apache.xalan.serialize.Serializer serializer;
String foOutputFilename, xmlOutputFilename;
public void init() {
foOutputFilename = "ReportOutput.fo";
xmlOutputFilename = "ReportOutput.xml";
reportProps = new java.util.Properties();
reportProps.setProperty("report1001", "lr");
reportProps.setProperty("report1007", "lr");
reportProps.setProperty("report1006", "fr");
reportProps.setProperty("report1009", "ss");
reportProps.setProperty("report1011", "pvh");
reportProps.setProperty("report1012", "ps");
reportProps.setProperty("report1014", "na");
serializer = org.apache.xalan.serialize.SerializerFactory.getSerializer(
org.apache.xalan.templates.OutputProperties.getDefaultMethodProperties("xml"));
}
public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException {
String contentType="";
String size="small";
HttpSession session = request.getSession();
System.out.println("servlet: session ID = " + session.getId());
System.out.println("ReportGeneratorServlet says hi" + new java.util.Date().toString());
try {
if ( session.getAttribute("sessionReportObject") != null ) {
String port = "" + request.getServerPort();
SessionReportData srd = (SessionReportData)session.getAttribute("sessionReportObject");
System.out.println("srd.contentType = " + srd.contentType);
System.out.println("srd.reportId = " + srd.reportId);
System.out.println("reportProps.getProperty(report" + srd.reportId + ") = " + reportProps.getProperty("report" + srd.reportId));
if ( srd.contentType.equals("pdf") ) {
contentType = "Fo";
}
else {
contentType = "Html";
}
renderReport(reportProps.getProperty("report" + srd.reportId), contentType, size, port, srd.reportDom, response);
}
else {
PrintWriter out = response.getWriter();
out.println("Error\n"+
"ReportGeneratorServlet Error 3
No 'fo' "+
"request param given.");
}
}
catch (ServletException ex) { throw ex; }
catch (Exception ex) { throw new ServletException(ex); }
}
void renderReport(String reportName, String contentType, String tempDemoSize, String port,
org.w3c.dom.Document xmlDoc, HttpServletResponse response) throws ServletException {
try {
String xsltFilename = getServletConfig().getServletContext().getAttribute("XSLTPathPrefix")
+ reportName + "_XmlTo" + contentType + ".xsl";
File xsltFile = new File(xsltFilename);
/*
System.out.println("f.getAbsolutePath() = " + f.getAbsolutePath() );
System.out.println("f.getCanonicalPath() = " + f.getCanonicalPath() );
System.out.println("f.getName() = " + f.getName() );
System.out.println("f.getParent() = " + f.getParent() );
System.out.println("f.getPath() = " + f.getPath() );
System.out.println("f.toString() = " + f.toString() );
*/
// output XML for debugging
/*
File f = new File(xmlOutputFilename);
FileOutputStream fos = new FileOutputStream(f);
System.out.println("Writing XML source to: " + f.getAbsolutePath() + "\n");
serializer.setOutputStream(fos);
serializer.asDOMSerializer().serialize(xmlDoc);
fos.close();
*/
javax.xml.parsers.DocumentBuilderFactory dFactory = javax.xml.parsers.DocumentBuilderFactory.newInstance();
dFactory.setNamespaceAware(true);
javax.xml.parsers.DocumentBuilder dBuilder = dFactory.newDocumentBuilder();
javax.xml.transform.dom.DOMSource xmlDomSource = new javax.xml.transform.dom.DOMSource(xmlDoc);
org.w3c.dom.Document xslDoc = dBuilder.parse(xsltFile);
javax.xml.transform.dom.DOMSource xslDomSource = new javax.xml.transform.dom.DOMSource(xslDoc);
javax.xml.transform.TransformerFactory tFactory = javax.xml.transform.TransformerFactory.newInstance();
javax.xml.transform.Templates templates = tFactory.newTemplates(xslDomSource);
javax.xml.transform.Transformer transformer = templates.newTransformer();
if ( contentType.equals("Fo") ) {
if (reportName.equals("lr")) {
System.out.println("reportName="+reportName);
renderPdf(xmlDomSource, transformer, response, 1); }
else { renderPdf(xmlDomSource, transformer, response, 0); }
}
else {
renderHtml(xmlDomSource, transformer, response);
}
}
catch (Exception ex) { throw new ServletException(ex); }
}
void renderHtml(javax.xml.transform.dom.DOMSource xml, javax.xml.transform.Transformer transformer,
HttpServletResponse response) throws ServletException {
try {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
javax.xml.transform.stream.StreamResult streamResult = new javax.xml.transform.stream.StreamResult(out);
transformer.transform(xml, streamResult);
}
catch (Exception ex) { throw new ServletException(ex); }
}
void renderPdf(javax.xml.transform.dom.DOMSource xml, javax.xml.transform.Transformer transformer,
HttpServletResponse response, int isLabReport) throws ServletException {
try {
javax.xml.transform.dom.DOMResult foDomResult = new javax.xml.transform.dom.DOMResult();
transformer.transform(xml, foDomResult);
org.w3c.dom.Document foDoc = (org.w3c.dom.Document)foDomResult.getNode();
// output FO for debugging
/*
File f = new File(foOutputFilename);
FileOutputStream fos = new FileOutputStream(f);
System.out.println("Writing FO source to: " + f.getAbsolutePath() + "\n");
serializer.setOutputStream(fos);
serializer.asDOMSerializer().serialize(foDoc);
fos.close();
*/
ByteArrayOutputStream out = new ByteArrayOutputStream();
org.apache.fop.apps.Driver driver = new org.apache.fop.apps.Driver();
driver.setErrorDump(true);
driver.setRenderer(driver.RENDER_PDF);
driver.setupDefaultMappings() ;
driver.setOutputStream(out);
driver.render(foDoc);
response.setContentType("application/pdf");
if (isLabReport==1) {
System.out.println("isLabReport=true");
response.setHeader("Cache-Control", "max-age=20");
// response.setHeader("Pragma", "no-cache");
}
// response.setHeader("Cache-Control", "no-cache");
// response.setHeader("Cache-Control", "max-age=20");
byte[] content = out.toByteArray();
response.setContentLength(content.length);
response.getOutputStream().write(content);
response.getOutputStream().flush();
}
catch (Exception ex) { throw new ServletException(ex); }
}
}