+ /*
+ * Method for dynamically generating a pdf using iText
+ */
+
+ public void getpdf(HttpServletRequest req, HttpServletResponse res)
+ throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
+ long starttime=System.currentTimeMillis();
+ String ID_REQUEST_PARAM = "id";
+ int maxArticlesInNewsleter = 15; // it is nice not to be dos'ed
+ try {
+ String idParam = req.getParameter(ID_REQUEST_PARAM);
+ if (idParam != null) {
+
+
+ RE re = new RE("[0-9]+");
+
+
+ REMatch[] idMatches=re.getAllMatches(idParam);
+
+ String cacheSelector="";
+
+ for (int i = 0; i < idMatches.length; i++){
+ cacheSelector= cacheSelector + "," + idMatches[i].toString();
+ }
+
+ String cacheType="pdf";
+
+ CacheKey theCacheKey = new CacheKey(cacheType,cacheSelector);
+
+ byte[] thePDF;
+
+ if (MirGlobal.mruCache().hasObject(theCacheKey)){
+ logger.info("fetching pdf from cache");
+ thePDF = (byte[]) MirGlobal.mruCache().getObject(theCacheKey);
+ }
+ else {
+ logger.info("generating pdf and caching it");
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ PDFGenerator pdfMaker = new PDFGenerator(out);
+
+ if (idMatches.length > 1){
+ pdfMaker.addLine();
+ for (int i = 0; i < idMatches.length && i < maxArticlesInNewsleter; i++){
+ REMatch aMatch = idMatches[i];
+ String id=aMatch.toString();
+ EntityContent contentEnt = (EntityContent)contentModule.getById(id);
+ pdfMaker.addIndexItem(contentEnt);
+ }
+ }
+
+ for (int i = 0; i < idMatches.length; i++){
+ REMatch aMatch = idMatches[i];
+ String id=aMatch.toString();
+ EntityContent contentEnt = (EntityContent)contentModule.getById(id);
+
+ pdfMaker.add(contentEnt);
+ }
+
+ pdfMaker.stop();
+ thePDF = out.toByteArray();
+
+ //and save all our hard work!
+ MirGlobal.mruCache().storeObject(theCacheKey,thePDF);
+ }
+
+ res.setContentType("application/pdf");
+ res.setContentLength(thePDF.length);
+ res.getOutputStream().write(thePDF);
+ res.getOutputStream().flush();
+ String elapsedtime=(new Long(System.currentTimeMillis()-starttime)).toString();
+ logger.info("pdf retireval took "+elapsedtime + " milliseconds" );
+
+ }
+ else {
+ throw new ServletModuleExc("Missing id.");
+ }
+ }
+ catch (Throwable t) {
+ logger.error(t.toString());
+ throw new ServletModuleFailure(t);
+ }
+
+ }
+
+
+ public String generateOnetimePassword() {
+ Random r = new Random();
+ int random = r.nextInt();
+
+ long l = System.currentTimeMillis();
+
+ l = (l * l * l * l) / random;
+ if (l < 0)
+ l = l * -1;
+
+ String returnString = "" + l;
+
+ return returnString.substring(5);
+ }
+
+ public void deliver(HttpServletRequest aRequest, HttpServletResponse aResponse, Map aData, Map anExtra, String aGenerator) throws ServletModuleFailure {
+ try {
+ deliver(aResponse.getWriter(), aRequest, aResponse, aData, anExtra, aGenerator);
+ }
+ catch (Throwable t) {
+ throw new ServletModuleFailure(t);
+ }
+ }
+
+ public void deliver(PrintWriter anOutputWriter, HttpServletRequest aRequest, HttpServletResponse aResponse, Map aData, Map anExtra, String aGenerator)
+ throws ServletModuleFailure {
+ try {
+ Map responseData = ServletHelper.makeGenerationData(aResponse, new Locale[] { getLocale(aRequest), getFallbackLocale(aRequest)}, "bundles.open");
+ responseData.put("data", aData);
+ responseData.put("extra", anExtra);
+
+
+ Generator generator = MirGlobal.localizer().generators().makeOpenPostingGeneratorLibrary().makeGenerator(aGenerator);
+ generator.generate(anOutputWriter, responseData, logger);
+
+ anOutputWriter.close();
+ }
+ catch (Throwable e) {
+ logger.error("Error while generating " + aGenerator + ": " + e.getMessage());
+
+ throw new ServletModuleFailure(e);
+ }
+ }
+
+ public void deliver(PrintWriter anOutputWriter, HttpServletRequest aRequest, HttpServletResponse aResponse, Map aData, Map anExtra, String aGenerator,String aLocaleString)
+ throws ServletModuleFailure {
+ try {
+ Map responseData = ServletHelper.makeGenerationData(aResponse, new Locale[] { new Locale(aLocaleString,""), getFallbackLocale(aRequest)}, "bundles.open");
+ responseData.put("data", aData);
+ responseData.put("extra", anExtra);
+
+
+ Generator generator = MirGlobal.localizer().generators().makeOpenPostingGeneratorLibrary().makeGenerator(aGenerator);
+ generator.generate(anOutputWriter, responseData, logger);
+
+ anOutputWriter.close();
+ }
+ catch (Throwable e) {
+ logger.error("Error while generating " + aGenerator + ": " + e.getMessage());
+
+ throw new ServletModuleFailure(e);
+ }
+ }
+
+
+ public void handleError(HttpServletRequest aRequest, HttpServletResponse aResponse,PrintWriter out, Throwable anException) {
+ try {
+ logger.error("error: " + anException);
+ Map data = new HashMap();
+
+ data.put("errorstring", anException.getMessage());
+ data.put("date", StringUtil.date2readableDateTime(new GregorianCalendar()));
+
+ deliver(out, aRequest, aResponse, data, null, configuration.getString("ServletModule.OpenIndy.ErrorTemplate"));
+ }
+ catch (Throwable e) {
+ throw new ServletModuleFailure(e);
+ }
+ }
+
+ public void handleUserError(HttpServletRequest aRequest, HttpServletResponse aResponse,
+ PrintWriter out, ServletModuleUserExc anException) {
+ try {
+ logger.warn("user error: " + anException.getMessage());
+ Map data = new HashMap();
+
+ MessageResources messages = MessageResources.getMessageResources("bundles.open");
+ data.put("errorstring", messages.getMessage(getLocale(aRequest), anException.getMessage(), anException.getParameters()));
+ data.put("date", StringUtil.date2readableDateTime(new GregorianCalendar()));