private void generateNoRowsPage(HttpServletResponse response) throws Exception { response.setContentType("text/html"); response.getWriter().println("<html><head><title>"); response.getWriter().println(XavaResources.getString("no_rows_report_message_title")); response .getWriter() .println( "</title></head><body style='font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;'>"); response.getWriter().println("<h1 style='font-size:22px;'>"); response.getWriter().println(XavaResources.getString("no_rows_report_message_title")); response.getWriter().println("</h1>"); response.getWriter().println("<p style='font-size:16px;'>"); response.getWriter().println(XavaResources.getString("no_rows_report_message_detail")); response.getWriter().println("</p></body></html>"); }
@Override // !!! note that this gets called for missing pages, but not if exceptions are thrown; // exceptions are handled separately public void handle( String target, Request request, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws IOException { request.setHandled(true); httpServletResponse .getWriter() .println( String.format("<h1>Page doesn't exist: %s</h1>", request.getUri().getDecodedPath())); }
protected void writeResponse( final HttpServletResponse httpServletResponse, final SimpleStatusResponse simpleStatusResponse) { Gson gson = new Gson(); try { httpServletResponse.setContentType("application/json; charset=utf-8"); _log.debug("Serializing: " + simpleStatusResponse); final PrintWriter writer = httpServletResponse.getWriter(); gson.toJson(simpleStatusResponse.getResponseStatus(), writer); writer.flush(); writer.close(); } catch (Exception e) { _log.error("Error while writing response: " + e.getMessage(), e); } }
protected void writeResponseGenericWithDate( final HttpServletResponse httpServletResponse, final Date lastModified, final int expirationTime, final Object object) { Gson gson = new Gson(); try { httpServletResponse.setContentType("application/json; charset=utf-8"); if (lastModified != null) { httpServletResponse.addHeader("Expires", createDateHeader(expirationTime)); httpServletResponse.addHeader("Last-Modified", toHttpDate(lastModified)); } _log.debug("Serializing: " + object); final PrintWriter writer = httpServletResponse.getWriter(); gson.toJson(object, writer); writer.flush(); writer.close(); } catch (Exception e) { _log.error("Error while writing response: " + e.getMessage(), e); } }
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { Locales.setCurrent(request); if (Users.getCurrent() == null) { // for a bug in websphere portal 5.1 with Domino LDAP Users.setCurrent((String) request.getSession().getAttribute("xava.user")); } request.getParameter("application"); // for a bug in websphere 5.1 request.getParameter("module"); // for a bug in websphere 5.1 Tab tab = (Tab) request.getSession().getAttribute("xava_reportTab"); int[] selectedRowsNumber = (int[]) request.getSession().getAttribute("xava_selectedRowsReportTab"); Map[] selectedKeys = (Map[]) request.getSession().getAttribute("xava_selectedKeysReportTab"); int[] selectedRows = getSelectedRows(selectedRowsNumber, selectedKeys, tab); request.getSession().removeAttribute("xava_selectedRowsReportTab"); Integer columnCountLimit = (Integer) request.getSession().getAttribute("xava_columnCountLimitReportTab"); request.getSession().removeAttribute("xava_columnCountLimitReportTab"); setDefaultSchema(request); String user = (String) request.getSession().getAttribute("xava_user"); request.getSession().removeAttribute("xava_user"); Users.setCurrent(user); String uri = request.getRequestURI(); if (uri.endsWith(".pdf")) { InputStream is; JRDataSource ds; Map parameters = new HashMap(); synchronized (tab) { tab.setRequest(request); parameters.put("Title", tab.getTitle()); parameters.put("Organization", getOrganization()); parameters.put("Date", getCurrentDate()); for (String totalProperty : tab.getTotalPropertiesNames()) { parameters.put(totalProperty + "__TOTAL__", getTotal(request, tab, totalProperty)); } TableModel tableModel = getTableModel(request, tab, selectedRows, false, true, null); tableModel.getValueAt(0, 0); if (tableModel.getRowCount() == 0) { generateNoRowsPage(response); return; } is = getReport(request, response, tab, tableModel, columnCountLimit); ds = new JRTableModelDataSource(tableModel); } JasperPrint jprint = JasperFillManager.fillReport(is, parameters, ds); response.setContentType("application/pdf"); response.setHeader( "Content-Disposition", "inline; filename=\"" + getFileName(tab) + ".pdf\""); JasperExportManager.exportReportToPdfStream(jprint, response.getOutputStream()); } else if (uri.endsWith(".csv")) { String csvEncoding = XavaPreferences.getInstance().getCSVEncoding(); if (!Is.emptyString(csvEncoding)) { response.setCharacterEncoding(csvEncoding); } response.setContentType("text/x-csv"); response.setHeader( "Content-Disposition", "inline; filename=\"" + getFileName(tab) + ".csv\""); synchronized (tab) { tab.setRequest(request); response .getWriter() .print( TableModels.toCSV( getTableModel(request, tab, selectedRows, true, false, columnCountLimit))); } } else { throw new ServletException( XavaResources.getString("report_type_not_supported", "", ".pdf .csv")); } } catch (Exception ex) { log.error(ex.getMessage(), ex); throw new ServletException(XavaResources.getString("report_error")); } finally { request.getSession().removeAttribute("xava_reportTab"); } }
@Override public void doHandle( String target, Request request, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws IOException, ServletException { LOG.info("handling " + target); // !!! doHandle() is called twice for a request when using redirectiion, first time with // request.getPathInfo() // set to the URI and target set to the path, then with request.getPathInfo() set to null and // target set to the .jsp try { // request.setHandled(true); boolean secured; if (request.getScheme().equals("https")) { secured = true; } else if (request.getScheme().equals("http")) { secured = false; } else { httpServletResponse .getWriter() .println( String.format( "<h1>Unknown scheme %s at %s</h1>", request.getScheme(), request.getUri().getDecodedPath())); return; } if (request.getMethod().equals("GET")) { if (isInJar || target.endsWith(".jsp")) { // !!! when not in jar there's no need to do anything about params if it's not a .jsp, // as this will get called again for the corresponding .jsp if (prepareForJspGet(target, request, httpServletResponse, secured)) { return; } } if (target.startsWith(PATH_OPEN_ARTICLE)) { handleOpenArticle(request, httpServletResponse, target); return; } super.doHandle(target, request, httpServletRequest, httpServletResponse); LOG.info("handling of " + target + " went to super"); // httpServletResponse.setDateHeader("Date", System.currentTimeMillis()); //ttt2 review // these, probably not use // httpServletResponse.setDateHeader("Expires", System.currentTimeMillis() + 60000); return; } if (request.getMethod().equals("POST")) { if (request.getUri().getDecodedPath().equals(PATH_LOGIN)) { handleLoginPost(request, httpServletResponse, secured); } else if (request.getUri().getDecodedPath().equals(PATH_SIGNUP)) { handleSignupPost(request, httpServletResponse); } else if (request.getUri().getDecodedPath().equals(PATH_CHANGE_PASSWORD)) { handleChangePasswordPost(request, httpServletResponse); } else if (request.getUri().getDecodedPath().equals(PATH_UPDATE_FEED_LIST)) { handleUpdateFeedListPost(request, httpServletResponse); } else if (request.getUri().getDecodedPath().equals(PATH_ADD_FEED)) { handleAddFeedPost(request, httpServletResponse); } else if (request.getUri().getDecodedPath().equals(PATH_REMOVE_FEED)) { handleRemoveFeedPost(request, httpServletResponse); } else if (request.getUri().getDecodedPath().equals(PATH_CHANGE_SETTINGS)) { handleChangeSettingsPost(request, httpServletResponse); } } /*{ // for tests only; httpServletResponse.getWriter().println(String.format("<h1>Unable to process request %s</h1>", request.getUri().getDecodedPath())); request.setHandled(true); }*/ } catch (Exception e) { LOG.error("Error processing request", e); try { // redirectToError(e.toString(), request, httpServletResponse); //!!! redirectToError leads // to infinite loop, probably related to // the fact that we get 2 calls for a regular request when redirecting httpServletResponse .getWriter() .println( String.format( "<h1>Unable to process request %s</h1>", // ttt1 generate some HTML request.getUri().getDecodedPath())); request.setHandled(true); } catch (Exception e1) { LOG.error("Error redirecting", e1); } } }