@Override public void getResource(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException { ServletLifecycle.beginRequest(request); try { ServletContexts.instance().setRequest(request); ConversationPropagation.instance().restoreConversationId(request.getParameterMap()); Manager.instance().restoreConversation(); ServletLifecycle.resumeConversation(request); final ReportResult reportResult = (ReportResult) Contexts.getConversationContext().get("user.reportResult"); if (reportResult != null) { response.setContentType("text/csv"); response.setCharacterEncoding("UTF-8"); final PrintWriter out = response.getWriter(); boolean first = true; for (final ColumnDefinition column : reportResult.getGroupByColumns()) { if (!first) { out.print(DELIM); } out.print(toCSVString(column.getHeader())); first = false; } for (final ColumnDefinition column : reportResult.getColumns()) { if (!first) { out.print(DELIM); } out.print(toCSVString(column.getHeader())); first = false; } out.println(); for (final ReportResultGroup group : reportResult.getGroups()) { writeReportGroup(0, group, out); } for (final ReportRow row : reportResult.getRows()) { writeReportRow(row, reportResult.getColumns(), out); } out.close(); } } finally { ServletLifecycle.endRequest(request); } }
public String getRequestConversationId(Map parameters) { return ConversationPropagation.getRequestParameterValue(parameters, getParameterName()); }