private int[] getWidths(TableModel tableModel) {
int[] widths = new int[tableModel.getColumnCount()];
for (int r = 0;
r < Math.min(tableModel.getRowCount(), 500);
r++) { // 500 is not for performance, but for using only a sample of data with huge table
for (int c = 0; c < tableModel.getColumnCount(); c++) {
Object o = tableModel.getValueAt(r, c);
if (o instanceof String) {
String s = ((String) o).trim();
if (s.length() > widths[c]) widths[c] = s.length();
}
}
}
return widths;
}
public int getRowCount() {
return original.getRowCount();
}
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");
}
}