/**
* return OutputStream of JasperReport object, this page could only be viewed from localhost for
* security concern. parameter can be (id), or (table and type)
*
* @param id - report id, or
* @param table - table name
* @param type - reporttype "s","l","o", case insensitive
* @param client(*) - client domain
* @param version - version number, default to -1
*/
public void process(HttpServletRequest request, HttpServletResponse response) throws Exception {
String clientName = request.getParameter("client");
int objectId = ParamUtils.getIntAttributeOrParameter(request, "id", -1);
if (objectId == -1) {
// try using table and type
objectId =
getReportId(clientName, request.getParameter("table"), request.getParameter("type"));
}
if (objectId == -1) {
logger.error("report not found, request is:" + Tools.toString(request));
throw new NDSException("report not found");
}
int version = ParamUtils.getIntAttributeOrParameter(request, "version", -1);
File reportXMLFile = new File(ReportTools.getReportFile(objectId, clientName));
if (reportXMLFile.exists()) {
// generate jasperreport if file not exists or not newer
String reportName =
reportXMLFile.getName().substring(0, reportXMLFile.getName().lastIndexOf("."));
File reportJasperFile = new File(reportXMLFile.getParent(), reportName + ".jasper");
if (!reportJasperFile.exists()
|| reportJasperFile.lastModified() < reportXMLFile.lastModified()) {
JasperCompileManager.compileReportToFile(
reportXMLFile.getAbsolutePath(), reportJasperFile.getAbsolutePath());
}
InputStream is = new FileInputStream(reportJasperFile);
response.setContentType("application/octetstream;");
response.setContentLength((int) reportJasperFile.length());
// response.setHeader("Content-Disposition","inline;filename=\""+reportJasperFile.getName()+"\"");
ServletOutputStream os = response.getOutputStream();
byte[] b = new byte[8192];
int bInt;
while ((bInt = is.read(b, 0, b.length)) != -1) {
os.write(b, 0, bInt);
}
is.close();
os.flush();
os.close();
} else {
throw new NDSException("Not found report template");
}
}
private InputStream getReport(
HttpServletRequest request,
HttpServletResponse response,
Tab tab,
TableModel tableModel,
Integer columnCountLimit)
throws ServletException, IOException {
StringBuffer suri = new StringBuffer();
suri.append("/xava/jasperReport");
suri.append("?language=");
suri.append(Locales.getCurrent().getLanguage());
suri.append("&widths=");
suri.append(Arrays.toString(getWidths(tableModel)));
if (columnCountLimit != null) {
suri.append("&columnCountLimit=");
suri.append(columnCountLimit);
}
response.setCharacterEncoding(XSystem.getEncoding());
return Servlets.getURIAsStream(request, response, suri.toString());
}
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>");
}
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");
}
}