public void service(HttpServletRequest request,
HttpServletResponse response) throws IOException, ServletException {
ServletContext context = this.getServletConfig().getServletContext();
File reportFile = new File(context.getRealPath("/reports/WebappReport.jasper"));
Map parameters = new HashMap();
parameters.put("ReportTitle", "Address Report");
parameters.put("BaseDir", reportFile.getParentFile());
byte[] bytes = null;
try
{
bytes =
JasperRunManager.runReportToPdf(
reportFile.getPath(),
parameters,
new WebappDataSource()
);
}
catch (JRException e)
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("< html >");
out.println("< head >");
out.println("< title >JasperReports - Web Application Sample< /title >");
out.println("< link rel=\"stylesheet\" type=\"text/css\" href=\"../stylesheet.css\" title=\"Style\" >");
out.println("< /head >");
out.println("< body bgcolor=\"white\" >");
out.println("< span class=\"bnew\" >JasperReports encountered this error :< /span >");
out.println("< pre >");
e.printStackTrace(out);
out.println("< /pre >");
out.println("< /body >");
out.println("< /html >");
return;
}
if (bytes != null && bytes.length > 0)
{
response.setContentType("application/pdf");
response.setContentLength(bytes.length);
ServletOutputStream ouputStream = response.getOutputStream();
ouputStream.write(bytes, 0, bytes.length);
ouputStream.flush();
ouputStream.close();
}
else
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("< html >");
out.println("< head >");
out.println("< title >JasperReports - Web Application Sample< /title >");
out.println("< link rel=\"stylesheet\" type=\"text/css\" href=\"../stylesheet.css\" title=\"Style\" >");
out.println("< /head >");
out.println("< body bgcolor=\"white\" >");
out.println("< span class=\"bold\" >Empty response.< /span >");
out.println("< /body >");
out.println("< /html >");
}
}
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