Report Layout and Design - JasperReports for Java Developers - page 142

datasourceMap
.put(
"lots_of_data",
"This element contains so much data, "
+ "there is no way it will ever fit in the text field
without it stretching.");
reportRows.add(datasourceMap);
return reportRows;
}
protected void doGet(HttpServletRequest request, HttpServletResponse
response) throws ServletException, IOException
{
ServletOutputStream servletOutputStream =
response.getOutputStream();
InputStream reportStream = getServletConfig().getServletContext().
getResourceAsStream("/reports/TextFieldStretchDemo.jasper");
try
{
JRDataSource dataSource = createReportDataSource();
JasperRunManager.runReportToPdfStream(reportStream,
servletOutputStream, new HashMap(), dataSource);
response.setContentType("application/pdf");
servletOutputStream.flush();
servletOutputStream.close();
}
catch (Exception e)
{
// display stack trace in the browser
StringWriter stringWriter = new StringWriter();
PrintWriter printWriter = new PrintWriter(stringWriter);
e.printStackTrace(printWriter);
response.setContentType("text/plain");
response.getOutputStream().print(stringWriter.toString());
}
}
}