private JasperPrint runAndRender(Report report) throws Exception, JRException {
JasperPrint jasperPrint = new JasperPrint();
JasperReport jasperReport =
JasperCompileManager.compileReport(
System.getProperty("opennms.home")
+ File.separator
+ "etc"
+ File.separator
+ "report-templates"
+ File.separator
+ report.getReportTemplate());
if (report.getReportEngine().equals("jdbc")) {
Connection connection = DataSourceFactory.getDataSource().getConnection();
jasperPrint =
JasperFillManager.fillReport(
jasperReport, paramListToMap(report.getParameterCollection()), connection);
connection.close();
} else if (report.getReportEngine().equals("opennms")) {
LogUtils.errorf(this, "Sorry the OpenNMS Data source engine is not yet available");
jasperPrint = null;
} else {
LogUtils.errorf(this, "Unknown report engine: %s ", report.getReportEngine());
jasperPrint = null;
}
return jasperPrint;
}
/**
* {@inheritDoc}
*
* @throws ReportRunException
*/
public synchronized String runReport(Report report, String reportDirectory)
throws ReportRunException {
String outputFile = null;
try {
outputFile =
generateReportName(reportDirectory, report.getReportName(), report.getReportFormat());
JasperPrint print = runAndRender(report);
outputFile = saveReport(print, report.getReportFormat(), outputFile);
} catch (JRException e) {
LogUtils.errorf(this, e, "Error running report: %s", e.getMessage());
throw new ReportRunException("Caught JRException: " + e.getMessage());
} catch (Throwable e) {
LogUtils.errorf(this, e, "Unexpected exception: %s", e.getMessage());
throw new ReportRunException(
"Caught unexpected " + e.getClass().getName() + ": " + e.getMessage());
}
return outputFile;
}