private static JRCompiler getCompiler(JasperReport jasperReport) throws JRException {
JRCompiler compiler = null;
String compilerClassName = jasperReport.getCompilerClass();
Class compilerClass = null;
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
if (classLoader != null) {
try {
compilerClass = classLoader.loadClass(compilerClassName);
} catch (ClassNotFoundException e) {
}
}
if (compilerClass == null) {
classLoader = JasperCompileManager.class.getClassLoader();
try {
if (classLoader == null) {
compilerClass = Class.forName(compilerClassName);
} else {
compilerClass = classLoader.loadClass(compilerClassName);
}
} catch (ClassNotFoundException e) {
throw new JRException("Report compiler class not found : " + compilerClassName);
}
}
try {
compiler = (JRCompiler) compilerClass.newInstance();
} catch (Exception e) {
throw new JRException("Could not instantiate report compiler : " + compilerClassName, e);
}
return compiler;
}
public static JREvaluator loadEvaluator(JasperReport jasperReport) throws JRException {
return loadEvaluator(jasperReport, jasperReport.getMainDataset());
}