/** Verify and invoke main if present in the specified class. */
public static void invokeApplicationMain(Class mainClass, String[] args)
throws InvocationTargetException, IllegalAccessException, ClassNotFoundException {
String err = localStrings.getLocalString("utility.no.main", "", new Object[] {mainClass});
// determine the main method using reflection
// verify that it is public static void and takes
// String[] as the only argument
Method mainMethod = null;
try {
mainMethod = mainClass.getMethod("main", new Class[] {String[].class});
} catch (NoSuchMethodException msme) {
_logger.log(Level.SEVERE, "enterprise_util.excep_in_utility", msme);
throw new ClassNotFoundException(err);
}
// check modifiers: public static
int modifiers = mainMethod.getModifiers();
if (!Modifier.isPublic(modifiers) || !Modifier.isStatic(modifiers)) {
err =
localStrings.getLocalString(
"utility.main.notpublicorstatic",
"The main method is either not public or not static");
_logger.log(Level.SEVERE, "enterprise_util.excep_in_utility_main.notpublicorstatic");
throw new ClassNotFoundException(err);
}
// check return type and exceptions
if (!mainMethod.getReturnType().equals(Void.TYPE)) {
err =
localStrings.getLocalString(
"utility.main.notvoid", "The main method's return type is not void ");
_logger.log(Level.SEVERE, "enterprise_util.excep_in_utility_main.notvoid");
throw new ClassNotFoundException(err);
}
// build args to the main and call it
Object params[] = new Object[1];
params[0] = args;
mainMethod.invoke(null, params);
}
public boolean handleCommand(String line, PrintWriter out) {
String[] split = line.split("[\t ]");
String commandName = split[0];
try {
Method[] methods = exportedInterface.getMethods();
for (Method method : methods) {
if (method.getName().equals(commandName) && method.getReturnType() == void.class) {
return invokeMethod(line, out, method, split);
}
}
throw new NoSuchMethodException();
} catch (NoSuchMethodException nsmex) {
out.println(fullName + ": didn't understand request \"" + line + "\".");
} catch (Exception ex) {
Log.warn(fullName + ": exception thrown while handling command \"" + line + "\".", ex);
out.println(fullName + ": request denied \"" + line + "\" (" + ex.toString() + ").");
} finally {
out.flush();
out.close();
}
return false;
}
