public static <T> T getEvent(final Class<T> intrface) {
final Class<?>[] interfaces = new Class<?>[] {intrface};
final String eventId = NamingUtils.lowerFirst(intrface.getSimpleName());
final StructuredDataMessage msg = new StructuredDataMessage(eventId, null, "Audit");
final AuditEvent audit =
(AuditEvent)
Proxy.newProxyInstance(
intrface.getClassLoader(), interfaces, new AuditProxy(msg, intrface));
return (T) audit;
}
@Override
public Object invoke(final Object o, final Method method, final Object[] objects)
throws Throwable {
if (method.getName().equals("logEvent")) {
final StringBuilder missing = new StringBuilder();
final Method[] methods = intrface.getMethods();
for (final Method _method : methods) {
final String name =
NamingUtils.lowerFirst(NamingUtils.getMethodShortName(_method.getName()));
final Annotation[] annotations = _method.getDeclaredAnnotations();
for (final Annotation annotation : annotations) {
final Constraint constraint = (Constraint) annotation;
if (constraint.required() && msg.get(name) == null) {
if (missing.length() > 0) {
missing.append(", ");
}
missing.append(name);
}
}
}
if (missing.length() > 0) {
throw new IllegalStateException(
"Event " + msg.getId().getName() + " is missing required attributes " + missing);
}
EventLogger.logEvent(msg);
}
if (method.getName().equals("setCompletionStatus")) {
final String name =
NamingUtils.lowerFirst(NamingUtils.getMethodShortName(method.getName()));
msg.put(name, objects[0].toString());
}
if (method.getName().startsWith("set")) {
final String name =
NamingUtils.lowerFirst(NamingUtils.getMethodShortName(method.getName()));
/*
* Perform any validation here. Currently the catalog doesn't
* contain any information on validation rules.
*/
msg.put(name, objects[0].toString());
}
return null;
}