private void validateInterceptor(Interceptor<?> interceptor) {
Set<Annotation> bindings = interceptor.getInterceptorBindings();
if (bindings == null) {
throw InterceptorLogger.LOG.nullInterceptorBindings(interceptor);
}
for (Annotation annotation : bindings) {
if (!getBeanManager().isInterceptorBinding(annotation.annotationType())) {
throw MetadataLogger.LOG.notAnInterceptorBinding(annotation, interceptor);
}
}
}
protected Object invokeNext(InvocationContext invocationContext) throws Exception {
int oldCurrentPosition = currentPosition;
try {
InterceptorMethodInvocation nextInterceptorMethodInvocation =
interceptorMethodInvocations.get(currentPosition++);
InterceptorLogger.LOG.invokingNextInterceptorInChain(
nextInterceptorMethodInvocation.toString());
if (nextInterceptorMethodInvocation.expectsInvocationContext()) {
return nextInterceptorMethodInvocation.invoke(invocationContext);
} else {
nextInterceptorMethodInvocation.invoke(null);
while (hasNextInterceptor()) {
nextInterceptorMethodInvocation = interceptorMethodInvocations.get(currentPosition++);
nextInterceptorMethodInvocation.invoke(null);
}
return null;
}
} finally {
currentPosition = oldCurrentPosition;
}
}