Add annotation inspection method

core/src/main/java/com/holonplatform/core/internal/utils/AnnotationUtils.java

@@ -120,6 +120,32 @@ public static Class<?> getClassWithAnnotation(Class<?> cls, Class<? extends Anno
 		return null;
 	}
 
+	/**
+	 * Get whether the class is annotated with given <code>annotation</code>, checking any superclass and implemented
+	 * interface.
+	 * @param cls Class to inspect (not null)
+	 * @param annotation Annotation to look for (not null)
+	 * @return whether the class is annotated with given <code>annotation</code>
+	 */
+	public static boolean hasAnnotation(Class<?> cls, Class<? extends Annotation> annotation) {
+		ObjectUtils.argumentNotNull(cls, "Class must be not null");
+		ObjectUtils.argumentNotNull(annotation, "Annotation must be not null");
+
+		if (cls.isAnnotationPresent(annotation)) {
+			return true;
+		}
+		for (Class<?> intf : cls.getInterfaces()) {
+			if (intf.isAnnotationPresent(annotation)) {
+				return true;
+			}
+		}
+		Class<?> superClass = cls.getSuperclass();
+		if (superClass != null && superClass != Object.class) {
+			return hasAnnotation(superClass, annotation);
+		}
+		return false;
+	}
+
 	/**
 	 * Get a single annotation of given <code>annotationType</code> present in given <code>element</code>, including any
 	 * meta-annotation and supporting repeatable annotations.