org.exoplatform.commons.reflect
Class AnnotationIntrospector

java.lang.Object
  org.exoplatform.commons.reflect.AnnotationIntrospector

public class AnnotationIntrospector
extends java.lang.Object

Various utils for performing runtime introspection on annotations.

Version:

$Revision$

Author:

Julien Viet

Constructor Summary

AnnotationIntrospector()

Method Summary

static <A extends java.lang.annotation.Annotation> A	resolveClassAnnotations(java.lang.Class<?> clazz, java.lang.Class<A> classAnnotation) Resolve an annotation of the specified class and its inheritance hierarchy.
static <A extends java.lang.annotation.Annotation> java.util.Map<java.lang.reflect.Method,A>	resolveMethodAnnotations(java.lang.Class<?> clazz, java.lang.Class<A> methodAnnotation)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AnnotationIntrospector

public AnnotationIntrospector()

Method Detail

resolveClassAnnotations

public static <A extends java.lang.annotation.Annotation> A resolveClassAnnotations(java.lang.Class<?> clazz,
                                                                                    java.lang.Class<A> classAnnotation)
                                                                         throws java.lang.NullPointerException

Resolve an annotation of the specified class and its inheritance hierarchy. If no such annotation cannot be resolved then null is returned.

Type Parameters:

A - the annotation class

Parameters:

clazz - the examined class

classAnnotation - the annotation to lookup

Returns:

the annotation

Throws:

java.lang.NullPointerException - if any argument is null

resolveMethodAnnotations

public static <A extends java.lang.annotation.Annotation> java.util.Map<java.lang.reflect.Method,A> resolveMethodAnnotations(java.lang.Class<?> clazz,
                                                                                                                             java.lang.Class<A> methodAnnotation)