Package net.engio.mbassy.common

Class ReflectionUtils

  • public class ReflectionUtils
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      ReflectionUtils()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void collectInterfaces​(java.lang.Class from, java.util.Collection<java.lang.Class> accumulator)  
      static boolean containsOverridingMethod​(java.lang.reflect.Method[] allMethods, java.lang.reflect.Method methodToCheck)  
      static <A extends java.lang.annotation.Annotation>
      A      		 getAnnotation​(java.lang.reflect.AnnotatedElement from, java.lang.Class<A> annotationType)  
      private static <A extends java.lang.annotation.Annotation>
      A      		 getAnnotation​(java.lang.reflect.AnnotatedElement from, java.lang.Class<A> annotationType, java.util.Set<java.lang.reflect.AnnotatedElement> visited)
      Searches for an Annotation of the given type on the class.
      static java.lang.reflect.Method[] getMethods​(IPredicate<java.lang.reflect.Method> condition, java.lang.Class<?> target)  
      static void getMethods​(IPredicate<java.lang.reflect.Method> condition, java.lang.Class<?> target, java.util.ArrayList<java.lang.reflect.Method> methods)  
      static java.lang.reflect.Method getOverridingMethod​(java.lang.reflect.Method overridingMethod, java.lang.Class subclass)
      Traverses the class hierarchy upwards, starting at the given subclass, looking for an override of the given methods -> finds the bottom most override of the given method if any exists
      static java.lang.Class[] getSuperTypes​(java.lang.Class from)
      Collect all directly and indirectly related super types (classes and interfaces) of a given class.
      private static boolean isOverriddenBy​(java.lang.reflect.Method superclassMethod, java.lang.reflect.Method subclassMethod)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • ReflectionUtils

        public ReflectionUtils()

    • Method Detail

      • getMethods

        public static java.lang.reflect.Method[] getMethods​(IPredicate<java.lang.reflect.Method> condition,
                                                    java.lang.Class<?> target)

      • getMethods

        public static void getMethods​(IPredicate<java.lang.reflect.Method> condition,
                              java.lang.Class<?> target,
                              java.util.ArrayList<java.lang.reflect.Method> methods)

      • getOverridingMethod

        public static java.lang.reflect.Method getOverridingMethod​(java.lang.reflect.Method overridingMethod,
                                                           java.lang.Class subclass)
        Traverses the class hierarchy upwards, starting at the given subclass, looking for an override of the given methods -> finds the bottom most override of the given method if any exists
        Parameters:
        overridingMethod -
        subclass -

      • getSuperTypes

        public static java.lang.Class[] getSuperTypes​(java.lang.Class from)
        Collect all directly and indirectly related super types (classes and interfaces) of a given class.
        Parameters:
        from - The root class to start with
        Returns:
        A set of classes, each representing a super type of the root class

      • collectInterfaces

        public static void collectInterfaces​(java.lang.Class from,
                                     java.util.Collection<java.lang.Class> accumulator)

      • containsOverridingMethod

        public static boolean containsOverridingMethod​(java.lang.reflect.Method[] allMethods,
                                               java.lang.reflect.Method methodToCheck)

      • getAnnotation

        private static <A extends java.lang.annotation.Annotation> A getAnnotation​(java.lang.reflect.AnnotatedElement from,
                                                                           java.lang.Class<A> annotationType,
                                                                           java.util.Set<java.lang.reflect.AnnotatedElement> visited)
        Searches for an Annotation of the given type on the class. Supports meta annotations.
        Type Parameters:
        A - Class of annotation type
        Parameters:
        from - AnnotatedElement (class, method...)
        annotationType - Annotation class to look for.
        Returns:
        Annotation instance or null

      • getAnnotation

        public static <A extends java.lang.annotation.Annotation> A getAnnotation​(java.lang.reflect.AnnotatedElement from,
                                                                          java.lang.Class<A> annotationType)

      • isOverriddenBy

        private static boolean isOverriddenBy​(java.lang.reflect.Method superclassMethod,
                                      java.lang.reflect.Method subclassMethod)