nova.core.util

Class ReflectionUtil

java.lang.Object

nova.core.util.ReflectionUtil

public class ReflectionUtil
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ReflectionUtil.ReflectionException

Method Summary

Modifier and Type	Method and Description
static <T> java.util.Optional<java.lang.reflect.Constructor<T>>	findMatchingConstructor(java.lang.Class<T> clazz, java.lang.Class<?>... parameterTypes)
static <T extends java.lang.annotation.Annotation> void	forEachAnnotatedField(java.lang.Class<? extends T> annotation, java.lang.Class<?> clazz, java.util.function.BiConsumer<java.lang.reflect.Field,T> action) Invokes an action on each field annotated with specified annotation of given object
static <T extends java.lang.annotation.Annotation> void	forEachRecursiveAnnotatedField(java.lang.Class<T> annotation, java.lang.Class<?> clazz, java.util.function.BiConsumer<java.lang.reflect.Field,T> action)
static <T extends java.lang.annotation.Annotation> java.util.Map<java.lang.reflect.Field,T>	getAnnotatedFields(java.lang.Class<T> annotation, java.lang.Class<?> clazz) Gets all the annotated fields of this class, including all the parents classes in the order of hierarchy.
static <T> T	newInstance(java.lang.Class<T> clazz, java.lang.Object... args)
static <T> T	newInstanceMatching(java.lang.Class<T> clazz, java.lang.Object... args)

Methods inherited from class java.lang.Object

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

Method Detail

findMatchingConstructor

public static <T> java.util.Optional<java.lang.reflect.Constructor<T>> findMatchingConstructor(java.lang.Class<T> clazz,
                                                                                               java.lang.Class<?>... parameterTypes)

newInstanceMatching

public static <T> T newInstanceMatching(java.lang.Class<T> clazz,
                                        java.lang.Object... args)

newInstance

public static <T> T newInstance(java.lang.Class<T> clazz,
                                java.lang.Object... args)

forEachAnnotatedField

public static <T extends java.lang.annotation.Annotation> void forEachAnnotatedField(java.lang.Class<? extends T> annotation,
                                                                                     java.lang.Class<?> clazz,
                                                                                     java.util.function.BiConsumer<java.lang.reflect.Field,T> action)

Invokes an action on each field annotated with specified annotation of given object

Type Parameters:

T - Annotation type

Parameters:

annotation - Annotation type

clazz - Class to scan

action - Action to invoke

getAnnotatedFields

public static <T extends java.lang.annotation.Annotation> java.util.Map<java.lang.reflect.Field,T> getAnnotatedFields(java.lang.Class<T> annotation,
                                                                                                                      java.lang.Class<?> clazz)

Gets all the annotated fields of this class, including all the parents classes in the order of hierarchy.

Type Parameters:

T - The annotation type

Parameters:

annotation - Your annotation class.

clazz - Class to search through.

Returns:

An ordered map of annotated fields and their annotations from the order of the most sub class to the most super class.

forEachRecursiveAnnotatedField

public static <T extends java.lang.annotation.Annotation> void forEachRecursiveAnnotatedField(java.lang.Class<T> annotation,
                                                                                              java.lang.Class<?> clazz,
                                                                                              java.util.function.BiConsumer<java.lang.reflect.Field,T> action)