Top Description Fields Constructors Methods

org.eclipse.collections.impl.utility.internal

public final Class ReflectionHelper

Class Inheritance

extends Object

java.lang.Object
org.eclipse.collections.impl.utility.internal.ReflectionHelper

Imports

java.lang.reflect.Constructor, .InvocationTargetException, .Modifier, org.eclipse.collections.api.map.ImmutableMap, org.eclipse.collections.impl.map.mutable.UnifiedMap, org.eclipse.collections.impl.tuple.Tuples, org.eclipse.collections.impl.utility.MapIterate

A utility/helper class for working with Classes and Reflection.

Field Summary

Modifier and Type	Field and Description
public static final Class<T>[]	EMPTY_CLASS_ARRAY Deprecated in 2.0. Will become private in a future version.
private static final ImmutableMap<Class<?>, Class<?>>	PRIMATIVES_TO_WRAPPERS
private static final ImmutableMap<Class<?>, Class<?>>	WRAPPER_TO_PRIMATIVES Mapping of iterator wrapper classes to iterator types

Constructor Summary

Access	Constructor and Description
private	ReflectionHelper()

Method Summary

Modifier and Type	Method and Description
public static <T> Constructor<T>	getConstructor(Class<T> instantiable, Class<?>... constructorParameterTypes)
public static boolean	hasDefaultConstructor(Class<?> aClass)
public static <T> T	newInstance(Constructor<T> constructor, Object... constructorArguments)
public static <T> T	newInstance(Class<T> aClass) This method may return null if the call to create a newInstance() fails.
public static boolean	parameterTypesMatch(Class<?>[] candidateParamTypes, Class<?>... desiredParameterTypes)
private static <T> Constructor<T>	searchForConstructor(Class<T> instantiable, Class<?>... constructorParameterTypes)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

EMPTY_CLASS_ARRAY	back to summary
public static final Class<T>[] EMPTY_CLASS_ARRAY Deprecated in 2.0. Will become private in a future version. Annotations @SuppressWarnings:rawtypes @Deprecated

PRIMATIVES_TO_WRAPPERS	back to summary
private static final ImmutableMap<Class<?>, Class<?>> PRIMATIVES_TO_WRAPPERS

WRAPPER_TO_PRIMATIVES	back to summary
private static final ImmutableMap<Class<?>, Class<?>> WRAPPER_TO_PRIMATIVES Mapping of iterator wrapper classes to iterator types

Constructor Detail

ReflectionHelper	back to summary
private ReflectionHelper()

Method Detail

getConstructor	back to summary
public static <T> Constructor<T> getConstructor(Class<T> instantiable, Class<?>... constructorParameterTypes)

hasDefaultConstructor	back to summary
public static boolean hasDefaultConstructor(Class<?> aClass)

newInstance	back to summary
public static <T> T newInstance(Constructor<T> constructor, Object... constructorArguments)

newInstance	back to summary
public static <T> T newInstance(Class<T> aClass) This method may return null if the call to create a newInstance() fails.

parameterTypesMatch	back to summary
public static boolean parameterTypesMatch(Class<?>[] candidateParamTypes, Class<?>... desiredParameterTypes)

searchForConstructor	back to summary
private static <T> Constructor<T> searchForConstructor(Class<T> instantiable, Class<?>... constructorParameterTypes)