org.apache.logging.log4j.core.util

Class TypeUtil

java.lang.Object

org.apache.logging.log4j.core.util.TypeUtil

public final class TypeUtil
extends java.lang.Object

Utility class for working with Java Types and derivatives. This class is adapted heavily from the Spring Framework, specifically the TypeUtils class.

Since:

2.1

See Also:

Type, GenericArrayType, ParameterizedType, WildcardType, Class

Constructor Summary

Constructors

Modifier	Constructor and Description
private	TypeUtil()

Method Summary

Modifier and Type	Method and Description
static java.util.List<java.lang.reflect.Field>	getAllDeclaredFields(java.lang.Class<?> cls) Gets all declared fields for the given class (including superclasses).
private static java.lang.reflect.Type[]	getEffectiveLowerBounds(java.lang.reflect.WildcardType type)
private static java.lang.reflect.Type[]	getEffectiveUpperBounds(java.lang.reflect.WildcardType type)
static boolean	isAssignable(java.lang.reflect.Type lhs, java.lang.reflect.Type rhs) Indicates if two Types are assignment compatible.
private static boolean	isBoundAssignable(java.lang.reflect.Type lhs, java.lang.reflect.Type rhs)
private static boolean	isParameterizedAssignable(java.lang.reflect.ParameterizedType lhs, java.lang.reflect.ParameterizedType rhs)
private static boolean	isWildcardAssignable(java.lang.reflect.WildcardType lhs, java.lang.reflect.Type rhs)

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeUtil

private TypeUtil()

Method Detail

getAllDeclaredFields

public static java.util.List<java.lang.reflect.Field> getAllDeclaredFields(java.lang.Class<?> cls)

Gets all declared fields for the given class (including superclasses).

Parameters:

cls - the class to examine

Returns:

all declared fields for the given class (including superclasses).

See Also:

Class.getDeclaredFields()

isAssignable

public static boolean isAssignable(java.lang.reflect.Type lhs,
                                   java.lang.reflect.Type rhs)

Indicates if two Types are assignment compatible.

Parameters:

lhs - the left hand side to check assignability to

rhs - the right hand side to check assignability from

Returns:

true if it is legal to assign a variable of type rhs to a variable of type lhs

See Also:

Class.isAssignableFrom(Class)

isParameterizedAssignable

private static boolean isParameterizedAssignable(java.lang.reflect.ParameterizedType lhs,
                                                 java.lang.reflect.ParameterizedType rhs)

isWildcardAssignable

private static boolean isWildcardAssignable(java.lang.reflect.WildcardType lhs,
                                            java.lang.reflect.Type rhs)

getEffectiveUpperBounds

private static java.lang.reflect.Type[] getEffectiveUpperBounds(java.lang.reflect.WildcardType type)

getEffectiveLowerBounds

private static java.lang.reflect.Type[] getEffectiveLowerBounds(java.lang.reflect.WildcardType type)

isBoundAssignable

private static boolean isBoundAssignable(java.lang.reflect.Type lhs,
                                         java.lang.reflect.Type rhs)