Package org.apache.logging.log4j.plugins.util

Class TypeUtil

java.lang.Object

org.apache.logging.log4j.plugins.util.TypeUtil

public final class TypeUtil
extends 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

Method Summary

Modifier and Type	Method	Description
static <T> Class<T>	getRawType(Type type)	Extracts the raw type equivalent of a given type.
static Class<?>	getReferenceType(Class<?> clazz)	Returns the reference type for a class.
static Type	getSuperclassTypeParameter(Class<?> type)
static boolean	isAssignable(Type lhs, Type rhs)	Indicates if two Types are assignment compatible.
static boolean	isEqual(Type first, Type second)

Methods inherited from class java.lang.Object

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

Method Details

isAssignable

public static boolean isAssignable(Type lhs,
 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)

getRawType

public static <T> Class<T> getRawType(Type type)

Extracts the raw type equivalent of a given type.

getReferenceType

public static Class<?> getReferenceType(Class<?> clazz)

Returns the reference type for a class. For primitives, this is their boxed equivalent. For other types, this is the class unchanged.

getSuperclassTypeParameter

public static Type getSuperclassTypeParameter(Class<?> type)

isEqual

public static boolean isEqual(Type first,
 Type second)