Package org.joda.convert

Class Types

java.lang.Object

org.joda.convert.Types

final class Types
extends Object

Utilities for working with Type.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static enum	Types.ClassOwnership	Decides what owner type to use for constructing ParameterizedType from a raw class.
private static final class	Types.GenericArrayTypeImpl
(package private) static enum	Types.JavaVersion
(package private) static final class	Types.NativeTypeVariableEquals<X>	Per issue 1635, In JDK 1.7.0_51-b13, TypeVariableImpl#equals(Object) is changed to no longer be equal to custom TypeVariable implementations.
private static final class	Types.ParameterizedTypeImpl
private static final class	Types.TypeVariableImpl<D extends GenericDeclaration>
private static final class	Types.TypeVariableInvocationHandler	Invocation handler to work around a compatibility problem between Java 7 and Java 8.
private static class	Types.TypeVisitor	Visitor pattern to evaluate Type.
(package private) static final class	Types.WildcardTypeImpl

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Types()

Method Summary

Modifier and Type	Method	Description
private static void	checkArgument(boolean expression)
private static void	checkArgument(boolean expression, Object errorMessage)
(package private) static void	checkArgument(boolean expression, String errorMessageTemplate, Object... errorMessageArgs)
private static <T> T	checkNotNull(T reference)
private static void	disallowPrimitiveType(Type[] types, String usedAs)
private static boolean	equal(Object obj1, Object obj2)
private static List<Type>	filterUpperBounds(List<Type> bounds)
private static String	format(String template, Object... args)
(package private) static Class<?>	getArrayClass(Class<?> componentType)	Returns the Class object of arrays with componentType.
(package private) static Type	getComponentType(Type type)
(package private) static Type	newArrayType(Type componentType)	Returns the array type of componentType.
(package private) static <D extends GenericDeclaration> TypeVariable<D>	newArtificialTypeVariable(D declaration, String name, Type... bounds)	Returns a new TypeVariable that belongs to declaration with name and bounds.
(package private) static ParameterizedType	newParameterizedType(Class<?> rawType, Type... arguments)	Returns a type where rawType is parameterized by arguments.
(package private) static ParameterizedType	newParameterizedTypeWithOwner(Type ownerType, Class<?> rawType, Type... arguments)	Returns a type where rawType is parameterized by arguments and is owned by ownerType.
private static <T> T	newProxy(Class<T> interfaceType, InvocationHandler handler)
private static <D extends GenericDeclaration> TypeVariable<D>	newTypeVariableImpl(D genericDeclaration, String name, Type[] bounds)
(package private) static WildcardType	subtypeOf(Type upperBound)	Returns a new WildcardType with upperBound.
private static Type	subtypeOfComponentType(Type[] bounds)	Returns ? extends X if any of bounds is a subtype of X[]; or null otherwise.
(package private) static WildcardType	supertypeOf(Type lowerBound)	Returns a new WildcardType with lowerBound.
private static Type[]	toArray(Collection<Type> types)
(package private) static String	toString(Type type)	Returns human readable string representation of type.

Methods inherited from class java.lang.Object

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

Constructor Details

Types

private Types()

Method Details

newArrayType

static Type newArrayType(Type componentType)

Returns the array type of componentType.

newParameterizedTypeWithOwner

static ParameterizedType newParameterizedTypeWithOwner(Type ownerType,
 Class<?> rawType,
 Type... arguments)

Returns a type where rawType is parameterized by arguments and is owned by ownerType.

newParameterizedType

static ParameterizedType newParameterizedType(Class<?> rawType,
 Type... arguments)

Returns a type where rawType is parameterized by arguments.

newArtificialTypeVariable

static <D extends GenericDeclaration>
TypeVariable<D> newArtificialTypeVariable(D declaration,
 String name,
 Type... bounds)

Returns a new TypeVariable that belongs to declaration with name and bounds.

subtypeOf

static WildcardType subtypeOf(Type upperBound)

Returns a new WildcardType with upperBound.

supertypeOf

static WildcardType supertypeOf(Type lowerBound)

Returns a new WildcardType with lowerBound.

toString

static String toString(Type type)

Returns human readable string representation of type.

• For array type Foo[], "com.mypackage.Foo[]" are returned.
• For any class, theClass.getName() are returned.
• For all other types, type.toString() are returned.

getComponentType

static Type getComponentType(Type type)

subtypeOfComponentType

private static Type subtypeOfComponentType(Type[] bounds)

Returns ? extends X if any of bounds is a subtype of X[]; or null otherwise.

newTypeVariableImpl

private static <D extends GenericDeclaration>
TypeVariable<D> newTypeVariableImpl(D genericDeclaration,
 String name,
 Type[] bounds)

newProxy

private static <T> T newProxy(Class<T> interfaceType,
 InvocationHandler handler)

toArray

private static Type[] toArray(Collection<Type> types)

filterUpperBounds

private static List<Type> filterUpperBounds(List<Type> bounds)

disallowPrimitiveType

private static void disallowPrimitiveType(Type[] types,
 String usedAs)

getArrayClass

static Class<?> getArrayClass(Class<?> componentType)

Returns the Class object of arrays with componentType.

checkNotNull

private static <T> T checkNotNull(T reference)

checkArgument

private static void checkArgument(boolean expression)

checkArgument

private static void checkArgument(boolean expression,
 Object errorMessage)

checkArgument

static void checkArgument(boolean expression,
 String errorMessageTemplate,
 Object... errorMessageArgs)

format

private static String format(String template,
 Object... args)

equal

private static boolean equal(Object obj1,
 Object obj2)