java.lang.Object
- com.google.common.reflect.Types

final class Types
extends java.lang.Object

Utilities for working with Type.

Nested Class Summary

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

Field Summary

Fields
Modifier and Type	Field	Description
`private static Joiner`	`COMMA_JOINER`
`private static Function<java.lang.reflect.Type,java.lang.String>`	`TYPE_NAME`	Class#toString without the "class " and "interface " prefixes

Constructor Summary

Constructors
Modifier Constructor Description

private Types()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`private static void`	`disallowPrimitiveType(java.lang.reflect.Type[] types, java.lang.String usedAs)`
`private static java.lang.Iterable<java.lang.reflect.Type>`	`filterUpperBounds(java.lang.Iterable<java.lang.reflect.Type> bounds)`
`(package private) static java.lang.Class<?>`	`getArrayClass(java.lang.Class<?> componentType)`	Returns the `Class` object of arrays with `componentType`.
`(package private) static java.lang.reflect.Type`	`getComponentType(java.lang.reflect.Type type)`
`(package private) static java.lang.reflect.Type`	`newArrayType(java.lang.reflect.Type componentType)`	Returns the array type of `componentType`.
`(package private) static <D extends java.lang.reflect.GenericDeclaration> java.lang.reflect.TypeVariable<D>`	`newArtificialTypeVariable(D declaration, java.lang.String name, java.lang.reflect.Type... bounds)`	Returns a new `TypeVariable` that belongs to `declaration` with `name` and `bounds`.
`(package private) static java.lang.reflect.ParameterizedType`	`newParameterizedType(java.lang.Class<?> rawType, java.lang.reflect.Type... arguments)`	Returns a type where `rawType` is parameterized by `arguments`.
`(package private) static java.lang.reflect.ParameterizedType`	`newParameterizedTypeWithOwner(java.lang.reflect.Type ownerType, java.lang.Class<?> rawType, java.lang.reflect.Type... arguments)`	Returns a type where `rawType` is parameterized by `arguments` and is owned by `ownerType`.
`private static <D extends java.lang.reflect.GenericDeclaration> java.lang.reflect.TypeVariable<D>`	`newTypeVariableImpl(D genericDeclaration, java.lang.String name, java.lang.reflect.Type[] bounds)`
`(package private) static java.lang.reflect.WildcardType`	`subtypeOf(java.lang.reflect.Type upperBound)`	Returns a new `WildcardType` with `upperBound`.
`private static java.lang.reflect.Type`	`subtypeOfComponentType(java.lang.reflect.Type[] bounds)`	Returns `? extends X` if any of `bounds` is a subtype of `X[]`; or null otherwise.
`(package private) static java.lang.reflect.WildcardType`	`supertypeOf(java.lang.reflect.Type lowerBound)`	Returns a new `WildcardType` with `lowerBound`.
`private static java.lang.reflect.Type[]`	`toArray(java.util.Collection<java.lang.reflect.Type> types)`
`(package private) static java.lang.String`	`toString(java.lang.reflect.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

Field Detail

TYPE_NAME

private static final Function<java.lang.reflect.Type,java.lang.String> TYPE_NAME

Class#toString without the "class " and "interface " prefixes

COMMA_JOINER

private static final Joiner COMMA_JOINER

Constructor Detail
- Types
```
private Types()
```

Method Detail

newArrayType

static java.lang.reflect.Type newArrayType(java.lang.reflect.Type componentType)

Returns the array type of componentType.

newParameterizedTypeWithOwner

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

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

newParameterizedType

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

Returns a type where rawType is parameterized by arguments.

newArtificialTypeVariable

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

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

subtypeOf

static java.lang.reflect.WildcardType subtypeOf(java.lang.reflect.Type upperBound)

Returns a new WildcardType with upperBound.

supertypeOf

static java.lang.reflect.WildcardType supertypeOf(java.lang.reflect.Type lowerBound)

Returns a new WildcardType with lowerBound.

toString
```
static java.lang.String toString(java.lang.reflect.Type type)
```
Returns human readable string representation of type.
The format is subject to change.

getComponentType

static java.lang.reflect.Type getComponentType(java.lang.reflect.Type type)

subtypeOfComponentType

private static java.lang.reflect.Type subtypeOfComponentType(java.lang.reflect.Type[] bounds)

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

newTypeVariableImpl

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

toArray

private static java.lang.reflect.Type[] toArray(java.util.Collection<java.lang.reflect.Type> types)

filterUpperBounds

private static java.lang.Iterable<java.lang.reflect.Type> filterUpperBounds(java.lang.Iterable<java.lang.reflect.Type> bounds)

disallowPrimitiveType

private static void disallowPrimitiveType(java.lang.reflect.Type[] types,
                                          java.lang.String usedAs)

getArrayClass

static java.lang.Class<?> getArrayClass(java.lang.Class<?> componentType)

Returns the Class object of arrays with componentType.

Class Types