com.google.gson.reflect
Class TypeToken<T>

java.lang.Object
  com.google.gson.reflect.TypeToken<T>

public abstract class TypeToken<T>
extends java.lang.Object

Represents a generic type T. You can use this class to get the generic type for a class. For example, to get the generic type for Collection<Foo>, you can use:

Type typeOfCollectionOfFoo = new TypeToken<Collection<Foo>>(){}.getType()

Assumes Type implements equals() and hashCode() as a value (as opposed to identity) comparison. Also implements isAssignableFrom(Type) to check type-safe assignability.

Author:

Bob Lee, Sven Mawson

Method Summary

boolean	equals(java.lang.Object o) Method to test equality.
static <T> TypeToken<T>	get(java.lang.Class<T> type) Gets type token for the given Class instance.
static TypeToken<?>	get(java.lang.reflect.Type type) Gets type token for the given Type instance.
java.lang.Class<? super T>	getRawType() Gets the raw type.
java.lang.reflect.Type	getType() Gets underlying Type instance.
int	hashCode() Hashcode for this object.
boolean	isAssignableFrom(java.lang.Class<?> cls) Check if this type is assignable from the given class object.
boolean	isAssignableFrom(java.lang.reflect.Type from) Check if this type is assignable from the given Type.
boolean	isAssignableFrom(TypeToken<?> token) Check if this type is assignable from the given type token.
java.lang.String	toString() Returns a string representation of this object.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

getRawType

public java.lang.Class<? super T> getRawType()

Gets the raw type.

getType

public java.lang.reflect.Type getType()

Gets underlying Type instance.

isAssignableFrom

public boolean isAssignableFrom(java.lang.Class<?> cls)

Check if this type is assignable from the given class object.

isAssignableFrom

public boolean isAssignableFrom(java.lang.reflect.Type from)

Check if this type is assignable from the given Type.

isAssignableFrom

public boolean isAssignableFrom(TypeToken<?> token)

Check if this type is assignable from the given type token.

hashCode

public int hashCode()

Hashcode for this object.

Overrides:

hashCode in class java.lang.Object

Returns:

hashcode for this object.

equals

public boolean equals(java.lang.Object o)

Method to test equality.

Overrides:

equals in class java.lang.Object

Returns:

true if this object is logically equal to the specified object, false otherwise.

toString

public java.lang.String toString()

Returns a string representation of this object.

Overrides:

toString in class java.lang.Object

Returns:

a string representation of this object.

get

public static TypeToken<?> get(java.lang.reflect.Type type)

Gets type token for the given Type instance.

get

public static <T> TypeToken<T> get(java.lang.Class<T> type)

Gets type token for the given Class instance.