org.sonatype.guice.bean.reflect
Class TypeParameters

java.lang.Object
  org.sonatype.guice.bean.reflect.TypeParameters

public final class TypeParameters
extends java.lang.Object

Utility methods for dealing with generic type parameters.

Method Summary

static com.google.inject.TypeLiteral<?>[]	get(com.google.inject.TypeLiteral<?> genericType) Get all type parameters from a generic type, for example [Foo,Bar] from Map<Foo,Bar>.
static com.google.inject.TypeLiteral<?>	get(com.google.inject.TypeLiteral<?> genericType, int index) Get an indexed type parameter from a generic type, for example Bar from Map<Foo,Bar>.

Methods inherited from class java.lang.Object

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

Method Detail

get

public static com.google.inject.TypeLiteral<?>[] get(com.google.inject.TypeLiteral<?> genericType)

Get all type parameters from a generic type, for example [Foo,Bar] from Map<Foo,Bar>.

Parameters:

genericType - The generic type

Returns:

Array of type parameters

get

public static com.google.inject.TypeLiteral<?> get(com.google.inject.TypeLiteral<?> genericType,
                                                   int index)

Get an indexed type parameter from a generic type, for example Bar from Map<Foo,Bar>.

Parameters:

genericType - The generic type

index - The parameter index

Returns:

Indexed type parameter; TypeLiteral<Object> if the given type is a raw class