Method getArraySupertype

output/java_guava/1.4.19/TypeToken.java:1139–1152

(Class<? super T> supertype)

  private TypeToken<? super T> getArraySupertype(Class<? super T> supertype) {
    // with component type, we have lost generic type information
    // Use raw type so that compiler allows us to call getSupertype()
    @SuppressWarnings("rawtypes")
    TypeToken componentType = checkNotNull(getComponentType(), "%s isn't a super type of %s", supertype, this);
    // array is covariant. component type is super type, so is the array type.
    @SuppressWarnings("unchecked") // going from raw type back to generics
    TypeToken<?> componentSupertype = componentType.getSupertype(supertype.getComponentType());
    @SuppressWarnings("unchecked") // component type is super type, so is array type.
    TypeToken<? super T> result = (TypeToken<? super T>)
            // If we are passed with int[].class, don't turn it to GenericArrayType
of(newArrayClassOrGenericArrayType(componentSupertype.runtimeType));
    return result;
  }


  private TypeToken<? extends T> getArraySubtype(Class<?> subclass) {