Method rewrapType

java/dagger/internal/codegen/DaggerTypes.java:125–136

Returns type's single type argument wrapped in wrappingClass. For example, if type is List and wrappingClass is Set.class, this will return Set . If type has no type parameters, returns a TypeMirror for {@

(TypeMirror type, Class<?> wrappingClass)

   * @throws IllegalArgumentException if {@code} has more than one type argument.
   */
  DeclaredType rewrapType(TypeMirror type, Class<?> wrappingClass) {
    List<? extends TypeMirror> typeArguments = MoreTypes.asDeclared(type).getTypeArguments();
    TypeElement wrappingType = elements.getTypeElement(wrappingClass.getCanonicalName());
    switch (typeArguments.size()) {
      case 0:
        return types.getDeclaredType(wrappingType);
      case 1:
        return types.getDeclaredType(wrappingType, getOnlyElement(typeArguments));
      default:
        throw new IllegalArgumentException(type + " has more than 1 type argument");
    }
  }

  /** Returns a {@link TypeMirror} for the binding that is accessible to the component. */
  protected final TypeMirror accessibleType(TypeMirror type, ClassName requestingClass) {