Method checkTypePresent

java/dagger/internal/codegen/DaggerTypes.java:154–176

Throws TypeNotPresentException if type is an javax.lang.model.type.ErrorType.

(TypeMirror type)

   * javax.lang.model.type.ErrorType}.
   */
  static void checkTypePresent(TypeMirror type) {
    type.accept(
        // TODO(ronshapiro): Extract a base class that visits all components of a complex type
        // and put it in auto.common
        new SimpleTypeVisitor8<Void, Void>() {
          @Override
          public Void visitArray(ArrayType arrayType, Void p) {
            return arrayType.getComponentType().accept(this, p);
          }

          @Override
          public Void visitDeclared(DeclaredType declaredType, Void p) {
            declaredType.getTypeArguments().forEach(t -> t.accept(this, p));
            return null;
          }

          @Override
          public Void visitError(ErrorType errorType, Void p) {
            throw new TypeNotPresentException(type.toString(), null);
          }
        },
        null);
  }

  private static final ImmutableSet<Class<?>> FUTURE_TYPES =
      ImmutableSet.of(ListenableFuture.class, FluentFuture.class);