java类java.lang.reflect.AnnotatedArrayType的实例源码

private void verifyArrayFieldTypeAnnotations(Class c)
    throws NoSuchFieldException, NoSuchMethodException {

    Annotation anno;
    AnnotatedType at;

    at = c.getDeclaredField("typeAnnotatedArray").getAnnotatedType();
    anno = at.getAnnotations()[0];
    verifyTestAnn(arrayTA[0], anno, "array1");
    arrayTA[0] = anno;

    for (int i = 1; i <= 3; i++) {
        at = ((AnnotatedArrayType) at).getAnnotatedGenericComponentType();
        anno = at.getAnnotations()[0];
        verifyTestAnn(arrayTA[i], anno, "array" + (i + 1));
        arrayTA[i] = anno;
    }
}

private void verifyArrayFieldTypeAnnotations(Class c)
    throws NoSuchFieldException, NoSuchMethodException {

    Annotation anno;
    AnnotatedType at;

    at = c.getDeclaredField("typeAnnotatedArray").getAnnotatedType();
    anno = at.getAnnotations()[0];
    verifyTestAnn(arrayTA[0], anno, "array1");
    arrayTA[0] = anno;

    for (int i = 1; i <= 3; i++) {
        at = ((AnnotatedArrayType) at).getAnnotatedGenericComponentType();
        anno = at.getAnnotations()[0];
        verifyTestAnn(arrayTA[i], anno, "array" + (i + 1));
        arrayTA[i] = anno;
    }
}

/** Create {@link JavaType} based on {@link AnnotatedType} instance. */
public static JavaType of(AnnotatedType annotatedType) {
  if (annotatedType instanceof AnnotatedArrayType) {
    return JavaTypes.of((AnnotatedArrayType) annotatedType);
  }
  if (annotatedType instanceof AnnotatedParameterizedType) {
    return JavaTypes.of((AnnotatedParameterizedType) annotatedType);
  }
  if (annotatedType instanceof AnnotatedTypeVariable) {
    return JavaTypes.of((AnnotatedTypeVariable) annotatedType);
  }
  if (annotatedType instanceof AnnotatedWildcardType) {
    return JavaTypes.of((AnnotatedWildcardType) annotatedType);
  }
  // default case: use underlying raw type
  JavaType result = of(annotatedType.getType());
  result.getAnnotations().addAll(Annotation.of(annotatedType.getAnnotations()));
  return result;
}

public static boolean containsTypeAnnotation(AnnotatedType type, Class<? extends Annotation> annotation) {
    if (type.isAnnotationPresent(annotation)) {
        return true;
    }
    if (type instanceof AnnotatedParameterizedType) {
        AnnotatedParameterizedType parameterizedType = ((AnnotatedParameterizedType) type);
        return Arrays.stream(parameterizedType.getAnnotatedActualTypeArguments())
                .anyMatch(param -> containsTypeAnnotation(param, annotation));
    }
    if (type instanceof AnnotatedTypeVariable) {
        AnnotatedTypeVariable variable = ((AnnotatedTypeVariable) type);
        return Arrays.stream(variable.getAnnotatedBounds())
                .anyMatch(bound -> containsTypeAnnotation(bound, annotation));
    }
    if (type instanceof AnnotatedWildcardType) {
        AnnotatedWildcardType wildcard = ((AnnotatedWildcardType) type);
        return Stream.concat(
                Arrays.stream(wildcard.getAnnotatedLowerBounds()),
                Arrays.stream(wildcard.getAnnotatedUpperBounds()))
                .anyMatch(param -> containsTypeAnnotation(param, annotation));
    }
    if (type instanceof AnnotatedArrayType) {
        return containsTypeAnnotation(((AnnotatedArrayType) type).getAnnotatedGenericComponentType(), annotation);
    }
    return false;
}

private void verifyArrayFieldTypeAnnotations(Class c)
    throws NoSuchFieldException, NoSuchMethodException {

    Annotation anno;
    AnnotatedType at;

    at = c.getDeclaredField("typeAnnotatedArray").getAnnotatedType();
    anno = at.getAnnotations()[0];
    verifyTestAnn(arrayTA[0], anno, "array1");
    arrayTA[0] = anno;

    for (int i = 1; i <= 3; i++) {
        at = ((AnnotatedArrayType) at).getAnnotatedGenericComponentType();
        anno = at.getAnnotations()[0];
        verifyTestAnn(arrayTA[i], anno, "array" + (i + 1));
        arrayTA[i] = anno;
    }
}

private void verifyArrayFieldTypeAnnotations(Class c)
    throws NoSuchFieldException, NoSuchMethodException {

    Annotation anno;
    AnnotatedType at;

    at = c.getDeclaredField("typeAnnotatedArray").getAnnotatedType();
    anno = at.getAnnotations()[0];
    verifyTestAnn(arrayTA[0], anno, "array1");
    arrayTA[0] = anno;

    for (int i = 1; i <= 3; i++) {
        at = ((AnnotatedArrayType) at).getAnnotatedGenericComponentType();
        anno = at.getAnnotations()[0];
        verifyTestAnn(arrayTA[i], anno, "array" + (i + 1));
        arrayTA[i] = anno;
    }
}

/** Create {@link JavaType} based on {@link AnnotatedArrayType} instance. */
static JavaType of(AnnotatedArrayType annotatedType) {
  List<ArrayDimension> dimensions = new ArrayList<>();
  AnnotatedType component = annotatedType;
  while (component instanceof AnnotatedArrayType) {
    ArrayDimension dimension = new ArrayDimension();
    stream(component.getAnnotations()).forEach(a -> dimension.addAnnotation(a));
    dimensions.add(dimension);
    component = ((AnnotatedArrayType) component).getAnnotatedGenericComponentType();
  }
  return ArrayType.of(JavaType.of(component), dimensions);
}

@Override
public AnnotatedType getSubstituteType(AnnotatedType original) {
    return TypeFactory.parameterizedAnnotatedClass(List.class, original.getAnnotations(),
            ((AnnotatedArrayType) original).getAnnotatedGenericComponentType());
}

@Override
public boolean supports(AnnotatedType type) {
    return type instanceof AnnotatedArrayType;
}

public static AnnotatedType unionize(AnnotatedType[] types) {
    Objects.requireNonNull(types);
    if (types.length < 2) {
        if (types.length == 1 && GenericTypeReflector.isSuperType(Union.class, types[0].getType())) {
            return types[0];
        }
        throw new IllegalArgumentException(SINGLE_TYPE_UNION_ERROR);
    }
    AnnotatedType t1 = types[0];
    if (stream(types).anyMatch(t -> t.isAnnotationPresent(GraphQLUnion.class))) {
        if (stream(types).allMatch(t -> t.isAnnotationPresent(GraphQLUnion.class) &&
                t.getAnnotation(GraphQLUnion.class).name().equals(t1.getAnnotation(GraphQLUnion.class).name()))) {
            return of(types);
        } else {
            throw new IllegalArgumentException("All union members must be explicitly annotated: " + Arrays.toString(types));
        }
    }
    if (stream(types).allMatch(t -> t instanceof AnnotatedParameterizedType)) {
        AnnotatedParameterizedType p1 = (AnnotatedParameterizedType) t1;
        AnnotatedParameterizedType[] pTypes = stream(types)
                .map(t -> (AnnotatedParameterizedType) t)
                .toArray(AnnotatedParameterizedType[]::new);
        AnnotatedType[] params = new AnnotatedType[p1.getAnnotatedActualTypeArguments().length];
        for (int i = 0; i < p1.getAnnotatedActualTypeArguments().length; i++) {
            final int j = i;
            params[i] = unionize(stream(pTypes)
                    .map(p -> p.getAnnotatedActualTypeArguments()[j])
                    .toArray(AnnotatedType[]::new));
        }
        Class<?> rawType = ((Class<?>) ((ParameterizedType) p1.getType()).getRawType());
        return TypeFactory.parameterizedAnnotatedClass(rawType, ClassUtils.getAllAnnotations(stream(types)), params);
    }
    if (stream(types).allMatch(t -> t instanceof AnnotatedArrayType)) {
        AnnotatedType[] components = stream(types)
                .map(type -> ((AnnotatedArrayType) type).getAnnotatedGenericComponentType())
                .toArray(AnnotatedType[]::new);
        return TypeFactory.arrayOf(unionize(components), ClassUtils.getAllAnnotations(stream(types)));
    }
    if (stream(types).allMatch(t -> types[0].getType().equals(t.getType()))) {
        return types[0];
    }
    throw new IllegalArgumentException("Types are incompatible and can not be unionized: ");
}

private static AnnotatedType getCommonSuperType(List<AnnotatedType> types, Set<String> seenTypeCombos, AnnotatedType fallback) {
    if (types == null || types.isEmpty()) {
        throw new IllegalArgumentException("At least one type must be provided");
    }
    if (types.size() == 1) {
        return types.get(0);
    }
    Annotation[] mergedAnnotations = getMergedAnnotations(types.toArray(new AnnotatedType[types.size()]));
    if (types.stream().map(AnnotatedType::getType).allMatch(type -> type.equals(types.get(0).getType()))) {
        return GenericTypeReflector.replaceAnnotations(types.get(0), mergedAnnotations);
    }
    List<Class<?>> classes = types.stream().map(AnnotatedType::getType).map(ClassUtils::getRawType).collect(Collectors.toList());
    String typeNames = types.stream().map(type -> type.getType().getTypeName()).sorted().collect(Collectors.joining(","));
    if (seenTypeCombos.contains(typeNames)) {
        return fallbackOrException(fallback);
    }
    seenTypeCombos.add(typeNames);

    //deal with arrays first as they are special
    if (types.stream().allMatch(type -> type instanceof AnnotatedArrayType)) {
        List<AnnotatedType> componentTypes = types.stream()
                .map(type -> ((AnnotatedArrayType) type).getAnnotatedGenericComponentType())
                .collect(Collectors.toList());
        AnnotatedType componentType = getCommonSuperType(componentTypes, seenTypeCombos, fallback);
        return TypeFactory.arrayOf(componentType, mergedAnnotations);
    }

    Class<?> commonRawSuperType = getCommonSuperTypes(classes).get(0);
    if (classes.stream().noneMatch(ROOT_TYPES::contains) && ROOT_TYPES.contains(commonRawSuperType)) {
        return fallbackOrException(fallback);
    }
    List<AnnotatedType> normalizedTypes = types.stream()
            .map(type -> GenericTypeReflector.getExactSuperType(type, commonRawSuperType))
            .collect(Collectors.toList());
    if (normalizedTypes.stream().anyMatch(type -> GenericTypeReflector.isMissingTypeParameters(type.getType()))) {
        throw new TypeMappingException("Automatic type inference failed because some of the types are missing generic type parameter(s).");
    }
    if (normalizedTypes.stream().allMatch(type -> type.getType() instanceof Class)) {
        return annotate(commonRawSuperType, mergedAnnotations);
    }
    if (normalizedTypes.stream().allMatch(type -> type instanceof AnnotatedParameterizedType)) {
        AnnotatedType[] parameters = Arrays.stream(commonRawSuperType.getTypeParameters())
                .map(param -> normalizedTypes.stream().map(type -> GenericTypeReflector.getTypeParameter(type, param)).collect(Collectors.toList()))
                .map(paramTypes -> getCommonSuperType(paramTypes, seenTypeCombos, fallback))
                .toArray(AnnotatedType[]::new);
        return TypeFactory.parameterizedAnnotatedClass(commonRawSuperType, mergedAnnotations, parameters);
    }
    return fallbackOrException(fallback);
}

public static <T> TypedClass<T> wrap(AnnotatedType ant)
{

  if (ant instanceof AnnotatedParameterizedType)
  {

    AnnotatedParameterizedType pant = (AnnotatedParameterizedType) ant;
    ParameterizedType pt = (ParameterizedType) ant.getType();
    return (TypedClass<T>) wrap(wrapSimple(pt.getRawType()), pant.getAnnotatedActualTypeArguments(), pt, ant.getAnnotations());
  }
  else if (ant instanceof AnnotatedArrayType)
  {

    AnnotatedArrayType aant = (AnnotatedArrayType) ant;

    TypedClass<?> ctype = wrap(aant.getAnnotatedGenericComponentType());

    return new TypedArrayClass<>(ctype, ant.getAnnotations());

  }

  return wrap(ant.getType(), ant.getDeclaredAnnotations());

}