Examples with MetadataType org.mule.metadata.api.model.MetadataType used on opensource projects

Example 26 with MetadataType

use of org.mule.metadata.api.model.MetadataType in project mule by mulesoft.

the class IntrospectionUtils method toDataType.

/**
 * Transforms a {@link MetadataType} and generates the correspondent {@link DataType}
 *
 * @param metadataType to introspect a create a {@link DataType} from it.
 * @return a {@link DataType} based on the given {@link MetadataType}
 */
public static DataType toDataType(MetadataType metadataType) {
    Class<?> type = getType(metadataType).orElse(null);
    if (type == null) {
        return DataType.fromType(Object.class);
    }
    Reference<DataType> dataType = new Reference<>();
    metadataType.accept(new MetadataTypeVisitor() {

        @Override
        protected void defaultVisit(MetadataType metadataType) {
            dataType.set(DataType.fromType(type));
        }

        @Override
        public void visitArrayType(ArrayType arrayType) {
            Class itemClass = getType(arrayType.getType()).get();
            if (Collection.class.isAssignableFrom(type)) {
                dataType.set(DataType.builder().collectionType((Class<? extends Collection>) type).itemType(itemClass).build());
            } else if (Iterator.class.isAssignableFrom(type)) {
                dataType.set(DataType.builder().streamType((Class<? extends Iterator>) type).itemType(itemClass).build());
            } else {
                defaultVisit(arrayType);
            }
        }

        @Override
        public void visitObject(ObjectType objectType) {
            if (Map.class.isAssignableFrom(type)) {
                dataType.set(DataType.builder().mapType((Class<? extends Map>) type).keyType(String.class).valueType(objectType.getOpenRestriction().map(restriction -> {
                    if (restriction.getAnnotation(TypedValueTypeAnnotation.class).isPresent()) {
                        return TypedValue.class;
                    }
                    return getType(restriction).get();
                }).orElse(Object.class)).build());
            } else {
                defaultVisit(objectType);
            }
        }
    });
    return dataType.get();
}

Example 27 with MetadataType

use of org.mule.metadata.api.model.MetadataType in project mule by mulesoft.

the class IntrospectionUtils method getMethodArgumentTypes.

/**
 * Returns an array of {@link MetadataType} representing each of the given {@link Method}'s argument types.
 *
 * @param method a not {@code null} {@link Method}
 * @param typeLoader a {@link ClassTypeLoader} to be used to create the returned {@link MetadataType}s
 * @return an array of {@link MetadataType} matching the method's arguments. If the method doesn't take any, then the array will
 *         be empty
 * @throws IllegalArgumentException is method is {@code null}
 */
public static MetadataType[] getMethodArgumentTypes(Method method, ClassTypeLoader typeLoader) {
    checkArgument(method != null, "Can't introspect a null method");
    Class<?>[] parameters = method.getParameterTypes();
    if (isEmpty(parameters)) {
        return new MetadataType[] {};
    }
    MetadataType[] types = new MetadataType[parameters.length];
    for (int i = 0; i < parameters.length; i++) {
        ResolvableType type = ResolvableType.forMethodParameter(method, i);
        types[i] = typeLoader.load(type.getType());
    }
    return types;
}

Example 28 with MetadataType

use of org.mule.metadata.api.model.MetadataType in project mule by mulesoft.

the class IntrospectionUtils method getMethodReturnAttributesType.

/**
 * Returns a {@link MetadataType} representing the {@link Result#getAttributes()} that will be set after executing the given
 * {@code method}.
 * <p>
 * If the {@code method} returns a {@link Result}, then it returns the type of the {@code Attributes} generic. In any other case
 * (including raw uses of {@link Result}) it will return a {@link VoidType}
 * <p>
 * If the {@code method} returns a collection or a {@link PagingProvider} of {@link Result}, then this will return
 * {@link VoidType} since the messages in the main output already contain an attributes for each item.
 *
 * @param method the {@link Method} being introspected
 * @return a {@link MetadataType}
 * @throws IllegalArgumentException is method is {@code null}
 */
public static MetadataType getMethodReturnAttributesType(MethodElement method) {
    Type returnType = method.getReturnType();
    Type attributesType = null;
    if (returnType.isAssignableTo(Result.class)) {
        List<TypeGeneric> generics = returnType.getGenerics();
        if (generics.size() == 2) {
            Type genericType = generics.get(1).getConcreteType();
            if (genericType != null) {
                if (genericType.isAnyType()) {
                    return typeBuilder().anyType().build();
                } else {
                    attributesType = genericType;
                }
            } else {
                return typeBuilder().anyType().build();
            }
        } else {
            return typeBuilder().anyType().build();
        }
    }
    if (isPagingProvider(returnType)) {
        Type second = getPagingProviderTypes(returnType).getSecond();
        if (second.isSameType(Result.class)) {
            attributesType = null;
        }
    }
    if (isCollection(returnType)) {
        List<TypeGeneric> generics = returnType.getGenerics();
        if (generics.size() > 0) {
            Type genericType = generics.get(0).getConcreteType();
            if (genericType.isAssignableTo(Result.class)) {
                attributesType = null;
            }
        }
    }
    return attributesType != null ? attributesType.asMetadataType() : typeBuilder().voidType().build();
}

Example 29 with MetadataType

use of org.mule.metadata.api.model.MetadataType in project mule by mulesoft.

the class IntrospectionUtils method collectRelativeClassesAsString.

/**
 * Given a {@link MetadataType} it adds all the {@link Class} that are related from that type. This includes generics of an
 * {@link ArrayType}, open restriction of an {@link ObjectType} as well as its fields.
 *
 * @param type {@link MetadataType} to inspect
 * @return {@link Set<Class>>} with the classes reachable from the {@code type}
 */
public static Set<String> collectRelativeClassesAsString(MetadataType type) {
    Set<String> relativeClasses = new HashSet<>();
    type.accept(new MetadataTypeVisitor() {

        @Override
        public void visitArrayType(ArrayType arrayType) {
            arrayType.getType().accept(this);
        }

        @Override
        public void visitObjectField(ObjectFieldType objectFieldType) {
            objectFieldType.getValue().accept(this);
        }

        @Override
        public void visitObject(ObjectType objectType) {
            if (objectType.getMetadataFormat() != JAVA) {
                return;
            }
            final String clazz = getId(objectType).orElse(null);
            if (clazz == null || relativeClasses.contains(clazz)) {
                return;
            }
            Optional<ClassInformationAnnotation> classInformation = objectType.getAnnotation(ClassInformationAnnotation.class);
            classInformation.ifPresent(classInformationAnnotation -> relativeClasses.addAll(classInformationAnnotation.getGenericTypes()));
            relativeClasses.add(clazz);
            objectType.getFields().forEach(objectFieldType -> objectFieldType.accept(this));
            objectType.getOpenRestriction().ifPresent(t -> t.accept(this));
        }

        @Override
        public void visitString(StringType stringType) {
            if (stringType.getMetadataFormat() == JAVA && isEnum(stringType)) {
                getId(stringType).ifPresent(relativeClasses::add);
            }
        }
    });
    return relativeClasses;
}

Example 30 with MetadataType

use of org.mule.metadata.api.model.MetadataType in project mule by mulesoft.

the class IntrospectionUtils method returnListOfMessagesType.

private static MetadataType returnListOfMessagesType(Type returnType, Type resultType) {
    if (resultType.getGenerics().isEmpty()) {
        AnyType anyType = typeBuilder().anyType().build();
        return getListOfMessageType(returnType, anyType, anyType);
    } else {
        TypeGeneric genericType = resultType.getGenerics().get(0);
        Type payloadType = genericType.getConcreteType();
        MetadataType outputType;
        if (payloadType.isAnyType()) {
            outputType = typeBuilder().anyType().build();
        } else {
            if (payloadType.isAssignableTo(TypedValue.class)) {
                payloadType = payloadType.getGenerics().get(0).getConcreteType();
            }
            outputType = payloadType.asMetadataType();
        }
        Type attributesType = resultType.getGenerics().get(1).getConcreteType();
        MetadataType attributesOutputType = attributesType.isAnyType() ? typeBuilder().anyType().build() : attributesType.asMetadataType();
        return getListOfMessageType(returnType, outputType, attributesOutputType);
    }
}