Examples with MetadataTypeUtils org.mule.metadata.api.utils.MetadataTypeUtils used on opensource projects

Example 1 with MetadataTypeUtils

use of org.mule.metadata.api.utils.MetadataTypeUtils in project mule by mulesoft.

the class NullSafeValueResolverWrapper method of.

/**
 * Creates a new instance
 *
 * @param delegate the {@link ValueResolver} to wrap
 * @param type the type of the value this resolver returns
 * @param reflectionCache the cache for expensive reflection lookups
 * @param muleContext the current {@link MuleContext}
 * @param <T> the generic type of the produced values
 * @return a new null safe {@link ValueResolver}
 * @throws IllegalParameterModelDefinitionException if used on parameters of not supported types
 */
public static <T> ValueResolver<T> of(ValueResolver<T> delegate, MetadataType type, ReflectionCache reflectionCache, MuleContext muleContext, ObjectTypeParametersResolver parametersResolver) {
    checkArgument(delegate != null, "delegate cannot be null");
    Reference<ValueResolver> wrappedResolver = new Reference<>();
    type.accept(new MetadataTypeVisitor() {

        @Override
        public void visitObject(ObjectType objectType) {
            Class clazz = getType(objectType);
            if (isMap(objectType)) {
                ValueResolver<?> fallback = MapValueResolver.of(clazz, emptyList(), emptyList(), reflectionCache, muleContext);
                wrappedResolver.set(new NullSafeValueResolverWrapper(delegate, fallback, muleContext));
                return;
            }
            String requiredFields = objectType.getFields().stream().filter(f -> f.isRequired() && !isFlattenedParameterGroup(f)).map(MetadataTypeUtils::getLocalPart).collect(joining(", "));
            if (!isBlank(requiredFields)) {
                if (LOGGER.isDebugEnabled()) {
                    LOGGER.debug(format("Class '%s' cannot be used with NullSafe Wrapper since it contains non optional fields: [%s]", clazz.getName(), requiredFields));
                }
                wrappedResolver.set(delegate);
                return;
            }
            ResolverSet resolverSet = new ResolverSet(muleContext);
            for (Field field : getFields(clazz)) {
                ValueResolver<?> fieldResolver = null;
                ObjectFieldType objectField = objectType.getFieldByName(getAlias(field)).orElse(null);
                if (objectField == null) {
                    continue;
                }
                Optional<String> defaultValue = getDefaultValue(objectField);
                // TODO MULE-13066 Extract ParameterResolver logic into a centralized resolver
                if (defaultValue.isPresent()) {
                    fieldResolver = getFieldDefaultValueValueResolver(objectField, muleContext);
                } else if (isFlattenedParameterGroup(objectField)) {
                    DefaultObjectBuilder groupBuilder = new DefaultObjectBuilder<>(getType(objectField.getValue()));
                    resolverSet.add(field.getName(), new ObjectBuilderValueResolver<T>(groupBuilder, muleContext));
                    ObjectType childGroup = (ObjectType) objectField.getValue();
                    parametersResolver.resolveParameters(childGroup, groupBuilder);
                    parametersResolver.resolveParameterGroups(childGroup, groupBuilder);
                } else {
                    NullSafe nullSafe = field.getAnnotation(NullSafe.class);
                    if (nullSafe != null) {
                        MetadataType nullSafeType;
                        if (Object.class.equals(nullSafe.defaultImplementingType())) {
                            nullSafeType = objectField.getValue();
                        } else {
                            nullSafeType = new BaseTypeBuilder(JAVA).objectType().with(new TypeIdAnnotation(nullSafe.defaultImplementingType().getName())).build();
                        }
                        fieldResolver = NullSafeValueResolverWrapper.of(new StaticValueResolver<>(null), nullSafeType, reflectionCache, muleContext, parametersResolver);
                    }
                    if (field.getAnnotation(ConfigOverride.class) != null) {
                        ValueResolver<?> fieldDelegate = fieldResolver != null ? fieldResolver : new StaticValueResolver<>(null);
                        fieldResolver = ConfigOverrideValueResolverWrapper.of(fieldDelegate, field.getName(), reflectionCache, muleContext);
                    }
                }
                if (fieldResolver != null) {
                    resolverSet.add(field.getName(), fieldResolver);
                }
            }
            ObjectBuilder<T> objectBuilder = new DefaultResolverSetBasedObjectBuilder<T>(clazz, resolverSet);
            wrappedResolver.set(new NullSafeValueResolverWrapper(delegate, new ObjectBuilderValueResolver(objectBuilder, muleContext), muleContext));
        }

        @Override
        public void visitArrayType(ArrayType arrayType) {
            Class collectionClass = getType(arrayType);
            ValueResolver<?> fallback = CollectionValueResolver.of(collectionClass, emptyList());
            wrappedResolver.set(new NullSafeValueResolverWrapper(delegate, fallback, muleContext));
        }

        @Override
        protected void defaultVisit(MetadataType metadataType) {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug(format("Class '%s' cannot be used with NullSafe Wrapper since it is of a simple type", getType(metadataType).getName()));
            }
            wrappedResolver.set(delegate);
        }
    });
    return wrappedResolver.get();
}

Example 2 with MetadataTypeUtils

use of org.mule.metadata.api.utils.MetadataTypeUtils in project mule by mulesoft.

the class NullSafeModelValidator method validate.

@Override
public void validate(ExtensionModel extensionModel, ProblemsReporter problemsReporter) {
    ReflectionCache reflectionCache = new ReflectionCache();
    TypeLoader typeLoader = ExtensionsTypeLoaderFactory.getDefault().createTypeLoader();
    new ExtensionWalker() {

        @Override
        public void onParameter(ParameterizedModel owner, ParameterGroupModel groupModel, ParameterModel model) {
            model.getType().accept(new MetadataTypeVisitor() {

                @Override
                public void visitObject(ObjectType objectType) {
                    if (objectType.getMetadataFormat().equals(JAVA) && !isMap(objectType)) {
                        objectType.getAnnotation(TypeIdAnnotation.class).map(TypeIdAnnotation::getValue).ifPresent(typeId -> typeLoader.load(typeId).ifPresent(fieldMetadataType -> objectType.getFields().stream().filter(f -> f.getAnnotation(NullSafeTypeAnnotation.class).isPresent()).forEach(f -> validateField(getLocalPart(f), f, getType(fieldMetadataType), f.getAnnotation(NullSafeTypeAnnotation.class).get()))));
                    }
                }

                private void validateField(String fieldName, ObjectFieldType field, Class<?> declaringClass, NullSafeTypeAnnotation nullSafeTypeAnnotation) {
                    Class<?> nullSafeType = nullSafeTypeAnnotation.getType();
                    Class<?> fieldType = getType(field.getValue());
                    boolean hasDefaultOverride = nullSafeTypeAnnotation.hasDefaultOverride();
                    field.getValue().accept(new BasicTypeMetadataVisitor() {

                        @Override
                        protected void visitBasicType(MetadataType metadataType) {
                            problemsReporter.addError(new Problem(extensionModel, format("Field '%s' in class '%s' is annotated with '@%s' but is of type '%s'. That annotation can only be " + "used with complex types (Pojos, Lists, Maps)", fieldName, declaringClass.getName(), NullSafe.class.getSimpleName(), fieldType.getName())));
                        }

                        @Override
                        public void visitArrayType(ArrayType arrayType) {
                            if (hasDefaultOverride) {
                                problemsReporter.addError(new Problem(extensionModel, format("Field '%s' in class '%s' is annotated with '@%s' is of type '%s'" + " but a 'defaultImplementingType' was provided." + " Type override is not allowed for Collections", fieldName, declaringClass.getName(), NullSafe.class.getSimpleName(), fieldType.getName())));
                            }
                        }

                        @Override
                        public void visitObject(ObjectType objectType) {
                            String requiredFields = objectType.getFields().stream().filter(f -> f.isRequired() && !isFlattenedParameterGroup(f)).map(MetadataTypeUtils::getLocalPart).collect(joining(", "));
                            if (!isBlank(requiredFields) && isCompiletime(extensionModel)) {
                                problemsReporter.addError(new Problem(model, format("Class '%s' cannot be used with '@%s' parameter since it contains non optional fields: [%s]", getId(objectType).orElse(""), NullSafe.class.getSimpleName(), requiredFields)));
                            }
                            if (objectType.isOpen()) {
                                if (hasDefaultOverride) {
                                    problemsReporter.addError(new Problem(model, format("Field '%s' in class '%s' is annotated with '@%s' is of type '%s'" + " but a 'defaultImplementingType' was provided." + " Type override is not allowed for Maps", fieldName, declaringClass.getName(), NullSafe.class.getSimpleName(), fieldType.getName())));
                                }
                                return;
                            }
                            if (hasDefaultOverride && isInstantiable(fieldType, reflectionCache)) {
                                problemsReporter.addError(new Problem(model, format("Field '%s' in class '%s' is annotated with '@%s' is of concrete type '%s'," + " but a 'defaultImplementingType' was provided." + " Type override is not allowed for concrete types", fieldName, declaringClass.getName(), NullSafe.class.getSimpleName(), fieldType.getName())));
                            }
                            if (!isInstantiable(nullSafeType, reflectionCache)) {
                                problemsReporter.addError(new Problem(model, format("Field '%s' in class '%s' is annotated with '@%s' but is of type '%s'. That annotation can only be " + "used with complex instantiable types (Pojos, Lists, Maps)", fieldName, declaringClass.getName(), NullSafe.class.getSimpleName(), nullSafeType.getName())));
                            }
                            if (hasDefaultOverride && !fieldType.isAssignableFrom(nullSafeType)) {
                                problemsReporter.addError(new Problem(model, format("Field '%s' in class '%s' is annotated with '@%s' of type '%s', but provided type '%s" + " is not a subtype of the parameter's type", fieldName, declaringClass.getName(), NullSafe.class.getSimpleName(), fieldType.getName(), nullSafeType.getName())));
                            }
                        }
                    });
                }
            });
        }
    }.walk(extensionModel);
}