Java Code Examples for javax.enterprise.inject.spi.AnnotatedType#getMethods()

public <T> AnnotatedType<T> getReplacement(AnnotatedType<T> originalType) {

        boolean modified = false;
        Set<AnnotatedMethod<? super T>> methods = new LinkedHashSet<>();

        for (AnnotatedMethod<? super T> originalMethod : originalType.getMethods()) {
            AnnotatedMethod<? super T> replacement = getReplacement(originalType, originalMethod);
            if (replacement != null) {
                methods.add(replacement);
                modified = true;
            } else {
                methods.add(originalMethod);
            }
        }

        if (modified) {
            return new AnnotatedTypeWrapper<T>(originalType, methods);
        }
        return null;

    }
 

public <T> AnnotatedType<T> getReplacement(AnnotatedType<T> originalType) {

        boolean modified = false;
        Set<AnnotatedMethod<? super T>> methods = new LinkedHashSet<>();

        for (AnnotatedMethod<? super T> originalMethod : originalType.getMethods()) {
            AnnotatedMethod<? super T> replacement = getReplacement(originalType, originalMethod);
            if (replacement != null) {
                methods.add(replacement);
                modified = true;
            } else {
                methods.add(originalMethod);
            }
        }

        if (modified) {
            return new AnnotatedTypeWrapper<T>(originalType, methods);
        }
        return null;

    }
 

public static AnnotatedMethod<?> findMethod(final AnnotatedType<?> type, final Method method)
{
    AnnotatedMethod<?> annotatedMethod = null;
    for (final AnnotatedMethod<?> am : type.getMethods())
    {
        if (am.getJavaMember().equals(method))
        {
            annotatedMethod = am;
            break;
        }
    }
    if (annotatedMethod == null)
    {
        throw new IllegalStateException("No annotated method for " + method);
    }
    return annotatedMethod;
}
 

/**
 * Observe all enabled managed beans and identify/validate FT operations. This allows us to:
 * <ul>
 * <li>Skip validation of types which are not recognized as beans (e.g. are vetoed)</li>
 * <li>Take the final values of AnnotatedTypes</li>
 * <li>Support annotations added via portable extensions</li>
 * </ul>
 *
 * @param event
 */
void collectFaultToleranceOperations(@Observes ProcessManagedBean<?> event) {
    AnnotatedType<?> annotatedType = event.getAnnotatedBeanClass();
    for (AnnotatedMethod<?> annotatedMethod : annotatedType.getMethods()) {
        FaultToleranceOperation operation = FaultToleranceOperation.of(annotatedMethod);
        if (operation.isLegitimate()) {
            operation.validate();
            LOGGER.debugf("Found %s", operation);
            faultToleranceOperations.put(getCacheKey(annotatedType.getJavaClass(), annotatedMethod.getJavaMember()),
                    operation);
        }
    }
}
 

public <T> void analyze(AnnotatedType<T> annotatedType, Bean<T> bean) {
    log.scanningType(annotatedType.getJavaClass());
    Set<AnnotatedMethod<? super T>> methods = annotatedType.getMethods();

    methods.stream()
            .filter(this::hasMediatorAnnotations)
            .forEach(method -> collected.add(method.getJavaMember(), bean));
}
 

public <T> void analyzeWorker(AnnotatedType<T> annotatedType) {
    Objects.requireNonNull(annotatedType, msg.annotatedTypeWasEmpty());

    Set<AnnotatedMethod<? super T>> methods = annotatedType.getMethods();

    methods.stream()
            .filter(m -> m.isAnnotationPresent(Blocking.class))
            .forEach(m -> defineWorker(m.getJavaMember()));
}
 

/**
 * Adds the {@link Inject} annotation to the fields and setters of the annotated type if required.
 *
 * @param <X>
 *            the type of the annotated type
 * @param annotatedType
 *            the annotated type whose fields and setters the inject annotation should be added to
 * @param builder
 *            the builder that should be used to add the annotation.
 * @see #shouldInjectionAnnotationBeAddedToMember(AnnotatedMember)
 */
public static <X> void addInjectAnnotation(final AnnotatedType<X> annotatedType, AnnotatedTypeBuilder<X> builder) {
    for (AnnotatedField<? super X> field : annotatedType.getFields()) {
        if (shouldInjectionAnnotationBeAddedToMember(field)) {
            builder.addToField(field, AnnotationInstances.INJECT);
        }
    }
    for (AnnotatedMethod<? super X> method : annotatedType.getMethods()) {
        if (shouldInjectionAnnotationBeAddedToMember(method)) {
            builder.addToMethod(method,  AnnotationInstances.INJECT);
        }
    }
}
 

static <T extends Annotation> void declareAsInterceptorBinding(Class<T> annotation, BeanManager manager, BeforeBeanDiscovery bbd) {
    AnnotatedType<T> annotated = manager.createAnnotatedType(annotation);
    Set<AnnotatedMethod<? super T>> methods = new HashSet<>();
    for (AnnotatedMethod<? super T> method : annotated.getMethods())
        methods.add(new AnnotatedMethodDecorator<>(method, NON_BINDING));

    bbd.addInterceptorBinding(new AnnotatedTypeDecorator<>(annotated, INTERCEPTOR_BINDING, methods));
}
 

void addSecuredType(AnnotatedType<?> annotatedType)
{
    for (AnnotatedMethod<?> securedMethod : annotatedType.getMethods())
    {
        addSecuredMethod(securedMethod);
    }
}
 

/**
 * Listener to ProcessBean event to locate handlers.
 *
 * @param processBean current {@link AnnotatedType}
 * @param beanManager  Activated Bean Manager
 * @throws TypeNotPresentException if any of the actual type arguments refers to a non-existent type declaration
 *                                 when trying to obtain the actual type arguments from a
 *                                 {@link java.lang.reflect.ParameterizedType}
 * @throws java.lang.reflect.MalformedParameterizedTypeException
 *                                 if any of the actual type parameters refer to a parameterized type that cannot
 *                                 be instantiated for any reason when trying to obtain the actual type arguments
 *                                 from a {@link java.lang.reflect.ParameterizedType}
 */
@SuppressWarnings("UnusedDeclaration")
public <T> void findHandlers(@Observes final ProcessBean<?> processBean, final BeanManager beanManager)
{
    if (!isActivated)
    {
        return;
    }

    if (processBean.getBean() instanceof Interceptor || processBean.getBean() instanceof Decorator ||
            !(processBean.getAnnotated() instanceof AnnotatedType))
    {
        return;
    }

    AnnotatedType annotatedType = (AnnotatedType)processBean.getAnnotated();

    if (annotatedType.getJavaClass().isAnnotationPresent(ExceptionHandler.class))
    {
        final Set<AnnotatedMethod<? super T>> methods = annotatedType.getMethods();

        for (AnnotatedMethod<? super T> method : methods)
        {
            if (HandlerMethodImpl.isHandler(method))
            {
                if (method.getJavaMember().getExceptionTypes().length != 0)
                {
                    processBean.addDefinitionError(new IllegalArgumentException(
                        String.format("Handler method %s must not throw exceptions", method.getJavaMember())));
                }

                //beanManager won't be stored in the instance -> no issue with wls12c
                registerHandlerMethod(new HandlerMethodImpl(processBean.getBean(), method, beanManager));
            }
        }
    }
}
 

private static Map<Method, List<InterceptorInvoker>> initInterceptorInvokers(BeanManager beanManager,
                                                                             CreationalContext<?> creationalContext,
                                                                             Class<?> restClient) {
    Map<Method, List<InterceptorInvoker>> invokers = new HashMap<>();
    // Interceptor as a key in a map is not entirely correct (custom interceptors) but should work in most cases
    Map<Interceptor<?>, Object> interceptorInstances = new HashMap<>();
    
    AnnotatedType<?> restClientType = beanManager.createAnnotatedType(restClient);

    List<Annotation> classBindings = getBindings(restClientType.getAnnotations(), beanManager);

    for (AnnotatedMethod<?> method : restClientType.getMethods()) {
        Method javaMethod = method.getJavaMember();
        if (javaMethod.isDefault() || method.isStatic()) {
            continue;
        }
        List<Annotation> methodBindings = getBindings(method.getAnnotations(), beanManager);

        if (!classBindings.isEmpty() || !methodBindings.isEmpty()) {
            Annotation[] interceptorBindings = merge(methodBindings, classBindings);

            List<Interceptor<?>> interceptors =
                new ArrayList<>(beanManager.resolveInterceptors(InterceptionType.AROUND_INVOKE, 
                                                                interceptorBindings));
            if (LOG.isLoggable(Level.FINEST)) {
                LOG.finest("Resolved interceptors from beanManager, " + beanManager + ":" + interceptors);
            }

            if (!interceptors.isEmpty()) {
                List<InterceptorInvoker> chain = new ArrayList<>();
                for (Interceptor<?> interceptor : interceptors) {
                    chain.add(
                        new InterceptorInvoker(interceptor, 
                                               interceptorInstances.computeIfAbsent(interceptor, 
                                                   i -> beanManager.getReference(i, 
                                                                                 i.getBeanClass(), 
                                                                                 creationalContext))));
                }
                invokers.put(javaMethod, chain);
            }
        }
    }
    return invokers.isEmpty() ? Collections.emptyMap() : invokers;
}
 

@Test
public void testTypeLevelAnnotationRedefinition()
{
    AnnotatedTypeBuilder<Cat> builder = new AnnotatedTypeBuilder<Cat>();
    builder.readFromType(Cat.class);

    AnnotatedType<Cat> cat = builder.create();

    assertNotNull(cat);
    assertNotNull(cat.getAnnotation(Named.class));
    assertEquals("cat", cat.getAnnotation(Named.class).value());

    builder.addToClass(new AlternativeLiteral())
            .addToClass(new ApplicationScopedLiteral())
            .removeFromClass(Named.class)
            .addToClass(new NamedLiteral("tomcat"));

    cat = builder.create();
    assertNotNull(cat);

    assertEquals(3, cat.getAnnotations().size());
    assertTrue(cat.isAnnotationPresent(Named.class));
    assertTrue(cat.isAnnotationPresent(Alternative.class));
    assertTrue(cat.isAnnotationPresent(ApplicationScoped.class));
    assertEquals("tomcat", cat.getAnnotation(Named.class).value());
    
    AnnotatedMethod observerMethod = null;
    for (AnnotatedMethod m : cat.getMethods())
    {
        if ("doSomeObservation".equals(m.getJavaMember().getName()))
        {
            observerMethod = m;
            break;
        }
    }
    assertNotNull(observerMethod);
    observerMethod.isAnnotationPresent(Observes.class);
    
    {
        // test reading from an AnnotatedType
        AnnotatedTypeBuilder<Cat> builder2 = new AnnotatedTypeBuilder<Cat>();
        builder2.readFromType(cat);
        builder2.removeFromAll(Named.class);

        final AnnotatedType<Cat> noNameCat = builder2.create();
        assertFalse(noNameCat.isAnnotationPresent(Named.class));
        assertEquals(2, noNameCat.getAnnotations().size());
    }

    {

        // test reading from an AnnotatedType in non-overwrite mode
        AnnotatedTypeBuilder<Cat> builder3 = new AnnotatedTypeBuilder<Cat>();
        builder3.readFromType(cat, true);
        builder3.removeFromAll(Named.class);

        builder3.readFromType(cat, false);

        final AnnotatedType<Cat> namedCat = builder3.create();
        assertTrue(namedCat.isAnnotationPresent(Named.class));
        assertEquals(3, namedCat.getAnnotations().size());
    }
}