Examples with Annotation java.lang.annotation.Annotation used on opensource projects

Example 21 with Annotation

use of java.lang.annotation.Annotation in project Hystrix by Netflix.

the class CacheInvocationParameterTest method testCacheInvocationParameterConstructor.

@Test
public void testCacheInvocationParameterConstructor() throws NoSuchMethodException {
    // given
    Class<?> rawType = String.class;
    Object value = "test";
    Method method = CacheInvocationParameterTest.class.getDeclaredMethod("stabMethod", String.class);
    method.setAccessible(true);
    Annotation[] annotations = method.getParameterAnnotations()[0];
    int position = 0;
    // when
    CacheInvocationParameter cacheInvocationParameter = new CacheInvocationParameter(rawType, value, annotations, position);
    // then
    assertEquals(rawType, cacheInvocationParameter.getRawType());
    assertEquals(value, cacheInvocationParameter.getValue());
    assertEquals(annotations[0], cacheInvocationParameter.getCacheKeyAnnotation());
    assertTrue(cacheInvocationParameter.hasCacheKeyAnnotation());
    assertTrue(cacheInvocationParameter.getAnnotations().contains(annotations[0]));
    try {
        cacheInvocationParameter.getAnnotations().clear();
        fail();
    } catch (Throwable e) {
    // getAnnotations should return immutable set.
    }
}

Example 22 with Annotation

use of java.lang.annotation.Annotation in project android_frameworks_base by ParanoidAndroid.

the class Filter method addAnnotatedPorts.

private final void addAnnotatedPorts() {
    Class filterClass = getClass();
    Annotation annotation;
    for (Field field : filterClass.getDeclaredFields()) {
        if ((annotation = field.getAnnotation(GenerateFieldPort.class)) != null) {
            GenerateFieldPort generator = (GenerateFieldPort) annotation;
            addFieldGenerator(generator, field);
        } else if ((annotation = field.getAnnotation(GenerateProgramPort.class)) != null) {
            GenerateProgramPort generator = (GenerateProgramPort) annotation;
            addProgramGenerator(generator, field);
        } else if ((annotation = field.getAnnotation(GenerateProgramPorts.class)) != null) {
            GenerateProgramPorts generators = (GenerateProgramPorts) annotation;
            for (GenerateProgramPort generator : generators.value()) {
                addProgramGenerator(generator, field);
            }
        }
    }
}

Example 23 with Annotation

use of java.lang.annotation.Annotation in project jersey by jersey.

the class ComponentBag method modelFor.

/**
     * Create a contract provider for a given component class.
     *
     * @param componentClass  component class to create contract provider model for.
     * @param defaultPriority default component priority. If {@value ContractProvider#NO_PRIORITY},
     *                        the value from the component class {@link javax.annotation.Priority} annotation will be used
     *                        (if any).
     * @param contractMap     map of contracts and their binding priorities. If {@code null}, the contracts will
     *                        gathered by introspecting the component class. Content of the contract map
     *                        may be modified during the registration processing.
     * @param modelEnhancer   custom contract provider model enhancer.
     * @return contract provider model for the class.
     */
private static ContractProvider modelFor(final Class<?> componentClass, final int defaultPriority, final Map<Class<?>, Integer> contractMap, final Inflector<ContractProvider.Builder, ContractProvider> modelEnhancer) {
    Map<Class<?>, Integer> contracts = contractMap;
    if (contracts == null) {
        // introspect
        contracts = asMap(Providers.getProviderContracts(componentClass));
    } else {
        // filter custom contracts
        final Iterator<Class<?>> it = contracts.keySet().iterator();
        while (it.hasNext()) {
            final Class<?> contract = it.next();
            if (contract == null) {
                it.remove();
                continue;
            }
            boolean failed = false;
            if (!Providers.isSupportedContract(contract)) {
                Errors.error(LocalizationMessages.CONTRACT_NOT_SUPPORTED(contract, componentClass), Severity.WARNING);
                failed = true;
            }
            if (!contract.isAssignableFrom(componentClass)) {
                Errors.error(LocalizationMessages.CONTRACT_NOT_ASSIGNABLE(contract, componentClass), Severity.WARNING);
                failed = true;
            }
            if (failed) {
                it.remove();
            }
        }
    }
    final ContractProvider.Builder builder = ContractProvider.builder(componentClass).addContracts(contracts).defaultPriority(defaultPriority);
    // Process annotations (priority, name bindings, scope)
    final boolean useAnnotationPriority = defaultPriority == ContractProvider.NO_PRIORITY;
    for (Annotation annotation : componentClass.getAnnotations()) {
        if (annotation instanceof Priority) {
            if (useAnnotationPriority) {
                builder.defaultPriority(((Priority) annotation).value());
            }
        } else {
            for (Annotation metaAnnotation : annotation.annotationType().getAnnotations()) {
                if (metaAnnotation instanceof NameBinding) {
                    builder.addNameBinding(annotation.annotationType());
                }
                if (metaAnnotation instanceof Scope) {
                    builder.scope(annotation.annotationType());
                }
            }
        }
    }
    return modelEnhancer.apply(builder);
}

Example 24 with Annotation

use of java.lang.annotation.Annotation in project jersey by jersey.

the class ExecutorProviders method createInjectionBindings.

/**
     * Create qualified {@link java.util.concurrent.ExecutorService} and {@link java.util.concurrent.ScheduledExecutorService}
     * injection bindings based on the registered providers implementing the
     * {@link org.glassfish.jersey.spi.ExecutorServiceProvider} and/or
     * {@link org.glassfish.jersey.spi.ScheduledExecutorServiceProvider} SPI.
     * <p>
     * This method supports creation of qualified injection bindings based on custom
     * {@link javax.inject.Qualifier qualifier annotations} attached to the registered provider implementation classes
     * as well as named injection bindings based on the {@link javax.inject.Named} qualifier annotation attached to the
     * registered provider implementation classes.
     * </p>
     *
     * @param injectionManager application's injection manager.
     */
public static void createInjectionBindings(InjectionManager injectionManager) {
    /*
         * Add ExecutorService into DI framework.
         */
    Map<Class<? extends Annotation>, List<ExecutorServiceProvider>> executorProviderMap = getQualifierToProviderMap(injectionManager, ExecutorServiceProvider.class);
    for (Map.Entry<Class<? extends Annotation>, List<ExecutorServiceProvider>> qualifierToProviders : executorProviderMap.entrySet()) {
        Class<? extends Annotation> qualifierAnnotationClass = qualifierToProviders.getKey();
        Iterator<ExecutorServiceProvider> bucketProviderIterator = qualifierToProviders.getValue().iterator();
        ExecutorServiceProvider executorProvider = bucketProviderIterator.next();
        logExecutorServiceProvider(qualifierAnnotationClass, bucketProviderIterator, executorProvider);
        SupplierInstanceBinding<ExecutorService> descriptor = Bindings.supplier(new ExecutorServiceSupplier(executorProvider)).in(Singleton.class).to(ExecutorService.class);
        Annotation qualifier = executorProvider.getClass().getAnnotation(qualifierAnnotationClass);
        if (qualifier instanceof Named) {
            descriptor.named(((Named) qualifier).value());
        } else {
            descriptor.qualifiedBy(qualifier);
        }
        injectionManager.register(descriptor);
    }
    /*
         * Add ScheduledExecutorService into DI framework.
         */
    Map<Class<? extends Annotation>, List<ScheduledExecutorServiceProvider>> schedulerProviderMap = getQualifierToProviderMap(injectionManager, ScheduledExecutorServiceProvider.class);
    for (Map.Entry<Class<? extends Annotation>, List<ScheduledExecutorServiceProvider>> qualifierToProviders : schedulerProviderMap.entrySet()) {
        Class<? extends Annotation> qualifierAnnotationClass = qualifierToProviders.getKey();
        Iterator<ScheduledExecutorServiceProvider> bucketProviderIterator = qualifierToProviders.getValue().iterator();
        ScheduledExecutorServiceProvider executorProvider = bucketProviderIterator.next();
        logScheduledExecutorProvider(qualifierAnnotationClass, bucketProviderIterator, executorProvider);
        SupplierInstanceBinding<ScheduledExecutorService> descriptor = Bindings.supplier(new ScheduledExecutorServiceSupplier(executorProvider)).in(Singleton.class).to(ScheduledExecutorService.class);
        if (!executorProviderMap.containsKey(qualifierAnnotationClass)) {
            // it is safe to register binding for ExecutorService too...
            descriptor.to(ExecutorService.class);
        }
        Annotation qualifier = executorProvider.getClass().getAnnotation(qualifierAnnotationClass);
        if (qualifier instanceof Named) {
            descriptor.named(((Named) qualifier).value());
        } else {
            descriptor.qualifiedBy(qualifier);
        }
        injectionManager.register(descriptor);
    }
}

Example 25 with Annotation

use of java.lang.annotation.Annotation in project jersey by jersey.

the class ApplicationHandler method filterNameBound.

/**
     * Takes collection of all filters/interceptors (either request/reader or response/writer)
     * and separates out all name-bound filters/interceptors, returns them as a separate MultivaluedMap,
     * mapping the name-bound annotation to the list of name-bound filters/interceptors. The same key values
     * are also added into the inverse map passed in {@code inverseNameBoundMap}.
     * <p/>
     * Note, the name-bound filters/interceptors are removed from the original filters/interceptors collection.
     * If non-null collection is passed in the postMatching parameter (applicable for filters only),
     * this method also removes all the global
     * postMatching filters from the original collection and adds them to the collection passed in the postMatching
     * parameter.
     *
     * @param all                     Collection of all filters to be processed.
     * @param preMatchingFilters      Collection into which pre-matching filters should be added.
     * @param componentBag            Component bag
     * @param applicationNameBindings Collection of name binding annotations attached to the JAX-RS application.
     * @param inverseNameBoundMap     Inverse name bound map into which the name bound providers should be inserted. The keys
     *                                are providers (filters, interceptor)
     * @return {@link MultivaluedMap} of all name-bound filters.
     */
private static <T> MultivaluedMap<Class<? extends Annotation>, RankedProvider<T>> filterNameBound(final Iterable<RankedProvider<T>> all, final Collection<RankedProvider<ContainerRequestFilter>> preMatchingFilters, final ComponentBag componentBag, final Collection<Class<? extends Annotation>> applicationNameBindings, final MultivaluedMap<RankedProvider<T>, Class<? extends Annotation>> inverseNameBoundMap) {
    final MultivaluedMap<Class<? extends Annotation>, RankedProvider<T>> result = new MultivaluedHashMap<>();
    for (final Iterator<RankedProvider<T>> it = all.iterator(); it.hasNext(); ) {
        final RankedProvider<T> provider = it.next();
        Class<?> providerClass = provider.getProvider().getClass();
        final Set<Type> contractTypes = provider.getContractTypes();
        if (contractTypes != null && !contractTypes.contains(providerClass)) {
            providerClass = ReflectionHelper.theMostSpecificTypeOf(contractTypes);
        }
        ContractProvider model = componentBag.getModel(providerClass);
        if (model == null) {
            // the provider was (most likely) bound in HK2 externally
            model = ComponentBag.modelFor(providerClass);
        }
        final boolean preMatching = providerClass.getAnnotation(PreMatching.class) != null;
        if (preMatching && preMatchingFilters != null) {
            it.remove();
            preMatchingFilters.add(new RankedProvider<>((ContainerRequestFilter) provider.getProvider(), model.getPriority(ContainerRequestFilter.class)));
        }
        boolean nameBound = model.isNameBound();
        if (nameBound && !applicationNameBindings.isEmpty() && applicationNameBindings.containsAll(model.getNameBindings())) {
            // override the name-bound flag
            nameBound = false;
        }
        if (nameBound) {
            // not application-bound
            if (!preMatching) {
                it.remove();
                for (final Class<? extends Annotation> binding : model.getNameBindings()) {
                    result.add(binding, provider);
                    inverseNameBoundMap.add(provider, binding);
                }
            } else {
                LOGGER.warning(LocalizationMessages.PREMATCHING_ALSO_NAME_BOUND(providerClass));
            }
        }
    }
    return result;
}