com.google.inject.matcher.Matchers Java Examples

@Override
protected void configure() {

    final boolean newRegistry = lifecycleRegistry.compareAndSet(null, new LifecycleRegistry());
    bind(LifecycleRegistry.class).toInstance(lifecycleRegistry.get());

    if (newRegistry) {
        bind(LifecycleShutdownRegistration.class).asEagerSingleton();
    }

    bindListener(Matchers.any(), new TypeListener() {
        @Override
        public <I> void hear(final TypeLiteral<I> type, final TypeEncounter<I> encounter) {
            executePostConstruct(encounter, type.getRawType(), lifecycleRegistry.get());
        }
    });
}
 

/**
 * Binds an exception trap on all interface methods of all classes bound against an interface.
 * Individual methods may opt out of trapping by annotating with {@link AllowUnchecked}.
 * Only void methods are allowed, any non-void interface methods must explicitly opt out.
 *
 * @param binder The binder to register an interceptor with.
 * @param wrapInterface Interface whose methods should be wrapped.
 * @throws IllegalArgumentException If any of the non-whitelisted interface methods are non-void.
 */
public static void bindExceptionTrap(Binder binder, Class<?> wrapInterface)
    throws IllegalArgumentException {

  Set<Method> disallowed = ImmutableSet.copyOf(Iterables.filter(
      ImmutableList.copyOf(wrapInterface.getMethods()),
      Predicates.and(Predicates.not(IS_WHITELISTED), Predicates.not(VOID_METHOD))));
  Preconditions.checkArgument(disallowed.isEmpty(),
      "Non-void methods must be explicitly whitelisted with @AllowUnchecked: %s", disallowed);

  Matcher<Method> matcher =
      Matchers.not(WHITELIST_MATCHER).and(interfaceMatcher(wrapInterface, false));
  binder.bindInterceptor(Matchers.subclassesOf(wrapInterface), matcher,
      new MethodInterceptor() {
        @Override
        public Object invoke(MethodInvocation invocation) throws Throwable {
          try {
            return invocation.proceed();
          } catch (RuntimeException e) {
            LOG.warn("Trapped uncaught exception: " + e, e);
            return null;
          }
        }
      });
}
 

@Test
public void test_interceptor() throws ClassNotFoundException {
    Injector injector = Guice.createInjector((Module) binder -> binder.bindInterceptor(
        Matchers.identicalTo(TestedRpcHandler.class),
        Matchers.any(),
        new RpcHandlerMethodInterceptor()
    ));

    TestedRpcHandler methodHandler
        = injector.getInstance(TestedRpcHandler.class);
    methodHandler.handleRequest(RpcEnvelope.Request.newBuilder().build(), new OrangeContext());

    SameGuiceModuleAssertionOnInterceptorInvokation sameGuiceModuleAssertionOnInterceptorInvokation
        = injector.getInstance(SameGuiceModuleAssertionOnInterceptorInvokation.class);
    sameGuiceModuleAssertionOnInterceptorInvokation.test_that_intercepted_rpc_handler_still_verified();

    assertThat(ReflectionUtil.findSubClassParameterType(methodHandler, 0)).
        isEqualTo(RpcEnvelope.Request.class);
    assertThat(ReflectionUtil.findSubClassParameterType(methodHandler, 1)).
        isEqualTo(RpcEnvelope.Response.class);
}
 

@Override
protected void configure() {
    bindListener(Matchers.any(), new ProvisionListener() {
        @Override
        public <T> void onProvision(ProvisionInvocation<T> provision) {
            final ProvisionListener.ProvisionInvocation<?> prior = ContextualProvider.provisionInvocation.get();
            ContextualProvider.provisionInvocation.set(provision);
            try {
                provision.provision();
            } finally {
                if(prior != null) {
                    ContextualProvider.provisionInvocation.set(prior);
                } else {
                    ContextualProvider.provisionInvocation.remove();
                }
            }
        }
    });
}
 

@Override
protected void configure() {
    bind(ContainerEventBus.class).to(DefaultContainerEventBus.class);

    // Activation lifecycle
    ActivationProvisionListener activationProvisionListener = new ActivationProvisionListener();
    bind(ActivationLifecycle.class).toInstance(activationProvisionListener);
    bindListener(Matchers.any(), activationProvisionListener);

    // Proxies
    bindInterceptor(
            Matchers.annotatedWith(ProxyConfiguration.class),
            Matchers.any(),
            new ProxyMethodInterceptor(getProvider(ActivationLifecycle.class), getProvider(TitusRuntime.class))
    );
}
 

@Before
public void before() {
    metadataDAO = Mockito.mock(MetadataDAO.class);
    eventHandlerDAO = Mockito.mock(EventHandlerDAO.class);
    eventQueues = Mockito.mock(EventQueues.class);
    configuration = Mockito.mock(Configuration.class);
    when(configuration.isOwnerEmailMandatory()).thenReturn(true);

    Injector injector =
            Guice.createInjector(
                    new AbstractModule() {
                        @Override
                        protected void configure() {

                            bind(MetadataDAO.class).toInstance(metadataDAO);
                            bind(EventHandlerDAO.class).toInstance(eventHandlerDAO);
                            bind(EventQueues.class).toInstance(eventQueues);
                            bind(Configuration.class).toInstance(configuration);

                            install(new ValidationModule());
                            bindInterceptor(
                                    Matchers.any(), Matchers.annotatedWith(Service.class), new ServiceInterceptor(getProvider(Validator.class)));
                        }
                    });
    metadataService = injector.getInstance(MetadataServiceImpl.class);
}
 

@Before
public void before() {
    executionService = Mockito.mock(ExecutionService.class);
    queueDAO = Mockito.mock(QueueDAO.class);
    Injector injector =
            Guice.createInjector(
                    new AbstractModule() {
                        @Override
                        protected void configure() {

                            bind(ExecutionService.class).toInstance(executionService);
                            bind(QueueDAO.class).toInstance(queueDAO);

                            install(new ValidationModule());
                            bindInterceptor(Matchers.any(), Matchers.annotatedWith(Service.class), new ServiceInterceptor(getProvider(Validator.class)));
                        }
                    });
    taskService = injector.getInstance(TaskServiceImpl.class);
}
 

@Before
public void before() {
    metadataService = Mockito.mock(MetadataService.class);
    eventProcessor = Mockito.mock(SimpleEventProcessor.class);
    eventQueues = Mockito.mock(EventQueues.class);

    Injector injector =
            Guice.createInjector(
                    new AbstractModule() {
                        @Override
                        protected void configure() {

                            bind(MetadataService.class).toInstance(metadataService);
                            bind(EventProcessor.class).toInstance(eventProcessor);
                            bind(EventQueues.class).toInstance(eventQueues);

                            install(new ValidationModule());
                            bindInterceptor(Matchers.any(), Matchers.annotatedWith(Service.class), new ServiceInterceptor(getProvider(Validator.class)));
                        }
                    });
    eventService = injector.getInstance(EventServiceImpl.class);
}
 

@Override
protected void configure() {
    registerConfigFiles(this.configFiles);
    bind(IRestExportService.class).to(RestExportService.class).in(Scopes.SINGLETON);
    bind(IRestImportService.class).to(RestImportService.class).in(Scopes.SINGLETON);
    bind(IRestGitBackupService.class).to(RestGitBackupService.class).in(Scopes.SINGLETON);

    // AutoGit Injection - all methods that are annotated with @ConfigurationUpdate and start with
    // update or delete trigger a new commit/push
    bindInterceptor(Matchers.any(), new AbstractMatcher<>() {
        @Override
        public boolean matches(Method method) {
            return method.isAnnotationPresent(IResourceStore.ConfigurationUpdate.class) && !method.isSynthetic();
        }

    }, new GitConfigurationUpdateService(getProvider(IRestGitBackupService.class),
                                         getProvider(IBotStore.class),
                                         getProvider(IDeploymentStore.class),
                                         getProvider(IPackageStore.class),
                                         getProvider(IJsonSerialization.class)));
    bind(IZipArchive.class).to(ZipArchive.class).in(Scopes.SINGLETON);
}
 

/**
 * Performs concrete bindings for interfaces
 *
 * @see com.google.inject.AbstractModule#configure()
 */
@Override
protected void configure() {
    //bind entity classes
    bind(AuditDAO.class).to(AuditDAOImpl.class).in(Singleton.class);
    bind(EventsDAO.class).to(EventsDAOImpl.class).in(Singleton.class);
    bind(StateMachinesDAO.class).to(StateMachinesDAOImpl.class).in(Singleton.class);
    bind(StatesDAO.class).to(StatesDAOImpl.class).in(Singleton.class);
    bind(ClientElbDAO.class).to(ClientElbDAOImpl.class).in(Singleton.class);


    //bind Transactional Interceptor to intercept methods which are annotated with javax.transaction.Transactional
    Provider<SessionFactoryContext> provider = getProvider(Key.get(SessionFactoryContext.class, Names.named("fluxSessionFactoriesContext")));
    final TransactionInterceptor transactionInterceptor = new TransactionInterceptor(provider);
    // Weird way of getting a package but java.lang.Package.getName(<String>) was no working for some reason.
    // todo [yogesh] dig deeper and fix this ^
    bindInterceptor(Matchers.not(Matchers.inPackage(MessageDao.class.getPackage())),
            Matchers.annotatedWith(Transactional.class), transactionInterceptor);
    bindInterceptor(Matchers.not(Matchers.inPackage(ScheduledMessage.class.getPackage())),
            Matchers.annotatedWith(Transactional.class), transactionInterceptor);
}
 

@Override
protected void configure() {

    String mathRecenteredJSONFile = MATH_RECENTERED_JSON_FILE;
    String verbalRecenteredJSONFile = VERBAL_RECENTERED_JSON_FILE;
    String settingsFileName = SETTINGS_FILE_NAME;

    bind(BuilderFactory.class).to(JavaFXBuilderFactory.class);

    bind(String.class).annotatedWith(Names.named("mathRecenteredJSONFile")).toInstance(mathRecenteredJSONFile);
    bind(String.class).annotatedWith(Names.named("verbalRecenteredJSONFile")).toInstance(verbalRecenteredJSONFile);
    bind(String.class).annotatedWith(Names.named("settingsFileName")).toInstance(settingsFileName);

    bind(SettingsDAO.class).to(SettingsDAOImpl.class).asEagerSingleton();
    bind(RecenteredDAO.class).to(RecenteredDAOImpl.class).asEagerSingleton();

    bindInterceptor(Matchers.subclassesOf(ManagedDataSource.class), Matchers.any(), new ManagedDataSourceInterceptor());
}
 

@Override
protected void configure() {

    String mathRecenteredJSONFile = MATH_RECENTERED_JSON_FILE;
    String verbalRecenteredJSONFile = VERBAL_RECENTERED_JSON_FILE;
    String settingsFileName = SETTINGS_FILE_NAME;

    bind(BuilderFactory.class).to(JavaFXBuilderFactory.class);

    bind(String.class).annotatedWith(Names.named("mathRecenteredJSONFile")).toInstance(mathRecenteredJSONFile);
    bind(String.class).annotatedWith(Names.named("verbalRecenteredJSONFile")).toInstance(verbalRecenteredJSONFile);
    bind(String.class).annotatedWith(Names.named("settingsFileName")).toInstance(settingsFileName);

    bind(SettingsDAO.class).to(SettingsDAOImpl.class).asEagerSingleton();
    bind(RecenteredDAO.class).to(RecenteredDAOImpl.class).asEagerSingleton();

    bindInterceptor(Matchers.subclassesOf(ManagedDataSource.class), Matchers.any(), new ManagedDataSourceInterceptor());
}
 

@Override
protected void configure() {
  final Destroyer destroyer = new Destroyer(errorHandler);
  bind(Destroyer.class).toInstance(destroyer);
  bindListener(
      Matchers.any(),
      new TypeListener() {
        @Override
        public <T> void hear(TypeLiteral<T> type, TypeEncounter<T> encounter) {
          encounter.register(
              new InjectionListener<T>() {
                @Override
                public void afterInjection(T injectee) {
                  final Method[] methods = get(injectee.getClass(), annotationType);
                  if (methods.length > 0) {
                    // copy array when pass it outside
                    final Method[] copy = new Method[methods.length];
                    System.arraycopy(methods, 0, copy, 0, methods.length);
                    destroyer.add(injectee, copy);
                  }
                }
              });
        }
      });
}
 

@Override
public void configure(final Binder binder) {
  binder.bindListener(Matchers.any(), new ProvisionListener() {
    @Override
    public <T> void onProvision(ProvisionInvocation<T> provision) {
      Object obj = provision.provision();

      if (obj instanceof Managed) {
        handle((Managed) obj);
      }

      if (obj instanceof Task) {
        handle((Task) obj);
      }

      if (obj instanceof HealthCheck) {
        handle((HealthCheck) obj);
      }

      if (obj instanceof ServerLifecycleListener) {
        handle((ServerLifecycleListener) obj);
      }
    }
  });
}
 

/**
 * Binds an interceptor that ensures the main ClassLoader is bound as the thread context
 * {@link ClassLoader} during JNI callbacks from mesos.  Some libraries require a thread
 * context ClassLoader be set and this ensures those libraries work properly.
 *
 * @param binder The binder to use to register an interceptor with.
 * @param wrapInterface Interface whose methods should wrapped.
 */
public static void bindJNIContextClassLoader(Binder binder, Class<?> wrapInterface) {
  final ClassLoader mainClassLoader = GuiceUtils.class.getClassLoader();
  binder.bindInterceptor(
      Matchers.subclassesOf(wrapInterface),
      interfaceMatcher(wrapInterface, false),
      new MethodInterceptor() {
        @Override
        public Object invoke(MethodInvocation invocation) throws Throwable {
          Thread currentThread = Thread.currentThread();
          ClassLoader prior = currentThread.getContextClassLoader();
          try {
            currentThread.setContextClassLoader(mainClassLoader);
            return invocation.proceed();
          } finally {
            currentThread.setContextClassLoader(prior);
          }
        }
      });
}
 

@Override
protected void configure() {
	bind(new TypeLiteral<Optional<TermHistory>>(){}).toInstance(history);
	bind(FilterResource.class).to(DefaultFilterResource.class);
	bind(Terminology.class).toInstance(corpus.getTerminology());
	bind(IndexedCorpus.class).toInstance(corpus);
	bind(Lang.class).toInstance(corpus.getTerminology().getLang());
	bind(OccurrenceStore.class).toInstance(corpus.getOccurrenceStore());
	bind(TerminologyService.class).toInstance(new TerminologyService(corpus.getTerminology()));
	bind(PipelineService.class).in(Singleton.class);
	bind(IndexService.class).toInstance(new IndexService(corpus.getTerminology()));
	bind(GroovyService.class).in(Singleton.class);
	bind(PipelineStats.class).in(Singleton.class);
	bind(PipelineListener.class).toInstance(listener);
    bindListener(Matchers.any(), new Slf4JTypeListener());
}
 

@Override
protected void configure() {
    bindListener(new AbstractMatcher<TypeLiteral<?>>() {
        @Override
        public boolean matches(TypeLiteral<?> typeLiteral) {
            return false;
        }
    }, new CustomTypeListener());

    bindListener(new AbstractMatcher<Object>() {
        @Override
        public boolean matches(Object o) {
            return false;
        }
    }, new CustomProvisionListener());

    bindInterceptor(Matchers.subclassesOf(AopedService.class), Matchers.any(),
            new CustomAop());

    bind(AopedService.class);
    bind(BindService.class).to(OverriddenService.class);
    bind(BindService2.class).toInstance(new BindService2() {});
}
 

/**
 * Configures repository annotations interceptor.
 */
protected void configureAop() {
    final RepositoryMethodInterceptor proxy = new RepositoryMethodInterceptor();
    requestInjection(proxy);
    // repository specific method annotations (query, function, delegate, etc.)
    bindInterceptor(Matchers.any(), new AbstractMatcher<Method>() {
        @Override
        public boolean matches(final Method method) {
            // this will throw error if two or more annotations specified (fail fast)
            try {
                return ExtUtils.findMethodAnnotation(method) != null;
            } catch (Exception ex) {
                throw new MethodDefinitionException(String.format("Error declaration on method %s",
                        RepositoryUtils.methodToString(method)), ex);
            }
        }
    }, proxy);
}
 

@Before
public void setUp() {
  interceptor = new ServerInfoInterceptor();
  realThrift = createMock(AnnotatedAuroraAdmin.class);
  Injector injector = Guice.createInjector(new AbstractModule() {
    @Override
    protected void configure() {
      MockDecoratedThrift.bindForwardedMock(binder(), realThrift);
      bind(IServerInfo.class).toInstance(SERVER_INFO);
      AopModule.bindThriftDecorator(
          binder(),
          Matchers.annotatedWith(DecoratedThrift.class),
          interceptor);
    }
  });
  decoratedThrift = injector.getInstance(AnnotatedAuroraAdmin.class);
}
 

private void bindCrudInterceptor() {
    Multibinder<CrudActionResolver> crudActionResolverMultibinder = Multibinder.newSetBinder(binder(),
            CrudActionResolver.class);
    for (Class<? extends CrudActionResolver> crudActionResolverClass : crudActionResolverClasses) {
        crudActionResolverMultibinder.addBinding().to(crudActionResolverClass);
    }

    RequiresCrudPermissionsInterceptor requiresCrudPermissionsInterceptor = new
            RequiresCrudPermissionsInterceptor();
    requestInjection(requiresCrudPermissionsInterceptor);

    // Allows a single annotation at class level, or multiple annotations / one per method
    bindInterceptor(Matchers.annotatedWith(RequiresCrudPermissions.class), Matchers.any(),
            requiresCrudPermissionsInterceptor);
    bindInterceptor(Matchers.any(), Matchers.annotatedWith(RequiresCrudPermissions.class),
            requiresCrudPermissionsInterceptor);
}
 

@Override
protected void configure() {
    requestStaticInjection(JndiContext.class);

    // Bind default context
    Key<Context> defaultContextKey = Key.get(Context.class, Names.named("defaultContext"));
    bind(defaultContextKey).toInstance(this.defaultContext);
    bind(Context.class).to(defaultContextKey);

    // Bind additional contexts
    for (Map.Entry<String, Context> jndiContextToBeBound : jndiContextsToBeBound.entrySet()) {
        Key<Context> key = Key.get(Context.class, Names.named(jndiContextToBeBound.getKey()));
        bind(key).toInstance(jndiContextToBeBound.getValue());
    }

    bindListener(Matchers.any(), new ResourceTypeListener(this.defaultContext, this.jndiContextsToBeBound));
}
 

@Override
protected void configure() {
  bindInterceptor(Matchers.subclassesOf(Service.class), matchServiceMethod(), this);

  // Register service request scope in Guice.
  bindScope(ServiceRequestScope.class, scope);

  // Bind all contexts in service request scope. They must be explicitly seeded after the scope
  // has been entered, otherwise the UNSEEDED_KEY_PROVIDER will be called and throw an exception.
  for (Class ctx : contexts.keySet()) {
    bind(ctx).toProvider(UNSEEDED_KEY_PROVIDER).in(ServiceRequestScope.class);
  }
}
 

@SuppressWarnings("unchecked")
protected Matcher<? super Class<?>> getClassMatcher(final Class<? extends Annotation> annotation) {
    final Matcher<AnnotatedElement> res = Matchers.annotatedWith(annotation);
    return classMatcher == Matchers.any()
            // combine custom filter with annotation
            ? res : res.and((Matcher<? super AnnotatedElement>) classMatcher);
}
 

@Override
protected void configure() {
  bindListener(ClassToTypeLiteralMatcherAdapter.adapt(Matchers.annotatedWith(JmxBean.class)), new TypeListener() {
    @Override
    public <I> void hear(TypeLiteral<I> type, TypeEncounter<I> encounter) {
      final Provider<JmxExporter> exporter = encounter.getProvider(JmxExporter.class);
      encounter.register(new InjectionListener<I>() {
        @Override
        public void afterInjection(I injectee) {
          exporter.get().register(injectee);
        }
      });
    }
  });
}
 

@Override
protected void configure() {
    install(new CoreModule());
    install(new ValidationModule());
    install(new ArchaiusModule());
    install(new HealthModule());
    install(new JettyModule());
    install(new GRPCModule());

    bindInterceptor(Matchers.any(), Matchers.annotatedWith(Service.class), new ServiceInterceptor(getProvider(Validator.class)));
    bind(Configuration.class).to(SystemPropertiesDynomiteConfiguration.class);
    bind(ExecutorService.class).toProvider(ExecutorServiceProvider.class).in(Scopes.SINGLETON);
    bind(WorkflowSweeper.class).asEagerSingleton();
    bind(WorkflowMonitor.class).asEagerSingleton();
}
 

@BeforeClass
public static void setUp() throws Exception {
    Injector injector = Guice.createInjector(new ValidationModule()
            .targetClasses(Matchers.not(Matchers.annotatedWith(SuppressValidation.class))));

    matchedService = injector.getInstance(MatchedService.class);
    exceptionalService = injector.getInstance(ExceptionalService.class);
}
 

@Override
protected void configure() {
  Multibinder<ProxyEventListener> proxyListenerBinder
      = Multibinder.newSetBinder(binder(), ProxyEventListener.class);
  proxyListenerBinder.addBinding().to(TrafficLogProvider.class);

  RecordTrafficAspect recordTrafficAspect = new RecordTrafficAspect();
  requestInjection(recordTrafficAspect);
  bindInterceptor(Matchers.any(), Matchers.annotatedWith(RecordTraffic.class),
      recordTrafficAspect);
}
 

@Override
protected void configure() {
  bindInterceptor(Matchers.subclassesOf(TestEndpoint.class), Matchers.any(),
      new TestInterceptor());
  bindInterceptor(Matchers.subclassesOf(Endpoint0.class), Matchers.any(),
      new TestInterceptor());
}
 

@Override
protected void configure() {
    bindInterceptor(Matchers.any(),
            Matchers.annotatedWith(MessageSentLoggable.class),
            new MessageLogger()
    );
}
 

@Override
public <I> void hear(TypeLiteral<I> literal, TypeEncounter<I> encounter) {
    Class<? super I> type = literal.getRawType();
    for (Method method : type.getMethods()) {
        ParameterizedTimed annotation = method.getAnnotation(ParameterizedTimed.class);
        if (annotation == null) {
            continue;
        }

        String metricType = annotation.type();
        if(metricType == null || metricType.isEmpty()) {
            metricType = type.getSimpleName().replaceAll("\\$$", "");
        }
        String metricName = annotation.name();
        if(metricName == null || metricName.isEmpty()) {
            metricName = method.getName();
        }
        String metric = MetricRegistry.name(_group, metricType, metricName);
        final Timer timer = _metricRegistry.timer(metric);

        encounter.bindInterceptor(Matchers.only(method), new MethodInterceptor() {
            @Override
            public Object invoke(MethodInvocation invocation) throws Throwable {
                Timer.Context time = timer.time();
                try {
                    return invocation.proceed();
                } finally {
                    time.stop();
                }
            }
        });
    }
}