Examples with MembersInjector com.google.inject.MembersInjector used on opensource projects

Example 1 with MembersInjector

use of com.google.inject.MembersInjector in project roboguice by roboguice.

the class ElementsTest method testElementInitialization.

public void testElementInitialization() {
    final AtomicReference<Provider<String>> providerFromBinder = new AtomicReference<Provider<String>>();
    final AtomicReference<MembersInjector<String>> membersInjectorFromBinder = new AtomicReference<MembersInjector<String>>();
    final AtomicReference<String> lastInjected = new AtomicReference<String>();
    final MembersInjector<String> stringInjector = new MembersInjector<String>() {

        public void injectMembers(String instance) {
            lastInjected.set(instance);
        }
    };
    checkModule(new AbstractModule() {

        protected void configure() {
            providerFromBinder.set(getProvider(String.class));
            membersInjectorFromBinder.set(getMembersInjector(String.class));
        }
    }, new FailingElementVisitor() {

        public <T> Void visit(ProviderLookup<T> providerLookup) {
            // we know that T is a String here
            @SuppressWarnings("unchecked") ProviderLookup<String> stringLookup = (ProviderLookup<String>) providerLookup;
            stringLookup.initializeDelegate(Providers.of("out"));
            assertEquals("out", providerFromBinder.get().get());
            return null;
        }
    }, new FailingElementVisitor() {

        @Override
        public <T> Void visit(MembersInjectorLookup<T> lookup) {
            // we know that T is a String here
            @SuppressWarnings("unchecked") MembersInjectorLookup<String> stringLookup = (MembersInjectorLookup<String>) lookup;
            stringLookup.initializeDelegate(stringInjector);
            membersInjectorFromBinder.get().injectMembers("in");
            assertEquals("in", lastInjected.get());
            return null;
        }
    });
}

Example 2 with MembersInjector

use of com.google.inject.MembersInjector in project guice by google.

the class ElementsTest method testElementInitialization.

public void testElementInitialization() {
    final AtomicReference<Provider<String>> providerFromBinder = new AtomicReference<Provider<String>>();
    final AtomicReference<MembersInjector<String>> membersInjectorFromBinder = new AtomicReference<MembersInjector<String>>();
    final AtomicReference<String> lastInjected = new AtomicReference<String>();
    final MembersInjector<String> stringInjector = new MembersInjector<String>() {

        @Override
        public void injectMembers(String instance) {
            lastInjected.set(instance);
        }
    };
    checkModule(new AbstractModule() {

        @Override
        protected void configure() {
            providerFromBinder.set(getProvider(String.class));
            membersInjectorFromBinder.set(getMembersInjector(String.class));
        }
    }, new FailingElementVisitor() {

        @Override
        public <T> Void visit(ProviderLookup<T> providerLookup) {
            // we know that T is a String here
            @SuppressWarnings("unchecked") ProviderLookup<String> stringLookup = (ProviderLookup<String>) providerLookup;
            stringLookup.initializeDelegate(Providers.of("out"));
            assertEquals("out", providerFromBinder.get().get());
            return null;
        }
    }, new FailingElementVisitor() {

        @Override
        public <T> Void visit(MembersInjectorLookup<T> lookup) {
            // we know that T is a String here
            @SuppressWarnings("unchecked") MembersInjectorLookup<String> stringLookup = (MembersInjectorLookup<String>) lookup;
            stringLookup.initializeDelegate(stringInjector);
            membersInjectorFromBinder.get().injectMembers("in");
            assertEquals("in", lastInjected.get());
            return null;
        }
    });
}

Example 3 with MembersInjector

use of com.google.inject.MembersInjector in project guice by google.

the class InjectorImpl method injectMembers.

@Override
// the members injector type is consistent with instance's type
@SuppressWarnings("unchecked")
public void injectMembers(Object instance) {
    MembersInjector membersInjector = getMembersInjector(instance.getClass());
    membersInjector.injectMembers(instance);
}

Example 4 with MembersInjector

use of com.google.inject.MembersInjector in project guice by google.

the class InjectorImpl method createMembersInjectorBinding.

private <T> BindingImpl<MembersInjector<T>> createMembersInjectorBinding(Key<MembersInjector<T>> key, Errors errors) throws ErrorsException {
    Type membersInjectorType = key.getTypeLiteral().getType();
    if (!(membersInjectorType instanceof ParameterizedType)) {
        throw errors.cannotInjectRawMembersInjector().toException();
    }
    // safe because T came from Key<MembersInjector<T>>
    @SuppressWarnings("unchecked") TypeLiteral<T> instanceType = (TypeLiteral<T>) TypeLiteral.get(((ParameterizedType) membersInjectorType).getActualTypeArguments()[0]);
    MembersInjector<T> membersInjector = membersInjectorStore.get(instanceType, errors);
    InternalFactory<MembersInjector<T>> factory = new ConstantFactory<MembersInjector<T>>(Initializables.of(membersInjector));
    return new InstanceBindingImpl<MembersInjector<T>>(this, key, SourceProvider.UNKNOWN_SOURCE, factory, ImmutableSet.<InjectionPoint>of(), membersInjector);
}

Example 5 with MembersInjector

use of com.google.inject.MembersInjector in project camel by apache.

the class GuiceyFruitModule method configure.

protected void configure() {
    // lets find all of the configures methods
    List<Method> configureMethods = getConfiguresMethods();
    if (!configureMethods.isEmpty()) {
        final GuiceyFruitModule moduleInstance = this;
        final Class<? extends GuiceyFruitModule> moduleType = getClass();
        TypeLiteral<? extends GuiceyFruitModule> type = TypeLiteral.get(moduleType);
        for (final Method method : configureMethods) {
            int size = method.getParameterTypes().length;
            if (size == 0) {
                throw new ProvisionException("No arguments on @Configures method " + method);
            } else if (size > 1) {
                throw new ProvisionException("Too many arguments " + size + " on @Configures method " + method);
            }
            final Class<?> paramType = getParameterType(type, method, 0);
            bindListener(new AbstractMatcher<TypeLiteral<?>>() {

                public boolean matches(TypeLiteral<?> typeLiteral) {
                    return typeLiteral.getRawType().equals(paramType);
                }
            }, new TypeListener() {

                public <I> void hear(TypeLiteral<I> injectableType, TypeEncounter<I> encounter) {
                    encounter.register(new MembersInjector<I>() {

                        public void injectMembers(I injectee) {
                            // lets invoke the configures method
                            try {
                                method.setAccessible(true);
                                method.invoke(moduleInstance, injectee);
                            } catch (IllegalAccessException e) {
                                throw new ProvisionException("Failed to invoke @Configures method " + method + ". Reason: " + e, e);
                            } catch (InvocationTargetException ie) {
                                Throwable e = ie.getTargetException();
                                throw new ProvisionException("Failed to invoke @Configures method " + method + ". Reason: " + e, e);
                            }
                        }
                    });
                }
            });
        }
    }
}