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

Example 6 with Key

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

the class SpiBindingsTest method testExtensionSpi.

public void testExtensionSpi() {
    final AtomicBoolean visiting = new AtomicBoolean(false);
    final Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            bind(String.class).toProvider(new ProviderWithExtensionVisitor<String>() {

                @Override
                public <B, V> V acceptExtensionVisitor(BindingTargetVisitor<B, V> visitor, ProviderInstanceBinding<? extends B> binding) {
                    assertSame(this, binding.getUserSuppliedProvider());
                    // to process the binding as normal
                    if (visiting.get()) {
                        assertTrue("visitor: " + visitor, visitor instanceof FailingSpiTargetVisitor);
                        return (V) "visited";
                    } else {
                        return visitor.visit(binding);
                    }
                }

                @Override
                public String get() {
                    return "FooBar";
                }
            });
        }
    });
    visiting.set(true);
    // Check for Provider<String> binding -- that is still a ProviderBinding.
    Key<Provider<String>> providerOfStringKey = new Key<Provider<String>>() {
    };
    Binding<Provider<String>> providerBinding = injector.getBinding(providerOfStringKey);
    assertEquals(providerOfStringKey, providerBinding.getKey());
    checkBindingSource(providerBinding);
    assertTrue("binding: " + providerBinding, providerBinding instanceof ProviderBinding);
    providerBinding.acceptTargetVisitor(new FailingTargetVisitor<Provider<String>>() {

        @Override
        public Void visit(ProviderBinding<? extends Provider<String>> binding) {
            assertEquals(Key.get(String.class), binding.getProvidedKey());
            return null;
        }
    });
    // Check for String binding -- that one is ProviderInstanceBinding, and gets hooked
    Binding<String> binding = injector.getBinding(String.class);
    assertEquals(Key.get(String.class), binding.getKey());
    checkBindingSource(binding);
    assertTrue(binding instanceof ProviderInstanceBinding);
    assertEquals("visited", binding.acceptTargetVisitor(new FailingSpiTargetVisitor<String>()));
}

Example 7 with Key

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

the class DaggerAdapterTest method testSetBindings.

public void testSetBindings() {
    Injector i = Guice.createInjector(DaggerAdapter.from(new SetBindingDaggerModule1(), new SetBindingDaggerModule2()));
    assertEquals(ImmutableSet.of(3, 5), i.getInstance(new Key<Set<Integer>>() {
    }));
}

Example 8 with Key

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

the class DaggerAdapterTest method testSetBindingsWithGuiceModule.

public void testSetBindingsWithGuiceModule() {
    Injector i = Guice.createInjector(new MultibindingGuiceModule(), DaggerAdapter.from(new SetBindingDaggerModule1(), new SetBindingDaggerModule2()));
    assertEquals(ImmutableSet.of(13, 3, 5, 8), i.getInstance(new Key<Set<Integer>>() {
    }));
}

Example 9 with Key

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

the class ServletScopesTest method testIsRequestScopedNegative.

public void testIsRequestScopedNegative() {
    final Key<String> a = Key.get(String.class, named("A"));
    final Key<String> b = Key.get(String.class, named("B"));
    final Key<String> c = Key.get(String.class, named("C"));
    final Key<String> d = Key.get(String.class, named("D"));
    final Key<String> e = Key.get(String.class, named("E"));
    final Key<String> f = Key.get(String.class, named("F"));
    final Key<String> g = Key.get(String.class, named("G"));
    final Key<String> h = Key.get(String.class, named("H"));
    final Key<String> i = Key.get(String.class, named("I"));
    final Key<String> j = Key.get(String.class, named("J"));
    Module requestScopedBindings = new AbstractModule() {

        @Override
        protected void configure() {
            bind(a).to(b);
            bind(b).to(c);
            bind(c).toProvider(Providers.of("c")).in(Scopes.NO_SCOPE);
            bind(d).toInstance("d");
            bind(e).toProvider(Providers.of("e")).asEagerSingleton();
            bind(f).toProvider(Providers.of("f")).in(Scopes.SINGLETON);
            bind(g).toProvider(Providers.of("g")).in(Singleton.class);
            bind(h).toProvider(Providers.of("h")).in(CustomScoped.class);
            bindScope(CustomScoped.class, Scopes.NO_SCOPE);
            install(new PrivateModule() {

                @Override
                protected void configure() {
                    bind(i).toProvider(Providers.of("i")).in(CustomScoped.class);
                    expose(i);
                }
            });
        }

        @Provides
        @Named("J")
        @CustomScoped
        String provideJ() {
            return "j";
        }
    };
    // we know the module contains only bindings
    @SuppressWarnings("unchecked") List<Element> moduleBindings = Elements.getElements(requestScopedBindings);
    ImmutableMap<Key<?>, Binding<?>> map = indexBindings(moduleBindings);
    assertFalse(ServletScopes.isRequestScoped(map.get(a)));
    assertFalse(ServletScopes.isRequestScoped(map.get(b)));
    assertFalse(ServletScopes.isRequestScoped(map.get(c)));
    assertFalse(ServletScopes.isRequestScoped(map.get(d)));
    assertFalse(ServletScopes.isRequestScoped(map.get(e)));
    assertFalse(ServletScopes.isRequestScoped(map.get(f)));
    assertFalse(ServletScopes.isRequestScoped(map.get(g)));
    assertFalse(ServletScopes.isRequestScoped(map.get(h)));
    assertFalse(ServletScopes.isRequestScoped(map.get(i)));
    assertFalse(ServletScopes.isRequestScoped(map.get(j)));
    Injector injector = Guice.createInjector(requestScopedBindings);
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(a)));
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(b)));
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(c)));
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(d)));
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(e)));
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(f)));
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(g)));
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(h)));
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(i)));
    assertFalse(ServletScopes.isRequestScoped(injector.getBinding(j)));
}

Example 10 with Key

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

the class ServletScopesTest method indexBindings.

private ImmutableMap<Key<?>, Binding<?>> indexBindings(Iterable<Element> elements) {
    ImmutableMap.Builder<Key<?>, Binding<?>> builder = ImmutableMap.builder();
    for (Element element : elements) {
        if (element instanceof Binding) {
            Binding<?> binding = (Binding<?>) element;
            builder.put(binding.getKey(), binding);
        } else if (element instanceof PrivateElements) {
            PrivateElements privateElements = (PrivateElements) element;
            Map<Key<?>, Binding<?>> privateBindings = indexBindings(privateElements.getElements());
            for (Key<?> exposed : privateElements.getExposedKeys()) {
                builder.put(exposed, privateBindings.get(exposed));
            }
        }
    }
    return builder.build();
}