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

Example 1 with ProvisionException

use of com.google.inject.ProvisionException in project druid by druid-io.

the class JettyServerModule method initializeServer.

static void initializeServer(Injector injector, Lifecycle lifecycle, final Server server) {
    JettyServerInitializer initializer = injector.getInstance(JettyServerInitializer.class);
    try {
        initializer.initialize(server, injector);
    } catch (ConfigurationException e) {
        throw new ProvisionException(Iterables.getFirst(e.getErrorMessages(), null).getMessage());
    }
    lifecycle.addHandler(new Lifecycle.Handler() {

        @Override
        public void start() throws Exception {
            server.start();
        }

        @Override
        public void stop() {
            try {
                server.stop();
            } catch (Exception e) {
                log.warn(e, "Unable to stop Jetty server.");
            }
        }
    });
}

Example 2 with ProvisionException

use of com.google.inject.ProvisionException in project druid by druid-io.

the class PolyBindTest method testSanity.

@Test
public void testSanity() throws Exception {
    setUp(new Module() {

        @Override
        public void configure(Binder binder) {
            final MapBinder<String, Gogo> gogoBinder = PolyBind.optionBinder(binder, Key.get(Gogo.class));
            gogoBinder.addBinding("a").to(GoA.class);
            gogoBinder.addBinding("b").to(GoB.class);
            final MapBinder<String, GogoSally> gogoSallyBinder = PolyBind.optionBinder(binder, Key.get(GogoSally.class));
            gogoSallyBinder.addBinding("a").to(GoA.class);
            gogoSallyBinder.addBinding("b").to(GoB.class);
            PolyBind.createChoice(binder, "billy", Key.get(Gogo.class, Names.named("reverse")), Key.get(GoB.class));
            final MapBinder<String, Gogo> annotatedGogoBinder = PolyBind.optionBinder(binder, Key.get(Gogo.class, Names.named("reverse")));
            annotatedGogoBinder.addBinding("a").to(GoB.class);
            annotatedGogoBinder.addBinding("b").to(GoA.class);
        }
    });
    Assert.assertEquals("A", injector.getInstance(Gogo.class).go());
    Assert.assertEquals("B", injector.getInstance(Key.get(Gogo.class, Names.named("reverse"))).go());
    props.setProperty("billy", "b");
    Assert.assertEquals("B", injector.getInstance(Gogo.class).go());
    Assert.assertEquals("A", injector.getInstance(Key.get(Gogo.class, Names.named("reverse"))).go());
    props.setProperty("billy", "a");
    Assert.assertEquals("A", injector.getInstance(Gogo.class).go());
    Assert.assertEquals("B", injector.getInstance(Key.get(Gogo.class, Names.named("reverse"))).go());
    props.setProperty("billy", "b");
    Assert.assertEquals("B", injector.getInstance(Gogo.class).go());
    Assert.assertEquals("A", injector.getInstance(Key.get(Gogo.class, Names.named("reverse"))).go());
    props.setProperty("billy", "c");
    Assert.assertEquals("A", injector.getInstance(Gogo.class).go());
    Assert.assertEquals("B", injector.getInstance(Key.get(Gogo.class, Names.named("reverse"))).go());
    // test default property value
    Assert.assertEquals("B", injector.getInstance(GogoSally.class).go());
    props.setProperty("sally", "a");
    Assert.assertEquals("A", injector.getInstance(GogoSally.class).go());
    props.setProperty("sally", "b");
    Assert.assertEquals("B", injector.getInstance(GogoSally.class).go());
    props.setProperty("sally", "c");
    try {
        injector.getInstance(GogoSally.class).go();
        // should never be reached
        Assert.fail();
    } catch (Exception e) {
        Assert.assertTrue(e instanceof ProvisionException);
        Assert.assertTrue(e.getMessage().contains("Unknown provider[c] of Key[type=io.druid.guice.PolyBindTest$GogoSally"));
    }
}

Example 3 with ProvisionException

use of com.google.inject.ProvisionException in project druid by druid-io.

the class JsonConfigurator method configurate.

public <T> T configurate(Properties props, String propertyPrefix, Class<T> clazz) throws ProvisionException {
    verifyClazzIsConfigurable(jsonMapper, clazz);
    // Make it end with a period so we only include properties with sub-object thingies.
    final String propertyBase = propertyPrefix.endsWith(".") ? propertyPrefix : propertyPrefix + ".";
    Map<String, Object> jsonMap = Maps.newHashMap();
    for (String prop : props.stringPropertyNames()) {
        if (prop.startsWith(propertyBase)) {
            final String propValue = props.getProperty(prop);
            Object value;
            try {
                // If it's a String Jackson wants it to be quoted, so check if it's not an object or array and quote.
                String modifiedPropValue = propValue;
                if (!(modifiedPropValue.startsWith("[") || modifiedPropValue.startsWith("{"))) {
                    modifiedPropValue = jsonMapper.writeValueAsString(propValue);
                }
                value = jsonMapper.readValue(modifiedPropValue, Object.class);
            } catch (IOException e) {
                log.info(e, "Unable to parse [%s]=[%s] as a json object, using as is.", prop, propValue);
                value = propValue;
            }
            jsonMap.put(prop.substring(propertyBase.length()), value);
        }
    }
    final T config;
    try {
        config = jsonMapper.convertValue(jsonMap, clazz);
    } catch (IllegalArgumentException e) {
        throw new ProvisionException(String.format("Problem parsing object at prefix[%s]: %s.", propertyPrefix, e.getMessage()), e);
    }
    final Set<ConstraintViolation<T>> violations = validator.validate(config);
    if (!violations.isEmpty()) {
        List<String> messages = Lists.newArrayList();
        for (ConstraintViolation<T> violation : violations) {
            String path = "";
            try {
                Class<?> beanClazz = violation.getRootBeanClass();
                final Iterator<Path.Node> iter = violation.getPropertyPath().iterator();
                while (iter.hasNext()) {
                    Path.Node next = iter.next();
                    if (next.getKind() == ElementKind.PROPERTY) {
                        final String fieldName = next.getName();
                        final Field theField = beanClazz.getDeclaredField(fieldName);
                        if (theField.getAnnotation(JacksonInject.class) != null) {
                            path = String.format(" -- Injected field[%s] not bound!?", fieldName);
                            break;
                        }
                        JsonProperty annotation = theField.getAnnotation(JsonProperty.class);
                        final boolean noAnnotationValue = annotation == null || Strings.isNullOrEmpty(annotation.value());
                        final String pathPart = noAnnotationValue ? fieldName : annotation.value();
                        if (path.isEmpty()) {
                            path += pathPart;
                        } else {
                            path += "." + pathPart;
                        }
                    }
                }
            } catch (NoSuchFieldException e) {
                throw Throwables.propagate(e);
            }
            messages.add(String.format("%s - %s", path, violation.getMessage()));
        }
        throw new ProvisionException(Iterables.transform(messages, new Function<String, Message>() {

            @Override
            public Message apply(String input) {
                return new Message(String.format("%s%s", propertyBase, input));
            }
        }));
    }
    log.info("Loaded class[%s] from props[%s] as [%s]", clazz, propertyBase, config);
    return config;
}

Example 4 with ProvisionException

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

the class MultibinderTest method testMultibinderSetShowsBothElementsIfToStringDifferent.

public void testMultibinderSetShowsBothElementsIfToStringDifferent() {
    // considers.
    class ValueType {

        int a;

        int b;

        ValueType(int a, int b) {
            this.a = a;
            this.b = b;
        }

        @Override
        public boolean equals(Object obj) {
            return (obj instanceof ValueType) && (((ValueType) obj).a == a);
        }

        @Override
        public int hashCode() {
            return a;
        }

        @Override
        public String toString() {
            return String.format("ValueType(%d,%d)", a, b);
        }
    }
    Module module1 = new AbstractModule() {

        protected void configure() {
            final Multibinder<ValueType> multibinder = Multibinder.newSetBinder(binder(), ValueType.class);
            multibinder.addBinding().toProvider(Providers.of(new ValueType(1, 2)));
        }
    };
    Module module2 = new AbstractModule() {

        protected void configure() {
            final Multibinder<ValueType> multibinder = Multibinder.newSetBinder(binder(), ValueType.class);
            multibinder.addBinding().toInstance(new ValueType(1, 3));
        }
    };
    Injector injector = Guice.createInjector(module1, module2);
    TypeLiteral<ValueType> valueType = TypeLiteral.get(ValueType.class);
    TypeLiteral<Set<ValueType>> setOfValueType = new TypeLiteral<Set<ValueType>>() {
    };
    TypeLiteral<Collection<Provider<ValueType>>> collectionOfProvidersOfValueType = new TypeLiteral<Collection<Provider<ValueType>>>() {
    };
    try {
        injector.getInstance(Key.get(setOfValueType));
        fail();
    } catch (ProvisionException expected) {
        assertContains(expected.getMessage(), "1) Set injection failed due to multiple elements comparing equal:", "\"ValueType(1,2)\"", "bound at " + module1.getClass().getName(), "\"ValueType(1,3)\"", "bound at " + module2.getClass().getName());
    }
    // But we can still visit the module!
    assertSetVisitor(Key.get(setOfValueType), Key.get(collectionOfProvidersOfValueType), valueType, setOf(module1, module2), MODULE, false, 0, instance(new ValueType(1, 2)), instance(new ValueType(1, 3)));
}

Example 5 with ProvisionException

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

the class MapBinderTest method testMapBinderMapForbidsNullValues.

public void testMapBinderMapForbidsNullValues() {
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            MapBinder.newMapBinder(binder(), String.class, String.class).addBinding("null").toProvider(Providers.<String>of(null));
        }
    });
    try {
        injector.getInstance(Key.get(mapOfString));
        fail();
    } catch (ProvisionException expected) {
        assertContains(expected.getMessage(), "1) Map injection failed due to null value for key \"null\"");
    }
}