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

Example 66 with Binder

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

the class FactoryProvider2 method getBindingFromNewInjector.

/**
   * Creates a child injector that binds the args, and returns the binding for the method's result.
   */
public Binding<?> getBindingFromNewInjector(final Method method, final Object[] args, final AssistData data) {
    checkState(injector != null, "Factories.create() factories cannot be used until they're initialized by Guice.");
    final Key<?> returnType = data.returnType;
    // We ignore any pre-existing binding annotation.
    final Key<?> returnKey = Key.get(returnType.getTypeLiteral(), RETURN_ANNOTATION);
    Module assistedModule = new AbstractModule() {

        @Override
        @SuppressWarnings({ "unchecked", // raw keys are necessary for the args array and return value
        "rawtypes" })
        protected void configure() {
            Binder binder = binder().withSource(method);
            int p = 0;
            if (!data.optimized) {
                for (Key<?> paramKey : data.paramTypes) {
                    // Wrap in a Provider to cover null, and to prevent Guice from injecting the parameter
                    binder.bind((Key) paramKey).toProvider(Providers.of(args[p++]));
                }
            } else {
                for (Key<?> paramKey : data.paramTypes) {
                    // Bind to our ThreadLocalProviders.
                    binder.bind((Key) paramKey).toProvider(data.providers.get(p++));
                }
            }
            Constructor constructor = data.constructor;
            // message for the user.
            if (constructor != null) {
                binder.bind(returnKey).toConstructor(constructor, (TypeLiteral) data.implementationType).in(// make sure we erase any scope on the implementation type
                Scopes.NO_SCOPE);
            }
        }
    };
    Injector forCreate = injector.createChildInjector(assistedModule);
    Binding<?> binding = forCreate.getBinding(returnKey);
    // If we have providers cached in data, cache the binding for future optimizations.
    if (data.optimized) {
        data.cachedBinding = binding;
    }
    return binding;
}

Example 67 with Binder

use of com.google.inject.Binder in project graylog2-server by Graylog2.

the class CmdLineTool method run.

@Override
public void run() {
    final Level logLevel = setupLogger();
    final PluginBindings pluginBindings = installPluginConfigAndBindings(getPluginPath(configFile), chainingClassLoader);
    if (isDumpDefaultConfig()) {
        dumpDefaultConfigAndExit();
    }
    final NamedConfigParametersModule configModule = readConfiguration(configFile);
    if (isDumpConfig()) {
        dumpCurrentConfigAndExit();
    }
    if (!validateConfiguration()) {
        LOG.error("Validating configuration file failed - exiting.");
        System.exit(1);
    }
    beforeStart();
    final List<String> arguments = ManagementFactory.getRuntimeMXBean().getInputArguments();
    LOG.info("Running with JVM arguments: {}", Joiner.on(' ').join(arguments));
    injector = setupInjector(configModule, pluginBindings, binder -> binder.bind(ChainingClassLoader.class).toInstance(chainingClassLoader));
    if (injector == null) {
        LOG.error("Injector could not be created, exiting! (Please include the previous error messages in bug reports.)");
        System.exit(1);
    }
    // This is holding all our metrics.
    final MetricRegistry metrics = injector.getInstance(MetricRegistry.class);
    addInstrumentedAppender(metrics, logLevel);
    // Report metrics via JMX.
    final JmxReporter reporter = JmxReporter.forRegistry(metrics).build();
    reporter.start();
    startCommand();
}