@Override
  public boolean bind(Class<?> component, Set<Class<?>> providerContracts) {
    if (injector != null) {
      Key<?> key = Key.get(component);
      Binding<?> binding = injector.getExistingBinding(key);

      // Does the constructor require Guice Binding?
      if (binding == null) {
        binding = injector.getBinding(key);
      }

      DynamicConfiguration c = Injections.getConfiguration(locator);
      ServiceBindingBuilder bb =
          Injections.newFactoryBinder(new GuiceBindingComponentFactory(binding));
      bb.to(component);
      Injections.addBinding(bb, c);
      c.commit();
      return true;
    }

    return false;
  }
Esempio n. 2
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  @SuppressWarnings({"unchecked", "rawtypes"})
  public Task<Void> start() {

    // Ensuring that jersey will use singletons from the orbit container.
    ServiceLocator locator = Injections.createLocator();
    DynamicConfigurationService dcs = locator.getService(DynamicConfigurationService.class);
    DynamicConfiguration dc = dcs.createDynamicConfiguration();

    final List<Class<?>> classes = new ArrayList<>(providers);
    if (container != null) {
      classes.addAll(container.getClasses());
      for (final Class<?> c : container.getClasses()) {
        if (c.isAnnotationPresent(Singleton.class)) {
          Injections.addBinding(
              Injections.newFactoryBinder(
                      new Factory() {
                        @Override
                        public Object provide() {
                          return container.get(c);
                        }

                        @Override
                        public void dispose(final Object instance) {}
                      })
                  .to(c),
              dc);
        }
      }
    }
    dc.commit();

    final ResourceConfig resourceConfig = new ResourceConfig();

    // installing jax-rs classes known by the orbit container.
    for (final Class c : classes) {
      if (c.isAnnotationPresent(javax.ws.rs.Path.class)
          || c.isAnnotationPresent(javax.ws.rs.ext.Provider.class)) {
        resourceConfig.register(c);
      }
    }

    final WebAppContext webAppContext = new WebAppContext();
    final ProtectionDomain protectionDomain = EmbeddedHttpServer.class.getProtectionDomain();
    final URL location = protectionDomain.getCodeSource().getLocation();
    logger.info(location.toExternalForm());
    webAppContext.setInitParameter("useFileMappedBuffer", "false");
    webAppContext.setWar(location.toExternalForm());
    // this sets the default service locator to one that bridges to the orbit container.
    webAppContext.getServletContext().setAttribute(ServletProperties.SERVICE_LOCATOR, locator);
    webAppContext.setContextPath("/*");
    webAppContext.addServlet(new ServletHolder(new ServletContainer(resourceConfig)), "/*");

    final ContextHandler resourceContext = new ContextHandler();
    ResourceHandler resourceHandler = new ResourceHandler();
    resourceHandler.setDirectoriesListed(true);
    resourceHandler.setWelcomeFiles(new String[] {"index.html"});
    resourceHandler.setBaseResource(Resource.newClassPathResource("/web"));

    resourceContext.setHandler(resourceHandler);
    resourceContext.setInitParameter("useFileMappedBuffer", "false");
    final ContextHandlerCollection contexts = new ContextHandlerCollection();

    contexts.setHandlers(
        new Handler[] {
          wrapHandlerWithMetrics(resourceContext, "resourceContext"),
          wrapHandlerWithMetrics(webAppContext, "webAppContext")
        });

    server = new Server(port);
    server.setHandler(contexts);
    try {
      /// Initialize javax.websocket layer
      final ServerContainer serverContainer =
          WebSocketServerContainerInitializer.configureContext(webAppContext);

      for (Class c : classes) {
        if (c.isAnnotationPresent(ServerEndpoint.class)) {
          final ServerEndpoint annotation = (ServerEndpoint) c.getAnnotation(ServerEndpoint.class);

          final ServerEndpointConfig serverEndpointConfig =
              ServerEndpointConfig.Builder.create(c, annotation.value())
                  .configurator(
                      new ServerEndpointConfig.Configurator() {
                        @Override
                        public <T> T getEndpointInstance(final Class<T> endpointClass)
                            throws InstantiationException {
                          return container.get(endpointClass);
                        }
                      })
                  .build();

          serverContainer.addEndpoint(serverEndpointConfig);
        }
      }
    } catch (Exception e) {
      logger.error("Error starting jetty", e);
      throw new UncheckedException(e);
    }

    try {
      server.start();
    } catch (Exception e) {
      logger.error("Error starting jetty", e);
      throw new UncheckedException(e);
    }
    return Task.done();
  }