com.google.inject.servlet.GuiceServletContextListener Java Examples

@Before
public void startJetty() throws Exception {
  servletTester = new ServletTester();
  servletTester.getContext().addEventListener(new GuiceServletContextListener()
  {
    final Injector injector = Guice.createInjector(new TestModule());

    @Override
    protected Injector getInjector() {
      return injector;
    }
  });

  url = servletTester.createConnector(true) + TestModule.MOUNT_POINT;
  servletTester.addFilter(GuiceFilter.class, "/*", EnumSet.of(DispatcherType.REQUEST));
  servletTester.addServlet(DummyServlet.class, "/*");
  servletTester.start();

  client = ClientBuilder.newClient();
}
 

public static void main(String[] args) throws Exception {
  Server server = new Server(HTTP_PORT);

  ServletContextHandler context = new ServletContextHandler(server, "/", SESSIONS);

  context.addEventListener(
      new GuiceServletContextListener() {
        @Override
        protected Injector getInjector() {
          return Guice.createInjector(
              new ServletModule() {
                @Override
                protected void configureServlets() {
                  serve("/graphql").with(GraphQlServlet.class);
                }
              },
              new DataLoaderModule(),
              new SchemaProviderModule(), // Part of Rejoiner framework (Provides `@Schema
              // GraphQLSchema`)
              new ClientModule(), // Installs all of the client modules
              new SchemaModule() // Installs all of the schema modules
              );
        }
      });

  context.addFilter(GuiceFilter.class, "/*", EnumSet.of(REQUEST, ASYNC));

  context.setBaseResource(
      new PathResource(new File("./src/main/resources").toPath().toRealPath()));
  context.addServlet(DefaultServlet.class, "/");
  server.start();
  logger.info("Server running on port " + HTTP_PORT);
  server.join();
}
 

private void createServletEventListener(Environment environment, final Injector injector) {
    environment.getApplicationContext().addEventListener(new GuiceServletContextListener() {
        @Override
        protected Injector getInjector() {
            return injector;
        }
    });
}
 

@Before
public void setUp() throws Exception {

    // starts the server with a random port
    jettyServer = new Server(0);

    WebAppContext bpCtrlWebapp = new WebAppContext();
    bpCtrlWebapp.setResourceBase("./src/main/java");
    bpCtrlWebapp.setParentLoaderPriority(true);

    bpCtrlWebapp.addFilter(GuiceFilter.class, "/*", null);
    bpCtrlWebapp.addEventListener(new GuiceServletContextListener() {

        private Injector injector;

        @Override
        public void contextInitialized(ServletContextEvent servletContextEvent) {
            injector = Guice.createInjector(getServletTestModule());
            super.contextInitialized(servletContextEvent);
        }

        @Override
        protected Injector getInjector() {
            return injector;
        }
    });

    jettyServer.setHandler(bpCtrlWebapp);

    jettyServer.start();

    int port = ((ServerConnector) jettyServer.getConnectors()[0]).getLocalPort();
    serverUrl = String.format("http://localhost:%d", port);
}
 

@Override
public void run(final T configuration, final Environment environment) throws Exception {
  for (DropwizardAwareModule<T> dropwizardAwareModule : dropwizardAwareModules) {
    dropwizardAwareModule.setBootstrap(bootstrap);
    dropwizardAwareModule.setConfiguration(configuration);
    dropwizardAwareModule.setEnvironment(environment);
  }

  final DropwizardModule dropwizardModule = new DropwizardModule(environment);
  // We assume that the next service locator will be the main application one
  final String serviceLocatorName = getNextServiceLocatorName();
  ImmutableSet.Builder<Module> modulesBuilder =
      ImmutableSet.<Module>builder()
          .addAll(guiceModules)
          .addAll(dropwizardAwareModules)
          .add(new ServletModule())
          .add(dropwizardModule)
          .add(new JerseyGuiceModule(serviceLocatorName))
          .add(new JerseyGuicierModule())
          .add(binder -> {
            binder.bind(Environment.class).toInstance(environment);
            binder.bind(configClass).toInstance(configuration);
          });
  if (enableGuiceEnforcer) {
    modulesBuilder.add(new GuiceEnforcerModule());
  }
  this.injector = injectorFactory.create(guiceStage, modulesBuilder.build());

  JerseyGuiceUtils.install((name, parent) -> {
    if (!name.startsWith("__HK2_")) {
      return null;
    } else if (serviceLocatorName.equals(name)) {
      return injector.getInstance(ServiceLocator.class);
    } else {
      LOG.debug("Returning a new ServiceLocator for name '{}'", name);
      return JerseyGuiceUtils.newServiceLocator(name, parent);
    }
  });

  dropwizardModule.register(injector);

  environment.servlets().addFilter("Guice Filter", GuiceFilter.class).addMappingForUrlPatterns(null, false, "/*");
  environment.servlets().addServletListeners(new GuiceServletContextListener() {

    @Override
    protected Injector getInjector() {
      return injector;
    }
  });
}
 

public void startWebSocketServer(final Injector injector) {
  httpServer = new Server();

  List<Connector> connectors = getSelectChannelConnectors(httpAddresses);
  if (connectors.isEmpty()) {
    LOG.severe("No valid http end point address provided!");
  }
  for (Connector connector : connectors) {
    httpServer.addConnector(connector);
  }
  final WebAppContext context = new WebAppContext();

  context.setParentLoaderPriority(true);

  if (jettySessionManager != null) {
    // This disables JSessionIDs in URLs redirects
    // see: http://stackoverflow.com/questions/7727534/how-do-you-disable-jsessionid-for-jetty-running-with-the-eclipse-jetty-maven-plu
    // and: http://jira.codehaus.org/browse/JETTY-467?focusedCommentId=114884&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-114884
    jettySessionManager.setSessionIdPathParameterName(null);

    context.getSessionHandler().setSessionManager(jettySessionManager);
  }
  final ResourceCollection resources = new ResourceCollection(resourceBases);
  context.setBaseResource(resources);

  addWebSocketServlets();

  try {

    final ServletModule servletModule = getServletModule();

    ServletContextListener contextListener = new GuiceServletContextListener() {

      private final Injector childInjector = injector.createChildInjector(servletModule);

      @Override
      protected Injector getInjector() {
        return childInjector;
      }
    };

    context.addEventListener(contextListener);
    context.addFilter(GuiceFilter.class, "/*", EnumSet.allOf(DispatcherType.class));
    context.addFilter(GzipFilter.class, "/webclient/*", EnumSet.allOf(DispatcherType.class));
    httpServer.setHandler(context);

    httpServer.start();
    restoreSessions();

  } catch (Exception e) { // yes, .start() throws "Exception"
    LOG.severe("Fatal error starting http server.", e);
    return;
  }
  LOG.fine("WebSocket server running.");
}
 

public void start() throws Exception {
    ((ServerConnector) server.getConnectors()[0]).setReuseAddress(true);

    // Root context
    context.setContextPath("/abnormal");

    // Setup static content
    context.setResourceBase("src/main/webapp/");
    context.addServlet(DefaultServlet.class, "/");

    // Enable Jersey debug output
    context.setInitParameter("com.sun.jersey.config.statistic.Trace", "true");

    // Enable CORS - cross origin resource sharing
    FilterHolder cors = new FilterHolder();
    cors.setInitParameter("allowedOrigins", "https?://localhost:*, https?://*.e-navigation.net:*");
    cors.setInitParameter("allowedHeaders", "*");
    cors.setInitParameter("allowedMethods", "OPTIONS,GET,PUT,POST,DELETE,HEAD");
    cors.setFilter(new CrossOriginFilter());
    context.addFilter(cors, "*", EnumSet.of(DispatcherType.REQUEST, DispatcherType.ASYNC, DispatcherType.INCLUDE));

    // Little hack to satisfy OpenLayers URLs in DMA context
    RewritePatternRule openlayersRewriteRule = new RewritePatternRule();
    openlayersRewriteRule.setPattern("/abnormal/theme/*");
    openlayersRewriteRule.setReplacement("/abnormal/js/theme/");

    RewriteHandler rewrite = new RewriteHandler();
    rewrite.setRewriteRequestURI(true);
    rewrite.setRewritePathInfo(false);
    rewrite.setOriginalPathAttribute("requestedPath");
    rewrite.addRule(openlayersRewriteRule);
    rewrite.setHandler(context);
    server.setHandler(rewrite);

    // Setup Guice-Jersey integration
    context.addEventListener(new GuiceServletContextListener() {
        @Override
        protected Injector getInjector() {
            return Guice.createInjector(new RestModule(
                    repositoryName,
                    pathToEventDatabase,
                    eventRepositoryType,
                    eventDataDbHost,
                    eventDataDbPort,
                    eventDataDbName,
                    eventDataDbUsername,
                    eventDataDbPassword
            ));
        }
    });
    context.addFilter(com.google.inject.servlet.GuiceFilter.class, "/rest/*", EnumSet.allOf(DispatcherType.class));

    // Start the server
    server.start();
}