import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
private Injector configureGuice(T configuration, Environment environment) throws Exception {
  // setup our core modules...
  appModules.add(new MetricRegistryModule(environment.metrics()));
  appModules.add(new ServletModule());
  // ...and add the app's modules
  appModules.addAll(addModules(configuration, environment));

  final Injector injector = Guice.createInjector(ImmutableList.copyOf(this.appModules));

  // Taken from https://github.com/Squarespace/jersey2-guice/wiki#complex-example. HK2 is no fun.
  JerseyGuiceUtils.install((name, parent) -> {
    if (!name.startsWith("__HK2_Generated_")) {
      return null;
    }

    return injector.createChildInjector(Lists.newArrayList(new JerseyGuiceModule(name)))
        .getInstance(ServiceLocator.class);
  });

  injector.injectMembers(this);
  registerWithInjector(environment, injector);
  return injector;
}
 

import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
@Override
protected void before() {
    metadataTrustStore.create();
    countryMetadataTrustStore.create();
    clientTrustStore.create();

    JerseyGuiceUtils.reset();
    try {
        InitializationService.initialize();

        verifyMetadataServer.reset();
        verifyMetadataServer.register(VERIFY_METADATA_PATH, 200, Constants.APPLICATION_SAMLMETADATA_XML, new MetadataFactory().defaultMetadata());

        countryMetadataServer.reset();
        countryMetadataServer.register(COUNTRY_METADATA_PATH, 200, Constants.APPLICATION_SAMLMETADATA_XML, new MetadataFactory().defaultMetadata());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }

    super.before();
}
 

import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
@Override
protected Injector getInjector() {
  Injector injector = Guice.createInjector(
    Stage.PRODUCTION,
    new JerseyGuiceModule("__HK2_Generated_0"),
    new ServletModule(),
    new AppModule()
  );

  JerseyGuiceUtils.install(injector);

  return injector;
}
 

import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
public static void main(String[] args) {
    // running this method here stops the odd exceptions/double-initialisation that happens without it
    // - it's the same fix that was required in the tests...
    JerseyGuiceUtils.reset();

    new MatchingServiceAdapterApplication().runRuntimeException(args);
}
 

import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
@BeforeClass
public static void setUp() throws Exception {
    LOGGER.warn("Starting embedded mongo on port: " + PORT);
    _mongodExe = starter.prepare(new MongodConfigBuilder()
            .version(Version.Main.PRODUCTION)
            .net(new Net(PORT, Network.localhostIsIPv6()))
            .build());
    _mongod = _mongodExe.start();

    // This is needed, for now at least. Remove this when not needed. Without, we currently get:
    // java.lang.RuntimeException: java.lang.ClassNotFoundException: Provider org.glassfish.jersey.internal.RuntimeDelegateImpl could not be instantiated: java.lang.IllegalStateException: It appears there is no ServiceLocatorGenerator installed.
    // See: https://github.com/dropwizard/dropwizard/issues/1772
    JerseyGuiceUtils.install((s, serviceLocator) -> null);
}
 

import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
@BeforeClass
public void setUp() throws IOException {
  
  JerseyGuiceUtils.install(new ServiceLocatorGenerator() {
    @Override
    public ServiceLocator create(String name, ServiceLocator parent) {
      if (!name.startsWith("__HK2_")) {
        return null;
      }
      
      List<Module> modules = new ArrayList<>();
      
      modules.add(new JerseyGuiceModule(name));
      modules.add(new ServletModule());
      
      modules.add(new AbstractModule() {
        @Override
        protected void configure() {
          bind(HelloResource.class);
          
          bind(HelloService.class).toInstance(new HelloServiceImpl(DEFAULT_HELLO));
          bind(HelloService.class).annotatedWith(Names.named("simple")).toInstance(new HelloServiceImpl(NAMED_HELLO));
          bind(HelloService.class).annotatedWith(Other.class).toInstance(new HelloServiceImpl(ANNOTATED_HELLO));
        }
      });
      
      return Guice.createInjector(modules)
          .getInstance(ServiceLocator.class);
    }
  });

  SERVER = HttpServerUtils.newHttpServer(HelloResource.class);
}
 

import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
@Before
public final void curatorSetup() throws Exception {
  JerseyGuiceUtils.reset();
  singularityTestModule = new SingularityTestModule(useDBTests);

  singularityTestModule.getInjector().injectMembers(this);
  singularityTestModule.start();
}
 

import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
@AfterClass
public void tearDown() throws IOException {
  SERVER.close();
  JerseyGuiceUtils.reset();
}
 

import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
@AfterTest
public void reset() {
  JerseyGuiceUtils.reset();
}
 

import com.squarespace.jersey2.guice.JerseyGuiceUtils; //导入依赖的package包/类
@Test
public void checkAOP() throws IOException {
  
  final MyInterceptor interceptor = new MyInterceptor();
  
  final AbstractModule aopModule = new AbstractModule() {
    @Override
    protected void configure() {
      // ATTENTION: This is really important. It binds the 
      // 'MyResource' class to Guice and makes sure that HK2's
      // ServiceLocator will use Guice to instantiate it.
      bind(MyResource.class); 
      
      bindInterceptor(Matchers.any(), 
        Matchers.annotatedWith(MyAnnotation.class), 
        interceptor);
    }
  };
  
  JerseyGuiceUtils.install(new ServiceLocatorGenerator() {
    @Override
    public ServiceLocator create(String name, ServiceLocator parent) {
      if (!name.startsWith("__HK2_")) {
        return null;
      }
      
      List<Module> modules = new ArrayList<>();
      
      modules.add(new JerseyGuiceModule(name));
      modules.add(new ServletModule());
      
      modules.add(aopModule);
      
      return Guice.createInjector(modules)
          .getInstance(ServiceLocator.class);
    }
  });
  
  try (HttpServer server = HttpServerUtils.newHttpServer(MyResource.class)) {
    check();
  }
  
  assertEquals(interceptor.counter.get(), 1);
}