Java SpeechletServlet类代码示例

import com.amazon.speech.speechlet.servlet.SpeechletServlet; //导入依赖的package包/类
/**
 * Registers the {@link SpeechletServlet} at the application.
 *
 * @param speechlet Speechlet.
 * @return Registration.
 */
@Bean
public ServletRegistrationBean alexaServlet(WarehouseSpeechlet speechlet) {
    SpeechletServlet speechServlet = new SpeechletServlet();
    speechServlet.setSpeechlet(speechlet);

    ServletRegistrationBean servlet = new ServletRegistrationBean(speechServlet, "/alexa");
    servlet.setName("alexa");

    return servlet;
}
 

import com.amazon.speech.speechlet.servlet.SpeechletServlet; //导入依赖的package包/类
public SpeechletServletDispatcher(SpeechletHandlerHolder handler) {
  this.handler = handler;

  try {
    Field field = SpeechletServlet.class.getDeclaredField("speechletRequestHandler");
    field.setAccessible(true);
    field.set(this, new LoggingServletSpeechletRequestHandler());
    field.setAccessible(false);
  }catch (Exception e){
    throw new RuntimeException("Could set logging aspect!", e);
  }

  this.setSpeechlet(this);
}
 

import com.amazon.speech.speechlet.servlet.SpeechletServlet; //导入依赖的package包/类
private void configure(ServletContext ctx, String endpoint, SpeechletHandlerHolder handler) {
  final SpeechletServlet servlet = new SpeechletServletDispatcher(handler);

  ServletRegistration.Dynamic serviceServlet = ctx.addServlet("SpeechletServlet_" + (servletCount++), servlet);
  serviceServlet.addMapping(endpoint);
}
 

import com.amazon.speech.speechlet.servlet.SpeechletServlet; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
    System.setProperty(Sdk.DISABLE_REQUEST_SIGNATURE_CHECK_SYSTEM_PROPERTY, "true");

    String envPort = System.getenv("PORT");
    int port = envPort == null || envPort.isEmpty() ? 8000 : Integer.valueOf(envPort);


    // Configure server and its associated servlets
    Server server = new Server(port);

    ServletContextHandler context = new ServletContextHandler();
    context.addEventListener(new GuiceServletContextListener() {
        @Override
        protected Injector getInjector() {
            Module services = new AbstractModule() {
                @Override
                protected void configure() {
                    bind(SpeechRouter.class).toProvider(new Provider<SpeechRouter>() {
                        @Inject Injector injector;

                        @Override
                        public SpeechRouter get() {
                            try {
                                return SpeechRouter.create(injector, "rottentomatoes");
                            } catch (Exception e) {
                                e.printStackTrace();
                                return null;
                            }
                        }
                    }).in(Singleton.class);
                    bind(AlexaSessionProvider.class).in(RequestScoped.class);
                    bind(RequestContextProvider.class).in(RequestScoped.class);
                    bind(SpeechletServlet.class).toProvider(new Provider<SpeechletServlet>() {
                        @Inject SpeechRouter router;
                        @Inject Injector injector;

                        @Override
                        public SpeechletServlet get() {
                            SpeechletServlet servlet = new SpeechletServlet();
                            servlet.setSpeechlet(new RoutingSpeechlet(router, injector));
                            return servlet;
                        }
                    }).in(Singleton.class);
                }
            };

            return Guice.createInjector(services, new ServletModule() {
                @Override
                protected void configureServlets() {
                    serve("/sample-utterances").with(SampleUtterancesServlet.class);
                    serve("/intent-schema").with(IntentSchemaServlet.class);
                    serve("/rotten-tomatoes").with(SpeechletServlet.class);
                }
            });
        }
    });
    context.addFilter(GuiceFilter.class, "/*", null);
    context.addServlet(DefaultServlet.class, "/");
    server.setHandler(context);
    server.start();
    server.join();
}
 

import com.amazon.speech.speechlet.servlet.SpeechletServlet; //导入依赖的package包/类
private static SpeechletServlet createServlet(final Speechlet speechlet) {
    SpeechletServlet servlet = new SpeechletServlet();
    servlet.setSpeechlet(speechlet);
    return servlet;
}
 

import com.amazon.speech.speechlet.servlet.SpeechletServlet; //导入依赖的package包/类
private static SpeechletServlet createServlet(final Speechlet speechlet) {
  SpeechletServlet servlet = new SpeechletServlet();
  servlet.setSpeechlet(speechlet);
  return servlet;
}