Java Code Examples for io.reactivex.netty.protocol.http.server.HttpServerResponse#close()

private Observable<Void> handleRecommendationsByUserId(HttpServerRequest<ByteBuf> request, HttpServerResponse<ByteBuf> response) {
    System.out.println("HTTP request -> recommendations by user id request: " + request.getPath());
    final String userId = userIdFromPath(request.getPath());
    if (userId == null) {
        response.setStatus(HttpResponseStatus.BAD_REQUEST);
        return response.close();
    }
    if (!userRecommendations.containsKey(userId)) {
        response.setStatus(HttpResponseStatus.NOT_FOUND);
        return response.close();
    }

    StringBuilder builder = new StringBuilder();
    for (String movieId : userRecommendations.get(userId)) {
        System.out.println("    returning: " + movies.get(movieId));
        builder.append(movies.get(movieId)).append('\n');
    }

    ByteBuf byteBuf = UnpooledByteBufAllocator.DEFAULT.buffer();
    byteBuf.writeBytes(builder.toString().getBytes(Charset.defaultCharset()));

    response.write(byteBuf);
    return response.close();
}
 

@Override
public Observable<Void> handle(HttpServerRequest<ByteBuf> request, HttpServerResponse<ByteBuf> response) {
    if (request.getUri().startsWith(healthCheckUri)) {
        return healthCheckEndpoint.handle(request, response);
    } else if (request.getUri().startsWith("/hello/to/")) {
        int prefixLength = "/hello/to".length();
        String userName = request.getPath().substring(prefixLength);
        if (userName.isEmpty() || userName.length() == 1 /*The uri is /hello/to/ but no name */) {
            response.setStatus(HttpResponseStatus.BAD_REQUEST);
            return response.writeStringAndFlush(
                    "{\"Error\":\"Please provide a username to say hello. The URI should be /hello/to/{username}\"}");
        } else {
            String msg = "Hello " + userName.substring(1) /*Remove the / prefix*/ + " from Netflix OSS";
            return response.writeStringAndFlush("{\"Message\":\"" + msg + "\"}");
        }
    } else if (request.getUri().startsWith("/hello")) {
        return response.writeStringAndFlush("{\"Message\":\"Hello newbee from Netflix OSS\"}");
    } else {
        response.setStatus(HttpResponseStatus.NOT_FOUND);
        return response.close();
    }
}
 

public Observable<Void> sayHelloToUser(HttpServerRequest<ByteBuf> request, HttpServerResponse<ByteBuf> response) {
    JSONObject content = new JSONObject();

    int prefixLength = "/hello/to".length();
    String userName = request.getPath().substring(prefixLength);

    try {
        if (userName.isEmpty() || userName.length() == 1 /*The uri is /hello/to/ but no name */) {
            response.setStatus(HttpResponseStatus.BAD_REQUEST);
            content.put("Error", "Please provide a username to say hello. The URI should be /hello/to/{username}");
        } else {
            content.put("Message", "Hello " + userName.substring(1) /*Remove the / prefix*/ + " from Netflix OSS");
        }
    } catch (JSONException e) {
        logger.error("Error creating json response.", e);
        return Observable.error(e);
    }

    response.write(content.toString(), StringTransformer.DEFAULT_INSTANCE);
    return response.close();

}
 

private Observable<Void> handleUpdateRecommendationsForUser(HttpServerRequest<ByteBuf> request, final HttpServerResponse<ByteBuf> response) {
    System.out.println("HTTP request -> update recommendations for user: " + request.getPath());
    final String userId = userIdFromPath(request.getPath());
    if (userId == null) {
        response.setStatus(HttpResponseStatus.BAD_REQUEST);
        return response.close();
    }
    return request.getContent().flatMap(new Func1<ByteBuf, Observable<Void>>() {
        @Override
        public Observable<Void> call(ByteBuf byteBuf) {
            String movieId = byteBuf.toString(Charset.defaultCharset());
            System.out.println(format("    updating: {user=%s, movie=%s}", userId, movieId));
            synchronized (this) {
                Set<String> recommendations;
                if (userRecommendations.containsKey(userId)) {
                    recommendations = userRecommendations.get(userId);
                } else {
                    recommendations = new ConcurrentSet<String>();
                    userRecommendations.put(userId, recommendations);
                }
                recommendations.add(movieId);
            }
            response.setStatus(HttpResponseStatus.OK);
            return response.close();
        }
    });
}
 

@Override
public Observable<Void> handle(HttpServerRequest<I> request, HttpServerResponse<O> response) {
    HttpKeyEvaluationContext context = new HttpKeyEvaluationContext(response.getChannel());
    for (Route route : routes) {
        if (route.key.apply(request, context)) {
            return route.getHandler().handle(request, response);
        }
    }

    // None of the routes matched.
    response.setStatus(HttpResponseStatus.NOT_FOUND);
    return response.close();
}
 

public Observable<Void> sayHello(HttpServerResponse<ByteBuf> response) {
    JSONObject content = new JSONObject();
    try {
        content.put("Message", "Hello from Netflix OSS");
        response.write(content.toString(), StringTransformer.DEFAULT_INSTANCE);
        return response.close();
    } catch (JSONException e) {
        logger.error("Error creating json response.", e);
        return Observable.error(e);
    }
}
 

@Override
public Observable<Void> handle(HttpServerRequest<ByteBuf> request, HttpServerResponse<ByteBuf> response) {
    response.setStatus(HttpResponseStatus.OK);
    return response.close();
}
 

@Override
public Observable<Void> handle(HttpServerRequest<ByteBuf> request, HttpServerResponse<ByteBuf> response) {
    int httpStatus = healthCheckHandler.getStatus();
    response.setStatus(HttpResponseStatus.valueOf(httpStatus));
    return response.close();
}
 

public Observable<Void> handle(HttpServerRequest<ByteBuf> request, HttpServerResponse<ByteBuf> response) {
    response.flushOnlyOnChannelReadComplete(true);
    response.getHeaders().set(HttpHeaders.Names.CONTENT_LENGTH, HELLO_WORLD_LENGTH_STR);
    response.write(response.getAllocator().buffer(HELLO_WORLD_LENGTH).writeBytes(MSG));
    return response.close();
}