Java AsyncHttpClient.executeRequest方法代碼示例

import com.ning.http.client.AsyncHttpClient; //導入方法依賴的package包/類
protected <T extends Result> Future<T> performRequestAsync(AsyncHttpClient client, Request request, final Class<T> clazz) {
    return client.executeRequest(request, new AsyncCompletionHandler<T>() {
        @Override
        public T onCompleted(Response response) throws Exception {
            LOGGER.debug("Rate limit remaining: {}" + response.getHeader(RATELIMIT_REMAINING_HEADER));

            T result = gson.fromJson(response.getContentType(), clazz);
            validateResult(result);
            return result;
        }
    });
}
 

import com.ning.http.client.AsyncHttpClient; //導入方法依賴的package包/類
@Override
protected <T extends Result> Future<T> performRequestAsync(final AsyncHttpClient client, final Request request, final Class<T> clazz) {
    final String md5 = getMD5ForRequest(request);
    final File file = new File("src/test/resources/json/" + md5 + ".json");
    if (file.exists() && (file.lastModified() > new Date().getTime() - CACHE_TIME)) {
        LOGGER.info("Found cached JSON file " + md5 + ".json, returning contents...");
        ExecutorService executorService = Executors.newSingleThreadExecutor();
        Callable<T> task = new Callable<T>() {
            public T call() throws Exception {
                return getResultFromJson(new Scanner(new FileInputStream(file)).useDelimiter("\\A").next(), clazz);
            }
        };
        return executorService.submit(task);
    }

    return client.executeRequest(request, new AsyncCompletionHandler<T>() {
        @Override
        public T onCompleted(Response response) throws Exception {
            LOGGER.info("Writing new JSON cache file " + md5 + ".json...");
            String json = response.getResponseBody();
            PrintWriter writer = new PrintWriter(file, "UTF-8");
            writer.write(json);
            writer.close();
            return getResultFromJson(json, clazz);
        }
    });
}
 

import com.ning.http.client.AsyncHttpClient; //導入方法依賴的package包/類
public HTTPAsyncPost(AsyncHttpClient client, HTTPLogObject http_log) {

		RequestBuilder builder = new RequestBuilder("POST");
		url_request = http_log.getURLRequest();

		HTTPUtils util = new HTTPUtils();
		builder = util.buildDefaultHeaders(builder, http_log);
		
		// Add additional POST headers, if specified
		builder = util.buildCustomPOSTHeaders(builder, http_log);
		
		builder.addHeader("User-Agent", http_log.getUseragent());
		
		String one_time_payload = POSTPayloadCache.instance.fetchPayload(http_log.getRequest());
		logger.debug("Here is the randomized payload: " + one_time_payload);
		builder.setBody(one_time_payload);

		Request request = builder.setUrl(http_log.getURLRequest()).build();

		AsyncHandler<Response> asyncHandler = new AsyncHandler<Response>() {
			private final Response.ResponseBuilder builder = new Response.ResponseBuilder();

			public STATE onBodyPartReceived(final HttpResponseBodyPart content)
					throws Exception {
				builder.accumulate(content);
				return STATE.CONTINUE;
			}

			public STATE onStatusReceived(final HttpResponseStatus status)
					throws Exception {
				builder.accumulate(status);
				return STATE.CONTINUE;
			}

			public STATE onHeadersReceived(final HttpResponseHeaders headers)
					throws Exception {
				builder.accumulate(headers);
				return STATE.CONTINUE;	
			}

			public Response onCompleted() throws Exception {
				logger.debug("POST - " + url_request + " - "
						+ builder.build().getStatusCode());
				return builder.build();
			}

			@Override
			public void onThrowable(Throwable t) {
				logger.error(t.getMessage());
			}
		};

		try {
			client.executeRequest(request, asyncHandler);
		} catch (IOException e) {
			logger.error(e.getMessage());
		}
	}
 

import com.ning.http.client.AsyncHttpClient; //導入方法依賴的package包/類
public HTTPAsyncGet(AsyncHttpClient client, HTTPLogObject http_log) {

		RequestBuilder builder = new RequestBuilder("GET");
		url_request = http_log.getURLRequest();
		
		HTTPUtils util = new HTTPUtils();
		builder = util.buildDefaultHeaders(builder, http_log);

		// Add additional GET headers, if specified
		builder = util.buildCustomGETHeaders(builder, http_log);
		
		builder.addHeader("User-Agent", http_log.getUseragent());
		
		Request request = builder.setUrl(url_request).build();

		AsyncHandler<Response> asyncHandler = new AsyncHandler<Response>() {
			private final Response.ResponseBuilder builder = new Response.ResponseBuilder();

			public STATE onBodyPartReceived(final HttpResponseBodyPart content)
					throws Exception {
				builder.accumulate(content);
				return STATE.CONTINUE;
			}

			public STATE onStatusReceived(final HttpResponseStatus status)
					throws Exception {
				builder.accumulate(status);
				return STATE.CONTINUE;
			}

			public STATE onHeadersReceived(final HttpResponseHeaders headers)
					throws Exception {
				builder.accumulate(headers);
				return STATE.CONTINUE;
			}

			public Response onCompleted() throws Exception {
				logger.debug("GET - " + url_request + " - "
						+ builder.build().getStatusCode());
				return builder.build();
			}

			@Override
			public void onThrowable(Throwable t) {
				logger.error(t.getMessage());
			}
		};

		try {
			client.executeRequest(request, asyncHandler);
		} catch (IOException e) {
			logger.error(e.getMessage());
		}
	}