public class MQHttpClient {

/** * GET | POST | DELETE * * @param paramsMap if null and the request is Get，otherwise dependent on requestMethodEnum * @param paramsMap if the request is post，and you can put the params in the map otherwise to null * @param cookie if you need cookie to veriy，you can use it， otherwise to null * @return responseJsonString */public static String sendRequestURL(String url, HashMap<String, Object> paramsMap, RequestMethodEnum requestMethodEnum, String cookie) {    MediaType JSON = MediaType.parse("application/json; charset=utf-8");    RequestBody body = RequestBody.create(JSON, com.alibaba.fastjson.JSON.toJSONString(paramsMap, true));    Request.Builder request = new Request.Builder();    Response response;    try {        OkHttpClient client = new OkHttpClient.Builder().build();        OkHttpClient httpClient = trustAllSslClient(client);        // GET        if (paramsMap == null) {            if (cookie != null) {                response = httpClient.newCall(request.url(url).addHeader("cookie", cookie).get().build()).execute();            } else {                response = httpClient.newCall(request.url(url).get().build()).execute();            }        } else { // POST || DELETE            if (requestMethodEnum.getValue().equals(RequestMethodEnum.POST.getValue())) {                if (cookie != null) {                    response = httpClient.newCall((request.url(url).post(body)).addHeader("cookie", cookie).build()).execute();                } else {                    response = httpClient.newCall((request.url(url).post(body)).build()).execute();                }            } else {                if (cookie != null) {                    response = httpClient.newCall((request.url(url).post(body)).addHeader("cookie", cookie).build()).execute();                } else {                    response = httpClient.newCall((request.url(url).post(body)).build()).execute();                }            }        }        String responseBody = response.body().string();        logger.info("responseBody:" + responseBody + ", Code:" + response.code());        return responseBody;    } catch (Exception e) {        logger.info("get exception:" + e.toString());        e.printStackTrace();        return null;    }}

private static final TrustManager[] trustAllCerts = new TrustManager[]{        new X509TrustManager() {            public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType) throws CertificateException {            }

            public void checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType) throws CertificateException {            }

            public java.security.cert.X509Certificate[] getAcceptedIssuers() {                return new java.security.cert.X509Certificate[]{};            }        }};

private static final SSLContext trustAllSslContext;

static {    try {        trustAllSslContext = SSLContext.getInstance("SSL");        trustAllSslContext.init(null, trustAllCerts, new java.security.SecureRandom());    } catch (Exception e) {        throw new RuntimeException(e);    }}

private static final SSLSocketFactory trustAllSslSocketFactory = trustAllSslContext.getSocketFactory();

public static OkHttpClient trustAllSslClient(OkHttpClient client) {    OkHttpClient.Builder builder = client.newBuilder();    builder.sslSocketFactory(trustAllSslSocketFactory, (X509TrustManager) trustAllCerts[0]);    builder.hostnameVerifier(new HostnameVerifier() {        public boolean verify(String hostname, SSLSession session) {            return true;        }    });    return builder.build();}}