SSLContext 去除证书验证

    private static Logger log = LoggerFactory.getLogger(CommonUtil.class);    private static final String APPLICATION_JSON = "application/json";    private static final String CONTENT_TYPE_TEXT_JSON = "text/json";    private static final String CONTENT_TYPE_TEXT_XML = "text/xml";    private static final String APPLICATION_XML = "application/xml";public static String  doGetString(String url,  String charSet) throws Exception  {String result = "";             HttpGet httpGet = new HttpGet(url);//此处跳过证书验证的方式适用于apache httpclient 4.3.x版本，并不一定适用于其他httpclient版本，请注意。SSLContext sslContext = SSLContexts.custom().useTLS().loadTrustMaterial(null, new TrustStrategy() {public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {//信任所有return true;}}).build();SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContext, new AllowAllHostnameVerifier());        Registry<ConnectionSocketFactory> r = RegistryBuilder.<ConnectionSocketFactory>create().register("https", sslConnectionSocketFactory).build();//设置连接池，配置过期时间为20s。PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager(r);cm.setMaxTotal(500);cm.setDefaultMaxPerRoute(350);SocketConfig socketConfig = SocketConfig.custom().setSoKeepAlive(true).setTcpNoDelay(true).setSoTimeout(20000).build();cm.setDefaultSocketConfig(socketConfig);RequestConfig requestConfig = RequestConfig.custom().setConnectionRequestTimeout(20000).setConnectTimeout(20000).setSocketTimeout(20000).build();//创建httpClientCloseableHttpClient httpclient= HttpClients.custom().setConnectionManager(cm).setDefaultRequestConfig(requestConfig).build(); try {// 使用DefaultHttpClient类的execute方法发送HTTP GET请求，并返回HttpResponse对象。HttpResponse httpResponse = httpclient.execute(httpGet);// 其中HttpGet是HttpUriRequst的子类if (httpResponse.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {httpGet.abort();httpclient.close();return result;}HttpEntity httpEntity = httpResponse.getEntity();result = EntityUtils.toString(httpEntity,charSet);// 取出应答字符串// 一般来说都要删除多余的字符result.replaceAll("\r", "");// 去掉返回结果中的"\r"字符，否则会在结果字符串后面显示一个小方格} catch (ClientProtocolException e) {e.printStackTrace();result = e.getMessage().toString();} catch (IOException e) {e.printStackTrace();result = e.getMessage().toString();}finally{// 关闭连接,释放资源    try {  httpclient.close();  } catch (IOException e) {  e.printStackTrace();  result = e.getMessage().toString();} }return result;}    public static JSONObject doPOST(String requestUrl,            String charSet) throws Exception {        JSONObject jsonObject = null;        HttpPost httpPost = new HttpPost(requestUrl);        //此处跳过证书验证的方式适用于apache httpclient 4.3.x版本，并不一定适用于其他httpclient版本，请注意。        SSLContext sslContext = SSLContexts.custom().useTLS().loadTrustMaterial(null, new TrustStrategy() {            public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {                //信任所有                return true;            }        }).build();        SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContext, new AllowAllHostnameVerifier());        Registry<ConnectionSocketFactory> r = RegistryBuilder.<ConnectionSocketFactory>create()                .register("https", sslConnectionSocketFactory)                .build();        //设置连接池，配置过期时间为20s。        PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager(r);        cm.setMaxTotal(500);        cm.setDefaultMaxPerRoute(350);        SocketConfig socketConfig = SocketConfig.custom()                .setSoKeepAlive(true)                .setTcpNoDelay(true)                .setSoTimeout(20000)                .build();        cm.setDefaultSocketConfig(socketConfig);        RequestConfig requestConfig = RequestConfig.custom().setConnectionRequestTimeout(20000).setConnectTimeout(20000).setSocketTimeout(20000).build();        //创建httpClient        CloseableHttpClient httpclient= HttpClients.custom()                .setConnectionManager(cm)                .setDefaultRequestConfig(requestConfig)                .build();             try {            // 使用DefaultHttpClient类的execute方法发送HTTP GET请求，并返回HttpResponse对象。            HttpResponse httpResponse = httpclient.execute(httpPost);// 其中HttpGet是HttpUriRequst的子类            if (httpResponse.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {                httpPost.abort();                httpclient.close();                jsonObject = JSONObject.fromObject(result);                return jsonObject;            }            HttpEntity httpEntity = httpResponse.getEntity();            result = EntityUtils.toString(httpEntity,charSet);// 取出应答字符串            // 一般来说都要删除多余的字符            result.replaceAll("\r", "");// 去掉返回结果中的"\r"字符，否则会在结果字符串后面显示一个小方格        } catch (ClientProtocolException e) {            e.printStackTrace();            result = e.getMessage().toString();        } catch (IOException e) {            e.printStackTrace();            result = e.getMessage().toString();        }finally{            // 关闭连接,释放资源                try {                  httpclient.close();              } catch (IOException e) {                  e.printStackTrace();                  result = e.getMessage().toString();            }         }        jsonObject = JSONObject.fromObject(result);        return jsonObject;        }