JAVA API about HTTP 2

import java.io.IOException;
import java.nio.charset.Charset;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.net.ssl.SSLContext;

import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.databind.ObjectMapper;


public class HttpClient {

    private final static String ENCODE = "utf-8";

    private final static Charset CHARSET = Charset.forName("utf-8");

    private final static int SOCKET_TIME_OUT = 12000;

    private final static int SOCKET_CONNECT_OUT = 12000;

    private final static int CONNECTION_REQUEST_OUT = 12000;

    private static RequestConfig defaultRequestConfig = RequestConfig.custom().setSocketTimeout(SOCKET_TIME_OUT)
            .setConnectTimeout(SOCKET_CONNECT_OUT).setConnectionRequestTimeout(CONNECTION_REQUEST_OUT).build();

    private static ObjectMapper objectMapper = new ObjectMapper();
    
    private static final Logger LOG = LoggerFactory.getLogger(HttpClient.class);

    @SuppressWarnings("deprecation")
    public static SSLConnectionSocketFactory sslInit() {
        SSLContext sslContext = null;
        try {
            sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
                // 信任所有
                public boolean isTrusted(java.security.cert.X509Certificate[] chain, String authType) throws java.security.cert.CertificateException {
                    return true;
                }
            }).build();
            
        } catch (KeyManagementException e) {
            e.printStackTrace();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (KeyStoreException e) {
            e.printStackTrace();
        }
        return new SSLConnectionSocketFactory(sslContext);
    }

    
    
    
    /**
     * @Description     post请求函数
     * @param scheme    http/https
     * @param host      请求域名
     * @param path      请求路径
     * @param params    URL请求参数
     * @param jsonBody  HTTP请求BODY
     * @param headers   HTTP请求头部
     * @return
     */
    public static HashMap post(String scheme, String host, String path, Map<String, String> params, String jsonBody,  Map<String, String> headers) {
        HashMap resultMap = new HashMap(); 
        CloseableHttpClient closeableHttpClient = null;
        try {
            SSLConnectionSocketFactory sslsf = sslInit();
            closeableHttpClient = HttpClientBuilder.create().setDefaultRequestConfig(defaultRequestConfig).setSSLSocketFactory(sslsf).build();
            
            //添加URL参数
            List<NameValuePair> values = new ArrayList<NameValuePair>();
            if (params != null && !params.isEmpty()) {
                for (String s : params.keySet()) {
                    values.add(new BasicNameValuePair(s, params.get(s)));
                }
            }
            //创建URI
            java.net.URI uri = new URIBuilder()
            .setScheme(scheme)
            .setHost(host)
            .setPath(path)
            .setParameters(values)
            .build();
            
            HttpPost httpPost = new HttpPost(uri);
            //添加头部
            if (headers != null && !headers.isEmpty()) {
                for (String s : headers.keySet()) {
                    httpPost.addHeader(s, headers.get(s));
                }
            }
            //添加URL参数
            /*if (params != null && !params.isEmpty()) {
                List<NameValuePair> values = new ArrayList<NameValuePair>();
                for (String s : params.keySet()) {
                    values.add(new BasicNameValuePair(s, params.get(s)));
                }
                httpPost.setEntity(new UrlEncodedFormEntity(values, ENCODE));
            }*/
            
            //添加请求BODY
            if (jsonBody != null) {
                httpPost.setEntity(new StringEntity(jsonBody, Charset.forName("utf-8")));
            }
            
            LOG.info("HTTP Request URI:{}",httpPost.getURI().toString());
            LOG.info("HTTP Request Body: {}",jsonBody);
            
            //发出请求
            CloseableHttpResponse response = closeableHttpClient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            String content = EntityUtils.toString(entity, ENCODE);
            LOG.info("HTTP Response:{}",content);
            
            if(StringUtils.isNotBlank(content)){
            resultMap = objectMapper.readValue(content, HashMap.class);    
            }
        } catch (Exception e) {
            LOG.info("Error msg:[{}]",e.getMessage());
            e.printStackTrace();
        } finally {
            try {
                if (closeableHttpClient != null) {
                    closeableHttpClient.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultMap;
    }

    
    
    
    /**
     * @Description   http get请求函数
     * @param scheme  http/https
     * @param host    域名
     * @param path    资源路径
     * @param params  请求参数
     * @param headers 请求头部
     * @return
     */
    public static HashMap get(String scheme, String host, String path, Map<String, String> params, Map<String, String> headers) {
        HashMap resultMap = new HashMap();
        CloseableHttpClient closeableHttpClient = null;
        try {
            SSLConnectionSocketFactory sslsf = sslInit();
            closeableHttpClient = HttpClientBuilder.create().setDefaultRequestConfig(defaultRequestConfig).setSSLSocketFactory(sslsf).build();
            
            //添加URL参数
            List<NameValuePair> values = new ArrayList<NameValuePair>();
            if (params != null && !params.isEmpty()) {
                for (String s : params.keySet()) {
                    values.add(new BasicNameValuePair(s, params.get(s)));
                }
            }
            
            //创建URI
            java.net.URI uri = new URIBuilder()
            .setScheme(scheme)
            .setHost(host)
            .setPath(path)
            .setParameters(values)
            .build();
            
            LOG.info("URI is:{}",uri.toString());
            //创建GET请求对象
            HttpGet httpGet = new HttpGet(uri);
            
            //添加头部
            if (headers != null && !headers.isEmpty()) {
                for (String s : headers.keySet()) {
                    httpGet.addHeader(s, headers.get(s));
                }
            }
            
            //发出请求
            LOG.info("HTTP Request:{}",httpGet.getURI().toString());
            CloseableHttpResponse response = closeableHttpClient.execute(httpGet);
            HttpEntity entity = response.getEntity();
            String content = EntityUtils.toString(entity, ENCODE);
             LOG.info("HTTP Response:{}",content);
            
            if(StringUtils.isNotBlank(content)){
            resultMap = objectMapper.readValue(content, HashMap.class);    
            }
        } catch (Exception e) {
            LOG.info("Error msg:[{}]",e.getMessage());
            e.printStackTrace();
        } finally {
            try {
                if (closeableHttpClient != null) {
                    closeableHttpClient.close();
                }
            } catch (IOException e) {
            e.printStackTrace();    
            }
        }
        return resultMap;
    }

}