HttpsURLConnection implements SSL GET/POST requests

package org.nercita.weixin.util;  
  
import java.security.cert.CertificateException;  
import java.security.cert.X509Certificate;  
  
import javax.net.ssl.X509TrustManager;  
  
/**  
 * Certificate Trust Manager (for https requests)  
 * The role of this certificate manager is to make it trust the certificate we specify. The following code means to trust all certificates, whether issued by an authority or not.  
 * @author zhangwenchao  
 *  
 */  
public class MyX509TrustManager implements  X509TrustManager{  
  
    @Override  
    public void checkClientTrusted(X509Certificate[] chain, String authType)  
            throws CertificateException {  
          
          
    }  
  
    @Override  
    public void checkServerTrusted(X509Certificate[] chain, String authType)  
            throws CertificateException {  
          
          
    }  
  
    @Override  
    public X509Certificate[] getAcceptedIssuers() {  
  
        return null;  
    }  
  
  
  
}  

package org.nercita.weixin.util;  
  
import java.io.BufferedReader;    
import java.io.InputStream;    
import java.io.InputStreamReader;    
import java.io.OutputStream;    
import java.net.ConnectException;    
import java.net.URL;    
    
import javax.net.ssl.HttpsURLConnection;    
import javax.net.ssl.SSLContext;    
import javax.net.ssl.SSLSocketFactory;    
import javax.net.ssl.TrustManager;    
    
import net.sf.json.JSONException;  
import net.sf.json.JSONObject;    
    
import org.nercita.weixin.domain.AccessToken;  
import org.nercita.weixin.domain.Menu;  
import org.slf4j.Logger;    
import org.slf4j.LoggerFactory;  
/**  
 * Common interface tools for public platforms   
 * User implements https request  
 * @author zhangwenchao  
 *  
 */  
public class HttpsRequestUtil {  
      
    private static Logger logger = LoggerFactory.getLogger(HttpsRequestUtil.class);   
      
    // Get the address of the access_token interface (GET), limited to 200 (times/day)   
    public final static String access_token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET";   
      
    // Menu creation (POST) limited to 100 (times/day)     
    public static String menu_create_url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=ACCESS_TOKEN";  
       
      
      
    /**   
     * Initiate an https request and get the result   
     *    
     * @param requestUrl request address   
     * @param requestMethod request method (GET, POST)   
     * @param outputStr Submitted data   
     * @return JSONObject (get the attribute value of the json object by JSONObject.get(key))   
     */    
    public static JSONObject httpRequest(String requestUrl, String requestMethod, String outputStr) {    
        JSONObject jsonObject = null;    
        StringBuffer buffer = new StringBuffer();    
        try {    
              
            // Create an SSLContext object and initialize it with our specified trust manager     
            TrustManager[] tm = { new MyX509TrustManager() };    
            SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");    
            sslContext.init(null, tm, new java.security.SecureRandom());    
              
            // Get the SSLSocketFactory object from the above SSLContext object     
            SSLSocketFactory ssf = sslContext.getSocketFactory();    
    
            //open connection  
            URL url = new URL(requestUrl);    
            HttpsURLConnection httpUrlConn = (HttpsURLConnection) url.openConnection();    
            httpUrlConn.setSSLSocketFactory(ssf);    
            httpUrlConn.setDoOutput(true);    
            httpUrlConn.setDoInput(true);    
            httpUrlConn.setUseCaches(false);    
              
            // Set the request method (GET/POST)     
            httpUrlConn.setRequestMethod(requestMethod);    
    
            if ("GET".equalsIgnoreCase(requestMethod)){    
                httpUrlConn.connect();    
            }  
            // when there is data to submit     
            if (null != outputStr) {    
                OutputStream outputStream = httpUrlConn.getOutputStream();    
                // Pay attention to the encoding format to prevent Chinese garbled characters     
                outputStream.write(outputStr.getBytes("UTF-8"));    
                outputStream.close();    
            }    
    
            // Convert the returned input stream to a string     
            InputStream inputStream = httpUrlConn.getInputStream();    
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");    
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);    
            String str = null;    
            while ((str = bufferedReader.readLine()) != null) {    
                buffer.append(str);    
            }    
            bufferedReader.close();    
            inputStreamReader.close();    
            // release resources     
            inputStream.close();    
            inputStream = null;    
            httpUrlConn.disconnect();    
            jsonObject = JSONObject.fromObject(buffer.toString());    
        } catch (ConnectException ce) {    
            logger.error("Weixin server connection timed out.");    
        } catch (Exception e) {    
            logger.error("https request error:{}", e);    
        }    
        return jsonObject;    
    }   
      
      
      
    /**   
     * Get access_token   
     * WeChat server will return data in json format: {"access_token":"ACCESS_TOKEN","expires_in":7200}  
     * @param appid credentials   
     * @param appsecret key   
     * @return   
     */    
    public static AccessToken getAccessToken(String appid, String appsecret) {    
        AccessToken accessToken = null;    
        String requestUrl = access_token_url.replace("APPID", appid).replace("APPSECRET", appsecret);    
        JSONObject jsonObject = httpRequest(requestUrl, "GET", null);    
        // if the request was successful     
        if (null != jsonObject) {    
            try {    
                accessToken = new AccessToken();    
                accessToken.setAccessToken(jsonObject.getString("access_token"));    
                accessToken.setExpiresIn(jsonObject.getInt("expires_in"));    
            } catch (JSONException e) {    
                accessToken = null;    
                // Failed to get token     
                logger.error("获取token失败 errcode:{} errmsg:{}", jsonObject.getInt("errcode"), jsonObject.getString("errmsg"));    
            }    
        }    
        return accessToken;    
    }  
      
      
      
    /**   
     * Create menu   
     *    
     * @param menu menu instance   
     * @param accessToken valid access_token   
     * @return 0 for success, other values ​​for failure   
     */    
    public static int createMenu(Menu menu, String accessToken) {    
        int result = 0;    
        
        // assemble the url to create the menu     
        String url = menu_create_url.replace("ACCESS_TOKEN", accessToken);    
        // Convert menu object to json string     
        String jsonMenu = JSONObject.fromObject(menu).toString();    
        // Call the interface to create the menu     
        JSONObject jsonObject = httpRequest(url, "POST", jsonMenu);    
        
        if (null != jsonObject) {    
            if (0 != jsonObject.getInt("errcode")) {    
                result = jsonObject.getInt("errcode");    
                logger.error("Failed to create menu errcode:{} errmsg:{}", jsonObject.getInt("errcode"), jsonObject.getString("errmsg"));    
            }    
        }    
        
        return result;    
    }   
  
      
      
  
}