Java Code Library

public static void http_post(String url, String port, String path, String content) {
       /**
        * @Description: ingest a address and send the content to it.
        * @Example http://localhost:8428/write + content
        * @param url url address
        * @param port remote address port
        * @param path remote address path
        * @param content metric data
        */
       String result = "";
       try {
           url = url + ":" + port + "/" + path;
           System.out.println(url);
           URL realUrl = new URL(url);
           URLConnection conn = realUrl.openConnection();
           conn.setRequestProperty("accept", "*/*");
           conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
           conn.setDoOutput(true);
           conn.setDoInput(true);

           // fill and send content
           DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
           dos.write(content.getBytes());
           dos.flush();

           // get response (Do not comment this line, or the data insertion will be failed)
           BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
           String line;
           while ((line = in.readLine()) != null) {
             result += line;
           }
           System.out.println(result);//
       } catch (Exception e) {
           System.out.println("Exception," + e.getMessage());
           e.printStackTrace();
       }
   }