package org.kuali.ole.rest;
   
   import java.io.BufferedReader;
   import java.io.DataOutputStream;
   import java.io.InputStream;
   import java.io.InputStreamReader;
   import java.net.HttpURLConnection;
   import java.net.URL;
   
  /**
   * Created by pvsubrah on 10/2/15.
   */
  public class OleRestClient {
  
      public String sendPostRequest(String url, String requestContent) {
          String responseContent = null;
          try {
              URL obj = new URL(url);
              HttpURLConnection con = (HttpURLConnection) obj.openConnection();
  
              //add reuqest header
              con.setRequestMethod("POST");
              con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
              con.setRequestProperty("Accept", "application/" + "json");
              con.setRequestProperty("Content-Type", "application/" + "json");
  
              // Send post request
              con.setDoOutput(true);
              DataOutputStream wr = new DataOutputStream(con.getOutputStream());
              wr.writeBytes(requestContent);
              wr.flush();
              wr.close();
  
              InputStream resStream = con.getInputStream();
              BufferedReader in = new BufferedReader(new InputStreamReader(resStream));
              String inputLine = null;
              StringBuilder responseContentBuilder = new StringBuilder();
              while ((inputLine = in.readLine()) != null) {
                  responseContentBuilder.append(inputLine);
              }
              in.close();
              responseContent = responseContentBuilder.toString();
          } catch (Exception ex) {
              ex.printStackTrace();
          }
          return responseContent;
      }
  }