public static String getContentPost(String stringUrl, Map<String, String> parameters,
          String input, String charset) throws IOException {
      return getContentPost(stringUrl, parameters, input, charset, false);
  }
public static String getContentPost ( String stringUrl , Map < String , String > parameters , String input , String charset ) throws IOException { return getContentPost ( stringUrl , parameters , input , charset , false ) ; }
Post content / get response

@param stringUrl URL to use
@param parameters HTTP headers
@param input Input data (payload)
@param charset Charset in the input
@return response HTTP response
@throws IOException I/O error happened