public static void addParams(final Map<String,String> params,final StringBuilder uri){
  if (params == null || params.isEmpty())   return;
  for (  Entry<String,String> param : params.entrySet())   addParam(param.getKey(),param.getValue(),uri);
}

public static void addParams ( final Map < String , String > params , final StringBuilder uri ) { if ( params == null || params . isEmpty ( ) ) return ; for ( Entry < String , String > param : params . entrySet ( ) ) addParam ( param . getKey ( ) , param . getValue ( ) , uri ) ; }
add request parameters to uri
