question: reject the given field with the given error code if the value is empty . an 'em pty ' value in this context means either null orthe empty string '' '' . the object whose field is being validated does not need to be passed in because the errors instance can resolve field values by itself it will usually hold an internal reference to the target object . concode_field_sep Log logger concode_field_sep void invokeValidator concode_elem_sep void invokeValidator concode_elem_sep void rejectIfEmptyOrWhitespace concode_elem_sep void rejectIfEmptyOrWhitespace concode_elem_sep void rejectIfEmptyOrWhitespace concode_elem_sep void rejectIfEmptyOrWhitespace
target: void function ( Errors arg0 , String arg1 , String arg2 ) { rejectIfEmpty ( arg0 , arg1 , arg2 , null , null ) ; }