code: public void field2in(Object o, String field, Object to) {
          field = field.trim();
          if (field.indexOf(' ') > 0) {           // maybe multiple field names given
              String[] fields = field.split("\\s+");
              for (String f : fields) {
                  field2in(o, f, to, f);
              }
          } else {
              field2in(o, field, to, field);
          }
      }
docs: Maps an object's field to a component's In field with the same name
  
  @param o the object
  @param field the field name
  @param to the component.