if (f.getName().equals("displayExtension")) {
if (!AttributeValidator.isPermittedValue(value)) { throw new GroupModifyException(E.INVALID_ATTR_VALUE + value); } Field f = FieldFinder.find(attr); if (f.getName().equals(GrouperConfig.ATTR_DE)) {
  protected static void canSetAttribute(Group g, Field f, String value)     throws  InsufficientPrivilegeException,            ModelException,            SchemaException  {    if ( (value == null) || (value.equals(GrouperConfig.EMPTY_STRING)) ) {      throw new ModelException(E.GROUP_AV);    }    if (f.getName().equals("displayExtension")) {      AttributeValidator.namingValue(value);    }    if (f.getName().equals("displayName")) {      AttributeValidator.namingValue(value);    }    canModAttribute(g, f);  } // protected static void canSetAttribute(g, f, value)