code: @Override
      public ExternalPermissionOwner exportData(String fname) {
          final IPermissionOwner permissionOwner = this.permissionOwnerDao.getPermissionOwner(fname);
          return convert(permissionOwner);
      }
docs: /* (non-Javadoc)
  @see org.apereo.portal.io.xml.IDataExporter#exportData(java.lang.String)