note description: "A command line switch file validator that checks if a directory exists." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class ARGUMENT_DIRECTORY_VALIDATOR inherit ARGUMENT_VALUE_VALIDATOR feature {NONE} -- Validation validate_value (a_value: READABLE_STRING_8) -- local retried: BOOLEAN do if not retried then if not (create {DIRECTORY}.make (a_value)).exists then invalidate_option (e_directory_does_not_exist) end else invalidate_option (e_invalid_directory) end ensure then a_value_exists: is_option_valid implies (create {DIRECTORY}.make (a_value)).exists rescue retried := True retry end feature {NONE} -- Internationalization e_invalid_directory: STRING = "The specified directory is invalid." e_directory_does_not_exist: STRING = "The specified directory does not exist." ;note copyright: "Copyright (c) 1984-2009, Eiffel Software" license: "GPL version 2 (see http://www.eiffel.com/licensing/gpl.txt)" licensing_options: "http://www.eiffel.com/licensing" copying: "[ This file is part of Eiffel Software's Eiffel Development Environment. Eiffel Software's Eiffel Development Environment is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 of the License (available at the URL listed under "license" above). Eiffel Software's Eiffel Development Environment is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Eiffel Software's Eiffel Development Environment; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ]" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end