note
	description: "[
		Helper for the access control layer.
		Inherit from this class and use `process_under_control`
		To use a custom issuer name, redefine `access_control_issuer`.
	]"
	date: "$Date$"
	revision: "$Revision$"

deferred class
	ACCESS_CONTROL_HELPER

feature {NONE} -- Access

	access_control_issuer: READABLE_STRING_GENERAL
			-- Issuer identifier.
			-- Redefine to have custom issuer name.
		do
			Result := generator
		end

feature {NONE} -- Operation

	process_under_control (operation: detachable READABLE_STRING_GENERAL; a_action: PROCEDURE)
		do
			if attached access_control_service.service as l_access_ctrl then
				l_access_ctrl.process (access_control_issuer, operation, a_action)
			else
				a_action.call (Void)
			end
		end

feature {NONE} -- Shared access

	access_control_service: SERVICE_CONSUMER [ACCESS_CONTROL_S]
				-- Access to EiffelStudio access control service
		once
			create Result
		end

note
	copyright: "Copyright (c) 1984-2020, 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