note description: "Shared instance of logger" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class SHARED_LOGGER feature -- Access Log_source: STRING = "Eiffel Metadata Consumer" -- Windows event log source Log_name: STRING = "Application" -- Name of log where to log events feature -- Status Report source_ready: BOOLEAN -- Is log source initialized? do Result := {SYSTEM_DLL_EVENT_LOG}.source_exists (Log_source) end feature -- Basic Operations log_last_exception -- Log last exception to Windows event log. require source_ready: source_ready local l_log: SYSTEM_DLL_EVENT_LOG do if attached {ISE_RUNTIME}.last_exception as l_exception then create l_log.make (Log_name, ".", Log_source) l_log.write_entry (l_exception.to_string, {SYSTEM_DLL_EVENT_LOG_ENTRY_TYPE}.error) l_log.close end end log_message (a_message: STRING) -- Log `a_message'. require source_ready: source_ready attached_message: a_message /= Void local l_log: SYSTEM_DLL_EVENT_LOG do create l_log.make (Log_name, ".", Log_source) l_log.write_entry (a_message.to_cil, {SYSTEM_DLL_EVENT_LOG_ENTRY_TYPE}.information) l_log.close end create_source -- Create event source if not already created. require source_not_ready: not source_ready local l_retried: BOOLEAN once if not l_retried then {SYSTEM_DLL_EVENT_LOG}.create_event_source (Log_source, Log_name) end rescue l_retried := True retry end note copyright: "Copyright (c) 1984-2006, 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 356 Storke Road, Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class SHARED_LOGGER