Jocelyn Fiat
7d5869f3b9
Simplified schema to focus on user and node. Now possible to have sqlite via ODBC and/or mysql support, and select using configuration file. Updated demo example.
116 lines
3.7 KiB
Plaintext
116 lines
3.7 KiB
Plaintext
note
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description: "Provides logger information"
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date: "$Date: 2015-01-27 19:15:02 +0100 (mar., 27 janv. 2015) $"
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revision: "$Revision: 96542 $"
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class
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SHARED_LOGGER
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inherit
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LOG_PRIORITY_CONSTANTS
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ARGUMENTS
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feature -- Logger
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log: LOGGING_FACILITY
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-- New `log' (once per process)
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-- that could be shared between threads
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-- without reinitializing it.
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local
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l_log_writer: LOG_ROLLING_WRITER_FILE
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l_environment: EXECUTION_ENVIRONMENT
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l_path: PATH
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l_logger_config: LOGGER_CONFIGURATION
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once ("PROCESS")
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--| Initialize the logging facility
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create Result.make
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create l_environment
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if attached separate_character_option_value ('d') as l_dir then
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l_path := create {PATH}.make_from_string (l_dir)
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create l_log_writer.make_at_location (l_path.extended ("logs").appended ("\api.log"))
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else
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l_path := create {PATH}.make_current
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create l_log_writer.make_at_location (l_path.extended("api.log"))
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end
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l_log_writer.set_max_file_size ({NATURAL_64}1024*1204)
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if attached separate_character_option_value ('d') as l_dir then
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l_logger_config := new_logger_level_configuration (l_path.extended("config").extended ("application_configuration.json"))
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else
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l_logger_config := new_logger_level_configuration (l_path.extended ("site").extended("config").extended ("application_configuration.json"))
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end
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l_log_writer.set_max_backup_count (l_logger_config.backup_count)
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set_logger_level (l_log_writer, l_logger_config.level)
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log.register_log_writer (l_log_writer)
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--| Write an informational message
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Result.write_information ("The application is starting up...")
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end
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feature {NONE} -- JSON
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set_logger_level (a_log_writer: LOG_ROLLING_WRITER_FILE; a_priority: INTEGER)
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-- Setup the logger level based on `a_priority'
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do
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if a_priority = log_debug then
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a_log_writer.enable_debug_log_level
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elseif a_priority = Log_emergency then
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a_log_writer.enable_emergency_log_level
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elseif a_priority = Log_alert then
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a_log_writer.enable_alert_log_level
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elseif a_priority = Log_critical then
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a_log_writer.enable_critical_log_level
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elseif a_priority = Log_error then
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a_log_writer.enable_error_log_level
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elseif a_priority = Log_warning then
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a_log_writer.enable_warning_log_level
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elseif a_priority = Log_notice then
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a_log_writer.enable_notice_log_level
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elseif a_priority = Log_information then
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a_log_writer.enable_information_log_level
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else
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a_log_writer.enable_unkno_log_level
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end
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end
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new_logger_level_configuration (a_path: PATH): LOGGER_CONFIGURATION
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-- Retrieve a new logger level configuration.
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-- By default, level is set to `DEBUG'.
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local
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l_parser: JSON_PARSER
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do
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create Result
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if attached json_file_from (a_path) as json_file then
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l_parser := new_json_parser (json_file)
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if attached {JSON_OBJECT} l_parser.parse as jv and then l_parser.is_parsed and then
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attached {JSON_OBJECT} jv.item ("logger") as l_logger and then
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attached {JSON_STRING} l_logger.item ("backup_count") as l_count and then
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attached {JSON_STRING} l_logger.item ("level") as l_level then
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Result.set_level (l_level.item)
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if l_count.item.is_natural then
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Result.set_backup_count (l_count.item.to_natural)
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end
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end
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end
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end
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json_file_from (a_fn: PATH): detachable STRING
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local
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ut: FILE_UTILITIES
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do
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if ut.file_path_exists (a_fn) then
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Result := (create {JSON_FILE_READER}).read_json_from (a_fn.name)
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end
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end
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new_json_parser (a_string: STRING): JSON_PARSER
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do
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create Result.make_parser (a_string)
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end
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note
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copyright: "2011-2015, Javier Velilla, Jocelyn Fiat, Eiffel Software and others"
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license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
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end
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