Class | Logger::Application |
In: |
lib/logger.rb
|
Parent: | Object |
Application — Add logging support to your application.
class FooApp < Application def initialize(foo_app, application_specific, arguments) super('FooApp') # Name of the application. end def run ... log(WARN, 'warning', 'my_method1') ... @log.error('my_method2') { 'Error!' } ... end end status = FooApp.new(....).start
appname | [R] | |
logdev | [R] |
Application.new(appname = '')
appname: | Name of the application. |
Create an instance. Log device is STDERR by default. This can be changed with set_log.
# File lib/logger.rb, line 645 def initialize(appname = nil) @appname = appname @log = Logger.new(STDERR) @log.progname = @appname @level = @log.level end
See Logger#add. This application‘s appname is used.
# File lib/logger.rb, line 693 def log(severity, message = nil, &block) @log.add(severity, message, @appname, &block) if @log end
Start the application. Return the status code.
# File lib/logger.rb, line 655 def start status = -1 begin log(INFO, "Start of #{ @appname }.") status = run rescue log(FATAL, "Detected an exception. Stopping ... #{$!} (#{$!.class})\n" << $@.join("\n")) ensure log(INFO, "End of #{ @appname }. (status: #{ status.to_s })") end status end