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Contents
require 'date'
module Lumberjack
class Device
# This log device will append entries to a file and roll the file periodically by date. Files
# are rolled at midnight and can be rolled daily, weekly, or monthly. Archive file names will
# have the date appended to them in the format ".YYYY-MM-DD" for daily, ".week-of-YYYY-MM-DD" for weekly
# and ".YYYY-MM" for monthly. It is not guaranteed that log messages will break exactly on the
# roll period as buffered entries will always be written to the same file.
class DateRollingLogFile < RollingLogFile
# Create a new logging device to the specified file. The period to roll the file is specified
# with the <tt>:roll</tt> option which may contain a value of <tt>:daily</tt>, <tt>:weekly</tt>,
# or <tt>:monthly</tt>.
def initialize(path, options = {})
@file_date = Date.today
if options[:roll] && options[:roll].to_s.match(/(daily)|(weekly)|(monthly)/i)
@roll_period = $~[0].downcase.to_sym
options.delete(:roll)
else
raise ArgumentError.new("illegal value for :roll (#{options[:roll].inspect})")
end
super
end
def archive_file_suffix
case @roll_period
when :weekly
"#{@file_date.strftime('week-of-%Y-%m-%d')}"
when :monthly
"#{@file_date.strftime('%Y-%m')}"
else
"#{@file_date.strftime('%Y-%m-%d')}"
end
end
def roll_file?
date = Date.today
if date.year > @file_date.year
true
elsif @roll_period == :daily && date.yday > @file_date.yday
true
elsif @roll_period == :weekly && date.cweek > @file_date.cweek
true
elsif @roll_period == :monthly && date.month > @file_date.month
true
else
false
end
end
protected
def after_roll
@file_date = Date.today
end
end
end
end
Version data entries
21 entries across 19 versions & 6 rubygems