1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
# frozen_string_literal: true
module Lumberjack
class Formatter
# Format a Date, Time, or DateTime object. If you don't specify a format in the constructor, it will use
# the ISO-8601 format with microsecond precision. This formatter provides consistent date/time representation
# across your application logs.
class DateTimeFormatter
FormatterRegistry.add(:date_time, self)
# @!attribute [r] format
# @return [String, nil] The strftime format string, or nil for ISO-8601 default.
attr_reader :format
# @param format [String, nil] The format to use when formatting the date/time object.
# If nil, uses ISO-8601 format with microsecond precision.
def initialize(format = nil)
@format = format.dup.to_s.freeze unless format.nil?
end
# Format a date/time object using the configured format.
#
# @param obj [Date, Time, DateTime, Object] The object to format. Should respond to
# strftime (for custom format) or iso8601 (for default format).
# @return [String] The formatted date/time string.
def call(obj)
if @format && obj.respond_to?(:strftime)
obj.strftime(@format)
elsif obj.respond_to?(:iso8601)
obj.iso8601(6)
else
obj.to_s
end
end
end
end
end
|
