Class: File::Visitor::Filter::Mtime

Inherits:
Object
  • Object
show all
Includes:
TimeUtils
Defined in:
lib/file/visitor/filter/mtime.rb

Constant Summary collapse

PASSED_COMPARATOR = 
{
  :passed  => :is_older_than,
  :passed= => :is_older_than=,
}

Constants included from TimeUtils

TimeUtils::COMPARATOR, TimeUtils::UNIT_SEC

Instance Method Summary collapse

Methods included from TimeUtils

#compare_time, #to_time, #unitexp2sec

Constructor Details

#initialize(*args) ⇒ Mtime

Two ways to initialize filter:

1) File::Visitor::Filter::Mtime.new(
     :younger_than, "2012-01-01")
2) File::Visitor::Filter::Mtime.new(
     :passed, 30, :days)



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/file/visitor/filter/mtime.rb', line 19

def initialize(*args)
  comparator  = args.shift
  target_time = nil

  # case 1)
  if PASSED_COMPARATOR.keys.include?(comparator)
    count = args.shift
    unit  = args.shift
    target_time = Time.now -
      unitexp2sec(count, unit)
    comparator = PASSED_COMPARATOR[comparator]
  # case 2)
  else
    unless COMPARATOR.include?(comparator)
      raise ArgumentError,
        "comparator must be in " +
        COMPARATOR.join(", ")
    end
    target_time = args.shift
    if target_time.is_a?(String)
      target_time = Time.parse(target_time)
    end
    unless target_time.is_a?(Time)
      raise ArgumentError, "time must be a Time"
    end
  end 

  @comparator  = comparator
  @target_time = target_time
end

Instance Method Details

#match?(path) ⇒ Boolean

Returns:

  • (Boolean) 


50
51
52
53
54
55
56
 
# File 'lib/file/visitor/filter/mtime.rb', line 50

def match?(path)
  compare_time(
    File.mtime(path),
    @comparator,
    @target_time
  )
end