activesupport/lib/active_support/core_ext/time.rb


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require 'date'
require 'time'

class Time
  # Ruby 1.8-cvs and 1.9 define private Time#to_date
  %w(to_date to_datetime).each do |method|
    public method if private_instance_methods.include?(method)
  end

  # Pre-1.9 versions of Ruby have a bug with marshaling Time instances, where utc instances are
  # unmarshaled in the local zone, instead of utc. We're layering behavior on the _dump and _load
  # methods so that utc instances can be flagged on dump, and coerced back to utc on load.
  if RUBY_VERSION < '1.9'
    class << self
      alias_method :_original_load, :_load
      def _load(marshaled_time)
        time = _original_load(marshaled_time)
        utc = time.send(:remove_instance_variable, '@marshal_with_utc_coercion')
        utc ? time.utc : time
      end
    end
    
    alias_method :_original_dump, :_dump
    def _dump(*args)
      obj = self.frozen? ? self.dup : self
      obj.instance_variable_set('@marshal_with_utc_coercion', utc?)
      obj._original_dump(*args)
    end
  end
end

require 'active_support/core_ext/time/behavior'
require 'active_support/core_ext/time/calculations'
require 'active_support/core_ext/time/conversions'
require 'active_support/core_ext/time/zones'

class Time#:nodoc:
  include ActiveSupport::CoreExtensions::Time::Behavior
  include ActiveSupport::CoreExtensions::Time::Calculations
  include ActiveSupport::CoreExtensions::Time::Conversions
  include ActiveSupport::CoreExtensions::Time::Zones
end