diff options
Diffstat (limited to 'activesupport/lib/active_support/values/time_zone.rb')
| -rw-r--r-- | activesupport/lib/active_support/values/time_zone.rb | 126 |
1 files changed, 82 insertions, 44 deletions
diff --git a/activesupport/lib/active_support/values/time_zone.rb b/activesupport/lib/active_support/values/time_zone.rb index ee62523824..9f4bb6762d 100644 --- a/activesupport/lib/active_support/values/time_zone.rb +++ b/activesupport/lib/active_support/values/time_zone.rb @@ -1,5 +1,5 @@ require 'tzinfo' -require 'thread_safe' +require 'concurrent' require 'active_support/core_ext/object/blank' require 'active_support/core_ext/object/try' @@ -23,15 +23,9 @@ module ActiveSupport # config.time_zone = 'Eastern Time (US & Canada)' # end # - # Time.zone # => #<TimeZone:0x514834...> + # Time.zone # => #<ActiveSupport::TimeZone:0x514834...> # Time.zone.name # => "Eastern Time (US & Canada)" # Time.zone.now # => Sun, 18 May 2008 14:30:44 EDT -04:00 - # - # The version of TZInfo bundled with Active Support only includes the - # definitions necessary to support the zones defined by the TimeZone class. - # If you need to use zones that aren't defined by TimeZone, you'll need to - # install the TZInfo gem (if a recent version of the gem is installed locally, - # this will be used instead of the bundled version.) class TimeZone # Keys are Rails TimeZone names, values are TZInfo identifiers. MAPPING = { @@ -111,9 +105,11 @@ module ActiveSupport "Jerusalem" => "Asia/Jerusalem", "Harare" => "Africa/Harare", "Pretoria" => "Africa/Johannesburg", + "Kaliningrad" => "Europe/Kaliningrad", "Moscow" => "Europe/Moscow", "St. Petersburg" => "Europe/Moscow", - "Volgograd" => "Europe/Moscow", + "Volgograd" => "Europe/Volgograd", + "Samara" => "Europe/Samara", "Kuwait" => "Asia/Kuwait", "Riyadh" => "Asia/Riyadh", "Nairobi" => "Africa/Nairobi", @@ -170,6 +166,7 @@ module ActiveSupport "Guam" => "Pacific/Guam", "Port Moresby" => "Pacific/Port_Moresby", "Magadan" => "Asia/Magadan", + "Srednekolymsk" => "Asia/Srednekolymsk", "Solomon Is." => "Pacific/Guadalcanal", "New Caledonia" => "Pacific/Noumea", "Fiji" => "Pacific/Fiji", @@ -184,15 +181,15 @@ module ActiveSupport } UTC_OFFSET_WITH_COLON = '%s%02d:%02d' - UTC_OFFSET_WITHOUT_COLON = UTC_OFFSET_WITH_COLON.sub(':', '') + UTC_OFFSET_WITHOUT_COLON = UTC_OFFSET_WITH_COLON.tr(':', '') - @lazy_zones_map = ThreadSafe::Cache.new + @lazy_zones_map = Concurrent::Map.new class << self # Assumes self represents an offset from UTC in seconds (as returned from # Time#utc_offset) and turns this into an +HH:MM formatted string. # - # TimeZone.seconds_to_utc_offset(-21_600) # => "-06:00" + # ActiveSupport::TimeZone.seconds_to_utc_offset(-21_600) # => "-06:00" def seconds_to_utc_offset(seconds, colon = true) format = colon ? UTC_OFFSET_WITH_COLON : UTC_OFFSET_WITHOUT_COLON sign = (seconds < 0 ? '-' : '+') @@ -202,7 +199,7 @@ module ActiveSupport end def find_tzinfo(name) - TZInfo::TimezoneProxy.new(MAPPING[name] || name) + TZInfo::Timezone.new(MAPPING[name] || name) end alias_method :create, :new @@ -221,13 +218,6 @@ module ActiveSupport @zones ||= zones_map.values.sort end - def zones_map - @zones_map ||= begin - MAPPING.each_key {|place| self[place]} # load all the zones - @lazy_zones_map - end - end - # Locate a specific time zone object. If the argument is a string, it # is interpreted to mean the name of the timezone to locate. If it is a # numeric value it is either the hour offset, or the second offset, of the @@ -237,7 +227,7 @@ module ActiveSupport case arg when String begin - @lazy_zones_map[arg] ||= create(arg).tap { |tz| tz.utc_offset } + @lazy_zones_map[arg] ||= create(arg) rescue TZInfo::InvalidTimezoneIdentifier nil end @@ -254,6 +244,14 @@ module ActiveSupport def us_zones @us_zones ||= all.find_all { |z| z.name =~ /US|Arizona|Indiana|Hawaii|Alaska/ } end + + private + def zones_map + @zones_map ||= begin + MAPPING.each_key {|place| self[place]} # load all the zones + @lazy_zones_map + end + end end include Comparable @@ -276,13 +274,17 @@ module ActiveSupport if @utc_offset @utc_offset else - @current_period ||= tzinfo.try(:current_period) - @current_period.try(:utc_offset) + @current_period ||= tzinfo.current_period if tzinfo + @current_period.utc_offset if @current_period end end - # Returns the offset of this time zone as a formatted string, of the - # format "+HH:MM". + # Returns a formatted string of the offset from UTC, or an alternative + # string if the time zone is already UTC. + # + # zone = ActiveSupport::TimeZone['Central Time (US & Canada)'] + # zone.formatted_offset # => "-06:00" + # zone.formatted_offset(false) # => "-0600" def formatted_offset(colon=true, alternate_utc_string = nil) utc_offset == 0 && alternate_utc_string || self.class.seconds_to_utc_offset(utc_offset, colon) end @@ -344,24 +346,31 @@ module ActiveSupport # # Time.zone.parse('Mar 2000') # => Wed, 01 Mar 2000 00:00:00 HST -10:00 def parse(str, now=now()) - parts = Date._parse(str, false) - return if parts.empty? - - time = Time.new( - parts.fetch(:year, now.year), - parts.fetch(:mon, now.month), - parts.fetch(:mday, parts[:year] || parts[:mon] ? 1 : now.day), - parts.fetch(:hour, 0), - parts.fetch(:min, 0), - parts.fetch(:sec, 0) + parts.fetch(:sec_fraction, 0), - parts.fetch(:offset, 0) - ) - - if parts[:offset] - TimeWithZone.new(time.utc, self) - else - TimeWithZone.new(nil, self, time) - end + parts_to_time(Date._parse(str, false), now) + end + + # Parses +str+ according to +format+ and returns an ActiveSupport::TimeWithZone. + # + # Assumes that +str+ is a time in the time zone +self+, + # unless +format+ includes an explicit time zone. + # (This is the same behavior as +parse+.) + # In either case, the returned TimeWithZone has the timezone of +self+. + # + # Time.zone = 'Hawaii' # => "Hawaii" + # Time.zone.strptime('1999-12-31 14:00:00', '%Y-%m-%d %H:%M:%S') # => Fri, 31 Dec 1999 14:00:00 HST -10:00 + # + # If upper components are missing from the string, they are supplied from + # TimeZone#now: + # + # Time.zone.now # => Fri, 31 Dec 1999 14:00:00 HST -10:00 + # Time.zone.strptime('22:30:00', '%H:%M:%S') # => Fri, 31 Dec 1999 22:30:00 HST -10:00 + # + # However, if the date component is not provided, but any other upper + # components are supplied, then the day of the month defaults to 1: + # + # Time.zone.strptime('Mar 2000', '%b %Y') # => Wed, 01 Mar 2000 00:00:00 HST -10:00 + def strptime(str, format, now=now()) + parts_to_time(DateTime._strptime(str, format), now) end # Returns an ActiveSupport::TimeWithZone instance representing the current @@ -373,7 +382,7 @@ module ActiveSupport time_now.utc.in_time_zone(self) end - # Return the current date in this time zone. + # Returns the current date in this time zone. def today tzinfo.now.to_date end @@ -417,7 +426,36 @@ module ActiveSupport tzinfo.periods_for_local(time) end + def init_with(coder) #:nodoc: + initialize(coder['name']) + end + + def encode_with(coder) #:nodoc: + coder.tag ="!ruby/object:#{self.class}" + coder.map = { 'name' => tzinfo.name } + end + private + def parts_to_time(parts, now) + return if parts.empty? + + time = Time.new( + parts.fetch(:year, now.year), + parts.fetch(:mon, now.month), + parts.fetch(:mday, parts[:year] || parts[:mon] ? 1 : now.day), + parts.fetch(:hour, 0), + parts.fetch(:min, 0), + parts.fetch(:sec, 0) + parts.fetch(:sec_fraction, 0), + parts.fetch(:offset, 0) + ) + + if parts[:offset] + TimeWithZone.new(time.utc, self) + else + TimeWithZone.new(nil, self, time) + end + end + def time_now Time.now end |