lib/tzinfo/timezone.rb in tzinfo-1.2.0 vs lib/tzinfo/timezone.rb in tzinfo-1.2.1

@@ -197,11 +197,11 @@
       Country.get('US').zone_identifiers
     end
     
     # The identifier of the timezone, e.g. "Europe/Paris".
     def identifier
-      raise UnknownTimezone, 'TZInfo::Timezone constructed directly'
+      raise_unknown_timezone
     end
     
     # An alias for identifier.
     def name
       # Don't use alias, as identifier gets overridden.
@@ -266,19 +266,19 @@
     
     # Returns the TimezonePeriod for the given UTC time. utc can either be
     # a DateTime, Time or integer timestamp (Time.to_i). Any timezone 
     # information in utc is ignored (it is treated as a UTC time).        
     def period_for_utc(utc)            
-      raise UnknownTimezone, 'TZInfo::Timezone constructed directly'      
+      raise_unknown_timezone
     end
     
     # Returns the set of TimezonePeriod instances that are valid for the given
     # local time as an array. If you just want a single period, use 
     # period_for_local instead and specify how ambiguities should be resolved.
     # Returns an empty array if no periods are found for the given time.
     def periods_for_local(local)
-      raise UnknownTimezone, 'TZInfo::Timezone constructed directly'
+      raise_unknown_timezone
     end
     
     # Returns an Array of TimezoneTransition instances representing the times
     # where the UTC offset of the timezone changes.
     #
@@ -300,11 +300,11 @@
     # integer timestamps (Time.to_i).
     #
     # If utc_from is specified and utc_to is not greater than utc_from, then
     # transitions_up_to raises an ArgumentError exception.
     def transitions_up_to(utc_to, utc_from = nil)
-      raise UnknownTimezone, 'TZInfo::Timezone constructed directly'
+      raise_unknown_timezone
     end
     
     # Returns the canonical Timezone instance for this Timezone.
     #
     # The IANA Time Zone database contains two types of definition: Zones and 
@@ -339,11 +339,11 @@
     # tzinfo-data gem should be installed.
     #
     # The TZInfo::DataSource.get method can be used to check which DataSource 
     # implementation is being used.
     def canonical_zone
-      raise UnknownTimezone, 'TZInfo::Timezone constructed directly'
+      raise_unknown_timezone
     end
     
     # Returns the TimezonePeriod for the given local time. local can either be
     # a DateTime, Time or integer timestamp (Time.to_i). Any timezone 
     # information in local is ignored (it is treated as a time in the current 
@@ -625,8 +625,12 @@
       end
       
       # Returns the current DataSource
       def self.data_source
         DataSource.get
+      end
+
+      def raise_unknown_timezone
+        raise UnknownTimezone, 'TZInfo::Timezone constructed directly'
       end
   end        
 end