Checkout of Instiki Trunk 1/21/2007.

vendor/rails/activesupport/lib/active_support/core_ext/time/conversions.rb

@@ -0,0 +1,37 @@
+require 'date'
+require 'time'
+
+module ActiveSupport #:nodoc:
+  module CoreExtensions #:nodoc:
+    module Time #:nodoc:
+      # Getting times in different convenient string representations and other objects
+      module Conversions
+        DATE_FORMATS = {
+          :db     => "%Y-%m-%d %H:%M:%S",
+          :short  => "%d %b %H:%M",
+          :long   => "%B %d, %Y %H:%M",
+          :rfc822 => "%a, %d %b %Y %H:%M:%S %z"
+        }
+
+        def self.append_features(klass)
+          super
+          klass.send(:alias_method, :to_default_s, :to_s)
+          klass.send(:alias_method, :to_s, :to_formatted_s)
+        end
+        
+        def to_formatted_s(format = :default)
+          DATE_FORMATS[format] ? strftime(DATE_FORMATS[format]).strip : to_default_s          
+        end
+
+        def to_date
+          ::Date.new(year, month, day)
+        end
+
+        # To be able to keep Dates and Times interchangeable on conversions
+        def to_time
+          self
+        end
+      end
+    end
+  end
+end