renaming AccessDenied exception to Unauthorized

lib/cancan/ability.rb

@@ -219,7 +219,7 @@ module CanCan
       attribute = args.first
       if cannot?(action, subject, *args)
         message ||= unauthorized_message(action, subject)
-        raise AccessDenied.new(message, action, subject)
+        raise Unauthorized.new(message, action, subject)
       elsif sufficient_attribute_check?(action, subject, attribute) && sufficient_condition_check?(action, subject)
         fully_authorized!(action, subject)
       end

lib/cancan/controller_additions.rb

@@ -292,7 +292,7 @@ module CanCan
       base.helper_method :can?, :cannot?
     end
 
-    # Raises a CanCan::AccessDenied exception if the current_ability cannot
+    # Raises a CanCan::Unauthorized exception if the current_ability cannot
     # perform the given action. This is usually called in a controller action or
     # before filter to perform the authorization.
     #
@@ -319,12 +319,12 @@ module CanCan
     # access is displayed to the user.
     #
     #   class ApplicationController < ActionController::Base
-    #     rescue_from CanCan::AccessDenied do |exception|
+    #     rescue_from CanCan::Unauthorized do |exception|
     #       redirect_to root_url, :alert => exception.message
     #     end
     #   end
     #
-    # See the CanCan::AccessDenied exception for more details on working with the exception.
+    # See the CanCan::Unauthorized exception for more details on working with the exception.
     #
     # See the load_and_authorize_resource method to automatically add the authorize! behavior
     # to the default RESTful actions.

lib/cancan/controller_resource.rb

@@ -163,7 +163,7 @@ module CanCan
         elsif @options[:shallow]
           resource_class
         else
-          raise AccessDenied # maybe this should be a record not found error instead?
+          raise Unauthorized # maybe this should be a record not found error instead?
         end
       else
         resource_class

lib/cancan/exceptions.rb

@@ -18,7 +18,7 @@ module CanCan
   # This usually happens within a call to ControllerAdditions#authorize! but can be
   # raised manually.
   #
-  #   raise CanCan::AccessDenied.new("Not authorized!", :read, Article)
+  #   raise CanCan::Unauthorized.new("Not authorized!", :read, Article)
   #
   # The passed message, action, and subject are optional and can later be retrieved when
   # rescuing from the exception.
@@ -33,9 +33,9 @@ module CanCan
   #   exception.default_message = "Default error message"
   #   exception.message # => "Default error message"
   #
-  # See ControllerAdditions#authorized! for more information on rescuing from this exception
+  # See ControllerAdditions#authorize! for more information on rescuing from this exception
   # and customizing the message using I18n.
-  class AccessDenied < Error
+  class Unauthorized < Error
     attr_reader :action, :subject
     attr_writer :default_message