A bit of name refactoring

lib/paperclip.rb

@@ -114,7 +114,7 @@ module Paperclip
     end
 
     def each_instance_with_attachment(klass, name)
-      obtain_class_from_class_name(klass).all.each do |instance|
+      class_for(klass).all.each do |instance|
         yield(instance) if instance.send(:"#{name}?")
       end
     end
@@ -133,7 +133,7 @@ module Paperclip
       options[:log]
     end
     
-    def obtain_class_from_class_name(class_name)
+    def class_for(class_name)
       class_name.split('::').inject(Object) do |klass, partial_class_name|
         klass.const_get(partial_class_name)
       end

lib/tasks/paperclip.rake

@@ -5,7 +5,7 @@ def obtain_class
 end
 
 def obtain_attachments(klass)
-  klass = Paperclip.obtain_class_from_class_name(klass.to_s)
+  klass = Paperclip.class_for(klass.to_s)
   name = ENV['ATTACHMENT'] || ENV['attachment']
   raise "Class #{klass.name} has no attachments specified" unless klass.respond_to?(:attachment_definitions)
   if !name.blank? && klass.attachment_definitions.keys.include?(name)

test/paperclip_test.rb

@@ -72,6 +72,11 @@ class PaperclipTest < Test::Unit::TestCase
     assert_equal ::Paperclip::Thumbnail, Paperclip.processor(:thumbnail)
   end
 
+  should "get a class from a namespaced class name" do
+    class ::One; class Two; end; end
+    assert_equal ::One::Two, Paperclip.class_for("One::Two")
+  end
+
   context "An ActiveRecord model with an 'avatar' attachment" do
     setup do
       rebuild_model :path => "tmp/:class/omg/:style.:extension"