From c8f84bc88d095e031daa6baf65128ac1a66659bc Mon Sep 17 00:00:00 2001
From: guilherme silveira <guilherme.silveira@caelum.com.br>
Date: Sun, 24 Oct 2010 18:34:50 -0200
Subject: [PATCH 1/2] adding refresh support

---
 lib/restfulie/common.rb                |  3 +-
 lib/restfulie/common/core_ext/hash.rb  |  6 ++++
 lib/restfulie/common/links.rb          |  9 +++++
 lib/restfulie/common/representation.rb |  5 +--
 spec/unit/common/links_spec.rb         | 46 ++++++++++++++++++++++++++
 5 files changed, 64 insertions(+), 5 deletions(-)
 create mode 100644 lib/restfulie/common/links.rb
 create mode 100644 spec/unit/common/links_spec.rb

diff --git a/lib/restfulie/common.rb b/lib/restfulie/common.rb
index d2e87a61..efb7b070 100644
--- a/lib/restfulie/common.rb
+++ b/lib/restfulie/common.rb
@@ -4,14 +4,15 @@
 require 'rubygems'
 require 'active_support'
 require 'action_controller'
-require 'restfulie/common/core_ext'
 
 module Restfulie
   module Common
     autoload :Error, 'restfulie/common/error'
+    autoload :Links, 'restfulie/common/links'
     autoload :Logger, 'restfulie/common/logger'
     autoload :Representation, 'restfulie/common/representation'
     autoload :Converter, 'restfulie/common/converter'
   end
 end
 
+require 'restfulie/common/core_ext'
diff --git a/lib/restfulie/common/core_ext/hash.rb b/lib/restfulie/common/core_ext/hash.rb
index f00bab11..b997a436 100644
--- a/lib/restfulie/common/core_ext/hash.rb
+++ b/lib/restfulie/common/core_ext/hash.rb
@@ -1,12 +1,18 @@
 class Hash
+
   def links(*args)
     links = fetch("link", [])
     Restfulie::Common::Converter::Xml::Links.new(links)
   end
+
+  include Restfulie::Common::Links
+
   def method_missing(sym, *args)
     self[sym.to_s].nil? ? super(sym, args) : self[sym.to_s]
   end
+  
   def respond_to?(sym)
     include?(sym.to_s) || super(sym)
   end
+  
 end
diff --git a/lib/restfulie/common/links.rb b/lib/restfulie/common/links.rb
new file mode 100644
index 00000000..93e61933
--- /dev/null
+++ b/lib/restfulie/common/links.rb
@@ -0,0 +1,9 @@
+module Restfulie
+  module Common
+    module Links
+      def refresh
+        links.self.follow.get
+      end
+    end
+  end
+end
diff --git a/lib/restfulie/common/representation.rb b/lib/restfulie/common/representation.rb
index 13fb60f7..94c2f822 100644
--- a/lib/restfulie/common/representation.rb
+++ b/lib/restfulie/common/representation.rb
@@ -1,6 +1,3 @@
 module Restfulie::Common::Representation
-  autoload :Atom, 'restfulie/common/representation/atom'
-  autoload :Generic, 'restfulie/common/representation/generic'
-  autoload :Json, 'restfulie/common/representation/json'
-  autoload :Links, 'restfulie/common/representation/links'
+  Dir["#{File.dirname(__FILE__)}/representation/*.rb"].each {|f| autoload File.basename(f)[0..-4].camelize.to_sym, f }
 end
diff --git a/spec/unit/common/links_spec.rb b/spec/unit/common/links_spec.rb
new file mode 100644
index 00000000..3db79b1d
--- /dev/null
+++ b/spec/unit/common/links_spec.rb
@@ -0,0 +1,46 @@
+require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper')
+
+describe Restfulie::Common::Links do
+  
+  class RefreshieLinks
+    include Restfulie::Common::Links
+    def initialize(what)
+      @what = what
+    end
+    def links
+      RefreshieSelf.new(@what)
+    end
+  end
+
+  class RefreshieSelf
+    def initialize(what)
+      @what = what
+    end
+    def self
+      RefreshieFollow.new(@what)
+    end
+  end
+
+  class RefreshieGet
+    def initialize(what)
+      @what = what
+    end
+    def get
+      @what
+    end
+  end
+
+  class RefreshieFollow
+    def initialize(what)
+      @what = what
+    end
+    def follow
+      RefreshieGet.new(@what)
+    end
+  end
+
+  it "should get self when refreshing itself" do
+    RefreshieLinks.new("myself").refresh.should == "myself"
+  end
+
+end

From 14d28fa57b4d286509dab8c76e2f3edeb1771ef6 Mon Sep 17 00:00:00 2001
From: guilherme silveira <guilherme.silveira@caelum.com.br>
Date: Sun, 24 Oct 2010 18:35:54 -0200
Subject: [PATCH 2/2] adding support to refresh for atom and json

---
 lib/restfulie/common/representation/atom/base.rb            | 2 ++
 lib/restfulie/common/representation/json/keys_as_methods.rb | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/lib/restfulie/common/representation/atom/base.rb b/lib/restfulie/common/representation/atom/base.rb
index a9bd80d8..0acabdcf 100644
--- a/lib/restfulie/common/representation/atom/base.rb
+++ b/lib/restfulie/common/representation/atom/base.rb
@@ -104,6 +104,8 @@ def contributors
             @contributors
           end
         
+          include Restfulie::Common::Links
+
           # It has one required attribute, href, and five optional attributes: rel, type, hreflang, title, and length
           def links
             return @links if @links
diff --git a/lib/restfulie/common/representation/json/keys_as_methods.rb b/lib/restfulie/common/representation/json/keys_as_methods.rb
index 13153a64..a256ffa4 100644
--- a/lib/restfulie/common/representation/json/keys_as_methods.rb
+++ b/lib/restfulie/common/representation/json/keys_as_methods.rb
@@ -44,6 +44,8 @@ def __metaclass__
             class << self; self; end
           end
           
+          include Restfulie::Common::Links
+
           # easy accessors to links
           def links
             some_links = self["link"]