changed lenses to a more OO style

Rakefile

@@ -5,7 +5,7 @@ Bundler::GemHelper.install_tasks
 
 RSpec::Core::RakeTask.new(:spec)
 
-ZIP_URL = "https://github.com/projecthydra/hydra-jetty/archive/fedora-4a5.zip"
+ZIP_URL = "https://github.com/projecthydra/hydra-jetty/archive/fedora-4a6.zip"
 require 'jettywrapper'
 
 task default: :ci

fedora_lens.gemspec

@@ -20,11 +20,11 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "rake"
-  spec.add_development_dependency "rspec"
+  spec.add_development_dependency "rspec", '~> 2.99'
   spec.add_development_dependency "childprocess"
 
   spec.add_dependency 'rdf-turtle', '~> 1.1.2'
   spec.add_dependency 'activemodel', '>= 4.0.2', "< 5.0"
   spec.add_dependency 'nokogiri', '~> 1.6.1'
-  spec.add_dependency 'ldp', '0.0.4'
+  spec.add_dependency 'ldp', '0.0.5'
 end

lib/fedora_lens.rb

@@ -29,7 +29,11 @@ module AttributeMethods
   #HOST = "http://localhost:8080"
 
   def self.connection
-    @@connection ||= Ldp::Client.new(HOST)
+    @@connection ||= Ldp::Client.new(host)
+  end
+
+  def self.host
+    HOST
   end
 
   included do
@@ -137,11 +141,11 @@ def find(id)
     end
 
     def id_to_uri(id)
-      HOST + (id.start_with?('/') ? id : '/' + id)
+      FedoraLens.host + (id.start_with?('/') ? id : '/' + id)
     end
 
     def uri_to_id(uri)
-      uri.to_s.sub(HOST, '')
+      uri.to_s.sub(FedoraLens.host, '')
     end
 
     def create(data)

lib/fedora_lens/attribute_methods/write.rb

@@ -21,10 +21,7 @@ def #{method_name}(value)
       end
 
       def write_attribute(attribute_name, value)
-        #column = column_for_attribute(attribute_name)
-        column = true # TODO check that attribute_name is valid
-
-        if column 
+        if attributes_as_lenses.key?(attribute_name) 
           @attributes[attribute_name] = value
         else
           raise ActiveModel::MissingAttributeError, "can't write unknown attribute `#{attribute_name}'"

lib/fedora_lens/lens.rb

@@ -1,15 +1,27 @@
 require 'active_support/core_ext/hash'
 
 module FedoraLens
-  class Lens < ActiveSupport::HashWithIndifferentAccess
+  class Lens
+    attr_reader(:options)
+
+    def initialize(*options)
+      @options = options
+    end
+
     def get(source)
-      self[:get].call(source)
+      raise NotImplementedError.new
     end
+
     def put(source, value)
-      self[:put].call(source, value)
+      raise NotImplementedError.new
     end
+
     def create(value)
-      self[:create].call(value)
+      raise NotImplementedError.new
+    end
+
+    def ==(other_lens)
+      self.class == other_lens.class && options == other_lens.options
     end
   end
 end