replaced .create with .new on Zero::Request

lib/zero/controller.rb

@@ -7,7 +7,17 @@ module Zero
   class Controller
     # initialize a new instance of the controller and call response on it
     def self.call(env)
-      new(Zero::Request.create(env)).response
+      new(Zero::Request.new(env)).response
+    end
+
+    # set the class to use for responses
+    def self.response=(response_class)
+      @@response = response_class
+    end
+
+    # return the set response class
+    def self.response
+      @@response ||= Zero::Response
     end
 
     # set the renderer to use in the controller
@@ -29,7 +39,7 @@ module Zero
     # @param request [Request] a request object
     def initialize(request)
       @request  = request
-      @response = Zero::Response.new
+      @response = self.class.response
       @renderer = self.class.renderer
     end
 

lib/zero/request.rb

@@ -6,9 +6,16 @@ require_relative 'request/server'
 module Zero
   # This class wraps around a rack environment for easier access to all data.
   class Request
-    def self.create(environment)
-      return environment['zero.request'] if environment.has_key?('zero.request')
-      new(environment)
+    class << self
+      # replace #new with a function to reuse an already defined request
+      alias_method :__new__, :new
+
+      # reuse an already defined request in the environment or create a new one
+      # @param environment [Hash] a rack compatible request environment
+      def new(environment)
+        return environment['zero.request'] if environment.has_key?('zero.request')
+        __new__(environment)
+      end
     end
 
     # create a new request object

lib/zero/router.rb

@@ -47,7 +47,7 @@ module Zero
     # @param env [Hash] a rack environment
     # @return [Array] a rack compatible response
     def call(env)
-      request = Zero::Request.create(env)
+      request = Zero::Request.new(env)
       @routes.each do |route, target|
         match = route.match(request.path)
         if match

spec/unit/controller/call_spec.rb

@@ -21,7 +21,7 @@ describe Zero::Controller, '.call' do
     r = Zero::Request.new(env)
     r.params['foo'] = 'bar'
     subject
-    r = Zero::Request.create(env)
+    r = Zero::Request.new(env)
     expect(r.params['foo']).to eq('bar')
   end
 end

spec/unit/request/new_spec.rb

@@ -1,12 +1,12 @@
 require 'spec_helper'
 
-describe Zero::Request, '.create' do
+describe Zero::Request, '.new' do
   subject { Zero::Request.new(env) }
 
   context "with a fresh environment" do
     let(:env) { EnvGenerator.get('/foo') }
     it "creates an instance of Zero::Request" do
-      Zero::Request.create(env).should be_an_instance_of(Zero::Request)
+      Zero::Request.new(env).should be_an_instance_of(Zero::Request)
     end
   end
 
@@ -15,7 +15,7 @@ describe Zero::Request, '.create' do
     let(:new_env) { subject.env }
 
     it "returns an already build request" do
-      Zero::Request.create(new_env).should be(subject)
+      Zero::Request.new(new_env).should be(subject)
     end
   end
 end

spec/unit/router/call_spec.rb

@@ -45,7 +45,7 @@ describe Zero::Router, '#call' do
     let(:env) { EnvGenerator.get('/foo/bar') }
     let(:app) do
       lambda do |env|
-        [200, {}, [Zero::Request.create(env).params['id']]]
+        [200, {}, [Zero::Request.new(env).params['id']]]
       end
     end
     let(:result) { ['bar'] }