add support for configurable Faraday::Connection#response_class

lib/faraday.rb

@@ -8,27 +8,7 @@ module Faraday
   end
 
   autoload :Connection, 'faraday/connection'
-
-  class Response < Struct.new(:headers, :body)
-    def initialize(headers = nil, body = nil)
-      super(headers || {}, body)
-      if block_given?
-        yield self
-        processed!
-      end
-    end
-
-    def process(chunk)
-      if !body
-        self.body = []
-      end
-      body << chunk
-    end
-
-    def processed!
-      self.body = body.join if body.respond_to?(:join)
-    end
-  end
+  autoload :Response,   'faraday/response'
 
   module Adapter
     autoload :NetHttp, 'faraday/adapter/net_http'

lib/faraday/adapter/net_http.rb

@@ -4,7 +4,7 @@ module Faraday
     module NetHttp
       def _get(uri, request_headers)
         http      = Net::HTTP.new(uri.host, uri.port)
-        Response.new do |resp|
+        response_class.new do |resp|
           http_resp = http.get(uri.path, request_headers) do |chunk|
             resp.process(chunk)
           end

lib/faraday/connection.rb

@@ -4,9 +4,11 @@ module Faraday
     include Addressable
 
     attr_accessor :host, :port
-    attr_reader :path_prefix
+    attr_reader   :path_prefix
+    attr_writer   :response_class
 
     def initialize(url = nil)
+      @response_class = nil
       if url
         uri              = URI.parse(url)
         self.host        = uri.host
@@ -21,7 +23,11 @@ module Faraday
     #   end
     #
     def get(url, params = {}, headers = {})
-      _get(build_uri(url, params), headers)
+      _get(build_uri(url, params), headers).content
+    end
+
+    def response_class
+      @response_class || Response
     end
 
     def path_prefix=(value)

lib/faraday/response.rb

@@ -0,0 +1,29 @@
+module Faraday
+  class Response < Struct.new(:headers, :body)
+    autoload :StringResponse, 'faraday/response/string_response'
+
+    def initialize(headers = nil, body = nil)
+      super(headers || {}, body)
+      if block_given?
+        yield self
+        processed!
+      end
+    end
+
+    def process(chunk)
+      if !body
+        self.body = []
+      end
+      body << chunk
+    end
+
+    def processed!
+      self.body = body.join if body.respond_to?(:join)
+    end
+
+    # determines what Faraday::Connection#get returns
+    def content
+      self
+    end
+  end
+end