Support for custom request encoding (e.g. POST or JSON).

faraday.gemspec

@@ -9,7 +9,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["rick"]
-  s.date = %q{2009-12-22}
+  s.date = %q{2009-12-31}
   s.description = %q{HTTP/REST API client library with pluggable components}
   s.email = %q{technoweenie@gmail.com}
   s.extra_rdoc_files = [

lib/faraday.rb

@@ -21,7 +21,15 @@ module Faraday
     :Connection     => 'connection',
     :TestConnection => 'test_connection',
     :Response       => 'response',
-    :Error          => 'error'
+    :Error          => 'error',
+    :Loadable       => 'loadable'
+
+  module Request
+    extend AutoloadHelper
+    autoload_all 'faraday/request',
+      :YajlRequest => 'yajl_request',
+      :PostRequest => 'post_request'
+  end
 
   module Adapter
     extend AutoloadHelper

lib/faraday/adapter/net_http.rb

@@ -20,11 +20,11 @@ module Faraday
       end
 
       def _put(uri, data, request_headers)
-        _perform('PUT', uri, post_encode(data), request_headers)
+        _perform('PUT', uri, encode_params(data), request_headers)
       end
 
       def _post(uri, data, request_headers)
-        _perform('POST', uri, post_encode(data), request_headers)
+        _perform('POST', uri, encode_params(data), request_headers)
       end
 
       def _get(uri, request_headers)
@@ -35,19 +35,6 @@ module Faraday
         _perform('DELETE', uri, uri.query, request_headers)
       end
 
-      def post_encode data
-        create_post_params data
-      end
-    
-     private
-      def create_post_params(params, base = "")
-        [].tap do |toreturn|
-          params.each_key do |key|
-            keystring = base == '' ? key : "#{base}[#{key}]"
-            toreturn << (params[key].kind_of?(Hash) ? create_post_params(params[key], keystring) : "#{keystring}=#{CGI.escape(params[key].to_s)}")
-          end
-        end.join('&')
-      end
     end
   end
 end

lib/faraday/adapter/typhoeus.rb

@@ -26,7 +26,7 @@ module Faraday
         end
         
         def _post(uri, data, request_headers)
-          _perform(:post, uri, :headers => request_headers, :params => data)
+          _perform(:post, uri, :headers => request_headers, :body => encode_params(data))
         end
 
         def _get(uri, request_headers)
@@ -34,7 +34,7 @@ module Faraday
         end
 
         def _put(uri, data, request_headers)
-          _perform(:put, uri, :headers => request_headers, :params => data)
+          _perform(:put, uri, :headers => request_headers, :body => encode_params(data))
         end
 
         def _delete(uri, request_headers)

lib/faraday/connection.rb

@@ -17,6 +17,7 @@ module Faraday
 
     def initialize(url = nil)
       @response_class = nil
+      @request_class  = nil
       self.url_prefix = url if url
     end
 
@@ -28,6 +29,10 @@ module Faraday
       self.path_prefix = uri.path
     end
 
+    def encode_params data
+      request_class.new(data).encode
+    end
+
     # Override in a subclass, or include an adapter
     #
     #   def _get(uri, headers)
@@ -59,6 +64,10 @@ module Faraday
       _delete build_uri(uri, params), headers
     end
 
+    def request_class
+      @request_class || Request::PostRequest
+    end
+
     def response_class
       @response_class || Response
     end
@@ -70,6 +79,13 @@ module Faraday
       @response_class = v
     end
 
+    def request_class=(v)
+      if v.respond_to?(:loaded?) && !v.loaded?
+        raise ArgumentError, "The request class: #{v.inspect} does not appear to be loaded."
+      end
+      @request_class = v
+    end
+
     def in_parallel?
       !!@parallel_manager
     end

lib/faraday/loadable.rb

@@ -0,0 +1,13 @@
+module Faraday
+  module Loadable
+    def self.extended mod
+      class << mod
+        attr_accessor :load_error
+      end
+    end
+
+    def self.loaded?
+      load_error.nil?
+    end
+  end
+end

lib/faraday/request/post_request.rb

@@ -0,0 +1,25 @@
+module Faraday
+  module Request
+    class PostRequest
+      extend Loadable
+
+      def initialize params
+        @params = params
+      end
+
+      def encode
+        create_post_params @params
+      end
+    
+     private
+      def create_post_params(params, base = "")
+        [].tap do |toreturn|
+          params.each_key do |key|
+            keystring = base == '' ? key : "#{base}[#{key}]"
+            toreturn << (params[key].kind_of?(Hash) ? create_post_params(params[key], keystring) : "#{keystring}=#{CGI.escape(params[key].to_s)}")
+          end
+        end.join('&')
+      end
+    end
+  end
+end

lib/faraday/request/yajl_request.rb

@@ -0,0 +1,22 @@
+module Faraday
+  module Request
+    class YajlRequest
+      extend Loadable
+
+      begin
+        require 'yajl'
+
+        def initialize params
+          @params = params
+        end
+
+        # TODO streaming
+        def encode
+          Yajl::Encoder.encode @params
+        end
+      rescue LoadError => e
+        self.load_error = e
+      end
+    end
+  end
+end

lib/faraday/response.rb

@@ -1,11 +1,6 @@
 module Faraday
   class Response < Struct.new(:headers, :body)
-    class << self
-      attr_accessor :load_error
-      def loaded?
-        !load_error
-      end
-    end
+    extend Loadable
 
     extend AutoloadHelper
     autoload_all 'faraday/response', 
@@ -40,4 +35,4 @@ module Faraday
       self.body = body.join if body.respond_to?(:join)
     end
   end
-end
+end

test/helper.rb

@@ -1,5 +1,6 @@
 require 'rubygems'
 require 'context'
+require 'ruby-debug'
 if ENV['LEFTRIGHT']
   require 'leftright'
 end