Use net http instead faraday

lib/rakuten_web_service/client.rb

@@ -1,6 +1,4 @@
 require 'uri'
-require 'faraday'
-require 'faraday_middleware'
 
 require 'rakuten_web_service/response'
 
@@ -12,44 +10,42 @@ class SystemError < StandardError; end
   class ServiceUnavailable < StandardError; end
 
   class Client
-    attr_reader :url, :path
+    attr_reader :url
 
     def initialize(resource_class)
       @resource_class = resource_class
-      url = URI.parse(@resource_class.endpoint)
-      @url = "#{url.scheme}://#{url.host}"
-      @path = url.path
+      @url = URI.parse(@resource_class.endpoint)
     end
 
     def get(params)
       params = RakutenWebService.configuration.generate_parameters(params)
-      response = connection.get(path, params)
-      case response.status
+      response = request(url.path, params)
+      body = JSON.parse(response.body)
+      case response.code.to_i
       when 200
-        return RakutenWebService::Response.new(@resource_class, response.body)
+        return RakutenWebService::Response.new(@resource_class, body)
       when 400
-        raise WrongParameter, response.body['error_description']
+        raise WrongParameter, body['error_description']
       when 404
-        raise NotFound, response.body['error_description']
+        raise NotFound, body['error_description']
       when 429
-        raise TooManyRequests, response.body['error_description']
+        raise TooManyRequests, body['error_description']
       when 500
-        raise SystemError, response.body['error_description']
+        raise SystemError, body['error_description']
       when 503
-        raise ServiceUnavailable, response.body['error_description']
+        raise ServiceUnavailable, body['error_description']
       end
     end
 
     private
-    def connection
-      return @connection if @connection
-      @connection = Faraday.new(:url => url) do |conn|
-        conn.request :url_encoded
-        conn.response :json
-        conn.response :logger if RakutenWebService.configuration.debug
-        conn.adapter Faraday.default_adapter
-        conn.headers['User-Agent'] = "RakutenWebService SDK for Ruby v#{RWS::VERSION}(ruby-#{RUBY_VERSION} [#{RUBY_PLATFORM}])"
-      end
+    def request(path, params)
+      http = Net::HTTP.new(@url.host, @url.port)
+      http.use_ssl = true
+      path = "#{path}?#{params.map { |k, v| "#{k}=#{URI.encode(v.to_s)}" }.join('&')}"
+      header = {
+        'User-Agent' => "RakutenWebService SDK for Ruby v#{RWS::VERSION}(ruby-#{RUBY_VERSION} [#{RUBY_PLATFORM}])"
+      }
+      http.get(path, header)
     end
   end
 end

rakuten_web_service.gemspec

@@ -19,9 +19,6 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
   spec.required_ruby_version = '>= 2.1.0'
 
-  spec.add_dependency 'faraday', '~> 0.9.0'
-  spec.add_dependency 'faraday_middleware'
-
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "webmock", "~> 1.20.4"

spec/rakuten_web_service/client_spec.rb

@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe RakutenWebService::Client do
-  let(:endpoint) { 'http://api.example.com/resources' }
+  let(:endpoint) { 'https://api.example.com/resources' }
   let(:resource_class) do
     double('resource_class', endpoint: endpoint)
   end

spec/spec_helper.rb

@@ -9,6 +9,7 @@
 require File.expand_path(File.join(__dir__, '..', 'lib', 'rakuten_web_service'))
 
 require 'webmock/rspec'
+require 'tapp'
 
 Dir[File.expand_path(File.join(__dir__, "support/**/*.rb"))].each { |f| require f }