From c18f02460370b83191f0ad07e3da3e4f37ba741f Mon Sep 17 00:00:00 2001
From: wynst <wynst.uei@gmail.com>
Date: Mon, 22 Feb 2010 00:48:19 +0700
Subject: [PATCH] Dynamically load json library (add compatibility with
 appengine-jruby)

---
 lib/sinbook.rb  | 17 ++++++++++++++---
 sinbook.gemspec |  3 +--
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/lib/sinbook.rb b/lib/sinbook.rb
index b47a43d..b2aae97 100644
--- a/lib/sinbook.rb
+++ b/lib/sinbook.rb
@@ -11,7 +11,6 @@ class FacebookError < StandardError
 
 module Sinatra
   require 'digest/md5'
-  require 'yajl'
 
   class FacebookObject
     def initialize app
@@ -200,10 +199,22 @@ def request method, opts = {}
 
                        "#{k}=" + case v
                                  when Hash
-                                   Yajl::Encoder.encode(v)
+                                   if Object.const_defined?("Yajl") && Yajl.const_defined?("Encoder")
+                                     Yajl::Encoder.encode(v)
+                                   elsif Object.const_defined("JSON")
+                                     JSON.generate(v)
+                                   else
+                                     throw "you need to require either 'yajl' or 'json' for sinbook to work"
+                                   end
                                  when Array
                                    if k == :tags
-                                     Yajl::Encoder.encode(v)
+                                     if Object.const_defined?("Yajl") && Yajl.const_defined?("Encoder")
+                                       Yajl::Encoder.encode(v)
+                                     elsif Object.const_defined("JSON")
+                                       JSON.generate(v)
+                                     else
+                                       throw "you need to require either 'yajl' or 'json' for sinbook to work"
+                                     end
                                    else
                                      v.join(',')
                                    end
diff --git a/sinbook.gemspec b/sinbook.gemspec
index 991c300..4f88c9f 100644
--- a/sinbook.gemspec
+++ b/sinbook.gemspec
@@ -1,6 +1,6 @@
 spec = Gem::Specification.new do |s|
   s.name = 'sinbook'
-  s.version = '0.1.9'
+  s.version = '0.1.9.aej'
   s.date = '2010-02-04'
   s.summary = 'simple sinatra facebook extension in 300 lines of ruby'
   s.description = 'A full-featured facebook extension for the sinatra webapp framework'
@@ -10,7 +10,6 @@ spec = Gem::Specification.new do |s|
   s.authors = ["Aman Gupta"]
   s.email = "aman@tmm1.net"
 
-  s.add_dependency('yajl-ruby')
   s.has_rdoc = false
 
   # ruby -rpp -e' pp `git ls-files | grep -v examples`.split("\n") '