怎么遍历读出这个json数组?

String json = "[domain:'sina.weibo.com',id:'sina:12378775619',content:'新浪微博内容',imageUrls:['http://fs.wefound.cn/fs/tp/3cbc73f2-9d6f-44c2-8a8f-cbff763fad9c.jpg','http://fs.wefound.cn/fs/tp/fe62097b-7b51-475a-bf1e-8c0a8b8411e8.png'],fowards:35,comments:356,pubTime:'2013-08-25',authorId:'xtduwei',authorName:'张三',authorHeadImageUrl:'http://fs.wefound.cn/fs/tp/c4df0346-3d13-4cda-8e66-7e11be82b477.jpg',"originalMicroblog:[domain:'tencent.weibo.com',id:'tencent:987546254',content:'腾讯微博内容',imageUrls:['http://fs.wefound.cn/fs/tp/3cbc73f2-9d6f-44c2-8a8f-cbff763fad9c.jpg','http://fs.wefound.cn/fs/tp/fe62097b-7b51-475a-bf1e-8c0a8b8411e8.png'],fowards:35,comments:356,pubTime:'2013-08-25',authorId:'xtduwei1',authorName:'李四1',authorHeadImageUrl:'http://fs.wefound.cn/fs/tp/c4df0346-3d13-4cda-8e66-7e11be82b477.jpg']";怎么遍历读出这个json数组？试了各种方法都不对，请指教?json遍历