像下面这样复杂格式的Json，用JSON-lib或者Gson怎么转换成Java对象，求好心人指教

{
 "facets":{},
 "hits":{
 "hits":[
 {"_source":
 {"author":"侯振清%刘洋%王鑫娟%张其清","ffund":"厦门大学基金","firstauthor":"侯振清","lid":"A","refyear":"2013","ref":"^A2013^B1","lW_ORGID":"UA35001"},
 "_id":"LW200800383289",
 "_index":"cstpcd_chn_lw2",
 "_type":"chnlw"
 },
 {"_source":{"author":"童惠娟%洪宗国%钟益声","ffund":null,"firstauthor":"洪宗国","lid":"A","refyear":null,"ref":null,"lW_ORGID":"UA42008"},"_id":"LW200600411391","_index":"cstpcd_chn_lw2","_type":"chnlw"}
    ],
"total":34807
},


"hitsCount":34807,
 "took":"20"
 }