Android json解析 Gson工具类

private static Gson sGson = null;

public static <T> T  parseJson(String cacheJson,Class<T> clazz) {
T bean = null;
try{
if (sGson == null) {
sGson = new Gson();
}
if(!TextUtils.isEmpty(cacheJson)){
bean = sGson.fromJson(cacheJson, clazz);
}
return bean;
}catch (Exception e){
Log.e("JsonUtil xmg", "parseJson: " + "解析json为"+clazz.getSimpleName()
+"异常，json字符串为："+cacheJson);
return null;
}

}

public static String toJson(Object obj){
if (sGson == null) {
sGson = new Gson();
}
String s = sGson.toJson(obj);
return s;
}