下面的数据是什么样的数据格式？？和json很像。。。

采用这样的数据格式有什么好处？？

各位大神是否可以指点一下迷津？？

UALogEntry(client_stats:ClientStats(successful_requests:0, failed_requests:0, last_request_spent_ms:0), app_info:AppInfo(key:4f83c5d852701564c0000011, version:1.0, version_index:1, package_name:com.umeng.example, sdk_type:ANDROID, sdk_version:5.2.4, channel:Umeng), device_info:DeviceInfo(device_id:863034026252929, idmd5:c5cad8e54bfe2882e8ade23722ba8b81, mac_address:cc:07:e4:94:c8:4e, model:Lenovo A708t, cpu:ARMv7 Processor rev 3 (v7l), os:Android, os_version:4.2.2, resolution:Resolution(height:960, width:540), device_board:lcsh82_wet_jb5, device_brand:Lenovo, device_manutime:1385029946000, device_manufacturer:Lenovo, device_manuid:JDQ39, device_name:A708t), misc_info:MiscInfo(time_zone:8, language:zh, country:CN, carrier:, access_type:ACCESS_TYPE_WIFI), activate_msg:ActivateMsg(ts:1417065120233), id_tracking:IdTracking(snapshots:{android_id=IdSnapshot(identity:3baddd078e952cbc, ts:1417065120238, version:1), mac=IdSnapshot(identity:cc:07:e4:94:c8:4e, ts:1417065120254, version:1), imei=IdSnapshot(identity:863034026252929, ts:1417065120246, version:1)}, journals:[IdJournal(domain:android_id, new_id:3baddd078e952cbc, ts:1417065120238), IdJournal(domain:imei, new_id:863034026252929, ts:1417065120246), IdJournal(domain:mac, new_id:cc:07:e4:94:c8:4e, ts:1417065120254)]))

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