Snack3高性能 Jsonpath 框架

<dependency>
  <groupId>org.noear</groupId>
  <artifactId>snack3</artifactId>
  <version>3.2.26</version>
</dependency>

//demo0::字符串化
String json = ONode.stringify(user); 

//demo1::序列化
// -- 輸出帶@type
String json = ONode.serialize(user); 

//demo2::反序列化
// -- json 有已帶@type
UserModel user = ONode.deserialize(json); 
// -- json 可以不帶@type (clz 申明了)
UserModel user = ONode.deserialize(json, UserModel.class); 
// -- json 可以不帶@type，泛型方式輸出（類型是已知的）
List<UserModel> list = ONode.deserialize(json, (new ArrayList<UserModel>(){}).getClass()); 

//demo3::轉(zhuǎn)為ONode
ONode o = ONode.loadStr(json); //將json String 轉(zhuǎn)為 ONode
ONode o = ONode.loadObj(user); //將java Object 轉(zhuǎn)為 ONode

//demo3.1::轉(zhuǎn)為ONode，取子節(jié)點進行序列化
ONode o = ONode.loadStr(json);
UserModel user = o.get("user").toObject(UserModel.class);


//demo4:構(gòu)建json數(shù)據(jù)(極光推送的rest api調(diào)用)
public static void push(Collection<String> alias_ary, String text)  {
    ONode data = new ONode().build((d)->{
        d.getOrNew("platform").val("all");

        d.getOrNew("audience").getOrNew("alias").addAll(alias_ary);

        d.getOrNew("options")
                .set("apns_production",false);

        d.getOrNew("notification").build(n->{
            n.getOrNew("ios")
                    .set("alert",text)
                    .set("badge",0)
                    .set("sound","happy");
        });
    });

    String message = data.toJson();
    String author = Base64Util.encode(appKey+":"+masterSecret);

    Map<String,String> headers = new HashMap<>();
    headers.put("Content-Type","application/json");
    headers.put("Authorization","Basic "+author);

    HttpUtil.postString(apiUrl, message, headers);
}

//demo5:取值
o.get("name").getString();
o.get("num").getInt();
o.get("list").get(0).get("lev").getInt();

//demo5.1::取值并轉(zhuǎn)換
UserModel user = o.get("user").toObject(UserModel.class); //取user節(jié)點，并轉(zhuǎn)為UserModel

//demo5.2::取值或新建并填充
o.getOrNew("list2").fill("[1,2,3,4,5,5,6]");


//demo6::json path //不確定返回數(shù)量的，者會返回array類型
//找到所有的187開頭的手機號，改為186，最后輸出修改后的json
o.select("$..mobile[?(@ =~ /^187/)]").forEach(n->n.val("186")).toJson();
//找到data.list[1]下的的mobile字段，并轉(zhuǎn)為long
o.select("$.data.list[1].mobile").getLong();

//查找所有手機號，并轉(zhuǎn)為List<String> 
List<String> list = o.select("$..mobile").toObject(List.class);
//查詢data.list下的所有mobile，并轉(zhuǎn)為List<String>
List<String> list = o.select("$.data.list[*].mobile").toObject(List.class);
//找到187手機號的用戶，并輸出List<UserModel>
List<UserModel> list = o.select("$.data.list[?(@.mobile =~ /^187/)]")
                        .toObjectList(UserModel.class);
//或
List<UserModel> list = o.select("$.data.list[?(@.mobile =~ /^187/)]")
                        .toObjectList(UserModel.class);


//demo7:遍歷
//如果是個Object
o.forEach((k,v)->{
  //...
});
//如果是個Array
o.forEach((v)->{
  //...
});


//demo8:自定義編碼
Options options = Options.def();
options.addEncoder(Date.class, (data, node) -> {
    node.val().setString(DateUtil.format(data, "yyyy-MM-dd"));
});

String json = ONode.loadObj(orderModel, options).toJson();

{"a":1,"b":"2"}
//或
{"@type":"...","a":1,"b":"2"}

[1,2,3]
//或
[{"@type":"...","a":1,"b":"2"},{"@type":"...","a":2,"b":"10"}]