test/org/redkale/test/convert/BiFunctionConvertMain.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.test.convert;
+
+import java.util.function.BiFunction;
+import org.redkale.convert.json.JsonConvert;
+import org.redkale.util.Attribute;
+
+/**
+ *
+ * @author zhangjx
+ */
+public class BiFunctionConvertMain {
+
+    public static class GamePlayer {
+        public int userid;
+        public String username;
+        public int[] cards;
+    }
+
+    public static class GameTable {
+        public int tableid;
+        public GamePlayer[] players;
+    }
+
+    public static void main(String[] args) throws Throwable {
+        GamePlayer player1 = new GamePlayer();
+        player1.userid= 1;
+        player1.username="玩家1";
+        player1.cards = new int[]{11,12,13,14,15}; 
+        GamePlayer player2 = new GamePlayer();
+        player2.userid= 2;
+        player2.username="玩家2";
+        player2.cards = new int[]{21,22,23,24,25}; 
+        GamePlayer player3 = new GamePlayer();
+        player3.userid= 3;
+        player3.username="玩家3";
+        player3.cards = new int[]{31,32,33,34,35}; 
+        GameTable table = new GameTable();
+        table.tableid=100;
+        table.players = new GamePlayer[]{player1,player2,player3};
+        JsonConvert convert1 = JsonConvert.root();
+        System.out.println(convert1.convertTo(table));
+        JsonConvert convert2 = convert1.newConvert(new BiFunction<Attribute, Object, Object>() {
+            @Override
+            public Object apply(Attribute t, Object u) {
+                if(t.field().equals("cards") && u instanceof GamePlayer){
+                    int userid = ((GamePlayer)u).userid;
+                    if(userid == 3) return null; //玩家3的cards不输出
+                    return t.get(u);
+                }
+                return t.get(u);
+            }
+        });
+        System.out.println(convert2.convertTo(table));
+        //{"players":[{"cards":[11,12,13,14,15],"userid":1,"username":"玩家1"},{"cards":[21,22,23,24,25],"userid":2,"username":"玩家2"},{"cards":[31,32,33,34,35],"userid":3,"username":"玩家3"}],"tableid":100}
+        //{"players":[{"cards":[11,12,13,14,15],"userid":1,"username":"玩家1"},{"cards":[21,22,23,24,25],"userid":2,"username":"玩家2"},{"userid":3,"username":"玩家3"}],"tableid":100}
+    }
+}