Create ItemsContainer.java

Server/src/main/java/net/simon987/server/game/objects/ItemsContainer.java

@@ -0,0 +1,72 @@
+package net.simon987.server.game.objects;
+
+import net.simon987.server.game.item.Item;
+import org.bson.Document;
+import org.json.simple.JSONObject;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ItemsContainer extends GameObject implements InventoryHolder {
+
+    private static final char MAP_INFO = 0x0240;
+
+    private final Map<Integer, Integer> itemsTypeCount;
+    private int containerCapacity;
+    private int size = 0;
+
+    public ItemsContainer(int containerCapacity) {
+        this.containerCapacity = containerCapacity;
+        this.itemsTypeCount = new HashMap<>();
+    }
+
+    public ItemsContainer(Document document) {
+        super(document);
+        itemsTypeCount = (Map<Integer, Integer>) document.get("itemsCount");
+    }
+
+    @Override
+    public char getMapInfo() {
+        return MAP_INFO;
+    }
+
+    @Override
+    public boolean placeItem(Item item) {
+        if (size < containerCapacity) {
+            int itemId = item.getId();
+            itemsTypeCount.putIfAbsent(itemId, 0);
+            Integer oldCount = itemsTypeCount.get(itemId);
+            itemsTypeCount.replace(itemId, ++oldCount);
+            size++;
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public void takeItem(int itemId) {
+        Integer oldCount = itemsTypeCount.get(itemId);
+        itemsTypeCount.replace(itemId, --oldCount);
+        size--;
+    }
+
+    @Override
+    public boolean canTakeItem(int itemId) {
+        Integer integer = itemsTypeCount.get(itemId);
+        return integer != null && integer > 0;
+    }
+
+    @Override
+    public JSONObject jsonSerialise() {
+        JSONObject json = super.jsonSerialise();
+        json.put("itemsCount", itemsTypeCount);
+        return json;
+    }
+
+    @Override
+    public Document mongoSerialise() {
+        Document dbObject = super.mongoSerialise();
+        dbObject.put("itemsCount", itemsTypeCount);
+        return dbObject;
+    }
+}