Added LevelRequestHandler (island-level)

src/main/java/world/bentobox/level/Level.java

@@ -19,6 +19,7 @@ import world.bentobox.bentobox.api.commands.CompositeCommand;
 import world.bentobox.bentobox.api.user.User;
 import world.bentobox.bentobox.database.Database;
 import world.bentobox.bentobox.database.objects.Island;
+import world.bentobox.level.requests.LevelRequestHandler;
 
 /**
  * Addon to BSkyBlock/AcidIsland that enables island level scoring and top ten functionality
@@ -140,6 +141,10 @@ public class Level extends Addon {
         // Register new island listener
         registerListener(new NewIslandListener(this));
         registerListener(new JoinLeaveListener(this));
+
+        // Register request handlers
+        registerRequestHandler(new LevelRequestHandler(this));
+
         // Done
 
     }

src/main/java/world/bentobox/level/requests/LevelRequestHandler.java

@@ -0,0 +1,42 @@
+package world.bentobox.level.requests;
+
+import org.bukkit.Bukkit;
+import world.bentobox.bentobox.api.addons.request.AddonRequestHandler;
+import world.bentobox.level.Level;
+
+import java.util.Map;
+import java.util.UUID;
+
+public class LevelRequestHandler extends AddonRequestHandler {
+
+    private Level addon;
+
+    public LevelRequestHandler(Level addon) {
+        super("island-level");
+        this.addon = addon;
+    }
+
+    @Override
+    public Object handle(Map<String, Object> map) {
+        /*
+            What we need in the map:
+
+            0. "world-name" -> String
+            1. "player" -> UUID
+
+            What we will return:
+
+            - 0L if invalid input/player has no island
+            - the island level otherwise (which may be 0)
+         */
+
+        if (map == null || map.isEmpty()
+                || map.get("world-name") == null || !(map.get("world-name") instanceof String)
+                || map.get("player") == null || !(map.get("player") instanceof UUID)
+                || Bukkit.getWorld((String) map.get("world-name")) == null) {
+            return 0L;
+        }
+
+        return addon.getIslandLevel(Bukkit.getWorld((String) map.get("world-name")), (UUID) map.get("player"));
+    }
+}