Add disabled storage manager to prevent empty data (fixes #13)

src/main/java/org/geysermc/connect/MasterServer.java

@@ -29,6 +29,7 @@ import com.nukkitx.protocol.bedrock.*;
 import com.nukkitx.protocol.bedrock.v408.Bedrock_v408;
 import lombok.Getter;
 import lombok.Setter;
+import org.geysermc.connect.storage.DisabledStorageManager;
 import org.geysermc.connector.network.BedrockProtocol;
 import org.geysermc.connector.utils.FileUtils;
 import org.geysermc.connect.proxy.GeyserProxyBootstrap;
@@ -99,18 +100,22 @@ public class MasterServer {
 
         this.generalThreadPool = Executors.newScheduledThreadPool(32);
 
-        boolean enableShutdownTimer = geyserConnectConfig.getGeyser().getShutdownTime() != -1;
-
         // Start a timer to keep the thread running
         timer = new Timer();
         TimerTask task = new TimerTask() { public void run() { } };
         timer.scheduleAtFixedRate(task, 0L, 1000L);
 
-        try {
+        if (!geyserConnectConfig.getCustomServers().isEnabled()) {
-            storageManager = geyserConnectConfig.getCustomServers().getStorageType().getStorageManager().newInstance();
+            // Force the storage manager if we have it disabled
-        } catch (Exception e) {
+            storageManager = new DisabledStorageManager();
-            logger.severe("Invalid storage manager class!", e);
+            logger.info("Disabled custom player servers");
-            return;
+        } else {
+            try {
+                storageManager = geyserConnectConfig.getCustomServers().getStorageType().getStorageManager().newInstance();
+            } catch (Exception e) {
+                logger.severe("Invalid storage manager class!", e);
+                return;
+            }
         }
 
         storageManager.setupStorage();

src/main/java/org/geysermc/connect/storage/DisabledStorageManager.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/GeyserConnect
+ */
+
+package org.geysermc.connect.storage;
+
+import org.geysermc.connect.utils.Player;
+import org.geysermc.connect.utils.Server;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DisabledStorageManager extends AbstractStorageManager {
+
+    @Override
+    public void setupStorage() {
+    }
+
+    @Override
+    public void saveServers(Player player) {
+
+    }
+
+    @Override
+    public List<Server> loadServers(Player player) {
+        return new ArrayList<>();
+    }
+}