♻️ Refactor of the folders and fixed shutdown task register

pom.xml

@@ -85,6 +85,7 @@
                     </execution>
                 </executions>
             </plugin>
+
             <!-- Compile JAR -->
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
@@ -94,11 +95,17 @@
                     <compilerArgument>-parameters</compilerArgument>
                 </configuration>
             </plugin>
+
             <!-- Delombok the source for the javadoc -->
             <plugin>
                 <groupId>org.projectlombok</groupId>
                 <artifactId>lombok-maven-plugin</artifactId>
                 <version>1.18.20.0</version>
+                <configuration>
+                    <sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>
+                    <outputDirectory>${project.build.directory}/delombok</outputDirectory>
+                    <addOutputDirectory>false</addOutputDirectory>
+                </configuration>
                 <executions>
                     <execution>
                         <phase>generate-sources</phase>
@@ -108,17 +115,26 @@
                     </execution>
                 </executions>
             </plugin>
+
             <!-- Build the javadoc -->
             <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
                 <version>3.3.0</version>
                 <configuration>
-                    <sourceFileIncludes>
+                    <sourcepath>${project.build.directory}/delombok</sourcepath>
-                        <include>nl/SBDeveloper/V10Lift/api/*.java</include>
+
-                        <include>nl/SBDeveloper/V10Lift/api/objects/*.java</include>
+                    <!-- Exclude all non-API packages -->
-                    </sourceFileIncludes>
+                    <sourceFileExcludes>
+                        <exclude>nl/SBDeveloper/V10Lift/*.java</exclude>
+                        <exclude>nl/SBDeveloper/V10Lift/commands/*.java</exclude>
+                        <exclude>nl/SBDeveloper/V10Lift/listeners/*.java</exclude>
+                        <exclude>nl/SBDeveloper/V10Lift/sbutils/*.java</exclude>
+                        <exclude>nl/SBDeveloper/V10Lift/utils/*.java</exclude>
+                    </sourceFileExcludes>
                 </configuration>
             </plugin>
+
             <!-- SKIP the maven deploy -->
             <plugin>
                 <artifactId>maven-deploy-plugin</artifactId>
@@ -127,6 +143,7 @@
                     <skip>true</skip>
                 </configuration>
             </plugin>
+
             <!-- Deploy to nexus -->
             <plugin>
                 <groupId>org.sonatype.plugins</groupId>

src/main/java/nl/SBDeveloper/V10Lift/V10LiftPlugin.java

@@ -28,7 +28,6 @@ public class V10LiftPlugin extends JavaPlugin {
     private static YamlFile config;
     private static DBManager dbManager;
     private static YamlFile messages;
-    private static V10LiftAPI api;
     private static boolean vault = false;
 
     @Override
@@ -60,9 +59,6 @@ public class V10LiftPlugin extends JavaPlugin {
             e.printStackTrace();
         }
 
-        //Load the API
-        api = new V10LiftAPI();
-
         //Load vault if found
         if (VaultManager.setupPermissions()) {
             Bukkit.getLogger().info("[V10Lift] Loading Vault hook for group whitelist support.");
@@ -128,7 +124,7 @@ public class V10LiftPlugin extends JavaPlugin {
 
     @Override
     public void onDisable() {
-        dbManager.save();
+        dbManager.save(true);
         dbManager.closeConnection();
 
         instance = null;
@@ -150,10 +146,6 @@ public class V10LiftPlugin extends JavaPlugin {
         return messages;
     }
 
-    public static V10LiftAPI getAPI() {
-        return api;
-    }
-
     public static boolean isVaultEnabled() {
         return vault;
     }

src/main/java/nl/SBDeveloper/V10Lift/api/V10LiftAPI.java

@@ -25,6 +25,15 @@ import java.util.*;
 
 /** The Main API class, for all the API methods */
 public class V10LiftAPI {
+    private static V10LiftAPI instance;
+
+    private V10LiftAPI() {}
+
+    public static V10LiftAPI getInstance() {
+        if (instance == null) instance = new V10LiftAPI();
+        return instance;
+    }
+
     /* Private API methods */
     private void sortFloors(@Nonnull Lift lift) {
         ArrayList<Map.Entry<String, Floor>> as = new ArrayList<>(lift.getFloors().entrySet());
@@ -101,7 +110,7 @@ public class V10LiftAPI {
         }
 
         DataManager.removeLift(liftName);
-        V10LiftPlugin.getDBManager().removeFromData(liftName);
+        V10LiftPlugin.getDBManager().remove(liftName);
         return true;
     }
 

src/main/java/nl/SBDeveloper/V10Lift/api/enums/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * All the enums used for V10Lift
+ */
+package nl.SBDeveloper.V10Lift.api.enums;

src/main/java/nl/SBDeveloper/V10Lift/api/runnables/DoorCloser.java

@@ -1,6 +1,7 @@
 package nl.SBDeveloper.V10Lift.api.runnables;
 
 import nl.SBDeveloper.V10Lift.V10LiftPlugin;
+import nl.SBDeveloper.V10Lift.api.V10LiftAPI;
 import nl.SBDeveloper.V10Lift.managers.DataManager;
 import org.bukkit.Bukkit;
 
@@ -18,7 +19,7 @@ public class DoorCloser implements Runnable {
 
     @Override
     public void run() {
-        if (V10LiftPlugin.getAPI().closeDoor(liftName)) stop();
+        if (V10LiftAPI.getInstance().closeDoor(liftName)) stop();
     }
 
     public void stop() {

src/main/java/nl/SBDeveloper/V10Lift/api/runnables/MoveLift.java

@@ -3,6 +3,7 @@ package nl.SBDeveloper.V10Lift.api.runnables;
 import com.cryptomorin.xseries.XMaterial;
 import com.cryptomorin.xseries.XSound;
 import nl.SBDeveloper.V10Lift.V10LiftPlugin;
+import nl.SBDeveloper.V10Lift.api.V10LiftAPI;
 import nl.SBDeveloper.V10Lift.api.enums.LiftDirection;
 import nl.SBDeveloper.V10Lift.api.objects.*;
 import nl.SBDeveloper.V10Lift.managers.AntiCopyBlockManager;
@@ -119,7 +120,7 @@ public class MoveLift implements Runnable {
         if (changeOfDefect > 0.0D) {
             double chance = ThreadLocalRandom.current().nextDouble(100);
             if (chance < changeOfDefect) {
-                V10LiftPlugin.getAPI().setDefective(liftName, true);
+                V10LiftAPI.getInstance().setDefective(liftName, true);
                 return;
             }
         }
@@ -141,7 +142,7 @@ public class MoveLift implements Runnable {
         List<LiftBlock> antiCopyBlocks = new ArrayList<>();
 
         if (direction == LiftDirection.UP || direction == LiftDirection.DOWN) {
-            if (!V10LiftPlugin.getAPI().closeDoor(liftName)) return;
+            if (!V10LiftAPI.getInstance().closeDoor(liftName)) return;
 
             if (direction == LiftDirection.UP) {
                 //MOVE ROPES
@@ -149,7 +150,7 @@ public class MoveLift implements Runnable {
                     if (rope.getCurrently() > rope.getMaxY()) {
                         Bukkit.getLogger().info("[V10Lift] Lift " + liftName + " reaches the upper rope end but won't stop!!");
 
-                        V10LiftPlugin.getAPI().setDefective(liftName, true);
+                        V10LiftAPI.getInstance().setDefective(liftName, true);
                         lift.getToMove().clear();
                         queueIterator.remove();
                         return;
@@ -328,7 +329,7 @@ public class MoveLift implements Runnable {
                     if (rope.getCurrently() < rope.getMinY()) {
                         Bukkit.getLogger().info("[V10Lift] Lift " + liftName + " reaches the upper rope end but won't stop!!");
 
-                        V10LiftPlugin.getAPI().setDefective(liftName, true);
+                        V10LiftAPI.getInstance().setDefective(liftName, true);
                         lift.getToMove().clear();
                         queueIterator.remove();
 
@@ -420,7 +421,7 @@ public class MoveLift implements Runnable {
                 ls.setState((byte) 0);
             }
 
-            V10LiftPlugin.getAPI().openDoor(lift, liftName, floorTo);
+            V10LiftAPI.getInstance().openDoor(lift, liftName, floorTo);
 
             if (lift.isRealistic()) lift.setCounter(ft);
 

src/main/java/nl/SBDeveloper/V10Lift/commands/V10LiftCommand.java

@@ -2,6 +2,7 @@ package nl.SBDeveloper.V10Lift.commands;
 
 import com.cryptomorin.xseries.XMaterial;
 import nl.SBDeveloper.V10Lift.V10LiftPlugin;
+import nl.SBDeveloper.V10Lift.api.V10LiftAPI;
 import nl.SBDeveloper.V10Lift.api.objects.Floor;
 import nl.SBDeveloper.V10Lift.api.objects.Lift;
 import nl.SBDeveloper.V10Lift.api.objects.LiftBlock;
@@ -261,7 +262,7 @@ public class V10LiftCommand implements CommandExecutor {
             return true;
         }
 
-        V10LiftPlugin.getAPI().setDefective(liftName, true);
+        V10LiftAPI.getInstance().setDefective(liftName, true);
         ConfigUtil.sendMessage(sender, "Disable.Disabled");
         return true;
     }
@@ -271,7 +272,7 @@ public class V10LiftCommand implements CommandExecutor {
         if (args.length == 1 && sender instanceof Player) {
             //v10lift stop -> Get liftName from loc and floorName from sign
             Player p = (Player) sender;
-            liftName = V10LiftPlugin.getAPI().getLiftByLocation(p.getLocation());
+            liftName = V10LiftAPI.getInstance().getLiftByLocation(p.getLocation());
         } else if (args.length == 1) {
             ConfigUtil.sendMessage(sender, "Stop.NonPlayer");
             return true;
@@ -303,7 +304,7 @@ public class V10LiftCommand implements CommandExecutor {
         if (args.length == 1 && sender instanceof Player) {
             //v10lift start -> Get liftName from loc and floorName from sign
             Player p = (Player) sender;
-            liftName = V10LiftPlugin.getAPI().getLiftByLocation(p.getLocation());
+            liftName = V10LiftAPI.getInstance().getLiftByLocation(p.getLocation());
         } else if (args.length == 1) {
             ConfigUtil.sendMessage(sender, "Start.NonPlayer");
             return true;
@@ -341,7 +342,7 @@ public class V10LiftCommand implements CommandExecutor {
         }
 
         Floor f = lift.getFloors().get(floorName);
-        V10LiftPlugin.getAPI().addToQueue(liftName, f, floorName);
+        V10LiftAPI.getInstance().addToQueue(liftName, f, floorName);
         ConfigUtil.sendMessage(sender, "Start.Started", Collections.singletonMap("%Name%", liftName));
         return true;
     }
@@ -354,13 +355,13 @@ public class V10LiftCommand implements CommandExecutor {
             }
 
             e.getValue().setQueue(null);
-            V10LiftPlugin.getAPI().sortLiftBlocks(lift);
+            V10LiftAPI.getInstance().sortLiftBlocks(lift);
         }
 
         DataManager.clearMovingTasks();
         V10LiftPlugin.getSConfig().reloadConfig();
         try {
-            V10LiftPlugin.getDBManager().save();
+            V10LiftPlugin.getDBManager().save(true);
             V10LiftPlugin.getDBManager().load();
         } catch (SQLException e) {
             e.printStackTrace();
@@ -406,7 +407,7 @@ public class V10LiftCommand implements CommandExecutor {
 
         if (DataManager.containsBuilderPlayer(p.getUniqueId())) {
             DataManager.removeBuilderPlayer(p.getUniqueId());
-            V10LiftPlugin.getAPI().sortLiftBlocks(DataManager.getEditPlayer(p.getUniqueId()));
+            V10LiftAPI.getInstance().sortLiftBlocks(DataManager.getEditPlayer(p.getUniqueId()));
             abort = true;
         }
 
@@ -473,7 +474,7 @@ public class V10LiftCommand implements CommandExecutor {
                 }
             }
         }
-        V10LiftPlugin.getAPI().setDefective(liftName, false);
+        V10LiftAPI.getInstance().setDefective(liftName, false);
         ConfigUtil.sendMessage(sender, "Repair.Repaired");
         return true;
     }
@@ -557,7 +558,7 @@ public class V10LiftCommand implements CommandExecutor {
             if (!DataManager.containsLift(liftName)) {
                 ConfigUtil.sendMessage(sender, "Whois.DoesntExists");
             } else {
-                V10LiftPlugin.getAPI().sendLiftInfo(sender, liftName);
+                V10LiftAPI.getInstance().sendLiftInfo(sender, liftName);
             }
         }
         return true;
@@ -731,7 +732,7 @@ public class V10LiftCommand implements CommandExecutor {
 
         if (DataManager.containsBuilderPlayer(p.getUniqueId())) {
             DataManager.removeBuilderPlayer(p.getUniqueId());
-            V10LiftPlugin.getAPI().sortLiftBlocks(DataManager.getEditPlayer(p.getUniqueId()));
+            V10LiftAPI.getInstance().sortLiftBlocks(DataManager.getEditPlayer(p.getUniqueId()));
             ConfigUtil.sendMessage(sender, "Build.Disabled");
         } else {
             DataManager.addBuilderPlayer(p.getUniqueId());
@@ -754,7 +755,7 @@ public class V10LiftCommand implements CommandExecutor {
         }
 
         Bukkit.dispatchCommand(sender, "v10lift edit");
-        V10LiftPlugin.getAPI().renameLift(liftName, args[1]);
+        V10LiftAPI.getInstance().renameLift(liftName, args[1]);
         Bukkit.dispatchCommand(sender, "v10lift edit " + args[1]);
 
         ConfigUtil.sendMessage(sender, "Rename.Renamed");
@@ -877,7 +878,7 @@ public class V10LiftCommand implements CommandExecutor {
         if (args[1].equalsIgnoreCase("add")) {
             Block b = p.getLocation().getBlock();
             String floorName = args[2];
-            int response = V10LiftPlugin.getAPI().addFloor(liftName, floorName, new Floor(b.getY() - 1, b.getWorld().getName()));
+            int response = V10LiftAPI.getInstance().addFloor(liftName, floorName, new Floor(b.getY() - 1, b.getWorld().getName()));
             switch (response) {
                 case 0:
                     ConfigUtil.sendMessage(sender, "Floor.Added");
@@ -894,7 +895,7 @@ public class V10LiftCommand implements CommandExecutor {
             }
         } else if (args[1].equalsIgnoreCase("del")) {
             String floorName = args[2];
-            if (!V10LiftPlugin.getAPI().removeFloor(liftName, floorName)) {
+            if (!V10LiftAPI.getInstance().removeFloor(liftName, floorName)) {
                 ConfigUtil.sendMessage(sender, "General.InternalError");
             } else {
                 ConfigUtil.sendMessage(sender, "Floor.Removed");
@@ -907,7 +908,7 @@ public class V10LiftCommand implements CommandExecutor {
 
             String floorName = args[2];
             String newFloorName = args[3];
-            int response = V10LiftPlugin.getAPI().renameFloor(liftName, floorName, newFloorName);
+            int response = V10LiftAPI.getInstance().renameFloor(liftName, floorName, newFloorName);
             switch (response) {
                 case 0:
                     ConfigUtil.sendMessage(sender, "Floor.Renamed");
@@ -948,7 +949,7 @@ public class V10LiftCommand implements CommandExecutor {
                 DataManager.removeOfflineRemovesPlayer(p.getUniqueId());
                 if (DataManager.containsBuilderPlayer(p.getUniqueId())) {
                     DataManager.removeBuilderPlayer(p.getUniqueId());
-                    V10LiftPlugin.getAPI().sortLiftBlocks(liftName);
+                    V10LiftAPI.getInstance().sortLiftBlocks(liftName);
                 }
                 DataManager.removeRopeEditPlayer(p.getUniqueId());
                 DataManager.removeRopeRemovesPlayer(p.getUniqueId());
@@ -1048,7 +1049,7 @@ public class V10LiftCommand implements CommandExecutor {
             return true;
         }
 
-        if (!V10LiftPlugin.getAPI().removeLift(args[1])) {
+        if (!V10LiftAPI.getInstance().removeLift(args[1])) {
             ConfigUtil.sendMessage(sender, "Delete.NotRemoved", Collections.singletonMap("%Name%", args[1]));
             return true;
         }
@@ -1072,15 +1073,15 @@ public class V10LiftCommand implements CommandExecutor {
                 return true;
             }
 
-            if (!V10LiftPlugin.getAPI().createLift(p, args[1])) {
+            if (!V10LiftAPI.getInstance().createLift(p, args[1])) {
                 ConfigUtil.sendMessage(sender, "General.AlreadyExists");
                 return true;
             }
 
             TreeSet<LiftBlock> blcks = DataManager.getLift(args[1]).getBlocks();
 
-            blocks.forEach(block -> V10LiftPlugin.getAPI().addBlockToLift(blcks, block));
+            blocks.forEach(block -> V10LiftAPI.getInstance().addBlockToLift(blcks, block));
-            V10LiftPlugin.getAPI().sortLiftBlocks(args[1]);
+            V10LiftAPI.getInstance().sortLiftBlocks(args[1]);
             DataManager.removePlayer(p.getUniqueId());
             ConfigUtil.sendMessage(p, "Create.Created", Collections.singletonMap("%Name%", args[1]));
             p.performCommand("v10lift edit " + args[1]);

src/main/java/nl/SBDeveloper/V10Lift/listeners/BlockBreakListener.java

@@ -1,5 +1,6 @@
 package nl.SBDeveloper.V10Lift.listeners;
 
+import nl.SBDeveloper.V10Lift.api.V10LiftAPI;
 import nl.SBDeveloper.V10Lift.api.objects.Floor;
 import nl.SBDeveloper.V10Lift.api.objects.Lift;
 import nl.SBDeveloper.V10Lift.api.objects.LiftBlock;
@@ -22,7 +23,7 @@ public class BlockBreakListener implements Listener {
     @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
     public void onBlockBreak(BlockBreakEvent e) {
         Block b = e.getBlock();
-        if (V10LiftPlugin.getAPI().isRope(b)) {
+        if (V10LiftAPI.getInstance().isRope(b)) {
             ConfigUtil.sendMessage(e.getPlayer(), "General.RemoveRopeFirst");
             e.setCancelled(true);
             return;

src/main/java/nl/SBDeveloper/V10Lift/listeners/PlayerInteractListener.java

@@ -2,6 +2,7 @@ package nl.SBDeveloper.V10Lift.listeners;
 
 import com.cryptomorin.xseries.XMaterial;
 import nl.SBDeveloper.V10Lift.V10LiftPlugin;
+import nl.SBDeveloper.V10Lift.api.V10LiftAPI;
 import nl.SBDeveloper.V10Lift.api.objects.Floor;
 import nl.SBDeveloper.V10Lift.api.objects.Lift;
 import nl.SBDeveloper.V10Lift.api.objects.LiftBlock;
@@ -52,7 +53,7 @@ public class PlayerInteractListener implements Listener {
                 for (LiftBlock lb : lift.getOfflineInputs()) {
                     if (world.equals(lb.getWorld()) && x == lb.getX() && y == lb.getY() && z == lb.getZ()) {
                         lb.setActive(!lb.isActive());
-                        V10LiftPlugin.getAPI().setOffline(entry.getKey(), lb.isActive());
+                        V10LiftAPI.getInstance().setOffline(entry.getKey(), lb.isActive());
                         return;
                     }
                 }
@@ -61,7 +62,7 @@ public class PlayerInteractListener implements Listener {
 
                 for (LiftBlock lb : lift.getInputs()) {
                     if (world.equals(lb.getWorld()) && x == lb.getX() && y == lb.getY() && z == lb.getZ()) {
-                        V10LiftPlugin.getAPI().addToQueue(entry.getKey(), lift.getFloors().get(lb.getFloor()), lb.getFloor());
+                        V10LiftAPI.getInstance().addToQueue(entry.getKey(), lift.getFloors().get(lb.getFloor()), lb.getFloor());
                         e.setCancelled(true);
                         return;
                     }
@@ -121,13 +122,13 @@ public class PlayerInteractListener implements Listener {
             return;
         }
 
-        if (!floor.getGroupWhitelist().isEmpty() && !VaultManager.userHasAnyGroup(p, floor.getGroupWhitelist()) && !p.hasPermission("v10lift.admin")) {
+        if (!floor.getGroupWhitelist().isEmpty() && !VaultManager.inAnyGroup(p, floor.getGroupWhitelist()) && !p.hasPermission("v10lift.admin")) {
             ConfigUtil.sendMessage(e.getPlayer(), "General.NoWhitelistPermission");
             e.setCancelled(true);
             return;
         }
 
-        V10LiftPlugin.getAPI().addToQueue(liftName, lift.getFloors().get(f), f);
+        V10LiftAPI.getInstance().addToQueue(liftName, lift.getFloors().get(f), f);
     }
 
     //BLOCK ADD
@@ -140,7 +141,7 @@ public class PlayerInteractListener implements Listener {
             if (DataManager.containsPlayer(p.getUniqueId())) {
                 if (e.getAction() != Action.RIGHT_CLICK_BLOCK) return;
                 e.setCancelled(true);
-                int res = V10LiftPlugin.getAPI().switchBlockAtLift(DataManager.getPlayer(p.getUniqueId()), e.getClickedBlock());
+                int res = V10LiftAPI.getInstance().switchBlockAtLift(DataManager.getPlayer(p.getUniqueId()), e.getClickedBlock());
                 switch (res) {
                     case 0:
                         ConfigUtil.sendMessage(e.getPlayer(), "Build.BlockAdded");
@@ -210,7 +211,7 @@ public class PlayerInteractListener implements Listener {
             } else if (DataManager.containsBuilderPlayer(p.getUniqueId())) {
                 if (e.getAction() != Action.RIGHT_CLICK_BLOCK) return;
                 e.setCancelled(true);
-                int res = V10LiftPlugin.getAPI().switchBlockAtLift(DataManager.getEditPlayer(p.getUniqueId()), e.getClickedBlock());
+                int res = V10LiftAPI.getInstance().switchBlockAtLift(DataManager.getEditPlayer(p.getUniqueId()), e.getClickedBlock());
                 switch (res) {
                     case 0:
                         ConfigUtil.sendMessage(e.getPlayer(), "Build.BlockAdded");
@@ -241,7 +242,7 @@ public class PlayerInteractListener implements Listener {
                         ConfigUtil.sendMessage(e.getPlayer(), "Rope.OnlyUp");
                         return;
                     }
-                    int res = V10LiftPlugin.getAPI().addRope(DataManager.getEditPlayer(p.getUniqueId()), now.getWorld(), start.getX(), now.getY(), start.getY(), start.getZ());
+                    int res = V10LiftAPI.getInstance().addRope(DataManager.getEditPlayer(p.getUniqueId()), now.getWorld(), start.getX(), now.getY(), start.getY(), start.getZ());
                     switch (res) {
                         case 0:
                             ConfigUtil.sendMessage(e.getPlayer(), "Rope.Created");
@@ -266,11 +267,11 @@ public class PlayerInteractListener implements Listener {
                 e.setCancelled(true);
                 Block block = e.getClickedBlock();
                 String liftName = DataManager.getEditPlayer(p.getUniqueId());
-                if (!V10LiftPlugin.getAPI().containsRope(liftName, block)) {
+                if (!V10LiftAPI.getInstance().containsRope(liftName, block)) {
                     ConfigUtil.sendMessage(e.getPlayer(), "Rope.NotARope");
                     return;
                 }
-                V10LiftPlugin.getAPI().removeRope(liftName, block);
+                V10LiftAPI.getInstance().removeRope(liftName, block);
                 DataManager.removeRopeRemovesPlayer(p.getUniqueId());
                 ConfigUtil.sendMessage(e.getPlayer(), "Rope.Removed");
             } else if (DataManager.containsDoorEditPlayer(p.getUniqueId())) {
@@ -314,7 +315,7 @@ public class PlayerInteractListener implements Listener {
                 for (Map.Entry<String, Lift> entry : DataManager.getLifts().entrySet()) {
                     Lift lift = entry.getValue();
                     if (lift.getBlocks().contains(lb) || lift.getInputs().contains(lb) || lift.getSigns().contains(lb) || lift.getRopes().contains(lb) || lift.getOfflineInputs().contains(lb)) {
-                        V10LiftPlugin.getAPI().sendLiftInfo(p, entry.getKey(), lift);
+                        V10LiftAPI.getInstance().sendLiftInfo(p, entry.getKey(), lift);
                         return;
                     }
                 }
@@ -360,7 +361,7 @@ public class PlayerInteractListener implements Listener {
                             }
                             p.getInventory().remove(new ItemStack(masterItem, masterAmount));
                         }
-                        V10LiftPlugin.getAPI().setDefective(liftName, false);
+                        V10LiftAPI.getInstance().setDefective(liftName, false);
                     }
                     e.setCancelled(true);
                     return;
@@ -391,7 +392,7 @@ public class PlayerInteractListener implements Listener {
                         sign.setLine(3, ChatColor.GREEN + f2);
                     } else if (!floor.getUserWhitelist().isEmpty() && !floor.getUserWhitelist().contains(p.getUniqueId()) && !p.hasPermission("v10lift.admin")) {
                         sign.setLine(3, ChatColor.RED + f2);
-                    } else if (!floor.getGroupWhitelist().isEmpty() && !VaultManager.userHasAnyGroup(p, floor.getGroupWhitelist()) && !p.hasPermission("v10lift.admin")) {
+                    } else if (!floor.getGroupWhitelist().isEmpty() && !VaultManager.inAnyGroup(p, floor.getGroupWhitelist()) && !p.hasPermission("v10lift.admin")) {
                         sign.setLine(3, ChatColor.RED + f2);
                     } else {
                         sign.setLine(3, ChatColor.YELLOW + f2);
@@ -410,13 +411,13 @@ public class PlayerInteractListener implements Listener {
                         return;
                     }
 
-                    if (!floor.getGroupWhitelist().isEmpty() && !VaultManager.userHasAnyGroup(p, floor.getGroupWhitelist()) && !p.hasPermission("v10lift.admin")) {
+                    if (!floor.getGroupWhitelist().isEmpty() && !VaultManager.inAnyGroup(p, floor.getGroupWhitelist()) && !p.hasPermission("v10lift.admin")) {
                         ConfigUtil.sendMessage(e.getPlayer(), "General.NoWhitelistPermission");
                         e.setCancelled(true);
                         return;
                     }
 
-                    V10LiftPlugin.getAPI().addToQueue(liftName, lift.getFloors().get(f), f);
+                    V10LiftAPI.getInstance().addToQueue(liftName, lift.getFloors().get(f), f);
                 }
             }
         }

src/main/java/nl/SBDeveloper/V10Lift/managers/AntiCopyBlockManager.java

@@ -5,6 +5,9 @@ import org.bukkit.Material;
 
 import java.util.HashSet;
 
+/**
+ * This class contains a set with all the blocks who may not be copied
+ */
 public class AntiCopyBlockManager {
     private static final HashSet<XMaterial> antiCopy = new HashSet<>();
 
@@ -79,6 +82,12 @@ public class AntiCopyBlockManager {
         antiCopy.add(XMaterial.JUKEBOX);
     }
 
+    /**
+     * Check if this block may not be copied
+     *
+     * @param mat The material to check for
+     * @return true = not copy this block
+     */
     public static boolean isAntiCopy(Material mat) {
         XMaterial xmat = XMaterial.matchXMaterial(mat);
         return antiCopy.contains(xmat);

src/main/java/nl/SBDeveloper/V10Lift/managers/DBManager.java

@@ -12,12 +12,20 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.Map;
 
+/**
+ * The DBManager manages the database
+ */
 public class DBManager {
     private static final Gson gson = new Gson();
 
     private static SQLiteDB data;
     private static Connection con;
 
+    /**
+     * Construct the database manager
+     *
+     * @param name The name of the sqlite database file
+     */
     public DBManager(String name) {
         data = new SQLiteDB(name);
 
@@ -32,6 +40,11 @@ public class DBManager {
         }
     }
 
+    /**
+     * Load the database from data
+     *
+     * @throws SQLException If the SQL SELECT fails
+     */
     public void load() throws SQLException {
         String query = "SELECT * FROM lifts";
         PreparedStatement statement = con.prepareStatement(query);
@@ -56,15 +69,20 @@ public class DBManager {
         }
     }
 
-    public void removeFromData(String name) {
+    /**
-        if (!DataManager.containsLift(name)) {
+     * Remove a lift from data
-            Bukkit.getLogger().info("[V10Lift] Removing lift " + name + " to data...");
+     *
+     * @param liftName The name of the lift
+     */
+    public void remove(String liftName) {
+        if (!DataManager.containsLift(liftName)) {
+            Bukkit.getLogger().info("[V10Lift] Removing lift " + liftName + " to data...");
 
             Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
                 try {
                     String query = "DELETE FROM lifts WHERE liftName = ?";
                     PreparedStatement statement = con.prepareStatement(query);
-                    statement.setString(1, name);
+                    statement.setString(1, liftName);
                     statement.executeUpdate();
                 } catch (SQLException e) {
                     e.printStackTrace();
@@ -73,66 +91,74 @@ public class DBManager {
         }
     }
 
+    /**
+     * Save all lifts to data
+     * This is done async
+     */
     public void save() {
+        save(false);
+    }
+
+    /**
+     * Save all lifts to data
+     * @param force true if sync, false if async
+     */
+    public void save(boolean force) {
+        if (!force) {
+            Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
                 for (Map.Entry<String, Lift> entry : DataManager.getLifts().entrySet()) {
-            byte[] blob = gson.toJson(entry.getValue()).getBytes();
+                    saveLift(entry.getKey(), entry.getValue());
-
-            Bukkit.getLogger().info("[V10Lift] Saving lift " + entry.getKey() + " to data...");
-
-            Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
-                try {
-                    String query = "INSERT INTO lifts (liftName, liftData) VALUES (?, ?)";
-                    PreparedStatement statement = con.prepareStatement(query);
-                    statement.setString(1, entry.getKey());
-                    statement.setBytes(2, blob);
-                    statement.executeUpdate();
-                } catch (SQLException ignored) {
                 }
             });
-
+        } else {
-            Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
+            for (Map.Entry<String, Lift> entry : DataManager.getLifts().entrySet()) {
-                try {
+                saveLift(entry.getKey(), entry.getValue());
-                    String query2 = "UPDATE lifts SET liftData = ? WHERE liftName = ?";
-                    PreparedStatement statement2 = con.prepareStatement(query2);
-                    statement2.setBytes(1, blob);
-                    statement2.setString(2, entry.getKey());
-                    statement2.executeUpdate();
-                } catch (SQLException e) {
-                    e.printStackTrace();
             }
-            });
         }
     }
 
-    public void saveLift(String name, Lift lift) {
+    /**
+     * Save a lift to data
+     *
+     * @param liftName The name of the lift
+     * @param lift The lift itself
+     */
+    public void saveLift(String liftName, Lift lift) {
+        Bukkit.getLogger().info("[V10Lift] Saving lift " + liftName + " to data...");
+
         byte[] blob = gson.toJson(lift).getBytes();
+        Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> updateLift(liftName, blob));
+    }
 
-        Bukkit.getLogger().info("[V10Lift] Saving lift " + name + " to data...");
+    /**
-
+     * Update a lift in data
-        Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
+     *
+     * @param liftName The name of the lift
+     * @param liftData The JSON blob of the lift object
+     */
+    private void updateLift(String liftName, byte[] liftData) {
         try {
             String query = "INSERT INTO lifts (liftName, liftData) VALUES (?, ?)";
             PreparedStatement statement = con.prepareStatement(query);
-                statement.setString(1, name);
+            statement.setString(1, liftName);
-                statement.setBytes(2, blob);
+            statement.setBytes(2, liftData);
             statement.executeUpdate();
-            } catch (SQLException ignored) {
+        } catch (SQLException ignored) {}
-            }
-        });
 
-        Bukkit.getScheduler().runTaskAsynchronously(V10LiftPlugin.getInstance(), () -> {
         try {
             String query2 = "UPDATE lifts SET liftData = ? WHERE liftName = ?";
             PreparedStatement statement2 = con.prepareStatement(query2);
-                statement2.setBytes(1, blob);
+            statement2.setBytes(1, liftData);
-                statement2.setString(2, name);
+            statement2.setString(2, liftName);
             statement2.executeUpdate();
         } catch (SQLException e) {
             e.printStackTrace();
         }
-        });
     }
 
+    /**
+     * Close the connection with the database
+     */
     public void closeConnection() {
         data.closeSource();
     }

src/main/java/nl/SBDeveloper/V10Lift/managers/ForbiddenBlockManager.java

@@ -5,6 +5,9 @@ import org.bukkit.Material;
 
 import java.util.HashSet;
 
+/**
+ * This class contains a set with all the blocks who may not be placed in a lift
+ */
 public class ForbiddenBlockManager {
     private static final HashSet<XMaterial> forbidden = new HashSet<>();
 
@@ -41,6 +44,12 @@ public class ForbiddenBlockManager {
         forbidden.add(XMaterial.STICKY_PISTON);
     }
 
+    /**
+     * Check if this block may not be placed in a lift
+     *
+     * @param mat The material to check for
+     * @return true = not place this block
+     */
     public static boolean isForbidden(Material mat) {
         XMaterial xmat = XMaterial.matchXMaterial(mat);
         return forbidden.contains(xmat);

src/main/java/nl/SBDeveloper/V10Lift/managers/VaultManager.java

@@ -13,6 +13,11 @@ import java.util.List;
 public class VaultManager {
     private static Permission perms = null;
 
+    /**
+     * Setup the Vault permission API
+     *
+     * @return true if success, false if Vault not found
+     */
     public static boolean setupPermissions() {
         if (Bukkit.getServer().getPluginManager().getPlugin("Vault") == null) {
             return false;
@@ -22,17 +27,35 @@ public class VaultManager {
         return true;
     }
 
+    /**
+     * Get all the groups in the server
+     *
+     * @return A list with all the names of all the groups in the server
+     */
     public static List<String> getGroups() {
         return Arrays.asList(perms.getGroups());
     }
 
+    /**
+     * Check if a group exists
+     *
+     * @param groupName The name of the group
+     * @return true if exists
+     */
     public static boolean isGroup(String groupName) {
         return Arrays.asList(perms.getGroups()).contains(groupName);
     }
 
-    public static boolean userHasAnyGroup(Player player, HashSet<String> whitelistSet) {
+    /**
+     * Check if a user is in any of the groups provided
+     *
+     * @param player The player to check for
+     * @param groups The groups to check for
+     * @return true if in a group
+     */
+    public static boolean inAnyGroup(Player player, HashSet<String> groups) {
         boolean found = false;
-        for (String group : whitelistSet) {
+        for (String group : groups) {
             found = Arrays.asList(perms.getPlayerGroups(player)).contains(group);
         }
         return found;

src/main/java/nl/SBDeveloper/V10Lift/sbutils/SQLiteDB.java

@@ -64,9 +64,9 @@ public class SQLiteDB {
     /**
      * Get the connection, to execute queries
      *
-     * CREATE TABLE -> execute()
+     * CREATE TABLE - execute()
-     * SELECT -> executeQuery()
+     * SELECT - executeQuery()
-     * UPDATE -> executeUpdate()
+     * UPDATE - executeUpdate()
      *
      * @return Connection
      */

src/main/java/nl/SBDeveloper/V10Lift/sbutils/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * The package with all the SBDevelopment utils
+ */
+package nl.SBDeveloper.V10Lift.sbutils;

src/main/java/nl/SBDeveloper/V10Lift/utils/ConfigUtil.java

@@ -52,7 +52,7 @@ public class ConfigUtil {
      *
      * @param p The commandsender to send it to
      * @param path The path to look for
-     * @param replacement The replacements -> key: %Name% = value: TheName
+     * @param replacement The replacements - key: %Name% = value: TheName
      */
     public static void sendMessage(CommandSender p, @Nonnull String path, Map<String, String> replacement) {
         if (V10LiftPlugin.getMessages().getFile().get(path) == null) {

src/main/java/nl/SBDeveloper/V10Lift/utils/DoorUtil.java

@@ -13,7 +13,7 @@ import javax.annotation.Nonnull;
 public class DoorUtil {
 
     /**
-     * Open a door, with 1.12.x < and 1.13.x > support
+     * Open a door, with 1.12.x- and 1.13.x+ support
      * @param b The block (door)
      * @return true if opened, false if not opened
      */
@@ -51,7 +51,7 @@ public class DoorUtil {
     }
 
     /**
-     * Close a door, with 1.12.x < and 1.13.x > support
+     * Close a door, with 1.12.x- and 1.13.x+ support
      * @param b The block (door)
      * @return true if opened, false if not opened
      */