misc cleanup

common/src/main/java/me/lucko/luckperms/common/api/delegates/model/ApiStorage.java

@@ -34,7 +34,7 @@ import me.lucko.luckperms.api.Track;
 import me.lucko.luckperms.api.User;
 import me.lucko.luckperms.api.event.cause.CreationCause;
 import me.lucko.luckperms.api.event.cause.DeletionCause;
-import me.lucko.luckperms.common.config.ConfigKeys;
+import me.lucko.luckperms.common.node.NodeFactory;
 import me.lucko.luckperms.common.plugin.LuckPermsPlugin;
 
 import java.util.List;
@@ -158,7 +158,7 @@ public class ApiStorage implements Storage {
     @Override
     public CompletableFuture<Boolean> deleteGroup(@Nonnull Group group) {
         Objects.requireNonNull(group, "group");
-        if (group.getName().equalsIgnoreCase(this.plugin.getConfiguration().get(ConfigKeys.DEFAULT_GROUP_NAME))) {
+        if (group.getName().equalsIgnoreCase(NodeFactory.DEFAULT_GROUP_NAME)) {
             throw new IllegalArgumentException("Cannot delete the default group.");
         }
         return this.handle.noBuffer().deleteGroup(ApiGroup.cast(group), DeletionCause.API).thenApply(x -> true);

common/src/main/java/me/lucko/luckperms/common/commands/impl/group/DeleteGroup.java

@@ -33,11 +33,11 @@ import me.lucko.luckperms.common.commands.CommandResult;
 import me.lucko.luckperms.common.commands.abstraction.SingleCommand;
 import me.lucko.luckperms.common.commands.abstraction.SubCommand;
 import me.lucko.luckperms.common.commands.sender.Sender;
-import me.lucko.luckperms.common.config.ConfigKeys;
 import me.lucko.luckperms.common.locale.CommandSpec;
 import me.lucko.luckperms.common.locale.LocaleManager;
 import me.lucko.luckperms.common.locale.Message;
 import me.lucko.luckperms.common.model.Group;
+import me.lucko.luckperms.common.node.NodeFactory;
 import me.lucko.luckperms.common.plugin.LuckPermsPlugin;
 import me.lucko.luckperms.common.utils.Predicates;
 
@@ -57,7 +57,7 @@ public class DeleteGroup extends SingleCommand {
 
         String groupName = args.get(0).toLowerCase();
 
-        if (groupName.equalsIgnoreCase(plugin.getConfiguration().get(ConfigKeys.DEFAULT_GROUP_NAME))) {
+        if (groupName.equalsIgnoreCase(NodeFactory.DEFAULT_GROUP_NAME)) {
             Message.DELETE_GROUP_ERROR_DEFAULT.send(sender);
             return CommandResult.INVALID_ARGS;
         }

common/src/main/java/me/lucko/luckperms/common/config/ConfigKeys.java

@@ -36,13 +36,11 @@ import me.lucko.luckperms.common.config.keys.EnduringKey;
 import me.lucko.luckperms.common.config.keys.IntegerKey;
 import me.lucko.luckperms.common.config.keys.LowercaseStringKey;
 import me.lucko.luckperms.common.config.keys.MapKey;
-import me.lucko.luckperms.common.config.keys.StaticKey;
 import me.lucko.luckperms.common.config.keys.StringKey;
 import me.lucko.luckperms.common.metastacking.SimpleMetaStackDefinition;
 import me.lucko.luckperms.common.metastacking.StandardStackElements;
 import me.lucko.luckperms.common.model.TemporaryModifier;
 import me.lucko.luckperms.common.model.User;
-import me.lucko.luckperms.common.node.NodeFactory;
 import me.lucko.luckperms.common.primarygroup.AllParentsByWeightHolder;
 import me.lucko.luckperms.common.primarygroup.ParentsByWeightHolder;
 import me.lucko.luckperms.common.primarygroup.PrimaryGroupHolder;
@@ -84,20 +82,6 @@ public class ConfigKeys {
      */
     public static final ConfigKey<Integer> SYNC_TIME = EnduringKey.wrap(IntegerKey.of("data.sync-minutes", -1));
 
-    /**
-     * The permission node associated with the default group
-     *
-     * Constant since 2.6
-     */
-    public static final ConfigKey<String> DEFAULT_GROUP_NODE = StaticKey.of(NodeFactory.groupNode(NodeFactory.DEFAULT_GROUP_NAME));
-
-    /**
-     * The name of the default group
-     *
-     * Constant since 2.6
-     */
-    public static final ConfigKey<String> DEFAULT_GROUP_NAME = StaticKey.of(NodeFactory.DEFAULT_GROUP_NAME);
-
     /**
      * If permissions without a server context should be included.
      */

common/src/main/java/me/lucko/luckperms/common/config/keys/StaticKey.java

@@ -1,46 +0,0 @@
-/*
- * This file is part of LuckPerms, licensed under the MIT License.
- *
- *  Copyright (c) lucko (Luck) <luck@lucko.me>
- *  Copyright (c) contributors
- *
- *  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.
- */
-
-package me.lucko.luckperms.common.config.keys;
-
-import me.lucko.luckperms.common.config.ConfigKey;
-import me.lucko.luckperms.common.config.adapter.ConfigurationAdapter;
-
-public class StaticKey<T> implements ConfigKey<T> {
-    public static <T> StaticKey<T> of(T val) {
-        return new StaticKey<>(val);
-    }
-
-    private final T val;
-
-    private StaticKey(T val) {
-        this.val = val;
-    }
-
-    @Override
-    public T get(ConfigurationAdapter adapter) {
-        return this.val;
-    }
-}

common/src/main/java/me/lucko/luckperms/common/storage/dao/AbstractDao.java

@@ -41,6 +41,8 @@ import java.util.Optional;
 import java.util.Set;
 import java.util.UUID;
 
+import javax.annotation.Nullable;
+
 public abstract class AbstractDao {
 
     protected final LuckPermsPlugin plugin;
@@ -105,8 +107,10 @@ public abstract class AbstractDao {
 
     public abstract void saveUUIDData(UUID uuid, String username) throws Exception;
 
+    @Nullable
     public abstract UUID getUUID(String username) throws Exception;
 
+    @Nullable
     public abstract String getName(UUID uuid) throws Exception;
 
 }

common/src/main/java/me/lucko/luckperms/common/storage/dao/file/ConfigurateDao.java

@@ -763,7 +763,7 @@ public abstract class ConfigurateDao extends AbstractDao {
 
     @Override
     public UUID getUUID(String username) {
-        return this.uuidCache.lookupUUID(username);
+        return this.uuidCache.lookup(username);
     }
 
     @Override

common/src/main/java/me/lucko/luckperms/common/storage/dao/file/FileUuidCache.java

@@ -41,6 +41,8 @@ import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 
+import javax.annotation.Nullable;
+
 public class FileUuidCache {
     private static final Splitter KV_SPLIT = Splitter.on('=').omitEmptyStrings();
     private static final Splitter TIME_SPLIT = Splitter.on('|').omitEmptyStrings();
@@ -64,7 +66,8 @@ public class FileUuidCache {
      * @param username the username to lookup with
      * @return a uuid, or null
      */
-    public UUID lookupUUID(String username) {
+    @Nullable
+    public UUID lookup(String username) {
         Map.Entry<UUID, Long> ret = this.lookupMap.get(username.toLowerCase());
         return ret == null ? null : ret.getKey();
     }

common/src/main/java/me/lucko/luckperms/common/storage/dao/file/FileWatcher.java

@@ -42,6 +42,12 @@ import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 
 public class FileWatcher implements Runnable {
+    private static final WatchEvent.Kind[] KINDS = new WatchEvent.Kind[]{
+            StandardWatchEventKinds.ENTRY_CREATE,
+            StandardWatchEventKinds.ENTRY_DELETE,
+            StandardWatchEventKinds.ENTRY_MODIFY
+    };
+
     private final LuckPermsPlugin plugin;
 
     private final Map<String, WatchedLocation> keyMap;
@@ -66,17 +72,15 @@ public class FileWatcher implements Runnable {
 
         // Register with a delay to ignore changes made at startup
         this.plugin.getScheduler().asyncLater(() -> {
-            try {
+            this.keyMap.computeIfAbsent(id, s -> {
-                // doesn't need to be atomic
+                WatchKey key;
-                if (this.keyMap.containsKey(id)) {
+                try {
-                    throw new IllegalArgumentException("id already registered");
+                    key = path.register(this.watchService, KINDS);
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
                 }
-
+                return new WatchedLocation(path, key, consumer);
-                WatchKey key = path.register(this.watchService, StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_DELETE, StandardWatchEventKinds.ENTRY_MODIFY);
+            });
-                this.keyMap.put(id, new WatchedLocation(path, key, consumer));
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
         }, 40L);
     }
 

common/src/main/java/me/lucko/luckperms/common/tasks/UpdateTask.java

@@ -26,7 +26,7 @@
 package me.lucko.luckperms.common.tasks;
 
 import me.lucko.luckperms.api.event.cause.CreationCause;
-import me.lucko.luckperms.common.config.ConfigKeys;
+import me.lucko.luckperms.common.node.NodeFactory;
 import me.lucko.luckperms.common.plugin.LuckPermsPlugin;
 
 import java.util.concurrent.CompletableFuture;
@@ -62,9 +62,8 @@ public class UpdateTask implements Runnable {
 
         // Reload all groups
         this.plugin.getStorage().loadAllGroups().join();
-        String defaultGroup = this.plugin.getConfiguration().get(ConfigKeys.DEFAULT_GROUP_NAME);
+        if (!this.plugin.getGroupManager().isLoaded(NodeFactory.DEFAULT_GROUP_NAME)) {
-        if (!this.plugin.getGroupManager().isLoaded(defaultGroup)) {
+            this.plugin.getStorage().createAndLoadGroup(NodeFactory.DEFAULT_GROUP_NAME, CreationCause.INTERNAL).join();
-            this.plugin.getStorage().createAndLoadGroup(defaultGroup, CreationCause.INTERNAL).join();
         }
 
         // Reload all tracks