Comply with checkstyle again

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/ServerUtils.java

@@ -11,9 +11,9 @@ import java.util.Map;
 import net.frankheijden.serverutils.bukkit.commands.CommandPlugins;
 import net.frankheijden.serverutils.bukkit.commands.CommandServerUtils;
 import net.frankheijden.serverutils.bukkit.entities.BukkitPlugin;
+import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
 import net.frankheijden.serverutils.bukkit.listeners.BukkitListener;
 import net.frankheijden.serverutils.bukkit.managers.BukkitPluginManager;
-import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
 import net.frankheijden.serverutils.bukkit.reflection.RCommandMap;
 import net.frankheijden.serverutils.bukkit.reflection.RCraftServer;
 import net.frankheijden.serverutils.common.ServerUtilsApp;
@@ -68,7 +68,7 @@ public class ServerUtils extends JavaPlugin implements CommandExecutor {
 
         Bukkit.getPluginManager().registerEvents(new BukkitListener(), this);
 
-        ServerUtilsApp.checkForUpdates();
+        ServerUtilsApp.tryCheckForUpdates();
     }
 
     public static ServerUtils getInstance() {

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/entities/BukkitChatProvider.java

@@ -6,18 +6,35 @@ import net.frankheijden.serverutils.common.providers.ChatProvider;
 import net.md_5.bungee.api.ChatColor;
 import org.bukkit.Bukkit;
 
+/**
+ * Provides basic chat functionality for Bukkit servers.
+ */
 public class BukkitChatProvider extends ChatProvider {
 
+    /**
+     * Retrieves the console sender of a Bukkit instance.
+     * @return The console sender.
+     */
     @Override
     public ServerCommandSender getConsoleSender() {
         return BukkitUtils.wrap(Bukkit.getConsoleSender());
     }
 
+    /**
+     * Colorizes the given string.
+     * @param str The string to color.
+     * @return The colored string.
+     */
     @Override
     public String color(String str) {
         return ChatColor.translateAlternateColorCodes('&', str);
     }
 
+    /**
+     * Broadcasts a message over a Bukkit instance.
+     * @param permission The permission the receivers need to have.
+     * @param message The message to broadcast.
+     */
     @Override
     public void broadcast(String permission, String message) {
         Bukkit.broadcast(message, permission);

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/entities/BukkitCommandSender.java

@@ -3,19 +3,35 @@ package net.frankheijden.serverutils.bukkit.entities;
 import net.frankheijden.serverutils.common.entities.ServerCommandSender;
 import org.bukkit.command.CommandSender;
 
+/**
+ * A wrap for a Bukkit CommandSender.
+ */
 public class BukkitCommandSender implements ServerCommandSender {
 
     private final CommandSender sender;
 
+    /**
+     * Constructs a new CommandSender instance.
+     * @param sender The sender to wrap.
+     */
     public BukkitCommandSender(CommandSender sender) {
         this.sender = sender;
     }
 
+    /**
+     * Sends a message to a CommandSender.
+     * @param message The message to send.
+     */
     @Override
     public void sendMessage(String message) {
         sender.sendMessage(message);
     }
 
+    /**
+     * Checks if the CommandSender has a permission.
+     * @param permission The permission to check.
+     * @return Whether or not they have the permission.
+     */
     @Override
     public boolean hasPermission(String permission) {
         return sender.hasPermission(permission);

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/entities/BukkitResourceProvider.java

@@ -4,8 +4,8 @@ import java.io.File;
 import java.io.InputStream;
 
 import net.frankheijden.serverutils.bukkit.ServerUtils;
-import net.frankheijden.serverutils.common.providers.ResourceProvider;
 import net.frankheijden.serverutils.common.config.YamlConfig;
+import net.frankheijden.serverutils.common.providers.ResourceProvider;
 
 public class BukkitResourceProvider implements ResourceProvider {
 

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/listeners/BukkitListener.java

@@ -1,7 +1,7 @@
 package net.frankheijden.serverutils.bukkit.listeners;
 
-import net.frankheijden.serverutils.common.listeners.ServerListener;
 import net.frankheijden.serverutils.bukkit.utils.BukkitUtils;
+import net.frankheijden.serverutils.common.listeners.ServerListener;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/managers/BukkitPluginManager.java

@@ -16,9 +16,9 @@ import net.frankheijden.serverutils.bukkit.reflection.RCraftingManager;
 import net.frankheijden.serverutils.bukkit.reflection.RJavaPlugin;
 import net.frankheijden.serverutils.bukkit.reflection.RPluginClassLoader;
 import net.frankheijden.serverutils.bukkit.reflection.RSimplePluginManager;
-import net.frankheijden.serverutils.common.managers.AbstractPluginManager;
 import net.frankheijden.serverutils.common.entities.CloseableResult;
 import net.frankheijden.serverutils.common.entities.Result;
+import net.frankheijden.serverutils.common.managers.AbstractPluginManager;
 import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.PluginCommand;
@@ -329,6 +329,15 @@ public class BukkitPluginManager extends AbstractPluginManager<Plugin> {
         return null;
     }
 
+    @Override
+    public File getPluginFile(Plugin plugin) {
+        try {
+            return RJavaPlugin.getFile(plugin);
+        } catch (ReflectiveOperationException ex) {
+            throw new RuntimeException("Error retrieving current plugin file", ex);
+        }
+    }
+
     @Override
     public File getPluginsFolder() {
         return plugin.getDataFolder().getParentFile();
@@ -343,13 +352,4 @@ public class BukkitPluginManager extends AbstractPluginManager<Plugin> {
     public String getPluginName(Plugin plugin) {
         return plugin.getName();
     }
-
-    @Override
-    public File getPluginFile(Plugin plugin) {
-        try {
-            return RJavaPlugin.getFile(plugin);
-        } catch (ReflectiveOperationException ex) {
-            throw new RuntimeException("Error retrieving current plugin file", ex);
-        }
-    }
 }

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/reflection/RDedicatedServer.java

@@ -1,7 +1,5 @@
 package net.frankheijden.serverutils.bukkit.reflection;
 
-import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
-
 import static net.frankheijden.serverutils.bukkit.entities.BukkitReflection.MINOR;
 import static net.frankheijden.serverutils.common.reflection.FieldParam.fieldOf;
 import static net.frankheijden.serverutils.common.reflection.MethodParam.methodOf;
@@ -18,6 +16,8 @@ import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.Map;
 
+import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
+
 public class RDedicatedServer {
 
     private static Class<?> dedicatedServerClass;

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/reflection/RDedicatedServerProperties.java

@@ -1,7 +1,5 @@
 package net.frankheijden.serverutils.bukkit.reflection;
 
-import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
-
 import static net.frankheijden.serverutils.common.reflection.FieldParam.fieldOf;
 import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.getAllFields;
 import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VERSIONS;
@@ -9,6 +7,8 @@ import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VE
 import java.lang.reflect.Field;
 import java.util.Map;
 
+import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
+
 public class RDedicatedServerProperties {
 
     private static Class<?> serverPropertiesClass;

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/reflection/RDedicatedServerSettings.java

@@ -1,7 +1,5 @@
 package net.frankheijden.serverutils.bukkit.reflection;
 
-import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
-
 import static net.frankheijden.serverutils.common.reflection.MethodParam.methodOf;
 import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.getAllMethods;
 import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VERSIONS;
@@ -9,6 +7,8 @@ import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VE
 import java.lang.reflect.Method;
 import java.util.Map;
 
+import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
+
 public class RDedicatedServerSettings {
 
     private static Class<?> serverSettingsClass;

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/reflection/RJsonList.java

@@ -1,7 +1,5 @@
 package net.frankheijden.serverutils.bukkit.reflection;
 
-import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
-
 import static net.frankheijden.serverutils.common.reflection.MethodParam.methodOf;
 import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.getAllMethods;
 import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.invoke;
@@ -11,6 +9,8 @@ import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.Map;
 
+import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
+
 public class RJsonList {
 
     private static Class<?> jsonListClass;

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/reflection/RMinecraftServer.java

@@ -1,7 +1,5 @@
 package net.frankheijden.serverutils.bukkit.reflection;
 
-import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
-
 import static net.frankheijden.serverutils.common.reflection.MethodParam.methodOf;
 import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.getAllMethods;
 import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VERSIONS;
@@ -9,6 +7,8 @@ import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VE
 import java.lang.reflect.Method;
 import java.util.Map;
 
+import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
+
 public class RMinecraftServer {
 
     private static Class<?> minecraftServerClass;

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/reflection/RPlayerList.java

@@ -1,7 +1,5 @@
 package net.frankheijden.serverutils.bukkit.reflection;
 
-import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
-
 import static net.frankheijden.serverutils.common.reflection.MethodParam.methodOf;
 import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.getAllMethods;
 import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VERSIONS;
@@ -9,6 +7,8 @@ import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VE
 import java.lang.reflect.Method;
 import java.util.Map;
 
+import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
+
 public class RPlayerList {
 
     private static Class<?> playerListClass;

Bukkit/src/main/java/net/frankheijden/serverutils/bukkit/reflection/RPropertyManager.java

@@ -1,7 +1,5 @@
 package net.frankheijden.serverutils.bukkit.reflection;
 
-import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
-
 import static net.frankheijden.serverutils.common.reflection.MethodParam.methodOf;
 import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.getAllMethods;
 import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VERSIONS;
@@ -9,6 +7,8 @@ import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VE
 import java.lang.reflect.Method;
 import java.util.Map;
 
+import net.frankheijden.serverutils.bukkit.entities.BukkitReflection;
+
 public class RPropertyManager {
 
     private static Class<?> propertyManagerClass;

Bungee/src/main/java/net/frankheijden/serverutils/bungee/ServerUtils.java

@@ -47,7 +47,7 @@ public class ServerUtils extends Plugin {
         reload();
         getProxy().getPluginManager().registerListener(this, new BungeeListener());
 
-        ServerUtilsApp.checkForUpdates();
+        ServerUtilsApp.tryCheckForUpdates();
     }
 
     public static ServerUtils getInstance() {

Bungee/src/main/java/net/frankheijden/serverutils/bungee/commands/CommandServerUtils.java

@@ -1,5 +1,7 @@
 package net.frankheijden.serverutils.bungee.commands;
 
+import static net.frankheijden.serverutils.common.config.Messenger.sendMessage;
+
 import co.aikar.commands.BaseCommand;
 import co.aikar.commands.annotation.CommandAlias;
 import co.aikar.commands.annotation.CommandCompletion;
@@ -7,6 +9,11 @@ import co.aikar.commands.annotation.CommandPermission;
 import co.aikar.commands.annotation.Default;
 import co.aikar.commands.annotation.Description;
 import co.aikar.commands.annotation.Subcommand;
+
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
 import net.frankheijden.serverutils.bungee.ServerUtils;
 import net.frankheijden.serverutils.bungee.entities.BungeeLoadResult;
 import net.frankheijden.serverutils.bungee.managers.BungeePluginManager;
@@ -25,12 +32,6 @@ import net.md_5.bungee.api.plugin.Command;
 import net.md_5.bungee.api.plugin.Plugin;
 import net.md_5.bungee.api.plugin.PluginDescription;
 
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-
-import static net.frankheijden.serverutils.common.config.Messenger.sendMessage;
-
 @CommandAlias("bsu|bserverutils")
 public class CommandServerUtils extends BaseCommand {
 

Bungee/src/main/java/net/frankheijden/serverutils/bungee/entities/BungeeResourceProvider.java

@@ -5,8 +5,8 @@ import java.io.IOException;
 import java.io.InputStream;
 
 import net.frankheijden.serverutils.bungee.ServerUtils;
-import net.frankheijden.serverutils.common.providers.ResourceProvider;
 import net.frankheijden.serverutils.common.config.YamlConfig;
+import net.frankheijden.serverutils.common.providers.ResourceProvider;
 
 public class BungeeResourceProvider implements ResourceProvider {
 

Bungee/src/main/java/net/frankheijden/serverutils/bungee/managers/BungeePluginManager.java

@@ -1,17 +1,6 @@
 package net.frankheijden.serverutils.bungee.managers;
 
 import com.google.common.base.Preconditions;
-import net.frankheijden.serverutils.bungee.ServerUtils;
-import net.frankheijden.serverutils.bungee.entities.BungeeLoadResult;
-import net.frankheijden.serverutils.bungee.reflection.RPluginClassLoader;
-import net.frankheijden.serverutils.bungee.reflection.RPluginManager;
-import net.frankheijden.serverutils.common.managers.AbstractPluginManager;
-import net.frankheijden.serverutils.common.entities.CloseableResult;
-import net.frankheijden.serverutils.common.entities.Result;
-import net.md_5.bungee.api.ProxyServer;
-import net.md_5.bungee.api.plugin.Plugin;
-import net.md_5.bungee.api.plugin.PluginDescription;
-import org.yaml.snakeyaml.Yaml;
 
 import java.io.Closeable;
 import java.io.File;
@@ -27,6 +16,18 @@ import java.util.jar.JarFile;
 import java.util.logging.Level;
 import java.util.stream.Collectors;
 
+import net.frankheijden.serverutils.bungee.ServerUtils;
+import net.frankheijden.serverutils.bungee.entities.BungeeLoadResult;
+import net.frankheijden.serverutils.bungee.reflection.RPluginClassLoader;
+import net.frankheijden.serverutils.bungee.reflection.RPluginManager;
+import net.frankheijden.serverutils.common.entities.CloseableResult;
+import net.frankheijden.serverutils.common.entities.Result;
+import net.frankheijden.serverutils.common.managers.AbstractPluginManager;
+import net.md_5.bungee.api.ProxyServer;
+import net.md_5.bungee.api.plugin.Plugin;
+import net.md_5.bungee.api.plugin.PluginDescription;
+import org.yaml.snakeyaml.Yaml;
+
 public class BungeePluginManager extends AbstractPluginManager<Plugin> {
 
     private static final ProxyServer proxy = ProxyServer.getInstance();
@@ -102,9 +103,8 @@ public class BungeePluginManager extends AbstractPluginManager<Plugin> {
         String name = desc.getName();
         try {
             plugin.onEnable();
-            proxy.getLogger().log(Level.INFO, "Enabled plugin {0} version {1} by {2}", new Object[] {
+            Object[] args = new Object[] { name, desc.getVersion(), desc.getAuthor() };
-                    name, desc.getVersion(), desc.getAuthor()
+            proxy.getLogger().log(Level.INFO, "Enabled plugin {0} version {1} by {2}", args);
-            });
             return Result.SUCCESS;
         } catch (Throwable th) {
             proxy.getLogger().log(Level.WARNING, "Exception encountered when loading plugin: " + name, th);
@@ -158,6 +158,11 @@ public class BungeePluginManager extends AbstractPluginManager<Plugin> {
         return new File(proxy.getPluginsFolder(), fileName);
     }
 
+    /**
+     * Retrieves the File of a plugin associated with a name.
+     * @param pluginName The plugin name to search for.
+     * @return The File if the plugin exists with that name.
+     */
     public File getPluginFile(String pluginName) {
         for (File file : getPluginJars()) {
             PluginDescription desc;
@@ -172,6 +177,17 @@ public class BungeePluginManager extends AbstractPluginManager<Plugin> {
         return null;
     }
 
+    @Override
+    public File getPluginFile(Plugin plugin) {
+        return plugin.getFile();
+    }
+
+    /**
+     * Retrieves the PluginDescription of a (plugin's) File.
+     * @param file The file.
+     * @return The PluginDescription.
+     * @throws Exception Iff and I/O exception occurred, or notNullChecks failed.
+     */
     public static PluginDescription getPluginDescription(File file) throws Exception {
         try (JarFile jar = new JarFile(file)) {
             JarEntry entry = getPluginDescriptionEntry(jar);
@@ -189,12 +205,22 @@ public class BungeePluginManager extends AbstractPluginManager<Plugin> {
         }
     }
 
+    /**
+     * Retrieves the JarEntry which contains the Description file of the JarFile.
+     * @param jar The JarFile.
+     * @return The description JarEntry.
+     */
     public static JarEntry getPluginDescriptionEntry(JarFile jar) {
         JarEntry entry = jar.getJarEntry("bungee.yml");
         if (entry == null) return jar.getJarEntry("plugin.yml");
         return entry;
     }
 
+    /**
+     * Retrieves the closable classloader of the plugin, if possible.
+     * @param plugin The plugin.
+     * @return The closable instance.
+     */
     public static Closeable getCloseable(Plugin plugin) {
         ClassLoader loader = plugin.getClass().getClassLoader();
         if (loader instanceof Closeable) return (Closeable) loader;
@@ -211,6 +237,11 @@ public class BungeePluginManager extends AbstractPluginManager<Plugin> {
         return getPlugins(false);
     }
 
+    /**
+     * Retrieves a list of plugins.
+     * @param modules Whether or not to include `module` plugins.
+     * @return The list of plugins.
+     */
     public List<Plugin> getPlugins(boolean modules) {
         Collection<Plugin> plugins = plugin.getProxy().getPluginManager().getPlugins();
         if (modules) return new ArrayList<>(plugins);
@@ -224,11 +255,11 @@ public class BungeePluginManager extends AbstractPluginManager<Plugin> {
         return plugin.getDataFolder().getName();
     }
 
-    @Override
+    /**
-    public File getPluginFile(Plugin plugin) {
+     * Retrieves the plugins sorted by their names.
-        return plugin.getFile();
+     * @param modules Whether or not to include `module` plugins
-    }
+     * @return The sorted plugins.
-
+     */
     public List<Plugin> getPluginsSorted(boolean modules) {
         List<Plugin> plugins = getPlugins(modules);
         plugins.sort(Comparator.comparing(this::getPluginName));

Bungee/src/main/java/net/frankheijden/serverutils/bungee/reflection/RPluginClassLoader.java

@@ -1,17 +1,14 @@
 package net.frankheijden.serverutils.bungee.reflection;
 
-import net.md_5.bungee.api.ProxyServer;
+import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.getAllFields;
-import net.md_5.bungee.api.plugin.PluginDescription;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
 import java.net.URL;
 import java.util.Map;
 
-import static net.frankheijden.serverutils.common.reflection.FieldParam.fieldOf;
+import net.md_5.bungee.api.ProxyServer;
-import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.getAllFields;
+import net.md_5.bungee.api.plugin.PluginDescription;
-import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VERSIONS;
 
 public class RPluginClassLoader {
 

Bungee/src/main/java/net/frankheijden/serverutils/bungee/reflection/RPluginManager.java

@@ -5,10 +5,11 @@ import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.get
 import static net.frankheijden.serverutils.common.reflection.ReflectionUtils.getAllFields;
 import static net.frankheijden.serverutils.common.reflection.VersionParam.ALL_VERSIONS;
 
+import com.google.common.collect.Multimap;
+
 import java.lang.reflect.Field;
 import java.util.Map;
 
-import com.google.common.collect.Multimap;
 import net.frankheijden.serverutils.common.utils.MapUtils;
 import net.md_5.bungee.api.plugin.Command;
 import net.md_5.bungee.api.plugin.Plugin;
@@ -60,6 +61,13 @@ public class RPluginManager {
         return (Map<String, Command>) get(fields, instance, "commandMap");
     }
 
+    /**
+     * Retrieves the registered plugin of the command.
+     * @param instance The PluginManager instance.
+     * @param cmd The command to check the plugin of.
+     * @return The plugin of the command
+     * @throws IllegalAccessException Iff some reflection error occurred.
+     */
     @SuppressWarnings("unchecked")
     public static Plugin getPlugin(Object instance, Command cmd) throws IllegalAccessException {
         Object obj = get(fields, instance, "commandsByPlugin");

Common/src/main/java/net/frankheijden/serverutils/common/ServerUtilsApp.java

@@ -24,7 +24,10 @@ public class ServerUtilsApp<T> {
         new ServerUtilsApp<>(obj, plugin);
     }
 
-    public static void checkForUpdates() {
+    /**
+     * Tries checking for updates if enabled by the config.
+     */
+    public static void tryCheckForUpdates() {
         if (Config.getInstance().getConfig().getBoolean("settings.check-updates")) {
             UpdateCheckerTask.start(getPlugin().getChatProvider().getConsoleSender(), true);
         }

Common/src/main/java/net/frankheijden/serverutils/common/commands/Plugins.java

@@ -7,6 +7,9 @@ import net.frankheijden.serverutils.common.entities.ServerCommandSender;
 import net.frankheijden.serverutils.common.utils.ListBuilder;
 import net.frankheijden.serverutils.common.utils.ListFormat;
 
+/**
+ * Provides some common utility methods for the Plugins command.
+ */
 public class Plugins {
 
     /**

Common/src/main/java/net/frankheijden/serverutils/common/config/Config.java

@@ -1,14 +1,26 @@
 package net.frankheijden.serverutils.common.config;
 
+/**
+ * The general common config class.
+ */
 public class Config extends YamlResource {
 
     private static Config instance;
 
+    /**
+     * Constructs a new Config with the config file name and the resource name from the jar.
+     * @param fileName The file name in the data folder.
+     * @param resource The resource name in the jar file.
+     */
     public Config(String fileName, String resource) {
         super(fileName, resource);
         instance = this;
     }
 
+    /**
+     * Retrieves the current instance of the Config.
+     * @return The current instance.
+     */
     public static Config getInstance() {
         return instance;
     }

Common/src/main/java/net/frankheijden/serverutils/common/config/Messenger.java

@@ -5,16 +5,28 @@ import net.frankheijden.serverutils.common.entities.ServerCommandSender;
 import net.frankheijden.serverutils.common.entities.ServerUtilsPlugin;
 import net.frankheijden.serverutils.common.utils.StringUtils;
 
+/**
+ * The general common messenger class.
+ */
 public class Messenger extends YamlResource {
 
     private static Messenger instance;
     private static final ServerUtilsPlugin plugin = ServerUtilsApp.getPlugin();
 
+    /**
+     * Constructs a new Messenger with the messages file name and the resource name from the jar.
+     * @param fileName The file name in the data folder.
+     * @param resource The resource name in the jar file.
+     */
     public Messenger(String fileName, String resource) {
         super(fileName, resource);
         instance = this;
     }
 
+    /**
+     * Retrieves the current instance of the Messenger.
+     * @return The current instance.
+     */
     public static Messenger getInstance() {
         return instance;
     }
@@ -61,6 +73,11 @@ public class Messenger extends YamlResource {
         }
     }
 
+    /**
+     * Colorizes the given string.
+     * @param str The string to color.
+     * @return The colored string.
+     */
     public static String color(String str) {
         return Messenger.plugin.getChatProvider().color(str);
     }

Common/src/main/java/net/frankheijden/serverutils/common/config/YamlConfig.java

@@ -3,20 +3,56 @@ package net.frankheijden.serverutils.common.config;
 import java.io.IOException;
 import java.util.Collection;
 
+/**
+ * A wrap for a Yaml Configuration file.
+ */
 public interface YamlConfig {
 
+    /**
+     * Retrieves the value at a given path.
+     * @param path The path.
+     * @return The object.
+     */
     Object get(String path);
 
+    /**
+     * Sets a value to a path.
+     * @param path The path.
+     * @param value The object to set the path's value to.
+     */
     void set(String path, Object value);
 
+    /**
+     * Retrieves a string from a path.
+     * @param path The path.
+     * @return The string at given path.
+     */
     String getString(String path);
 
+    /**
+     * Retrieves a boolean from a path.
+     * @param path The path.
+     * @return The boolean at given path.
+     */
     boolean getBoolean(String path);
 
+    /**
+     * Retrieves the key nodes at the current level.
+     * @return The keys.
+     */
     Collection<? extends String> getKeys();
 
+    /**
+     * Saves the YamlConfig to disk.
+     * @throws IOException Iff an I/O error occurred.
+     */
     void save() throws IOException;
 
+    /**
+     * Adds defaults if keys don't exist to the configuration specified.
+     * @param def The defaults to copy values over from.
+     * @param conf The configuration to copy the defaults to.
+     */
     static void addDefaults(YamlConfig def, YamlConfig conf) {
         addDefaults(def, conf, "");
     }

Common/src/main/java/net/frankheijden/serverutils/common/config/YamlResource.java

@@ -7,6 +7,9 @@ import net.frankheijden.serverutils.common.ServerUtilsApp;
 import net.frankheijden.serverutils.common.entities.ServerUtilsPlugin;
 import net.frankheijden.serverutils.common.providers.ResourceProvider;
 
+/**
+ * A class which provides functionality for loading and setting defaults of Yaml Configurations.
+ */
 public class YamlResource {
 
     private static final ServerUtilsPlugin plugin = ServerUtilsApp.getPlugin();
@@ -26,6 +29,10 @@ public class YamlResource {
         config = YamlConfig.init(provider.load(is), provider.load(file));
     }
 
+    /**
+     * Retrieves the YamlConfig of this resource.
+     * @return The YamlConfig.
+     */
     public YamlConfig getConfig() {
         return config;
     }

Common/src/main/java/net/frankheijden/serverutils/common/entities/CloseableResult.java

@@ -3,6 +3,9 @@ package net.frankheijden.serverutils.common.entities;
 import java.io.Closeable;
 import java.io.IOException;
 
+/**
+ * A result which should be closed when done.
+ */
 public class CloseableResult implements Closeable {
 
     private Result result;
@@ -20,18 +23,35 @@ public class CloseableResult implements Closeable {
         this.closeable = closeable;
     }
 
+    /**
+     * Constructs a new closable result with no closable instance.
+     * @param result The result of the procedure
+     */
     public CloseableResult(Result result) {
         this(result, null);
     }
 
+    /**
+     * Constructs a new closable result with a closable instance and success result.
+     * @param closeable The closable of the procedure.
+     */
     public CloseableResult(Closeable closeable) {
         this(Result.SUCCESS, closeable);
     }
 
+    /**
+     * Retrieves the result.
+     * @return The result.
+     */
     public Result getResult() {
         return result;
     }
 
+    /**
+     * Sets the result of this instance.
+     * @param result The result to set.
+     * @return The current instance.
+     */
     public CloseableResult set(Result result) {
         this.result = result;
         return this;
@@ -49,6 +69,10 @@ public class CloseableResult implements Closeable {
         }
     }
 
+    /**
+     * Closes the closable.
+     * @throws IOException Iff an I/O error occurred.
+     */
     @Override
     public void close() throws IOException {
         closeable.close();

Common/src/main/java/net/frankheijden/serverutils/common/entities/LoadResult.java

@@ -1,31 +1,60 @@
 package net.frankheijden.serverutils.common.entities;
 
+/**
+ * A result which contains a loaded object from a load operation.
+ * @param <T> The loaded object type
+ */
 public class LoadResult<T> {
 
     private final T obj;
     private final Result result;
 
+    /**
+     * Constructs a new LoadResult with an object and a result.
+     * @param obj The object of the load operation.
+     * @param result The result of the load operation.
+     */
     public LoadResult(T obj, Result result) {
         this.obj = obj;
         this.result = result;
     }
 
+    /**
+     * Constructs a new LoadResult with an object and a success result.
+     * @param obj The object of the load operation.
+     */
     public LoadResult(T obj) {
         this(obj, Result.SUCCESS);
     }
 
+    /**
+     * Constructs a new LoadResult without a loaded object, just a result.
+     * @param result The result of the load operation.
+     */
     public LoadResult(Result result) {
         this(null, result);
     }
 
+    /**
+     * Retrieves the loaded object.
+     * @return The loaded object.
+     */
     public T get() {
         return obj;
     }
 
+    /**
+     * The result of the LoadResult.
+     * @return The result.
+     */
     public Result getResult() {
         return result;
     }
 
+    /**
+     * Checks whether the result is a success.
+     * @return Whether there is success or not.
+     */
     public boolean isSuccess() {
         return obj != null && result == Result.SUCCESS;
     }

Common/src/main/java/net/frankheijden/serverutils/common/entities/Result.java

@@ -2,6 +2,9 @@ package net.frankheijden.serverutils.common.entities;
 
 import net.frankheijden.serverutils.common.config.Messenger;
 
+/**
+ * An enum containing possible results.
+ */
 public enum Result {
     NOT_EXISTS,
     NOT_ENABLED,
@@ -17,10 +20,18 @@ public enum Result {
 
     private String arg;
 
+    /**
+     * private constructor which initializes a result with an empty argument.
+     */
     Result() {
         this.arg = "";
     }
 
+    /**
+     * Sets the argument of the result's message.
+     * @param arg The argument
+     * @return The current instance.
+     */
     public Result arg(String arg) {
         this.arg = arg;
         return this;

Common/src/main/java/net/frankheijden/serverutils/common/entities/ServerCommandSender.java

@@ -1,8 +1,20 @@
 package net.frankheijden.serverutils.common.entities;
 
+/**
+ * A basic wrapper for a CommandSender.
+ */
 public interface ServerCommandSender {
 
+    /**
+     * Sends a message to a CommandSender.
+     * @param message The message to send.
+     */
     void sendMessage(String message);
 
+    /**
+     * Checks if the CommandSender has a permission.
+     * @param permission The permission to check.
+     * @return Whether or not they have the permission.
+     */
     boolean hasPermission(String permission);
 }

Common/src/main/java/net/frankheijden/serverutils/common/listeners/ServerListener.java

@@ -9,6 +9,10 @@ public class ServerListener {
 
     private static final YamlConfig config = Config.getInstance().getConfig();
 
+    /**
+     * Handles the update check on the given ServerCommandSender.
+     * @param sender The sender which triggered the update.
+     */
     public static void handleUpdate(ServerCommandSender sender) {
         if (!config.getBoolean("settings.check-updates-login")) return;
 

Common/src/main/java/net/frankheijden/serverutils/common/managers/AbstractPluginManager.java

@@ -1,12 +1,12 @@
 package net.frankheijden.serverutils.common.managers;
 
+import java.io.File;
+
 import net.frankheijden.serverutils.common.entities.CloseableResult;
 import net.frankheijden.serverutils.common.entities.LoadResult;
 import net.frankheijden.serverutils.common.entities.Result;
 import net.frankheijden.serverutils.common.providers.PluginProvider;
 
-import java.io.File;
-
 public abstract class AbstractPluginManager<T> extends PluginProvider<T> {
 
     public abstract LoadResult<T> loadPlugin(String pluginFile);

Common/src/main/java/net/frankheijden/serverutils/common/providers/ChatProvider.java

@@ -2,11 +2,28 @@ package net.frankheijden.serverutils.common.providers;
 
 import net.frankheijden.serverutils.common.entities.ServerCommandSender;
 
+/**
+ * A basic chat provider class.
+ */
 public abstract class ChatProvider {
 
+    /**
+     * Retrieves the console sender of a server instance.
+     * @return The console sender.
+     */
     public abstract ServerCommandSender getConsoleSender();
 
+    /**
+     * Colorizes the given string.
+     * @param str The string to color.
+     * @return The colored string.
+     */
     public abstract String color(String str);
 
+    /**
+     * Broadcasts a message over a server instance.
+     * @param permission The permission the receivers need to have.
+     * @param message The message to broadcast.
+     */
     public abstract void broadcast(String permission, String message);
 }

Common/src/main/java/net/frankheijden/serverutils/common/providers/PluginProvider.java

@@ -16,12 +16,20 @@ public abstract class PluginProvider<T> {
 
     public abstract File getPluginFile(T plugin);
 
+    /**
+     * Retrieves a list of plugins, sorted by name.
+     * @return The list of plugins.
+     */
     public List<T> getPluginsSorted() {
         List<T> plugins = getPlugins();
         plugins.sort(Comparator.comparing(this::getPluginName));
         return plugins;
     }
 
+    /**
+     * Retrieves a list of plugin names.
+     * @return The plugin names.
+     */
     public List<String> getPluginNames() {
         return getPlugins().stream()
                 .map(this::getPluginName)

Common/src/main/java/net/frankheijden/serverutils/common/providers/ResourceProvider.java

@@ -1,10 +1,10 @@
 package net.frankheijden.serverutils.common.providers;
 
-import net.frankheijden.serverutils.common.config.YamlConfig;
-
 import java.io.File;
 import java.io.InputStream;
 
+import net.frankheijden.serverutils.common.config.YamlConfig;
+
 public interface ResourceProvider {
 
     InputStream getResource(String resource);

Common/src/main/java/net/frankheijden/serverutils/common/tasks/UpdateCheckerTask.java

@@ -4,6 +4,7 @@ import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 
+import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.net.ConnectException;
@@ -12,13 +13,13 @@ import java.net.UnknownHostException;
 import java.util.logging.Level;
 
 import net.frankheijden.serverutils.common.ServerUtilsApp;
-import net.frankheijden.serverutils.common.entities.ServerUtilsPlugin;
-import net.frankheijden.serverutils.common.managers.AbstractVersionManager;
 import net.frankheijden.serverutils.common.config.Config;
 import net.frankheijden.serverutils.common.config.Messenger;
 import net.frankheijden.serverutils.common.config.YamlConfig;
 import net.frankheijden.serverutils.common.entities.CloseableResult;
 import net.frankheijden.serverutils.common.entities.ServerCommandSender;
+import net.frankheijden.serverutils.common.entities.ServerUtilsPlugin;
+import net.frankheijden.serverutils.common.managers.AbstractVersionManager;
 import net.frankheijden.serverutils.common.utils.FileUtils;
 import net.frankheijden.serverutils.common.utils.VersionUtils;
 
@@ -158,8 +159,9 @@ public class UpdateCheckerTask implements Runnable {
             return;
         }
 
+        File pluginFile = plugin.getPluginManager().getPluginFile(ServerUtilsApp.getPlatformPlugin());
         try {
-            FileUtils.download(downloadLink, plugin.getPluginManager().getPluginFile(ServerUtilsApp.getPlatformPlugin()));
+            FileUtils.download(downloadLink, pluginFile);
         } catch (IOException ex) {
             broadcastDownloadStatus(githubVersion, true);
             throw new RuntimeException(DOWNLOAD_ERROR, ex);

build.gradle

@@ -43,9 +43,9 @@ subprojects {
         toolVersion "8.25"
         configFile = rootProject.file('config/checkstyle/checkstyle.xml')
 
-//        ignoreFailures = false
+        ignoreFailures = false
-//        maxErrors = 0
+        maxErrors = 0
-//        maxWarnings = 0
+        maxWarnings = 0
     }
 
     shadowJar.dependsOn checkstyleMain, checkstyleTest, test