Feature - plugin watcher, detect file changes & reload

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

@@ -53,10 +53,18 @@ public class ServerUtils extends Plugin {
         reload();
         getProxy().getPluginManager().registerListener(this, new BungeeListener());
 
+        plugin.enable();
+
         loadClasses();
         ServerUtilsApp.tryCheckForUpdates();
     }
 
+    @Override
+    public void onDisable() {
+        super.onDisable();
+        plugin.disable();
+    }
+
     /**
      * Loads some classes in memory so they're available during updating.
      */

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

@@ -20,6 +20,7 @@ import net.frankheijden.serverutils.bungee.managers.BungeePluginManager;
 import net.frankheijden.serverutils.bungee.reflection.RPluginManager;
 import net.frankheijden.serverutils.bungee.utils.BungeeUtils;
 import net.frankheijden.serverutils.common.config.Messenger;
+import net.frankheijden.serverutils.common.entities.AbstractResult;
 import net.frankheijden.serverutils.common.entities.CloseableResult;
 import net.frankheijden.serverutils.common.entities.Result;
 import net.frankheijden.serverutils.common.entities.ServerCommandSender;
@@ -150,6 +151,35 @@ public class CommandServerUtils extends BaseCommand {
         }
     }
 
+    /**
+     * Watches the given plugin and reloads it when a change is detected to the file.
+     * @param sender The sender of the command.
+     * @param pluginName The plugin name.
+     */
+    @Subcommand("watchplugin")
+    @CommandCompletion("@plugins")
+    @CommandPermission("serverutils.watchplugin")
+    @Description("Watches the specified plugin for changes.")
+    public void onWatchPlugin(CommandSender sender, String pluginName) {
+        ServerCommandSender commandSender = BungeeUtils.wrap(sender);
+        AbstractResult result = BungeePluginManager.get().watchPlugin(commandSender, pluginName);
+        result.sendTo(commandSender, "watch", pluginName);
+    }
+
+    /**
+     * Stops watching the given plugin.
+     * @param sender The sender of the command.
+     * @param pluginName The plugin name.
+     */
+    @Subcommand("unwatchplugin")
+    @CommandCompletion("@plugins")
+    @CommandPermission("serverutils.unwatchplugin")
+    @Description("Stops watching the specified plugin for changes.")
+    public void onUnwatchPlugin(CommandSender sender, String pluginName) {
+        AbstractResult result = BungeePluginManager.get().unwatchPlugin(pluginName);
+        result.sendTo(BungeeUtils.wrap(sender), "unwatch", pluginName);
+    }
+
     /**
      * Shows information about the specified plugin.
      * @param commandSender The sender of the command.

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

@@ -2,6 +2,7 @@ package net.frankheijden.serverutils.bungee.entities;
 
 import net.frankheijden.serverutils.common.entities.ServerCommandSender;
 import net.md_5.bungee.api.CommandSender;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
 
 public class BungeeCommandSender implements ServerCommandSender {
 
@@ -20,4 +21,13 @@ public class BungeeCommandSender implements ServerCommandSender {
     public boolean hasPermission(String permission) {
         return sender.hasPermission(permission);
     }
+
+    /**
+     * Whether or not the given instance is a player.
+     * @return Boolean true or false.
+     */
+    @Override
+    public boolean isPlayer() {
+        return sender instanceof ProxiedPlayer;
+    }
 }

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

@@ -38,6 +38,7 @@ public class BungeePlugin extends ServerUtilsPlugin {
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public BungeeTaskManager getTaskManager() {
         return taskManager;
     }

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

@@ -176,6 +176,7 @@ public class BungeePluginManager extends AbstractPluginManager<Plugin> {
      * @param pluginName The plugin name to search for.
      * @return The File if the plugin exists with that name.
      */
+    @Override
     public File getPluginFile(String pluginName) {
         for (File file : getPluginJars()) {
             PluginDescription desc;
@@ -195,6 +196,11 @@ public class BungeePluginManager extends AbstractPluginManager<Plugin> {
         return plugin.getFile();
     }
 
+    @Override
+    public Plugin getPlugin(String pluginName) {
+        return proxy.getPluginManager().getPlugin(pluginName);
+    }
+
     @Override
     public Set<String> getCommands() {
         return proxy.getPluginManager().getCommands().stream()

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

@@ -3,8 +3,13 @@ package net.frankheijden.serverutils.bungee.managers;
 import net.frankheijden.serverutils.bungee.ServerUtils;
 import net.frankheijden.serverutils.common.managers.AbstractTaskManager;
 import net.md_5.bungee.api.ProxyServer;
+import net.md_5.bungee.api.scheduler.ScheduledTask;
 
-public class BungeeTaskManager extends AbstractTaskManager {
+public class BungeeTaskManager extends AbstractTaskManager<ScheduledTask> {
+
+    public BungeeTaskManager() {
+        super(ScheduledTask::cancel);
+    }
 
     @Override
     public void runTask(Runnable runnable) {