Initial commit

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

@@ -0,0 +1,97 @@
+package net.frankheijden.serverutils;
+
+import co.aikar.commands.PaperCommandManager;
+import net.frankheijden.serverutils.commands.CommandPlugins;
+import net.frankheijden.serverutils.commands.CommandServerUtils;
+import net.frankheijden.serverutils.config.Messenger;
+import net.frankheijden.serverutils.reflection.*;
+import org.bukkit.Bukkit;
+import org.bukkit.command.*;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.io.File;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Arrays;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+public class ServerUtils extends JavaPlugin implements CommandExecutor {
+
+    private static ServerUtils instance;
+    private PaperCommandManager commandManager;
+
+    public static ServerUtils getInstance() {
+        return instance;
+    }
+
+    @Override
+    public void onEnable() {
+        super.onEnable();
+        instance = this;
+
+        this.removeCommands("pl", "plugins");
+
+        commandManager = new PaperCommandManager(this);
+        commandManager.registerCommand(new CommandServerUtils());
+        commandManager.registerCommand(new CommandPlugins());
+        commandManager.getCommandCompletions().registerAsyncCompletion("plugins", context -> Arrays.stream(Bukkit.getPluginManager().getPlugins())
+                .map(Plugin::getName)
+                .collect(Collectors.toList()));
+        commandManager.getCommandCompletions().registerAsyncCompletion("pluginJars", context -> Arrays.stream(getJars())
+                .map(File::getName)
+                .collect(Collectors.toList()));
+        commandManager.getCommandCompletions().registerAsyncCompletion("supportedConfigs", context -> CommandServerUtils.getSupportedConfigs());
+        reload();
+    }
+
+    @Override
+    public void onDisable() {
+        super.onDisable();
+    }
+
+    private void removeCommands(String... commands) {
+        Map<String, Command> map;
+        try {
+            map = RCommandMap.getKnownCommands(RCraftServer.getCommandMap());
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            return;
+        }
+
+        for (String command : commands) {
+            map.remove(command);
+        }
+    }
+
+    public void reload() {
+        new Messenger(copyResourceIfNotExists("messages.yml"));
+    }
+
+    public PaperCommandManager getCommandManager() {
+        return commandManager;
+    }
+
+    private File[] getJars() {
+        File parent = getDataFolder().getParentFile();
+        if (parent == null) return new File[0];
+        return parent.listFiles(f -> f.getName().endsWith(".jar"));
+    }
+
+    private void createDataFolderIfNotExists() {
+        if (!getDataFolder().exists()) {
+            getDataFolder().mkdirs();
+        }
+    }
+
+    private File copyResourceIfNotExists(String resource) {
+        createDataFolderIfNotExists();
+
+        File file = new File(getDataFolder(), resource);
+        if (!file.exists()) {
+            getLogger().info(String.format("'%s' not found, creating!", resource));
+            saveResource(resource, false);
+        }
+        return file;
+    }
+}