Added command system

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>me.finn.unlegitlibrary</groupId>
     <artifactId>unlegitlibrary</artifactId>
-    <version>1.4.2-OpenJDK11</version>
+    <version>1.5.0-OpenJDK11</version>
 
     <properties>
         <maven.compiler.source>11</maven.compiler.source>

src/main/java/me/finn/unlegitlibrary/command/Command.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
+ *
+ * You are unauthorized to remove this copyright.
+ * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
+ * See LICENSE-File if exists
+ */
+
+package me.finn.unlegitlibrary.command;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public abstract class Command {
+
+    public final CommandManager commandManager;
+    public final String name;
+    public final String description;
+    public final String usage;
+    private final List<CommandPermission> permissions;
+    private final List<String> aliases;
+
+    public final List<CommandPermission> getPermissions() {
+        return new ArrayList<>(permissions);
+    }
+
+    public final List<String> getAliases() {
+        return new ArrayList<>(aliases);
+    }
+
+    public Command(CommandManager commandManager, String name, String description, String usage, List<CommandPermission> permissions, List<String> aliases) {
+        this.commandManager = commandManager;
+        this.name = name;
+        this.description = description;
+        this.usage = usage;
+        this.permissions = permissions;
+        this.aliases = aliases;
+    }
+
+    public abstract void execute(CommandExecutor commandExecutor, String label, String[] args);
+}

src/main/java/me/finn/unlegitlibrary/command/CommandExecutor.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
+ *
+ * You are unauthorized to remove this copyright.
+ * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
+ * See LICENSE-File if exists
+ */
+
+package me.finn.unlegitlibrary.command;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+
+public abstract class CommandExecutor {
+
+    public final String name;
+    private final List<CommandPermission> permissions;
+
+    public List<CommandPermission> getPermissions() {
+        return new ArrayList<>(permissions);
+    }
+
+    public boolean hasPermission(CommandPermission permission) {
+        return permissions.contains(permission);
+    }
+
+    public boolean hasPermissions(List<CommandPermission> permissions) {
+        return new HashSet<>(this.permissions).containsAll(permissions);
+    }
+
+    public CommandExecutor(String name, CommandPermission... permissions) {
+        this.name = name;
+
+        this.permissions = new ArrayList<>();
+        this.permissions.addAll(Arrays.asList(permissions));
+    }
+
+
+}

src/main/java/me/finn/unlegitlibrary/command/CommandManager.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
+ *
+ * You are unauthorized to remove this copyright.
+ * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
+ * See LICENSE-File if exists
+ */
+
+package me.finn.unlegitlibrary.command;
+
+import me.finn.unlegitlibrary.command.events.*;
+import me.finn.unlegitlibrary.event.EventManager;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class CommandManager {
+
+    private final List<Command> commands;
+    private final EventManager eventManager;
+
+    public CommandManager(EventManager eventManager) {
+        this.commands = new ArrayList<>();
+        this.eventManager = eventManager;
+    }
+
+    public final void registerCommand(Command command) {
+        if (this.commands.contains(command)) return;
+        this.commands.add(command);
+    }
+
+    public final void unregisterCommand(Command command) {
+        if (!this.commands.contains(command)) return;
+        this.commands.remove(command);
+    }
+
+    public List<Command> getCommands() {
+        return new ArrayList<>(commands);
+    }
+
+    public Command getCommandByName(String name) {
+        for (Command command : commands) if (command.name.equals(name)) return command;
+        return null;
+    }
+
+    public Command getCommandByAliases(List<String> aliases) {
+        for (String alias : aliases) {
+            for (Command command : commands) {
+                List<String> aliasesCommand = new ArrayList<>();
+                for (String registeredAlias : command.getAliases()) aliasesCommand.add(registeredAlias.toLowerCase());
+                if (aliasesCommand.contains(alias.toLowerCase())) return command;
+            }
+        }
+
+        return null;
+    }
+
+    public Command getCommandByAlias(String alias) {
+        for (Command command : commands) {
+            List<String> aliasesCommand = new ArrayList<>();
+            for (String registeredAlias : command.getAliases()) aliasesCommand.add(registeredAlias.toLowerCase());
+            if (aliasesCommand.contains(alias.toLowerCase())) return command;
+        }
+
+        return null;
+    }
+
+    public Command getCommand(String input) {
+        if (getCommandByName(input) != null) return getCommandByName(input);
+        if (getCommandByAlias(input) != null) return getCommandByAlias(input);
+        return null;
+    }
+
+    public void execute(CommandExecutor commandExecutor, String line) {
+        String[] split = line.split(" ");
+        String command = split[0];
+
+        String[] args = Arrays.copyOfRange(split, 1, split.length);
+
+        if (getCommand(command) != null) {
+            Command cmd = getCommand(command);
+            PreCommandExecuteEvent preEvent = new PreCommandExecuteEvent(this, commandExecutor, cmd);
+            eventManager.executeEvent(preEvent);
+
+            if (preEvent.isCancelled()) return;
+
+            if (commandExecutor.hasPermissions(cmd.getPermissions())) {
+                CommandExecuteEvent event = new CommandExecuteEvent(this, commandExecutor, cmd);
+                eventManager.executeEvent(event);
+
+                if (event.isCancelled()) return;
+
+                cmd.execute(commandExecutor, command, args);
+                eventManager.executeEvent(new CommandExecutedEvent(this, commandExecutor, cmd));
+            } else eventManager.executeEvent(new CommandExecutorMissingPermissionEvent(this, commandExecutor, cmd));
+        } else eventManager.executeEvent(new CommandNotFoundEvent(this, commandExecutor, command, args));
+    }
+}

src/main/java/me/finn/unlegitlibrary/command/CommandPermission.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
+ *
+ * You are unauthorized to remove this copyright.
+ * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
+ * See LICENSE-File if exists
+ */
+
+package me.finn.unlegitlibrary.command;
+
+public class CommandPermission {
+
+    public final String name;
+    public final int level;
+
+    public CommandPermission(String name, int level) {
+        this.name = name;
+        this.level = level;
+    }
+}

src/main/java/me/finn/unlegitlibrary/command/events/CommandExecuteEvent.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
+ *
+ * You are unauthorized to remove this copyright.
+ * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
+ * See LICENSE-File if exists
+ */
+
+package me.finn.unlegitlibrary.command.events;
+
+import me.finn.unlegitlibrary.command.Command;
+import me.finn.unlegitlibrary.command.CommandExecutor;
+import me.finn.unlegitlibrary.command.CommandManager;
+import me.finn.unlegitlibrary.event.impl.CancellableEvent;
+import me.finn.unlegitlibrary.event.impl.Event;
+
+public class CommandExecuteEvent extends CancellableEvent {
+    public final CommandManager commandManager;
+    public final CommandExecutor commandExecutor;
+    public final Command command;
+
+    public CommandExecuteEvent(CommandManager commandManager, CommandExecutor commandExecutor, Command command) {
+        this.commandManager = commandManager;
+        this.commandExecutor = commandExecutor;
+        this.command = command;
+    }
+}

src/main/java/me/finn/unlegitlibrary/command/events/CommandExecutedEvent.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
+ *
+ * You are unauthorized to remove this copyright.
+ * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
+ * See LICENSE-File if exists
+ */
+
+package me.finn.unlegitlibrary.command.events;
+
+import me.finn.unlegitlibrary.command.Command;
+import me.finn.unlegitlibrary.command.CommandExecutor;
+import me.finn.unlegitlibrary.command.CommandManager;
+import me.finn.unlegitlibrary.event.impl.Event;
+
+public class CommandExecutedEvent extends Event {
+    public final CommandManager commandManager;
+    public final CommandExecutor commandExecutor;
+    public final Command command;
+
+    public CommandExecutedEvent(CommandManager commandManager, CommandExecutor commandExecutor, Command command) {
+        this.commandManager = commandManager;
+        this.commandExecutor = commandExecutor;
+        this.command = command;
+    }
+}

src/main/java/me/finn/unlegitlibrary/command/events/CommandExecutorMissingPermissionEvent.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
+ *
+ * You are unauthorized to remove this copyright.
+ * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
+ * See LICENSE-File if exists
+ */
+
+package me.finn.unlegitlibrary.command.events;
+
+import me.finn.unlegitlibrary.command.Command;
+import me.finn.unlegitlibrary.command.CommandExecutor;
+import me.finn.unlegitlibrary.command.CommandManager;
+import me.finn.unlegitlibrary.event.impl.CancellableEvent;
+import me.finn.unlegitlibrary.event.impl.Event;
+
+public class CommandExecutorMissingPermissionEvent extends Event {
+    public final CommandManager commandManager;
+    public final CommandExecutor commandExecutor;
+    public final Command command;
+
+    public CommandExecutorMissingPermissionEvent(CommandManager commandManager, CommandExecutor commandExecutor, Command command) {
+        this.commandManager = commandManager;
+        this.commandExecutor = commandExecutor;
+        this.command = command;
+    }
+}

src/main/java/me/finn/unlegitlibrary/command/events/CommandNotFoundEvent.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
+ *
+ * You are unauthorized to remove this copyright.
+ * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
+ * See LICENSE-File if exists
+ */
+
+package me.finn.unlegitlibrary.command.events;
+
+import me.finn.unlegitlibrary.command.Command;
+import me.finn.unlegitlibrary.command.CommandExecutor;
+import me.finn.unlegitlibrary.command.CommandManager;
+import me.finn.unlegitlibrary.event.impl.CancellableEvent;
+import me.finn.unlegitlibrary.event.impl.Event;
+
+public class CommandNotFoundEvent extends Event {
+    public final CommandManager commandManager;
+    public final CommandExecutor commandExecutor;
+    public final String name;
+    public final String[] args;
+
+    public CommandNotFoundEvent(CommandManager commandManager, CommandExecutor commandExecutor, String name, String[] args) {
+        this.commandManager = commandManager;
+        this.commandExecutor = commandExecutor;
+        this.name = name;
+        this.args = args;
+    }
+}

src/main/java/me/finn/unlegitlibrary/command/events/PreCommandExecuteEvent.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
+ *
+ * You are unauthorized to remove this copyright.
+ * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
+ * See LICENSE-File if exists
+ */
+
+package me.finn.unlegitlibrary.command.events;
+
+import me.finn.unlegitlibrary.command.Command;
+import me.finn.unlegitlibrary.command.CommandExecutor;
+import me.finn.unlegitlibrary.command.CommandManager;
+import me.finn.unlegitlibrary.event.impl.CancellableEvent;
+
+public class PreCommandExecuteEvent extends CancellableEvent {
+    public final CommandManager commandManager;
+    public final CommandExecutor commandExecutor;
+    public final Command command;
+
+    public PreCommandExecuteEvent(CommandManager commandManager, CommandExecutor commandExecutor, Command command) {
+        this.commandManager = commandManager;
+        this.commandExecutor = commandExecutor;
+        this.command = command;
+    }
+}

src/main/java/me/finn/unlegitlibrary/file/FileUtils.java

@@ -14,6 +14,8 @@ import java.io.*;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.*;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.stream.Stream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
@@ -40,6 +42,7 @@ public class FileUtils extends DefaultMethodsOverrider {
         return splitName[splitName.length - 2];
     }
 
+    @Deprecated
     public static void copyResourceToFile(String resourceName, File targetFile, Class resourceClass) throws IOException {
         InputStream inputStream = resourceClass.getResourceAsStream("/" + resourceName);
         OutputStream outputStream = new FileOutputStream(targetFile);
@@ -89,17 +92,17 @@ public class FileUtils extends DefaultMethodsOverrider {
         bis.close();
     }
 
-    public static boolean isEmpty(Path path) throws IOException {
+    public static boolean isEmpty(File file) throws IOException {
-        if (Files.isDirectory(path)) {
+        if (file.isDirectory()) {
-            try (Stream<Path> entries = Files.list(path)) {
+            try (Stream<Path> entries = Files.list(file.toPath())) {
                 return !entries.findFirst().isPresent();
             }
-        }
+        } else if (file.isFile()) return file.length() == 0;
 
         return false;
     }
 
-    public static String readFile(File file) throws IOException {
+    public static String readFileFull(File file) throws IOException {
         Long length = file.length();
         byte[] content = new byte[length.intValue()];
 
@@ -110,42 +113,12 @@ public class FileUtils extends DefaultMethodsOverrider {
         return new String(content, StandardCharsets.UTF_8);
     }
 
-    public static void copyFile(File sourceFile, File toFolder, boolean replaceExisting) throws IOException {
+    public static List<String> readFileLines(File file) throws IOException {
-        // Check if the source file exists and is a regular file
+        List<String> lines = new ArrayList<>();
-        if (!sourceFile.exists() || !sourceFile.isFile()) return;
+        BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF8"));
-
+        String str;
-        // Check if the destination folder exists and is a directory
+        while ((str = in.readLine()) != null) lines.add(str);
-        if (!toFolder.exists() || !toFolder.isDirectory()) return;
+        return lines;
-
-        // Get the name of the source file
-        String fileName = sourceFile.getName();
-        File destinationFile = new File(toFolder, fileName);
-
-
-        if (replaceExisting)
-            Files.copy(sourceFile.toPath(), destinationFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
-        else Files.copy(sourceFile.toPath(), destinationFile.toPath());
-    }
-
-    public static void copyFiles(File fromFolder, File toFolder, boolean replaceExisting) throws IOException {
-        // Check if the source directory exists and is a directory
-        if (!fromFolder.exists() || !fromFolder.isDirectory()) return;
-
-        // Check if the destination directory exists and is a directory
-        if (!toFolder.exists() || !toFolder.isDirectory()) return;
-
-        // List all files in the source directory
-        File[] filesToCopy = fromFolder.listFiles();
-        if (filesToCopy == null) return;
-
-        // Iterate through the files and copy them to the destination directory
-        for (File file : filesToCopy) {
-            Path source = file.toPath();
-            Path destination = new File(toFolder, file.getName()).toPath();
-
-            if (replaceExisting) Files.copy(source, destination, StandardCopyOption.REPLACE_EXISTING);
-            else Files.copy(source, destination);
-        }
     }
 
     public static void writeFile(File file, String text) throws IOException {
@@ -163,5 +136,4 @@ public class FileUtils extends DefaultMethodsOverrider {
         if (!file.isHidden()) return;
         Files.setAttribute(Paths.get(file.getPath()), "dos:hidden", false, LinkOption.NOFOLLOW_LINKS);
     }
-
 }

src/main/java/tests/Client.java

@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
- *
- * You are unauthorized to remove this copyright.
- * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
- * See LICENSE-File if exists
- */
-
-package tests;
-
-import me.finn.unlegitlibrary.event.EventManager;
-import me.finn.unlegitlibrary.network.system.client.NetworkClient;
-import me.finn.unlegitlibrary.network.system.packets.PacketHandler;
-
-import java.lang.reflect.InvocationTargetException;
-
-public class Client {
-    public static void main(String[] args) throws InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
-        new NetworkClient.ClientBuilder().setPacketHandler(new PacketHandler()).setEventManager(new EventManager()).
-                setHost("localhost").setPort(25565).build().connect();
-    }
-}

src/main/java/tests/Server.java

@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2024 UnlegitDqrk - All Rights Reserved
- *
- * You are unauthorized to remove this copyright.
- * You have to give Credits to the Author in your project and link this GitHub site: https://github.com/UnlegitDqrk
- * See LICENSE-File if exists
- */
-
-package tests;
-
-import me.finn.unlegitlibrary.event.EventManager;
-import me.finn.unlegitlibrary.network.system.client.NetworkClient;
-import me.finn.unlegitlibrary.network.system.packets.PacketHandler;
-import me.finn.unlegitlibrary.network.system.server.NetworkServer;
-
-import java.lang.reflect.InvocationTargetException;
-
-public class Server {
-    public static void main(String[] args) throws InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
-        new NetworkServer.ServerBuilder().setPacketHandler(new PacketHandler()).setEventManager(new EventManager()).
-                setPort(25565).build().start();
-    }
-}