Add stuff - first commit

src/main/java/me/chayapak1/chomensbot_mabe/plugins/CommandHandlerPlugin.java

@@ -0,0 +1,61 @@
+package me.chayapak1.chomensbot_mabe.plugins;
+
+import lombok.Getter;
+import me.chayapak1.chomensbot_mabe.command.Command;
+import me.chayapak1.chomensbot_mabe.command.CommandContext;
+import me.chayapak1.chomensbot_mabe.commands.*;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.HoverEvent;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.apache.commons.lang3.exception.ExceptionUtils;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+public class CommandHandlerPlugin {
+    @Getter private static final Map<String, Command> commands = new HashMap<>();
+
+    public CommandHandlerPlugin () {
+        registerCommand("cb", new CommandBlockCommand());
+        registerCommand("cowsay", new CowsayCommand());
+        registerCommand("echo", new EchoCommand());
+        registerCommand("help", new HelpCommand());
+        registerCommand("test", new TestCommand());
+        registerCommand("throw", new ThrowCommand());
+    }
+
+    public void registerCommand (String commandName, Command command) {
+        commands.put(commandName, command);
+    }
+
+    public static Component executeCommand (String input, CommandContext context) {
+        final String[] splitInput = input.split(" ");
+
+        final String commandName = splitInput[0];
+        final String[] args = Arrays.copyOfRange(splitInput, 1, splitInput.length);
+
+        final Command command = commands.get(commandName);
+
+        if (command != null) {
+            try {
+                return command.execute(context, args);
+            } catch (Exception exception) {
+                exception.printStackTrace();
+
+                final String stackTrace = ExceptionUtils.getStackTrace(exception);
+                return Component
+                        .text("An error occurred while trying to execute the command, hover here for more details", NamedTextColor.RED)
+                        .hoverEvent(
+                                HoverEvent.showText(
+                                        Component
+                                                .text(stackTrace)
+                                                .color(NamedTextColor.RED)
+                                )
+                        );
+            }
+        } else {
+            return Component.text("Unknown command: " + commandName).color(NamedTextColor.RED);
+        }
+    }
+}