Commands Base Setup

Author: siddhant-vij

src/com/unixtools/Main.java

@@ -1,5 +1,19 @@
 package com.unixtools;
 
+import com.unixtools.core.CommandExecutor;
+
 public class Main {
-  
+  public static void main(String[] args) {
+    if (args.length == 0) {
+      System.out.println("No command provided.");
+      return;
+    }
+
+    String commandName = args[0];
+    String[] commandArgs = new String[args.length - 1];
+    System.arraycopy(args, 1, commandArgs, 0, args.length - 1);
+
+    CommandExecutor executor = new CommandExecutor();
+    executor.executeCommand(commandName, commandArgs);
+  }
 }

src/com/unixtools/common/Constants.java

@@ -1,5 +1,5 @@
 package com.unixtools.core;
 
-public class Command {
-  
+public interface Command {
+  void execute(String[] args);
 }

src/com/unixtools/common/Utils.java

@@ -1,5 +1,12 @@
 package com.unixtools.core;
 
 public class CommandExecutor {
-  
+  public void executeCommand(String commandName, String[] args) {
+    Command command = CommandFactory.getCommand(commandName);
+    if (command != null) {
+      command.execute(args);
+    } else {
+      System.out.println("Command not found.");
+    }
+  }
 }

src/com/unixtools/core/Command.java

@@ -1,5 +1,14 @@
 package com.unixtools.core;
 
+import com.unixtools.command.filemanagement.LsCommand;
+
 public class CommandFactory {
-  
+  public static Command getCommand(String commandName) {
+    switch (commandName) {
+      case "ls":
+        return new LsCommand();
+      default:
+        return null;
+    }
+  }
 }