history feature added

Author: MohanPrasathSece

src/main/java/com/mycmd/App.java

@@ -29,6 +29,8 @@ public static void main(String[] args) {
             if (command != null) {
                 try {
                     command.execute(cmdArgs, context);
+                    // Add to history after successful execution
+                    context.addToHistory(input);
                 } catch (Exception e) {
                     System.out.println("Error: " + e.getMessage());
                 }
@@ -59,5 +61,6 @@ private static void registerCommands(Map<String, Command> commands) {
         commands.put("time", new TimeCommand());
         commands.put("tree", new TreeCommand());
         commands.put("date", new DateCommand());
+        commands.put("history", new HistoryCommand());
     }
 }

src/main/java/com/mycmd/ShellContext.java

@@ -1,12 +1,17 @@
 package com.mycmd;
 
 import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
 
 public class ShellContext {
     private File currentDir;
+    private List<String> commandHistory;
+    private static final int MAX_HISTORY = 10;
 
     public ShellContext() {
         this.currentDir = new File(System.getProperty("user.dir"));
+        this.commandHistory = new ArrayList<>();
     }
 
     public File getCurrentDir() {
@@ -16,4 +21,17 @@ public File getCurrentDir() {
     public void setCurrentDir(File dir) {
         this.currentDir = dir;
     }
+
+    public List<String> getCommandHistory() {
+        return commandHistory;
+    }
+
+    public void addToHistory(String command) {
+        if (command != null && !command.trim().isEmpty()) {
+            commandHistory.add(command.trim());
+            if (commandHistory.size() > MAX_HISTORY) {
+                commandHistory.remove(0);
+            }
+        }
+    }
 }

src/main/java/com/mycmd/commands/HistoryCommand.java

@@ -0,0 +1,23 @@
+package com.mycmd.commands;
+
+import com.mycmd.Command;
+import com.mycmd.ShellContext;
+
+public class HistoryCommand implements Command {
+
+    @Override
+    public void execute(String[] args, ShellContext context) {
+        // Get the command history from the context
+        var history = context.getCommandHistory();
+        
+        if (history.isEmpty()) {
+            System.out.println("No commands in history.");
+            return;
+        }
+        
+        // Display the history with numbers
+        for (int i = 0; i < history.size(); i++) {
+            System.out.println((i + 1) + ". " + history.get(i));
+        }
+    }
+}

target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

@@ -1,19 +1,27 @@
-/workspaces/MyCMD/src/main/java/com/mycmd/App.java
-/workspaces/MyCMD/src/main/java/com/mycmd/Command.java
-/workspaces/MyCMD/src/main/java/com/mycmd/ShellContext.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/CdCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/ClsCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/CopyCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/DateCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/DelCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/DirCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/EchoCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/ExitCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/HelpCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/LsCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/MkdirCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/MoveCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/PingCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/RmdirCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/TypeCommand.java
-/workspaces/MyCMD/src/main/java/com/mycmd/commands/VersionCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\App.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\Command.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\CdCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\ClsCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\ColorCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\CopyCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\DateCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\DelCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\DirCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\EchoCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\ExitCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\HelpCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\HistoryCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\HostnameCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\LsCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\MkdirCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\MoveCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\PingCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\RmdirCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\TimeCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\TitleCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\TouchCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\TreeCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\TypeCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\VersionCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\commands\WhoamiCommand.java
+c:\Users\kgfga\MyCMD\src\main\java\com\mycmd\ShellContext.java