chore: implemented password lock requirements

PasswordLockoutRequirement.java

@@ -0,0 +1,45 @@
+public class PasswordLockoutRequirement extends Requirement {
+    /**
+     * TODO Track and increment the count of failed login attempts for a specific user.
+     * TODO Determine whether an account is locked after 5 consecutive failed login attempts.
+     * TODO Provide a way to reset failed login attempts after a successful login or manual reset.
+     * TODO Evaluate whether the lockout condition has been met and return the appropriate status using the check() method.
+     */
+
+
+    private int failedAttempts;
+    private boolean isLocked;
+
+    public PasswordLockoutRequirement(String username) {
+        super(username);
+        failedAttempts = 0;
+        isLocked = false;
+    }
+
+    @Override
+    public CheckStatus check() {
+
+        if (this.getStatement() == null) { //check that the username is not null and was properly initialized.
+            return CheckStatus.INCOMPLETE;
+        }
+
+
+        if (!isLocked && failedAttempts < 5) { //check that the account is locked and there have been 5 consecutive failed attempts
+            return CheckStatus.PASS;
+        }
+        return CheckStatus.FAIL;
+    }
+
+
+    public void resetFailedAttempts() {
+        failedAttempts = 0; //reset failed login attempts
+    }
+
+
+    public void recordFailedAttempt() {
+        failedAttempts += 1;
+    }
+
+
+
+}