RQCODE TASK: Add password lockout requirement

PasswordLockoutRequirement.java

@@ -0,0 +1,60 @@
+public class PasswordLockoutRequirement extends Requirement {
+    private String username;
+    private int MAX_ATTEMPTS_COUNT = 5;
+    private int attemptsCount;
+    private boolean isLocked;
+
+    public PasswordLockoutRequirement(String username) {
+        super("Requirement 3: Password Lockout Requirement");
+        this.username = username;
+        this.attemptsCount = 0;
+        this.isLocked = false;
+    }
+
+
+    @Override
+    public CheckStatus check() {
+        if (this.isLocked) {
+            System.out.println("Account is locked.");
+        } else {
+            System.out.println("Account is unlocked.");
+        }
+        return (((this.attemptsCount==MAX_ATTEMPTS_COUNT) && this.isLocked) || ((this.attemptsCount<MAX_ATTEMPTS_COUNT) && !this.isLocked)) ? CheckStatus.PASS : CheckStatus.FAIL;
+    }
+
+
+    public void recordFailedAttempt() {
+        if (!this.isLocked) {
+            ++this.attemptsCount;
+            System.out.println("Login Attempt Status: FAIL    Failed Attempts Count: "+this.attemptsCount);
+            if (this.attemptsCount >= MAX_ATTEMPTS_COUNT) {
+                this.lockAccount();
+            }
+        } else {
+            this.lockAccount();
+        }
+    }
+
+    public void recordSuccessfullAttempt() {
+        if (!this.isLocked) {
+            System.out.println("Login Attempt Status: PASS    Failed Attempts Count: "+this.attemptsCount);
+            resetFailedAttempts();
+        } else {
+            this.lockAccount();
+        }
+    }
+
+    private void lockAccount() {
+        this.isLocked = true;
+        System.out.println("FATAL: Account is locked! Please, reset your password.");
+    }
+
+    public boolean resetFailedAttempts() {
+        this.attemptsCount = 0;
+        this.isLocked = false;
+        System.out.println("Failed attempt count was reset!    Failed Attempts Count: "+this.attemptsCount);
+        return true;
+    }
+
+
+}