RQ3 PasswordLockoutRequirement.java and fix other files

Checkable.java

@@ -1,7 +1,3 @@
-package rqcode.concepts;
-
-
-
 /**
  * Implementations of this interface are requirements that can be checked programmatically through the check function.
  */

CombinedRequirements.java

@@ -1,4 +1,3 @@
-package rqcode.concepts;
 import java.util.List;
 
 public abstract class CombinedRequirements extends Requirement {

Main.java

@@ -1,7 +1,3 @@
-package rqcode.tutorial.tutorial_new;
-
-import rqcode.concepts.Checkable;
-
 import java.util.Scanner;
 
 public class Main {

PasswordComplexity.java

@@ -1,7 +1,3 @@
-
-import rqcode.concepts.Requirement;
-
-
 public class PasswordComplexity extends Requirement {
 
     private String password;

PasswordLockoutRequirement.java

@@ -0,0 +1,68 @@
+import java.util.HashMap;
+import java.util.Map;
+
+public class PasswordLockoutRequirement extends Requirement {
+
+    private final String username;
+    public PasswordLockoutRequirement(String username) {
+        this.username = username;
+        userStatusMap.putIfAbsent(username, new UserLoginStatus());
+    }
+
+    private static final int FAILED_ATTEMPTS_LIMIT = 5;
+
+    private static final long LOCK_MS = 1000 * 22; // lock time
+
+    private final Map<String, UserLoginStatus> userStatusMap = new HashMap<>();
+
+
+    @Override
+    public Checkable.CheckStatus check() {
+        UserLoginStatus status = userStatusMap.get(username);
+
+        if (status.isLockedCheck()) {
+            long currentTime = System.currentTimeMillis();
+            if (currentTime - status.getLockStartTime() > LOCK_MS) {
+                status.resetLock();
+                return Checkable.CheckStatus.PASS;
+            }
+            return Checkable.CheckStatus.FAIL;
+        }
+
+        return Checkable.CheckStatus.PASS;
+    }
+
+    private static class UserLoginStatus {
+        private long lockStartTime = 0;
+        private int failedAttemptsCount = 0;
+
+
+        public void incrementFailedAttempts() {
+            failedAttemptsCount++;
+            if (failedAttemptsCount >= FAILED_ATTEMPTS_LIMIT) {
+                lockStartTime = System.currentTimeMillis();
+            }
+        }
+        public void resetFailedAttempts() {
+            failedAttemptsCount = 0;
+            lockStartTime = 0;
+        }
+        public boolean isLockedCheck() {
+            return lockStartTime > 0;
+        }
+        public long getLockStartTime() {
+            return lockStartTime;
+        }
+        public void resetLock() {
+            lockStartTime = 0;
+        }
+    }
+
+    public void recordFailedAttempt() {
+        userStatusMap.get(username).incrementFailedAttempts();
+    }
+    public void resetFailedAttempts() {
+        userStatusMap.get(username).resetFailedAttempts();
+    }
+
+}

PasswordMinimumLength.java

@@ -1,6 +1,3 @@
-
-import rqcode.concepts.Requirement;
-
 public class PasswordMinimumLength extends Requirement {
     private static final int MIN_LENGTH = 8;
     private static final int MAX_LENGTH = 64;

PasswordPolicy.java

@@ -1,6 +1,3 @@
-package rqcode.tutorial.tutorial_new;
-import rqcode.concepts.CombinedRequirements;
-import rqcode.concepts.Requirement;
 import java.util.Arrays;
 import java.util.List;
 

Requirement.java

@@ -1,7 +1,4 @@
 
-
-import rqcode.concepts.Enforceable.EnforcementStatus;
-
 /**
  * The RQCODE requirement class.
  */