Implemented getting bucket users

LoadBalancerWeb/src/main/java/ru/dragonestia/loadbalancer/web/component/UserList.java

@@ -0,0 +1,44 @@
+package ru.dragonestia.loadbalancer.web.component;
+
+import com.vaadin.flow.component.grid.ColumnTextAlign;
+import com.vaadin.flow.component.grid.Grid;
+import com.vaadin.flow.component.html.Span;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import ru.dragonestia.loadbalancer.web.model.Bucket;
+import ru.dragonestia.loadbalancer.web.model.User;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class UserList extends VerticalLayout {
+
+    private final Bucket bucket;
+    private final Grid<User> usersGrid;
+    private final Span totalUsers = new Span();
+    private final Span occupancy = new Span();
+    private List<User> cachedUsers = new ArrayList<>();
+
+    public UserList(Bucket bucket, List<User> users) {
+        this.bucket = bucket;
+
+        add(usersGrid = createUsersGrid());
+
+        update(users);
+    }
+
+    private Grid<User> createUsersGrid() {
+        var grid = new Grid<User>();
+        grid.addColumn(User::identifier).setHeader("User Identifier").setFooter(totalUsers);
+        grid.addColumn(user -> 0).setTextAlign(ColumnTextAlign.CENTER).setHeader("Linked with buckets") // TODO
+                .setFooter(occupancy);
+        grid.addComponentColumn(user -> new Span("buttons")).setHeader("Manage"); // TODO
+        return grid;
+    }
+
+    public void update(List<User> users) {
+        cachedUsers = users;
+        usersGrid.setItems(users);
+        totalUsers.setText("Total users: " + users.size());
+        occupancy.setText("Occupancy: %s".formatted(bucket.getUsingPercentage(users.size())));
+    }
+}

LoadBalancerWeb/src/main/java/ru/dragonestia/loadbalancer/web/model/Bucket.java

@@ -63,4 +63,10 @@ public class Bucket {
     public URI createApiURI() {
         return URI.create("/nodes/" + nodeIdentifier + "/buckets/" + identifier);
     }
+
+    public String getUsingPercentage(int used) {
+        if (getSlots().isUnlimited()) return "0%";
+        double percent = used / (double) getSlots().slots() * 100;
+        return ((int) percent) + "%";
+    }
 }

LoadBalancerWeb/src/main/java/ru/dragonestia/loadbalancer/web/page/BucketDetailsPage.java

@@ -18,26 +18,31 @@ import com.vaadin.flow.router.Route;
 import org.springframework.beans.factory.annotation.Autowired;
 import ru.dragonestia.loadbalancer.web.component.AddUsers;
 import ru.dragonestia.loadbalancer.web.component.NavPath;
+import ru.dragonestia.loadbalancer.web.component.UserList;
 import ru.dragonestia.loadbalancer.web.model.Bucket;
 import ru.dragonestia.loadbalancer.web.model.Node;
 import ru.dragonestia.loadbalancer.web.repository.BucketRepository;
 import ru.dragonestia.loadbalancer.web.repository.NodeRepository;
+import ru.dragonestia.loadbalancer.web.repository.UserRepository;
 
 @Route("/nodes/:nodeId/buckets/:bucketId")
 public class BucketDetailsPage extends VerticalLayout implements BeforeEnterObserver {
 
     private final NodeRepository nodeRepository;
     private final BucketRepository bucketRepository;
+    private final UserRepository userRepository;
     private Node node;
     private Bucket bucket;
     private AddUsers addUsers;
+    private UserList userList;
     private Button lockBucketButton;
     private VerticalLayout bucketInfo;
 
     @Autowired
-    public BucketDetailsPage(NodeRepository nodeRepository, BucketRepository bucketRepository) {
+    public BucketDetailsPage(NodeRepository nodeRepository, BucketRepository bucketRepository, UserRepository userRepository) {
         this.nodeRepository = nodeRepository;
         this.bucketRepository = bucketRepository;
+        this.userRepository = userRepository;
     }
 
     @Override
@@ -90,6 +95,7 @@ public class BucketDetailsPage extends VerticalLayout implements BeforeEnterObse
         add(addUsers = new AddUsers(bucket));
         add(new Hr());
         add(new H2("Users"));
+        add(userList = new UserList(bucket, userRepository.all(bucket)));
     }
 
     private void updateBucketInfo() {

LoadBalancerWeb/src/main/java/ru/dragonestia/loadbalancer/web/repository/UserRepository.java

@@ -0,0 +1,16 @@
+package ru.dragonestia.loadbalancer.web.repository;
+
+import ru.dragonestia.loadbalancer.web.model.Bucket;
+import ru.dragonestia.loadbalancer.web.model.User;
+
+import java.util.Collection;
+import java.util.List;
+
+public interface UserRepository {
+
+    void linkWithBucket(Bucket bucket, Collection<User> users);
+
+    void unlinkFromBucket(Bucket bucket, Collection<User> users);
+
+    List<User> all(Bucket bucket);
+}

LoadBalancerWeb/src/main/java/ru/dragonestia/loadbalancer/web/repository/impl/UserRepositoryImpl.java

@@ -0,0 +1,46 @@
+package ru.dragonestia.loadbalancer.web.repository.impl;
+
+import com.vaadin.flow.spring.annotation.SpringComponent;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.web.client.HttpClientErrorException;
+import ru.dragonestia.loadbalancer.web.model.Bucket;
+import ru.dragonestia.loadbalancer.web.model.User;
+import ru.dragonestia.loadbalancer.web.repository.UserRepository;
+import ru.dragonestia.loadbalancer.web.repository.impl.response.BucketUserListResponse;
+
+import java.net.URI;
+import java.util.Collection;
+import java.util.List;
+
+@Log4j2
+@RequiredArgsConstructor
+@SpringComponent
+public class UserRepositoryImpl implements UserRepository {
+
+    private final RestUtil rest;
+
+    @Override
+    public void linkWithBucket(Bucket bucket, Collection<User> users) {
+        // TODO
+    }
+
+    @Override
+    public void unlinkFromBucket(Bucket bucket, Collection<User> users) {
+        // TODO
+    }
+
+    @Override
+    public List<User> all(Bucket bucket) {
+        try {
+            var response = rest.get(URI.create("/nodes/%s/buckets/%s/users".formatted(bucket.getNodeIdentifier(), bucket.getIdentifier())),
+                    BucketUserListResponse.class,
+                    params -> {});
+
+            return response.users();
+        } catch (Exception ex) {
+            log.throwing(ex);
+            throw new Error("Internal error");
+        }
+    }
+}

LoadBalancerWeb/src/main/java/ru/dragonestia/loadbalancer/web/repository/impl/response/BucketUserListResponse.java

@@ -0,0 +1,7 @@
+package ru.dragonestia.loadbalancer.web.repository.impl.response;
+
+import ru.dragonestia.loadbalancer.web.model.User;
+
+import java.util.List;
+
+public record BucketUserListResponse(int slots, int usedSlots, List<User> users) {}

src/main/java/ru/dragonestia/loadbalancer/config/TestConfig.java

@@ -10,11 +10,16 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import ru.dragonestia.loadbalancer.interceptor.DebugInterceptor;
 import ru.dragonestia.loadbalancer.model.Bucket;
 import ru.dragonestia.loadbalancer.model.Node;
+import ru.dragonestia.loadbalancer.model.User;
 import ru.dragonestia.loadbalancer.model.type.LoadBalancingMethod;
 import ru.dragonestia.loadbalancer.model.type.SlotLimit;
 import ru.dragonestia.loadbalancer.repository.BucketRepository;
 import ru.dragonestia.loadbalancer.repository.NodeRepository;
+import ru.dragonestia.loadbalancer.repository.UserRepository;
 
+import java.security.SecureRandom;
+import java.util.List;
+import java.util.Random;
 import java.util.UUID;
 
 @Profile("test")
@@ -24,6 +29,9 @@ public class TestConfig implements WebMvcConfigurer {
 
     private final NodeRepository nodeRepository;
     private final BucketRepository bucketRepository;
+    private final UserRepository userRepository;
+
+    private final Random rand = new Random(0);
 
     @Override
     public void addInterceptors(@NonNull InterceptorRegistry registry) {
@@ -41,13 +49,26 @@ public class TestConfig implements WebMvcConfigurer {
         nodeRepository.createNode(node);
 
         for (int i = 1; i <= 5; i++) {
-            bucketRepository.createBucket(Bucket.create("test-" + i, node, SlotLimit.of(5 * i), "Some payload"));
+            var slots = 5 * i;
+            var bucket = Bucket.create("test-" + i, node, SlotLimit.of(slots), "Some payload");
+            bucketRepository.createBucket(bucket);
+
+            for (int j = 0, n = rand.nextInt(slots + 1); j < n; j++) {
+                var user = new User("test-user-" + rand.nextInt(20));
+                userRepository.linkWithBucket(bucket, List.of(user), false);
+            }
         }
 
         for (int i = 0; i < 5; i++) {
-            var bucket = Bucket.create(UUID.randomUUID().toString(), node, SlotLimit.unlimited(), "Some payload");
+            var bucket = Bucket.create(randomUUID().toString(), node, SlotLimit.unlimited(), "Some payload");
             bucket.setLocked((i & 1) == 0);
             bucketRepository.createBucket(bucket);
         }
     }
+
+    private UUID randomUUID() {
+        byte[] randomBytes = new byte[16];
+        rand.nextBytes(randomBytes);
+        return UUID.nameUUIDFromBytes(randomBytes);
+    }
 }

src/main/java/ru/dragonestia/loadbalancer/controller/UserBucketController.java

@@ -0,0 +1,114 @@
+package ru.dragonestia.loadbalancer.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.function.EntityResponse;
+import ru.dragonestia.loadbalancer.controller.response.BucketUserListResponse;
+import ru.dragonestia.loadbalancer.controller.response.LinkUsersWithBucketResponse;
+import ru.dragonestia.loadbalancer.model.Bucket;
+import ru.dragonestia.loadbalancer.model.Node;
+import ru.dragonestia.loadbalancer.model.User;
+import ru.dragonestia.loadbalancer.service.BucketService;
+import ru.dragonestia.loadbalancer.service.NodeService;
+import ru.dragonestia.loadbalancer.service.UserService;
+import ru.dragonestia.loadbalancer.util.NamingValidator;
+
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Objects;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/nodes/{nodeIdentifier}/buckets/{bucketIdentifier}/users")
+public class UserBucketController {
+
+    private final NodeService nodeService;
+    private final BucketService bucketService;
+    private final UserService userService;
+
+    @GetMapping
+    ResponseEntity<BucketUserListResponse> usersInsideBucket(@PathVariable(name = "nodeIdentifier") String nodeId,
+                                                             @PathVariable(name = "bucketIdentifier") String bucketId) {
+
+        Bucket bucket;
+        try {
+            var temp = getNodeAndBucket(nodeId, bucketId);
+            bucket = temp.bucket();
+        } catch (Error error) {
+            return ResponseEntity.notFound().build();
+        }
+
+        var users = userService.getBucketUsers(bucket);
+        return ResponseEntity.ok(new BucketUserListResponse(bucket.getSlots().getSlots(), users.size(), users));
+    }
+
+    @PostMapping
+    ResponseEntity<LinkUsersWithBucketResponse> linkUserWithBucket(@PathVariable(name = "nodeIdentifier") String nodeId,
+                                                                   @PathVariable(name = "bucketIdentifier") String bucketId,
+                                                                   @RequestParam(name = "users") String userIds,
+                                                                   @RequestParam(name = "force") boolean force) {
+
+        Bucket bucket;
+        try {
+            var temp = getNodeAndBucket(nodeId, bucketId);
+            bucket = temp.bucket();
+        } catch (Error error) {
+            return ResponseEntity.status(404).body(new LinkUsersWithBucketResponse(false, error.getMessage()));
+        }
+
+        var list = new LinkedList<User>();
+        for (var username: userIds.split(",")) {
+            if (!NamingValidator.validateUserIdentifier(username)) continue;
+
+            list.add(new User(username));
+        }
+
+        try {
+            userService.linkUsersWithBucket(bucket, list, force);
+        } catch (Error error) {
+            return ResponseEntity.status(400).body(new LinkUsersWithBucketResponse(false, error.getMessage()));
+        }
+
+        return ResponseEntity.ok(new LinkUsersWithBucketResponse(true, "Success"));
+    }
+
+    @DeleteMapping
+    ResponseEntity<?> unlinkUsersForBucket(@PathVariable(name = "nodeIdentifier") String nodeId,
+                                @PathVariable(name = "bucketIdentifier") String bucketId,
+                                @RequestParam(name = "users") String userIdentifiers) {
+
+        Node node;
+        Bucket bucket;
+        try {
+            var temp = getNodeAndBucket(nodeId, bucketId);
+            node = temp.node();
+            bucket = temp.bucket();
+        } catch (Error error) {
+            return ResponseEntity.notFound().build();
+        }
+
+        return null;
+    }
+
+    private record NodeAndBucket(Node node, Bucket bucket) {}
+
+    private NodeAndBucket getNodeAndBucket(String nodeId, String bucketId) {
+        if (!NamingValidator.validateNodeIdentifier(nodeId) || !NamingValidator.validateBucketIdentifier(bucketId)) {
+            throw new Error();
+        }
+
+        var nodeOpt = nodeService.findNode(nodeId);
+        if (nodeOpt.isEmpty()) {
+            throw new Error();
+        }
+
+        var bucketOpt = bucketService.findBucket(Objects.requireNonNull(nodeOpt.get()), bucketId);
+        if (bucketOpt.isEmpty()) {
+            throw new Error();
+        }
+
+        return new NodeAndBucket(nodeOpt.get(), bucketOpt.get());
+    }
+}

src/main/java/ru/dragonestia/loadbalancer/controller/UserController.java

@@ -1,29 +0,0 @@
-package ru.dragonestia.loadbalancer.controller;
-
-import org.springframework.web.bind.annotation.*;
-import ru.dragonestia.loadbalancer.model.Bucket;
-
-import java.util.Collection;
-
-@RestController
-@RequestMapping("/users")
-public class UserController {
-
-    @GetMapping
-    Collection<Bucket> linkedBucketsForUser(@RequestParam(name = "user") String userIdentifier) {
-        return null;
-    }
-
-    @PostMapping
-    String linkUserWithBucket(@RequestParam(name = "user") String userIdentifier,
-                              @RequestParam(name = "bucket") String bucketIdentifier,
-                              @RequestParam(name = "force") boolean force) {
-        return null;
-    }
-
-    @DeleteMapping
-    String unlinkUsersForBucket(@RequestParam(name = "users") String userIdentifiers,
-                                @RequestParam(name = "bucket") String bucketIdentifier) {
-        return null;
-    }
-}

src/main/java/ru/dragonestia/loadbalancer/controller/response/BucketUserListResponse.java

@@ -0,0 +1,7 @@
+package ru.dragonestia.loadbalancer.controller.response;
+
+import ru.dragonestia.loadbalancer.model.User;
+
+import java.util.List;
+
+public record BucketUserListResponse(int slots, int usedSlots, List<User> users) {}

src/main/java/ru/dragonestia/loadbalancer/controller/response/LinkUsersWithBucketResponse.java

@@ -0,0 +1,3 @@
+package ru.dragonestia.loadbalancer.controller.response;
+
+public record LinkUsersWithBucketResponse(boolean success, String message) {}

src/main/java/ru/dragonestia/loadbalancer/repository/BucketRepository.java

@@ -26,8 +26,6 @@ public interface BucketRepository {
 
     Optional<Bucket> pickFreeBucket(Node node, Collection<User> users);
 
-    void freeBucket(Bucket bucket, Collection<User> users);
-
     void onCreateNode(Node node);
 
     void onRemoveNode(Node node);

src/main/java/ru/dragonestia/loadbalancer/repository/UserRepository.java

@@ -9,11 +9,13 @@ import java.util.Map;
 
 public interface UserRepository {
 
-    Map<User, Boolean> linkWithBucket(Bucket bucket, Collection<User> users);
+    Map<User, Boolean> linkWithBucket(Bucket bucket, Collection<User> users, boolean force);
 
     int unlinkWithBucket(Bucket bucket, Collection<User> users);
 
     List<Bucket> findAllLinkedUserBuckets(User user);
 
     void onRemoveBucket(Bucket bucket);
+
+    List<User> usersOf(Bucket bucket);
 }

src/main/java/ru/dragonestia/loadbalancer/repository/impl/BucketRepositoryImpl.java

@@ -98,7 +98,7 @@ public class BucketRepositoryImpl implements BucketRepository {
 
             if (container.isPresent()) {
                 var cont = container.get();
-                var addedUsers = userRepository.linkWithBucket(cont.bucket(), users);
+                var addedUsers = userRepository.linkWithBucket(cont.bucket(), users, false);
                 cont.used().getAndAdd((int) addedUsers.values().stream().filter(Boolean.TRUE::equals).count());
             }
 
@@ -106,30 +106,6 @@ public class BucketRepositoryImpl implements BucketRepository {
         }
     }
 
-    @Override
-    public void freeBucket(Bucket bucket, Collection<User> users) {
-        var nodeId = bucket.getNodeIdentifier();
-        var node = node2bucketsMap.keySet().stream()
-                .filter(n -> bucket.getNodeIdentifier().equals(n.identifier()))
-                .findFirst();
-
-        synchronized (node2bucketsMap) {
-            if (node.isEmpty()) {
-                throw new IllegalArgumentException("Node '" + nodeId + "' does not exist");
-            }
-
-            var buckets = node2bucketsMap.get(node.get());
-            if (!buckets.containsKey(bucket.getIdentifier())) {
-                throw new IllegalArgumentException("Bucket '" + nodeId + "' does not exist");
-            }
-
-            var delta = userRepository.unlinkWithBucket(bucket, users);
-            if (buckets.get(bucket.getIdentifier()).used().getAndAdd(-delta) < 0) {
-                throw new RuntimeException("Bucket has less than 0 users");
-            }
-        }
-    }
-
     @Override
     public void onCreateNode(Node node) {
         synchronized (node2bucketsMap) {

src/main/java/ru/dragonestia/loadbalancer/repository/impl/UserRepositoryImpl.java

@@ -13,17 +13,37 @@ import java.util.concurrent.atomic.AtomicInteger;
 public class UserRepositoryImpl implements UserRepository {
 
     private final Map<User, Set<Bucket>> usersMap = new ConcurrentHashMap<>();
+    private final Map<NodeBucketPath, Set<User>> bucketUsers = new ConcurrentHashMap<>();
 
     @Override
-    public Map<User, Boolean> linkWithBucket(Bucket bucket, Collection<User> users) {
+    public Map<User, Boolean> linkWithBucket(Bucket bucket, Collection<User> users, boolean force) {
         var result = new HashMap<User, Boolean>();
 
         synchronized (usersMap) {
+            var path = new NodeBucketPath(bucket.getNodeIdentifier(), bucket.getIdentifier());
+            var usersSet = bucketUsers.getOrDefault(path, new HashSet<>());
+
+            if (force || bucket.getSlots().isUnlimited()) {
+                users.forEach(user -> result.put(user, true));
+            } else {
+                for (var user : users) {
+                    var set = usersMap.getOrDefault(user, new HashSet<>());
+                    result.put(user, !set.contains(bucket));
+                }
+
+                if (bucket.getSlots().getSlots() < usersSet.size() + users.size()) {
+                    throw new Error("Bucket are full");
+                }
+            }
+
             for (var user: users) {
                 var set = usersMap.getOrDefault(user, new HashSet<>());
-                result.put(user, set.add(bucket));
+                set.add(bucket);
                 usersMap.put(user, set);
             }
+
+            usersSet.addAll(users);
+            bucketUsers.put(path, usersSet);
         }
 
         return result;
@@ -43,6 +63,15 @@ public class UserRepositoryImpl implements UserRepository {
                     usersMap.remove(user);
                 }
             });
+
+            var path = new NodeBucketPath(bucket.getNodeIdentifier(), bucket.getIdentifier());
+            var set = bucketUsers.getOrDefault(path, new HashSet<>());
+            set.removeAll(users);
+            if (set.isEmpty()) {
+                bucketUsers.remove(path);
+            } else {
+                bucketUsers.put(path, set);
+            }
         }
         return counter.get();
     }
@@ -65,4 +94,31 @@ public class UserRepositoryImpl implements UserRepository {
             });
         }
     }
+
+    @Override
+    public List<User> usersOf(Bucket bucket) {
+        synchronized (usersMap) {
+            return bucketUsers.getOrDefault(new NodeBucketPath(bucket.getNodeIdentifier(), bucket.getIdentifier()), new HashSet<>())
+                    .stream()
+                    .toList();
+        }
+    }
+
+    private record NodeBucketPath(String node, String bucket) {
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(node, bucket);
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (o == null) return false;
+            if (o == this) return true;
+            if (o instanceof NodeBucketPath other) {
+                return other.node().equals(node()) && other.bucket().equals(bucket());
+            }
+            return false;
+        }
+    }
 }

src/main/java/ru/dragonestia/loadbalancer/service/BucketService.java

@@ -24,6 +24,4 @@ public interface BucketService {
     int countAvailableBuckets(Node node, int requiredSlots);
 
     Bucket pickAvailableBucket(Node node, List<User> users);
-
-    void freeBucket(Bucket bucket, List<User> users);
 }

src/main/java/ru/dragonestia/loadbalancer/service/UserService.java

@@ -3,9 +3,16 @@ package ru.dragonestia.loadbalancer.service;
 import ru.dragonestia.loadbalancer.model.Bucket;
 import ru.dragonestia.loadbalancer.model.User;
 
+import java.util.Collection;
 import java.util.List;
 
 public interface UserService {
 
     List<Bucket> getUserBuckets(User user);
+
+    void linkUsersWithBucket(Bucket bucket, Collection<User> users, boolean force);
+
+    void unlinkUsersFromBucket(Bucket bucket, Collection<User> users);
+
+    List<User> getBucketUsers(Bucket bucket);
 }

src/main/java/ru/dragonestia/loadbalancer/service/impl/BucketServiceImpl.java

@@ -51,9 +51,4 @@ public class BucketServiceImpl implements BucketService {
     public Bucket pickAvailableBucket(Node node, List<User> users) {
         throw new RuntimeException("Not implemented");
     }
-
-    @Override
-    public void freeBucket(Bucket bucket, List<User> users) {
-        throw new RuntimeException("Not implemented");
-    }
 }

src/main/java/ru/dragonestia/loadbalancer/service/impl/UserServiceImpl.java

@@ -0,0 +1,38 @@
+package ru.dragonestia.loadbalancer.service.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import ru.dragonestia.loadbalancer.model.Bucket;
+import ru.dragonestia.loadbalancer.model.User;
+import ru.dragonestia.loadbalancer.repository.UserRepository;
+import ru.dragonestia.loadbalancer.service.UserService;
+
+import java.util.Collection;
+import java.util.List;
+
+@RequiredArgsConstructor
+@Service
+public class UserServiceImpl implements UserService {
+
+    private final UserRepository userRepository;
+
+    @Override
+    public List<Bucket> getUserBuckets(User user) {
+        return userRepository.findAllLinkedUserBuckets(user);
+    }
+
+    @Override
+    public void linkUsersWithBucket(Bucket bucket, Collection<User> users, boolean force) {
+        userRepository.linkWithBucket(bucket, users, force);
+    }
+
+    @Override
+    public void unlinkUsersFromBucket(Bucket bucket, Collection<User> users) {
+        userRepository.unlinkWithBucket(bucket, users);
+    }
+
+    @Override
+    public List<User> getBucketUsers(Bucket bucket) {
+        return userRepository.usersOf(bucket);
+    }
+}

src/main/java/ru/dragonestia/loadbalancer/util/NamingValidator.java

@@ -12,4 +12,8 @@ public class NamingValidator {
     public boolean validateBucketIdentifier(String input) {
         return input.matches("^[a-z\\d-]+$");
     }
+
+    public boolean validateUserIdentifier(String input) {
+        return input.matches("^[aA-zZ\\d-.\\s:/@%?!~$)(+=_|;*]+$");
+    }
 }