#422 added regex

core/src/cz/nic/tablexia/menu/user/UserMenu.java

@@ -61,6 +61,8 @@ public class UserMenu extends AbstractMenu {
     private static final int    SYNC_REQUEST_DIALOG_MAXIMUM_LENGTH   = 36;
     private static final float  SYNC_DIALOG_TITLE_PAD                = 0.15f;
     private static final float  SYNC_DIALOG_TEXT_FIELD_PAD           = 0.05f;
+    
+    public static final String  CODE_REGEX                           = "(([0-9]|[a-f]){8})-(([0-9]|[a-f]){4})-(([0-9]|[a-f]){4})-(([0-9]|[a-f]){4})-(([0-9]|[a-f]){12})$";
 
     private List<User> users;
 
@@ -166,14 +168,16 @@ public class UserMenu extends AbstractMenu {
                                 @Override
                                 public void clicked(InputEvent event, float x, float y) {
                                     super.clicked(event, x, y);
-                                    DownloadUser syncWork = new DownloadUser(textFiledDialogComponent.getText());
-                                    syncWork.registerListener(new SyncWork.RestSyncListener() {
-                                        @Override
-                                        public void onSuccess(User user) {
-                                            ApplicationBus.getInstance().post(new RefreshUserMenu()).asynchronously();
-                                        }
-                                    });
-                                    RestSynchronizationService.doSyncWork(syncWork);
+                                    if (textFiledDialogComponent.getText().length()>0 && textFiledDialogComponent.getText().toLowerCase().matches(CODE_REGEX)) {
+                                        DownloadUser syncWork = new DownloadUser(textFiledDialogComponent.getText());
+                                        syncWork.registerListener(new SyncWork.RestSyncListener() {
+                                            @Override
+                                            public void onSuccess(User user) {
+                                                ApplicationBus.getInstance().post(new RefreshUserMenu()).asynchronously();
+                                            }
+                                        });
+                                        RestSynchronizationService.doSyncWork(syncWork);
+                                    }
                                     //Prevents keyboard getting stuck
                                     Gdx.input.setOnscreenKeyboardVisible(false);
                                 }