optimize all imports

frontend/components/leafletmap/leaflet-map.js

@@ -1,5 +1,5 @@
-import { PolymerElement } from '@polymer/polymer/polymer-element';
-import { html } from '@polymer/polymer/lib/utils/html-tag';
+import {PolymerElement} from '@polymer/polymer/polymer-element';
+import {html} from '@polymer/polymer/lib/utils/html-tag';
 import * as L from 'leaflet';
 
 const openStreetMapLayer = 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png';

src/main/java/com/example/application/data/bean/MatchForMatchdayView.java

@@ -1,12 +1,8 @@
 package com.example.application.data.bean;
 
-import com.example.application.data.entity.Game;
 import com.example.application.data.entity.Match;
-import com.example.application.data.entity.Matchday;
 import com.example.application.data.entity.Player;
 
-import java.util.Collection;
-
 public class MatchForMatchdayView {
     private Match match;
     private Player player1;

src/main/java/com/example/application/data/entity/SampleAddress.java

@@ -1,9 +1,9 @@
 package com.example.application.data.entity;
 
-import javax.persistence.Entity;
-
 import com.example.application.data.AbstractEntity;
 
+import javax.persistence.Entity;
+
 @Entity
 public class SampleAddress extends AbstractEntity {
 

src/main/java/com/example/application/data/entity/SamplePerson.java

@@ -1,8 +1,8 @@
 package com.example.application.data.entity;
 
-import javax.persistence.Entity;
-
 import com.example.application.data.AbstractEntity;
+
+import javax.persistence.Entity;
 import java.time.LocalDate;
 
 @Entity

src/main/java/com/example/application/data/generator/DataGenerator.java

@@ -1,18 +1,9 @@
 package com.example.application.data.generator;
 
-import com.vaadin.flow.spring.annotation.SpringComponent;
-
 import com.example.application.data.service.SamplePersonRepository;
-import com.example.application.data.entity.SamplePerson;
-
-import java.time.LocalDateTime;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.vaadin.flow.spring.annotation.SpringComponent;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.context.annotation.Bean;
-import org.vaadin.artur.exampledata.DataType;
-import org.vaadin.artur.exampledata.ExampleDataGenerator;
 
 @SpringComponent
 public class DataGenerator {

src/main/java/com/example/application/data/service/GameInfoRepository.java

@@ -1,6 +1,5 @@
 package com.example.application.data.service;
 
-import com.example.application.data.entity.Game;
 import com.example.application.data.entity.GameInfo;
 import org.springframework.data.jpa.repository.JpaRepository;
 

src/main/java/com/example/application/data/service/MatchRepository.java

@@ -1,6 +1,5 @@
 package com.example.application.data.service;
 
-import com.example.application.data.entity.Game;
 import com.example.application.data.entity.Match;
 import org.springframework.data.jpa.repository.JpaRepository;
 

src/main/java/com/example/application/data/service/MatchdayRepository.java

@@ -1,6 +1,5 @@
 package com.example.application.data.service;
 
-import com.example.application.data.entity.Game;
 import com.example.application.data.entity.Matchday;
 import org.springframework.data.jpa.repository.JpaRepository;
 

src/main/java/com/example/application/data/service/PlayerInfoRepository.java

@@ -1,6 +1,5 @@
 package com.example.application.data.service;
 
-import com.example.application.data.entity.Game;
 import com.example.application.data.entity.PlayerInfo;
 import org.springframework.data.jpa.repository.JpaRepository;
 

src/main/java/com/example/application/data/service/PlayerRepository.java

@@ -1,6 +1,5 @@
 package com.example.application.data.service;
 
-import com.example.application.data.entity.Game;
 import com.example.application.data.entity.Player;
 import org.springframework.data.jpa.repository.JpaRepository;
 

src/main/java/com/example/application/data/service/SampleAddressRepository.java

@@ -1,7 +1,6 @@
 package com.example.application.data.service;
 
 import com.example.application.data.entity.SampleAddress;
-
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface SampleAddressRepository extends JpaRepository<SampleAddress, Integer> {

src/main/java/com/example/application/data/service/SampleAddressService.java

@@ -1,7 +1,6 @@
 package com.example.application.data.service;
 
 import com.example.application.data.entity.SampleAddress;
-
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.vaadin.artur.helpers.CrudService;

src/main/java/com/example/application/data/service/SamplePersonRepository.java

@@ -1,9 +1,7 @@
 package com.example.application.data.service;
 
 import com.example.application.data.entity.SamplePerson;
-
 import org.springframework.data.jpa.repository.JpaRepository;
-import java.time.LocalDate;
 
 public interface SamplePersonRepository extends JpaRepository<SamplePerson, Integer> {
 

src/main/java/com/example/application/data/service/SamplePersonService.java

@@ -1,11 +1,9 @@
 package com.example.application.data.service;
 
 import com.example.application.data.entity.SamplePerson;
-
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.vaadin.artur.helpers.CrudService;
-import java.time.LocalDate;
 
 @Service
 public class SamplePersonService extends CrudService<SamplePerson, Integer> {

src/main/java/com/example/application/data/service/SeasonRepository.java

@@ -1,6 +1,5 @@
 package com.example.application.data.service;
 
-import com.example.application.data.entity.Game;
 import com.example.application.data.entity.Season;
 import org.springframework.data.jpa.repository.JpaRepository;
 

src/main/java/com/example/application/data/service/SeasonService.java

@@ -5,7 +5,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.vaadin.artur.helpers.CrudService;
 
-import java.util.Collection;
 import java.util.Comparator;
 import java.util.List;
 import java.util.stream.Collectors;

src/main/java/com/example/application/views/about/AboutView.java

@@ -1,13 +1,12 @@
 package com.example.application.views.about;
 
-import com.example.application.data.entity.*;
 import com.example.application.data.service.GameService;
+import com.example.application.views.main.MainView;
 import com.vaadin.flow.component.Text;
 import com.vaadin.flow.component.dependency.CssImport;
 import com.vaadin.flow.component.html.Div;
-import com.vaadin.flow.router.Route;
 import com.vaadin.flow.router.PageTitle;
-import com.example.application.views.main.MainView;
+import com.vaadin.flow.router.Route;
 
 @CssImport("./views/about/about-view.css")
 @Route(value = "about", layout = MainView.class)

src/main/java/com/example/application/views/addressform/AddressFormView.java

@@ -2,6 +2,7 @@ package com.example.application.views.addressform;
 
 import com.example.application.data.entity.SampleAddress;
 import com.example.application.data.service.SampleAddressService;
+import com.example.application.views.main.MainView;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.button.Button;
 import com.vaadin.flow.component.button.ButtonVariant;
@@ -14,9 +15,8 @@ import com.vaadin.flow.component.notification.Notification;
 import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
 import com.vaadin.flow.component.textfield.TextField;
 import com.vaadin.flow.data.binder.Binder;
-import com.vaadin.flow.router.Route;
 import com.vaadin.flow.router.PageTitle;
-import com.example.application.views.main.MainView;
+import com.vaadin.flow.router.Route;
 
 @CssImport("./views/addressform/address-form-view.css")
 @Route(value = "address-form", layout = MainView.class)

src/main/java/com/example/application/views/cardlist/CardListView.java

@@ -1,10 +1,7 @@
 package com.example.application.views.cardlist;
 
-import java.util.Arrays;
-import java.util.List;
-
+import com.example.application.views.main.MainView;
 import com.vaadin.flow.component.dependency.CssImport;
-import com.vaadin.flow.component.dependency.JsModule;
 import com.vaadin.flow.component.grid.Grid;
 import com.vaadin.flow.component.grid.GridVariant;
 import com.vaadin.flow.component.html.Div;
@@ -15,9 +12,11 @@ import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
 import com.vaadin.flow.component.orderedlayout.VerticalLayout;
 import com.vaadin.flow.router.AfterNavigationEvent;
 import com.vaadin.flow.router.AfterNavigationObserver;
-import com.vaadin.flow.router.Route;
 import com.vaadin.flow.router.PageTitle;
-import com.example.application.views.main.MainView;
+import com.vaadin.flow.router.Route;
+
+import java.util.Arrays;
+import java.util.List;
 
 @CssImport("./views/cardlist/card-list-view.css")
 @Route(value = "card-list", layout = MainView.class)
@@ -31,7 +30,7 @@ public class CardListView extends Div implements AfterNavigationObserver {
         setSizeFull();
         grid.setHeight("100%");
         grid.addThemeVariants(GridVariant.LUMO_NO_BORDER, GridVariant.LUMO_NO_ROW_BORDERS);
-        grid.addComponentColumn(person -> createCard(person));
+        grid.addComponentColumn(this::createCard);
         add(grid);
     }
 

src/main/java/com/example/application/views/creditcardform/CreditCardFormView.java

@@ -1,5 +1,6 @@
 package com.example.application.views.creditcardform;
 
+import com.example.application.views.main.MainView;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.button.Button;
 import com.vaadin.flow.component.button.ButtonVariant;
@@ -13,9 +14,8 @@ import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
 import com.vaadin.flow.component.select.Select;
 import com.vaadin.flow.component.textfield.PasswordField;
 import com.vaadin.flow.component.textfield.TextField;
-import com.vaadin.flow.router.Route;
 import com.vaadin.flow.router.PageTitle;
-import com.example.application.views.main.MainView;
+import com.vaadin.flow.router.Route;
 
 @CssImport("./views/creditcardform/credit-card-form-view.css")
 @Route(value = "credit-card-form", layout = MainView.class)
@@ -39,12 +39,8 @@ public class CreditCardFormView extends Div {
         add(createFormLayout());
         add(createButtonLayout());
 
-        cancel.addClickListener(e -> {
-            Notification.show("Not implemented");
-        });
-        submit.addClickListener(e -> {
-            Notification.show("Not implemented");
-        });
+        cancel.addClickListener(e -> Notification.show("Not implemented"));
+        submit.addClickListener(e -> Notification.show("Not implemented"));
     }
 
     private Component createTitle() {

src/main/java/com/example/application/views/helloworld/HelloWorldView.java

@@ -1,15 +1,13 @@
 package com.example.application.views.helloworld;
 
+import com.example.application.views.main.MainView;
 import com.vaadin.flow.component.button.Button;
 import com.vaadin.flow.component.dependency.CssImport;
 import com.vaadin.flow.component.notification.Notification;
 import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
-import com.vaadin.flow.component.orderedlayout.VerticalLayout;
 import com.vaadin.flow.component.textfield.TextField;
-import com.vaadin.flow.router.Route;
 import com.vaadin.flow.router.PageTitle;
-import com.example.application.views.main.MainView;
-import com.vaadin.flow.router.RouteAlias;
+import com.vaadin.flow.router.Route;
 
 @CssImport("./views/helloworld/hello-world-view.css")
 @Route(value = "hello", layout = MainView.class)

src/main/java/com/example/application/views/main/MainView.java

@@ -1,7 +1,5 @@
 package com.example.application.views.main;
 
-import java.util.Optional;
-
 import com.example.application.views.results.ResultsView;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.ComponentUtil;
@@ -10,28 +8,22 @@ import com.vaadin.flow.component.applayout.DrawerToggle;
 import com.vaadin.flow.component.avatar.Avatar;
 import com.vaadin.flow.component.dependency.CssImport;
 import com.vaadin.flow.component.dependency.JsModule;
-import com.vaadin.flow.component.html.Image;
 import com.vaadin.flow.component.html.H1;
+import com.vaadin.flow.component.html.Image;
 import com.vaadin.flow.component.orderedlayout.FlexComponent;
 import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
 import com.vaadin.flow.component.orderedlayout.VerticalLayout;
 import com.vaadin.flow.component.tabs.Tab;
 import com.vaadin.flow.component.tabs.Tabs;
 import com.vaadin.flow.component.tabs.TabsVariant;
+import com.vaadin.flow.router.PageTitle;
 import com.vaadin.flow.router.RouterLink;
 import com.vaadin.flow.server.PWA;
 import com.vaadin.flow.theme.Theme;
-import com.vaadin.flow.router.PageTitle;
-import com.example.application.views.helloworld.HelloWorldView;
-import com.example.application.views.about.AboutView;
-import com.example.application.views.cardlist.CardListView;
-import com.example.application.views.masterdetail.MasterDetailView;
-import com.example.application.views.personform.PersonFormView;
-import com.example.application.views.addressform.AddressFormView;
-import com.example.application.views.creditcardform.CreditCardFormView;
-import com.example.application.views.map.MapView;
 import com.vaadin.flow.theme.lumo.Lumo;
 
+import java.util.Optional;
+
 /**
  * The main view is a top-level placeholder for other views.
  */

src/main/java/com/example/application/views/map/MapView.java

@@ -1,11 +1,10 @@
 package com.example.application.views.map;
 
-import com.vaadin.flow.component.dependency.CssImport;
-import com.vaadin.flow.component.orderedlayout.VerticalLayout;
 import com.example.application.components.leafletmap.LeafletMap;
-import com.vaadin.flow.router.Route;
-import com.vaadin.flow.router.PageTitle;
 import com.example.application.views.main.MainView;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.router.PageTitle;
+import com.vaadin.flow.router.Route;
 
 @Route(value = "map", layout = MainView.class)
 @PageTitle("Map")

src/main/java/com/example/application/views/masterdetail/MasterDetailView.java

@@ -1,13 +1,14 @@
 package com.example.application.views.masterdetail;
 
-import java.util.Optional;
-
 import com.example.application.data.entity.SamplePerson;
 import com.example.application.data.service.SamplePersonService;
+import com.example.application.views.main.MainView;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.HasStyle;
 import com.vaadin.flow.component.button.Button;
 import com.vaadin.flow.component.button.ButtonVariant;
+import com.vaadin.flow.component.checkbox.Checkbox;
+import com.vaadin.flow.component.datepicker.DatePicker;
 import com.vaadin.flow.component.dependency.CssImport;
 import com.vaadin.flow.component.formlayout.FormLayout;
 import com.vaadin.flow.component.grid.Grid;
@@ -16,18 +17,16 @@ import com.vaadin.flow.component.html.Div;
 import com.vaadin.flow.component.notification.Notification;
 import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
 import com.vaadin.flow.component.splitlayout.SplitLayout;
+import com.vaadin.flow.component.textfield.TextField;
 import com.vaadin.flow.data.binder.BeanValidationBinder;
 import com.vaadin.flow.data.binder.ValidationException;
-
+import com.vaadin.flow.data.renderer.TemplateRenderer;
+import com.vaadin.flow.router.PageTitle;
+import com.vaadin.flow.router.Route;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.artur.helpers.CrudServiceDataProvider;
-import com.vaadin.flow.router.Route;
-import com.vaadin.flow.router.PageTitle;
-import com.example.application.views.main.MainView;
-import com.vaadin.flow.data.renderer.TemplateRenderer;
-import com.vaadin.flow.component.checkbox.Checkbox;
-import com.vaadin.flow.component.datepicker.DatePicker;
-import com.vaadin.flow.component.textfield.TextField;
+
+import java.util.Optional;
 
 @CssImport("./views/masterdetail/master-detail-view.css")
 @Route(value = "master-detail", layout = MainView.class)

src/main/java/com/example/application/views/personform/PersonFormView.java

@@ -2,6 +2,7 @@ package com.example.application.views.personform;
 
 import com.example.application.data.entity.SamplePerson;
 import com.example.application.data.service.SamplePersonService;
+import com.example.application.views.main.MainView;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.button.Button;
 import com.vaadin.flow.component.button.ButtonVariant;
@@ -17,11 +18,8 @@ import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
 import com.vaadin.flow.component.textfield.EmailField;
 import com.vaadin.flow.component.textfield.TextField;
 import com.vaadin.flow.data.binder.Binder;
-import com.vaadin.flow.router.Route;
 import com.vaadin.flow.router.PageTitle;
-import com.example.application.views.main.MainView;
-import com.vaadin.flow.data.renderer.TemplateRenderer;
-import com.vaadin.flow.component.checkbox.Checkbox;
+import com.vaadin.flow.router.Route;
 
 @CssImport("./views/personform/person-form-view.css")
 @Route(value = "person-form", layout = MainView.class)
@@ -38,7 +36,7 @@ public class PersonFormView extends Div {
     private Button cancel = new Button("Cancel");
     private Button save = new Button("Save");
 
-    private Binder<SamplePerson> binder = new Binder(SamplePerson.class);
+    private Binder<SamplePerson> binder = new Binder<>(SamplePerson.class);
 
     public PersonFormView(SamplePersonService personService) {
         addClassName("person-form-view");
@@ -104,8 +102,7 @@ public class PersonFormView extends Div {
         @Override
         protected String generateModelValue() {
             if (countryCode.getValue() != null && number.getValue() != null) {
-                String s = countryCode.getValue() + " " + number.getValue();
-                return s;
+                return countryCode.getValue() + " " + number.getValue();
             }
             return "";
         }