From b614557ff84a7e893c2e4d1a21add56b653968db Mon Sep 17 00:00:00 2001 From: ivans Date: Tue, 21 May 2024 22:03:41 +0400 Subject: [PATCH] =?UTF-8?q?=D0=9F=D0=BE=D0=B4=D0=B5=D0=BB=D0=B0=D0=BB=20?= =?UTF-8?q?=D0=BB=D0=B0=D0=B107?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../AbstractCompany.cs | 10 +- .../ListGenericObjects.cs | 16 +- .../MassiveGenericObjects.cs | 26 ++- .../CollectionGenericObjects/PlanePark.cs | 16 +- .../StorageCollection.cs | 31 ++-- .../Exceptions/CollectionOverflowException.cs | 25 +++ .../Exceptions/ObjectNotFoundException.cs | 25 +++ .../PositionOutOfCollectionException.cs | 25 +++ .../ProjectSeaplane/FormPlaneCollection.cs | 151 ++++++++++++------ ProjectSeaplane/ProjectSeaplane/Program.cs | 32 +++- .../ProjectSeaplane/ProjectSeaplane.csproj | 17 ++ ProjectSeaplane/ProjectSeaplane/serilog.json | 15 ++ 12 files changed, 299 insertions(+), 90 deletions(-) create mode 100644 ProjectSeaplane/ProjectSeaplane/Exceptions/CollectionOverflowException.cs create mode 100644 ProjectSeaplane/ProjectSeaplane/Exceptions/ObjectNotFoundException.cs create mode 100644 ProjectSeaplane/ProjectSeaplane/Exceptions/PositionOutOfCollectionException.cs create mode 100644 ProjectSeaplane/ProjectSeaplane/serilog.json diff --git a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/AbstractCompany.cs b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/AbstractCompany.cs index c90a7a3..8bff690 100644 --- a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/AbstractCompany.cs +++ b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/AbstractCompany.cs @@ -34,7 +34,7 @@ public abstract class AbstractCompany /// /// Вычисление максимального количества элементов, который можно разместить в окне /// - private int GetMaxCount => _pictureWidth * _pictureHeight / (_placeSizeWidth * _placeSizeHeight); + private int GetMaxCount => (_pictureWidth * _pictureHeight / (_placeSizeWidth * _placeSizeHeight)) - 13; /// /// Конструктор @@ -95,8 +95,12 @@ public abstract class AbstractCompany SetObjectsPosition(); for (int i = 0; i < (_collection?.Count ?? 0); ++i) { - DrawingBasicSeaplane? obj = _collection?.Get(i); - obj?.DrawTransport(graphics); + + try { + DrawingBasicSeaplane? obj = _collection?.Get(i); + obj?.DrawTransport(graphics); + } + catch (Exception) { } } return bitmap; diff --git a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/ListGenericObjects.cs b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/ListGenericObjects.cs index 38697ae..6af2a20 100644 --- a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/ListGenericObjects.cs +++ b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/ListGenericObjects.cs @@ -1,4 +1,8 @@ -namespace ProjectSeaplane.CollectionGenericObjects; + +using ProjectSeaplane.Exceptions; + + +namespace ProjectSeaplane.CollectionGenericObjects; public class ListGenericObjects : ICollectionGenericObjects where T : class @@ -38,14 +42,14 @@ public class ListGenericObjects : ICollectionGenericObjects public T? Get(int position) { // TODO проверка позиции - if (position >= Count || position < 0) return null; + if (position >= Count || position < 0) throw new PositionOutOfCollectionException(position); return _collection[position]; } public int Insert(T obj) { // TODO проверка, что не превышено максимальное количество элементов // TODO вставка в конец набора - if (Count == _maxCount) return -1; + if (Count == _maxCount) throw new CollectionOverflowException(Count); _collection.Add(obj); return Count; } @@ -54,8 +58,8 @@ public class ListGenericObjects : ICollectionGenericObjects // TODO проверка, что не превышено максимальное количество элементов // TODO проверка позиции // TODO вставка по позиции - if (Count == _maxCount) return -1; - if (position >= Count || position < 0) return -1; + if (Count == _maxCount) throw new CollectionOverflowException(Count); + if (position >= Count || position < 0) throw new PositionOutOfCollectionException(position); _collection.Insert(position, obj); return position; } @@ -63,7 +67,7 @@ public class ListGenericObjects : ICollectionGenericObjects { // TODO проверка позиции // TODO удаление объекта из списка - if (position >= Count || position < 0) return null; + if (position >= Count || position < 0) throw new PositionOutOfCollectionException(position); T obj = _collection[position]; _collection.RemoveAt(position); return obj; diff --git a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/MassiveGenericObjects.cs b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/MassiveGenericObjects.cs index ab8d45b..a4d3455 100644 --- a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/MassiveGenericObjects.cs +++ b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/MassiveGenericObjects.cs @@ -1,4 +1,7 @@ -namespace ProjectSeaplane.CollectionGenericObjects; + +using ProjectSeaplane.Exceptions; + +namespace ProjectSeaplane.CollectionGenericObjects; /// /// Параметризованный набор объектов @@ -48,11 +51,8 @@ public class MassiveGenericObjects : ICollectionGenericObjects public T? Get(int position) { - // TODO проверка позиции - if (position >= _collection.Length || position < 0) - { - return null; - } + if (position >= _collection.Length || position < 0) throw new PositionOutOfCollectionException(position); + if (_collection[position] == null) throw new ObjectNotFoundException(position); return _collection[position]; } @@ -70,7 +70,7 @@ public class MassiveGenericObjects : ICollectionGenericObjects index++; } - return -1; + throw new CollectionOverflowException(Count); } public int Insert(T obj, int position) @@ -81,8 +81,8 @@ public class MassiveGenericObjects : ICollectionGenericObjects // если нет после, ищем до // TODO вставка if (position >= _collection.Length || position < 0) - { - return -1; + { + throw new PositionOutOfCollectionException(position); } if (_collection[position] == null) @@ -109,17 +109,15 @@ public class MassiveGenericObjects : ICollectionGenericObjects return position; } } - return -1; + throw new CollectionOverflowException(Count); } public T Remove(int position) { // TODO проверка позиции // TODO удаление объекта из массива, присвоив элементу массива значение null - if (position >= _collection.Length || position < 0) - { - return null; - } + if (position >= _collection.Length || position < 0) throw new PositionOutOfCollectionException(position); + if (_collection[position] == null) throw new ObjectNotFoundException(position); T obj = _collection[position]; _collection[position] = null; return obj; diff --git a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/PlanePark.cs b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/PlanePark.cs index 28dcb2d..b1f9865 100644 --- a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/PlanePark.cs +++ b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/PlanePark.cs @@ -1,4 +1,5 @@ using ProjectSeaplane.Drawnings; +using ProjectSeaplane.Exceptions; using System; using System.Collections.Generic; using System.Linq; @@ -49,11 +50,18 @@ public class PlanePark : AbstractCompany } for (int x = _pictureWidth - 200; x - 120 > 0; x -= _placeSizeHeight + 75) { - _collection?.Get(count)?.SetPictureSize(_pictureWidth, _pictureHeight); - _collection?.Get(count)?.SetPosition(x, y); - count++; - + if (count < _collection?.Count) + { + try + { + _collection?.Get(count)?.SetPictureSize(_pictureWidth, _pictureHeight); + _collection?.Get(count)?.SetPosition(x, y); + count++; + } + catch (ObjectNotFoundException) { } + } } + } } } diff --git a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/StorageCollection.cs b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/StorageCollection.cs index 222b935..d8c7c1c 100644 --- a/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/StorageCollection.cs +++ b/ProjectSeaplane/ProjectSeaplane/CollectionGenericObjects/StorageCollection.cs @@ -1,4 +1,5 @@ using ProjectSeaplane.Drawnings; +using ProjectSeaplane.Exceptions; using System.Text; namespace ProjectSeaplane.CollectionGenericObjects; @@ -92,11 +93,11 @@ public class StorageCollection /// Путь и имя файла /// true - сохранение прошло успешно, false - ошибка при ///сохранении данных - public bool SaveData(string filename) + public void SaveData(string filename) { if (_storages.Count == 0) { - return false; + throw new Exception("В хранилище отсутствуют коллекции для сохранения"); } if (File.Exists(filename)) { @@ -134,29 +135,29 @@ public class StorageCollection } } - return true; + } /// /// Загрузка информации по автомобилям в хранилище из файла /// /// Путь и имя файла/// true - загрузка прошла успешно, false - ошибка при загрузке ///данных - public bool LoadData(string filename) + public void LoadData(string filename) { if (!File.Exists(filename)) { - return false; + throw new Exception("Файл не существует"); } using (StreamReader fs = File.OpenText(filename)) { string str = fs.ReadLine(); if (str == null || str.Length == 0) { - return false; + throw new Exception("В файле нет данных"); } if (!str.StartsWith(_collectionKey)) { - return false; + throw new Exception("В файле неверные данные"); } _storages.Clear(); string strs = ""; @@ -172,7 +173,7 @@ public class StorageCollection ICollectionGenericObjects? collection = StorageCollection.CreateCollection(collectionType); if (collection == null) { - return false; + throw new Exception("Не удалось создать коллекцию"); } collection.MaxCount = Convert.ToInt32(record[2]); string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries); @@ -180,15 +181,21 @@ public class StorageCollection { if (elem?.CreateDrawningBasicSeaplane() is T seaplane) { - if (collection.Insert(seaplane) == -1) - { - return false; + try + { + if (collection.Insert(seaplane) == -1) + { + throw new Exception("Объект не удалось добавить в коллекцию: " + record[3]); + } + } catch (CollectionOverflowException ex) + { + throw new Exception("Коллекция переполнена", ex); } } } _storages.Add(record[0], collection); } - return true; + } } /// diff --git a/ProjectSeaplane/ProjectSeaplane/Exceptions/CollectionOverflowException.cs b/ProjectSeaplane/ProjectSeaplane/Exceptions/CollectionOverflowException.cs new file mode 100644 index 0000000..d0b5b66 --- /dev/null +++ b/ProjectSeaplane/ProjectSeaplane/Exceptions/CollectionOverflowException.cs @@ -0,0 +1,25 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; +using System.Runtime.Serialization; + +namespace ProjectSeaplane.Exceptions; + +/// +/// Класс, описывающий ошибку переполнения коллекции +/// +[Serializable] +internal class CollectionOverflowException : ApplicationException +{ + public CollectionOverflowException(int count) : base("В коллекции превышено допустимое количество: " + count) { } + + public CollectionOverflowException() : base() { } + + public CollectionOverflowException(string message) : base(message) { } + + public CollectionOverflowException(string message, Exception exception) : base(message, exception) { } + + protected CollectionOverflowException(SerializationInfo info, StreamingContext contex) : base(info, contex) { } +} \ No newline at end of file diff --git a/ProjectSeaplane/ProjectSeaplane/Exceptions/ObjectNotFoundException.cs b/ProjectSeaplane/ProjectSeaplane/Exceptions/ObjectNotFoundException.cs new file mode 100644 index 0000000..49dae67 --- /dev/null +++ b/ProjectSeaplane/ProjectSeaplane/Exceptions/ObjectNotFoundException.cs @@ -0,0 +1,25 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; +using System.Runtime.Serialization; + +namespace ProjectSeaplane.Exceptions; + +/// +/// Класс, описывающий ошибку, что по указанной позиции нет элемента +/// +[Serializable] +internal class ObjectNotFoundException : ApplicationException +{ + public ObjectNotFoundException(int i) : base("Не найден объект по позиции " + i) { } + + public ObjectNotFoundException() : base() { } + + public ObjectNotFoundException(string message) : base(message) { } + + public ObjectNotFoundException(string message, Exception exception) : base(message, exception) { } + + protected ObjectNotFoundException(SerializationInfo info, StreamingContext contex) : base(info, contex) { } +} \ No newline at end of file diff --git a/ProjectSeaplane/ProjectSeaplane/Exceptions/PositionOutOfCollectionException.cs b/ProjectSeaplane/ProjectSeaplane/Exceptions/PositionOutOfCollectionException.cs new file mode 100644 index 0000000..9f651e3 --- /dev/null +++ b/ProjectSeaplane/ProjectSeaplane/Exceptions/PositionOutOfCollectionException.cs @@ -0,0 +1,25 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Runtime.Serialization; +using System.Text; +using System.Threading.Tasks; + +namespace ProjectSeaplane.Exceptions; + +/// +/// Класс, описывающий ошибку выхода за границы коллекции +/// +[Serializable] +internal class PositionOutOfCollectionException : ApplicationException +{ + public PositionOutOfCollectionException(int i) : base("Выход за границы коллекции. Позиция " + i) { } + + public PositionOutOfCollectionException() : base() { } + + public PositionOutOfCollectionException(string message) : base(message) { } + + public PositionOutOfCollectionException(string message, Exception exception) : base(message, exception) { } + + protected PositionOutOfCollectionException(SerializationInfo info, StreamingContext contex) : base(info, contex) { } +} \ No newline at end of file diff --git a/ProjectSeaplane/ProjectSeaplane/FormPlaneCollection.cs b/ProjectSeaplane/ProjectSeaplane/FormPlaneCollection.cs index 73775e0..41035ed 100644 --- a/ProjectSeaplane/ProjectSeaplane/FormPlaneCollection.cs +++ b/ProjectSeaplane/ProjectSeaplane/FormPlaneCollection.cs @@ -1,5 +1,8 @@ -using ProjectSeaplane.CollectionGenericObjects; + +using Microsoft.Extensions.Logging; +using ProjectSeaplane.CollectionGenericObjects; using ProjectSeaplane.Drawnings; +using ProjectSeaplane.Exceptions; using System.Windows.Forms; namespace ProjectSeaplane; @@ -19,13 +22,16 @@ public partial class FormPlaneCollection : Form /// AbstractCompany? _company = null; + private readonly ILogger _logger; /// /// Конструктор /// - public FormPlaneCollection() + public FormPlaneCollection(ILogger logger) { InitializeComponent(); _storageCollection = new(); + _logger = logger; + _logger.LogInformation("Форма загрузилась"); } /// @@ -56,19 +62,30 @@ public partial class FormPlaneCollection : Form /// private void SetPlane(DrawingBasicSeaplane plane) { - if (_company == null || plane == null) + try { - return; - } + if (_company == null || plane == null) + { + return; + } - if (_company + plane != -1) - { - MessageBox.Show("Объект добавлен"); - pictureBox.Image = _company.Show(); + if (_company + plane != -1) + { + MessageBox.Show("Объект добавлен"); + pictureBox.Image = _company.Show(); + _logger.LogInformation("Добавлен объект: " + plane.GetDataForSave()); + } } - else + catch (ObjectNotFoundException) { } + catch (CollectionOverflowException ex) { MessageBox.Show("Не удалось добавить объект"); + _logger.LogError("Ошибка: {Message}", ex.Message); + } + catch (PositionOutOfCollectionException ex) + { + MessageBox.Show("Выход за границы коллекции"); + _logger.LogError("Ошибка: {Message}", ex.Message); } } @@ -91,14 +108,19 @@ public partial class FormPlaneCollection : Form } int pos = Convert.ToInt32(maskedTextBox.Text); - if (_company - pos != null) + try { - MessageBox.Show("Объект удален"); - pictureBox.Image = _company.Show(); + if (_company - pos != null) + { + MessageBox.Show("Объект удален"); + pictureBox.Image = _company.Show(); + _logger.LogInformation("Удален объект по позиции " + pos); + } } - else + catch (Exception ex) { MessageBox.Show("Не удалось удалить объект"); + _logger.LogError("Ошибка: {Message}", ex.Message); } } @@ -116,26 +138,34 @@ public partial class FormPlaneCollection : Form DrawingBasicSeaplane? seaplane = null; int counter = 100; - while (seaplane == null) + + try { - seaplane = _company.GetRandomObject(); - counter--; - if (counter <= 0) + while (seaplane == null) { - break; + seaplane = _company.GetRandomObject(); + counter--; + if (counter <= 0) + { + break; + } } - } - if (seaplane == null) - { - return; - } + if (seaplane == null) + { + return; + } - FormSeaplane form = new() + FormSeaplane form = new() + { + SetSeaplane = seaplane + }; + form.ShowDialog(); + } + catch (Exception ex) { - SetSeaplane = seaplane - }; - form.ShowDialog(); + MessageBox.Show(ex.Message, "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error); + } } /// @@ -168,17 +198,27 @@ public partial class FormPlaneCollection : Form MessageBoxButtons.OK, MessageBoxIcon.Error); return; } - CollectionType collectionType = CollectionType.None; - if (radioButtonMassive.Checked) + try { - collectionType = CollectionType.Massive; + + + CollectionType collectionType = CollectionType.None; + if (radioButtonMassive.Checked) + { + collectionType = CollectionType.Massive; + } + else if (radioButtonList.Checked) + { + collectionType = CollectionType.List; + } + _storageCollection.AddCollection(textBoxCollectionName.Text, collectionType); + RerfreshListBoxItems(); + _logger.LogInformation("Коллекция добавлена " + textBoxCollectionName.Text); } - else if (radioButtonList.Checked) + catch (Exception ex) { - collectionType = CollectionType.List; + _logger.LogError("Ошибка: {Message}", ex.Message); } - _storageCollection.AddCollection(textBoxCollectionName.Text, collectionType); - RerfreshListBoxItems(); } /// /// Обновление списка в ListboxCollection @@ -208,12 +248,20 @@ public partial class FormPlaneCollection : Form MessageBox.Show("Коллекция не выбрана"); return; } - if (MessageBox.Show("Удалить коллекцию?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No) + try { - return; + if (MessageBox.Show("Удалить коллекцию?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No) + { + return; + } + _storageCollection.DelCollection(listBoxCollection.SelectedItem.ToString()); + RerfreshListBoxItems(); + _logger.LogInformation("Коллекция: " + listBoxCollection.SelectedItem.ToString() + " удалена"); + } + catch (Exception ex) + { + _logger.LogError("Ошибка: {Message}", ex.Message); } - _storageCollection.DelCollection(listBoxCollection.SelectedItem.ToString()); - RerfreshListBoxItems(); } /// /// создание компании @@ -254,15 +302,18 @@ public partial class FormPlaneCollection : Form { if (saveFileDialog.ShowDialog() == DialogResult.OK) { - if (_storageCollection.SaveData(saveFileDialog.FileName)) + try { + _storageCollection.SaveData(saveFileDialog.FileName); MessageBox.Show("Сохранение прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information); + _logger.LogInformation("Сохранение в файл: {filename}", saveFileDialog.FileName); } - else + + catch (Exception ex) { - MessageBox.Show("Не сохранилось", "Результат", - MessageBoxButtons.OK, MessageBoxIcon.Error); + MessageBox.Show(ex.Message, "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error); + _logger.LogError("Ошибка: {Message}", ex.Message); } } } @@ -276,18 +327,20 @@ public partial class FormPlaneCollection : Form { if (openFileDialog.ShowDialog() == DialogResult.OK) { - if (_storageCollection.LoadData(openFileDialog.FileName)) + try { - MessageBox.Show("Загрузка прошла успешно", - "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information); + _storageCollection.LoadData(openFileDialog.FileName); + MessageBox.Show("Загрузка прошла успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information); RerfreshListBoxItems(); + _logger.LogInformation("Загрузка из файла: {filename}", openFileDialog.FileName); } - else + catch (Exception ex) { - MessageBox.Show("Не загрузилось", "Результат", - MessageBoxButtons.OK, MessageBoxIcon.Error); + MessageBox.Show($"Не загрузилось: {ex.Message}", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error); + _logger.LogError("Ошибка: {Message}", ex.Message); } } + } } diff --git a/ProjectSeaplane/ProjectSeaplane/Program.cs b/ProjectSeaplane/ProjectSeaplane/Program.cs index 0b08fb7..f462546 100644 --- a/ProjectSeaplane/ProjectSeaplane/Program.cs +++ b/ProjectSeaplane/ProjectSeaplane/Program.cs @@ -1,3 +1,8 @@ +using Microsoft.Extensions.DependencyInjection; +using Microsoft.Extensions.Logging; +using Serilog; +using Microsoft.Extensions.Configuration; + namespace ProjectSeaplane { internal static class Program @@ -11,7 +16,30 @@ namespace ProjectSeaplane // To customize application configuration such as set high DPI settings or default font, // see https://aka.ms/applicationconfiguration. ApplicationConfiguration.Initialize(); - Application.Run(new FormPlaneCollection()); + ServiceCollection services = new(); + ConfigureServices(services); + using ServiceProvider servicesProvider = services.BuildServiceProvider(); + Application.Run(servicesProvider.GetRequiredService()); + } + private static void ConfigureServices(ServiceCollection services) + { + string[] path = Directory.GetCurrentDirectory().Split('\\'); + string pathNeed = ""; + for (int i = 0; i < path.Length - 3; i++) + { + pathNeed += path[i] + "\\"; + } + services.AddSingleton() + .AddLogging(option => + { + option.SetMinimumLevel(LogLevel.Information); + option.AddSerilog(new LoggerConfiguration() + .ReadFrom.Configuration(new ConfigurationBuilder() + .AddJsonFile($"{pathNeed}serilog.json") + .Build()) + .CreateLogger()); + }); } } -} \ No newline at end of file +} + \ No newline at end of file diff --git a/ProjectSeaplane/ProjectSeaplane/ProjectSeaplane.csproj b/ProjectSeaplane/ProjectSeaplane/ProjectSeaplane.csproj index 244387d..831d98b 100644 --- a/ProjectSeaplane/ProjectSeaplane/ProjectSeaplane.csproj +++ b/ProjectSeaplane/ProjectSeaplane/ProjectSeaplane.csproj @@ -8,6 +8,17 @@ enable + + + + + + + + + + + True @@ -23,4 +34,10 @@ + + + Always + + + \ No newline at end of file diff --git a/ProjectSeaplane/ProjectSeaplane/serilog.json b/ProjectSeaplane/ProjectSeaplane/serilog.json new file mode 100644 index 0000000..21a6582 --- /dev/null +++ b/ProjectSeaplane/ProjectSeaplane/serilog.json @@ -0,0 +1,15 @@ +{ + "Serilog": { + "Using": [ "Serilog.Sinks.File" ], + "MinimumLevel": "Debug", + "WriteTo": [ + { + "Name": "File", + "Args": { "path": "log.log" } + } + ], + "Properties": { + "Application": "Sample" + } + } +} \ No newline at end of file