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Anastasia Yazykova 2024-06-11 04:56:10 +04:00
commit da6a8237a8
1 changed files with 43 additions and 53 deletions
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92
TrolleybusProject/TrolleybusProject/CollectionGenericObjects/StorageCollection.cs
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@ -1,5 +1,4 @@
using ProjectTrolleybus.Exceptions;
using System;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
@ -16,12 +15,12 @@ public class StorageCollection<T>
/// <summary>
/// Словарь (хранилище) с коллекциями
/// </summary>
readonly Dictionary<CollectionInfo, ICollectionGenericObjects<T>> _storages;
readonly Dictionary<string, ICollectionGenericObjects<T>> _storages;
/// <summary>
/// Возвращение списка названий коллекций
/// </summary>
public List<CollectionInfo> Keys => _storages.Keys.ToList();
public List<string> Keys => _storages.Keys.ToList();
/// <summary>
/// Ключевое слово, с которого должен начинаться файл
@ -43,7 +42,7 @@ public class StorageCollection<T>
///
public StorageCollection()
{
_storages = new Dictionary<CollectionInfo, ICollectionGenericObjects<T>>();
_storages = new Dictionary<string, ICollectionGenericObjects<T>>();
}
/// <summary>
/// Добавление коллекции в хранилище
@ -52,36 +51,29 @@ public class StorageCollection<T>
/// <param name="collectionType">тип коллекции</param>
public void AddCollection(string name, CollectionType collectionType)
{
CollectionInfo collectionInfo = new(name, collectionType, string.Empty);
if (name == null || _storages.ContainsKey(collectionInfo))
return;
switch (collectionType)
if (_storages.ContainsKey(name) && name == "")
{
case CollectionType.None:
return;
case CollectionType.Massive:
_storages[collectionInfo] = new MassiveGenericObjects<T>();
return;
case CollectionType.List:
_storages[collectionInfo] = new ListGenericObjects<T>();
return;
default:
break;
}
if (collectionType == CollectionType.Massive)
{
_storages[name] = new MassiveGenericObjects<T>();
}
else
{
_storages[name] = new ListGenericObjects<T>();
}
}
/// <summary>
/// Удаление коллекции
/// </summary>
/// <param name="name">Название коллекции</param>
public void DelCollection(string name)
{
CollectionInfo collectionInfo = new CollectionInfo(name, CollectionType.None, string.Empty);
if (_storages.ContainsKey(collectionInfo))
{
_storages.Remove(collectionInfo);
}
}
_storages.Remove(name);
}
/// <summary>
/// Доступ к коллекции
/// </summary>
@ -91,13 +83,12 @@ public class StorageCollection<T>
{
get
{
CollectionInfo collectionInfo = new CollectionInfo(name, CollectionType.None, string.Empty);
if (_storages.ContainsKey(collectionInfo))
if (name == "")
{
return _storages[collectionInfo];
}
return null;
}
return _storages[name];
}
}
public void SaveData(string filename)
@ -111,13 +102,10 @@ public class StorageCollection<T>
{
File.Delete(filename);
}
using (StreamWriter writer = new(filename))
{
writer.Write(_collectionKey);
foreach (KeyValuePair<CollectionInfo, ICollectionGenericObjects<T>> value in _storages)
foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
{
writer.Write(Environment.NewLine);
// не сохраняем пустые коллекции
@ -153,38 +141,38 @@ public class StorageCollection<T>
{
throw new FileNotFoundException("Файл не существует!");
}
using (StreamReader sr = new(filename))
using (StreamReader reader = new(filename))
{
string? line = sr.ReadLine();
string line = reader.ReadLine();
if (line == null || line.Length == 0)
{
throw new ArgumentException("В файле нет данных");
}
if (line != _collectionKey)
if (!line.Equals(_collectionKey))
{
throw new InvalidDataException("В файле неверные данные");
}
_storages.Clear();
while ((line = sr.ReadLine()) != null)
while ((line = reader.ReadLine()) != null)
{
string[] record = line.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
if (record.Length != 3)
string[] record = line.Split(_separatorForKeyValue,
StringSplitOptions.RemoveEmptyEntries);
if (record.Length != 4)
{
continue;
}
CollectionInfo? collectionInfo = CollectionInfo.GetCollectionInfo(record[0]) ?? throw new ArgumentNullException("Не удалось определить тип коллекции: " + record[0]);
ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionInfo.CollectionType) ?? throw new ArgumentNullException("Не удалось создать коллекцию");
collection.MaxCount = Convert.ToInt32(record[1]);
string[] set = record[2].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
CollectionType collectionType = (CollectionType)Enum.Parse(typeof(CollectionType), record[1]);
ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionType);
if (collection == null)
{
throw new InvalidCastException("Не удалось определить тип коллекции: " + record[1]);
}
collection.MaxCount = Convert.ToInt32(record[2]);
string[] set = record[3].Split(_separatorItems,
StringSplitOptions.RemoveEmptyEntries);
foreach (string elem in set)
{
if (elem?.CreateDrawningBus() is T bus)
if (elem?.CreateDrawningBus() is T bus )
{
try
{
@ -201,9 +189,10 @@ public class StorageCollection<T>
}
}
_storages.Add(collectionInfo, collection);
_storages.Add(record[0], collection);
}
}
}
/// <summary>
@ -211,7 +200,8 @@ public class StorageCollection<T>
/// </summary>
/// <param name="collectionType"></param>
/// <returns></returns>
private static ICollectionGenericObjects<T>?CreateCollection(CollectionType collectionType)
private static ICollectionGenericObjects<T>?
CreateCollection(CollectionType collectionType)
{
return collectionType switch
{