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C#: Easily manage exceptions
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| public class ExceptionManager | |
| { | |
| private readonly List<Exception> _thrownExceptions; | |
| private static ExceptionManager _instance; | |
| private ExceptionManager(int maxExceptions, Action onFinalException, Action<Exception> onExceptionThrown = null) | |
| { | |
| MaxExceptions = maxExceptions; | |
| CurrentExceptions = 0; | |
| OnExceptionThrown = onExceptionThrown; | |
| OnFinalException = onFinalException; | |
| _thrownExceptions = new List<Exception>(); | |
| } | |
| public static ExceptionManager Instance => _instance; | |
| public int MaxExceptions { get; set; } | |
| public int CurrentExceptions { get; private set; } | |
| public Action<Exception> OnExceptionThrown { get; set; } | |
| public Action OnFinalException { get; set; } | |
| public IReadOnlyList<Exception> ThrownExceptions => _thrownExceptions; | |
| public static void Instantiate(int maxExceptions, Action onFinalException, Action<Exception> onExceptionThrown = null) | |
| { | |
| _instance = new ExceptionManager(maxExceptions, onFinalException, onExceptionThrown); | |
| } | |
| public void Reset() | |
| { | |
| CurrentExceptions = 0; | |
| _thrownExceptions.Clear(); | |
| } | |
| public void ExceptionThrown(Exception exception) | |
| { | |
| CurrentExceptions++; | |
| _thrownExceptions.Add(exception); | |
| OnExceptionThrown?.Invoke(exception); | |
| if (CurrentExceptions == MaxExceptions) | |
| { | |
| OnFinalException(); | |
| } | |
| } | |
| } |
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| public class Program | |
| { | |
| private static void Main(string[] args) | |
| { | |
| ExceptionManager.Instantiate(5, OnFinalException); | |
| ExceptionManager.Instance.OnExceptionThrown = ex => | |
| { | |
| Console.WriteLine("Exception was thrown: " + ex.Message); | |
| }; | |
| while (true) | |
| { | |
| try | |
| { | |
| Console.Write("Enter a number: "); | |
| var input = Console.ReadLine(); | |
| int.Parse(input); | |
| Console.WriteLine("Success!"); | |
| } | |
| catch (Exception ex) | |
| { | |
| ExceptionManager.Instance.ExceptionThrown(ex); | |
| } | |
| } | |
| } | |
| private static void OnFinalException() | |
| { | |
| Environment.Exit(0); | |
| } | |
| } |
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