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using System;
using System.Globalization;
namespace TimelineApp.Services
{
[Serializable]
public class ImageException : Exception
{
public enum ErrorReason
{
/// <summary>
/// Decoding image failed.
/// </summary>
CantDecode,
/// <summary>
/// Decoding succeeded but the real type is not the specified type.
/// </summary>
UnmatchedFormat,
/// <summary>
/// Image is not a square.
/// </summary>
NotSquare
}
public ImageException() : base(MakeMessage(null)) { }
public ImageException(string message) : base(message) { }
public ImageException(string message, Exception inner) : base(message, inner) { }
public ImageException(ErrorReason error, byte[]? data = null, string? requestType = null, string? realType = null) : base(MakeMessage(error)) { Error = error; ImageData = data; RequestType = requestType; RealType = realType; }
public ImageException(Exception inner, ErrorReason error, byte[]? data = null, string? requestType = null, string? realType = null) : base(MakeMessage(error), inner) { Error = error; ImageData = data; RequestType = requestType; RealType = realType; }
protected ImageException(
System.Runtime.Serialization.SerializationInfo info,
System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
private static string MakeMessage(ErrorReason? reason) =>
string.Format(CultureInfo.InvariantCulture, Resources.Services.Exception.ImageException, reason switch
{
ErrorReason.CantDecode => Resources.Services.Exception.ImageExceptionCantDecode,
ErrorReason.UnmatchedFormat => Resources.Services.Exception.ImageExceptionUnmatchedFormat,
ErrorReason.NotSquare => Resources.Services.Exception.ImageExceptionBadSize,
_ => Resources.Services.Exception.ImageExceptionUnknownError
});
public ErrorReason? Error { get; }
#pragma warning disable CA1819 // Properties should not return arrays
public byte[]? ImageData { get; }
#pragma warning restore CA1819 // Properties should not return arrays
public string? RequestType { get; }
// This field will be null if decoding failed.
public string? RealType { get; }
}
}
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