| | | 1 | | using System.Text.Json; |
| | | 2 | | using System.Text.Json.Serialization; |
| | | 3 | | |
| | | 4 | | namespace Elsa.Diagnostics.ConsoleLogs.Contracts; |
| | | 5 | | |
| | | 6 | | /// <summary> |
| | | 7 | | /// Converts the public console stream filter contract values. |
| | | 8 | | /// </summary> |
| | | 9 | | public sealed class ConsoleStreamJsonConverter : JsonConverter<ConsoleStream?> |
| | | 10 | | { |
| | | 11 | | public override ConsoleStream? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) |
| | | 12 | | { |
| | 4 | 13 | | return reader.TokenType switch |
| | 4 | 14 | | { |
| | 0 | 15 | | JsonTokenType.Null => null, |
| | 4 | 16 | | JsonTokenType.String => ReadString(reader.GetString()), |
| | 0 | 17 | | JsonTokenType.Number => ReadNumber(ref reader), |
| | 0 | 18 | | _ => throw new JsonException("The console log stream filter must be 'stdout', 'stderr', or null.") |
| | 4 | 19 | | }; |
| | | 20 | | } |
| | | 21 | | |
| | | 22 | | public override void Write(Utf8JsonWriter writer, ConsoleStream? value, JsonSerializerOptions options) |
| | | 23 | | { |
| | 0 | 24 | | if (value == null) |
| | | 25 | | { |
| | 0 | 26 | | writer.WriteNullValue(); |
| | 0 | 27 | | return; |
| | | 28 | | } |
| | | 29 | | |
| | 0 | 30 | | writer.WriteStringValue(value.Value switch |
| | 0 | 31 | | { |
| | 0 | 32 | | ConsoleStream.Stdout => "stdout", |
| | 0 | 33 | | ConsoleStream.Stderr => "stderr", |
| | 0 | 34 | | _ => throw new JsonException($"Unsupported console stream value '{value}'.") |
| | 0 | 35 | | }); |
| | 0 | 36 | | } |
| | | 37 | | |
| | | 38 | | private static ConsoleStream? ReadString(string? value) |
| | | 39 | | { |
| | 4 | 40 | | return value?.Trim().ToLowerInvariant() switch |
| | 4 | 41 | | { |
| | 2 | 42 | | null or "" or "all" => null, |
| | 1 | 43 | | "stdout" => ConsoleStream.Stdout, |
| | 1 | 44 | | "stderr" => ConsoleStream.Stderr, |
| | 0 | 45 | | _ => throw new JsonException("The console log stream filter must be 'stdout', 'stderr', or null.") |
| | 4 | 46 | | }; |
| | | 47 | | } |
| | | 48 | | |
| | | 49 | | private static ConsoleStream ReadNumber(ref Utf8JsonReader reader) |
| | | 50 | | { |
| | 0 | 51 | | if (!reader.TryGetInt32(out var value) || !Enum.IsDefined(typeof(ConsoleStream), value)) |
| | 0 | 52 | | throw new JsonException("The console log stream filter has an unsupported numeric value."); |
| | | 53 | | |
| | 0 | 54 | | return (ConsoleStream)value; |
| | | 55 | | } |
| | | 56 | | } |