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| 1 | +// Copyright 2019 Serilog Contributors |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +using Microsoft.Extensions.Logging; |
| 16 | +using Serilog.Events; |
| 17 | + |
| 18 | +// ReSharper disable RedundantCaseLabel |
| 19 | + |
| 20 | +namespace Serilog.Extensions.Logging |
| 21 | +{ |
| 22 | + /// <summary> |
| 23 | + /// Converts between Serilog and Microsoft.Extensions.Logging level enum values. |
| 24 | + /// </summary> |
| 25 | + public static class LevelConvert |
| 26 | + { |
| 27 | + /// <summary> |
| 28 | + /// Convert <paramref name="logLevel"/> to the equivalent Serilog <see cref="LogEventLevel"/>. |
| 29 | + /// </summary> |
| 30 | + /// <param name="logLevel">A Microsoft.Extensions.Logging <see cref="LogLevel"/>.</param> |
| 31 | + /// <returns>The Serilog equivalent of <paramref name="logLevel"/>.</returns> |
| 32 | + /// <remarks>The <see cref="LogLevel.None"/> value has no Serilog equivalent. It is mapped to |
| 33 | + /// <see cref="LogEventLevel.Fatal"/> as the closest approximation, but this has entirely |
| 34 | + /// different semantics.</remarks> |
| 35 | + public static LogEventLevel ToSerilogLevel(LogLevel logLevel) |
| 36 | + { |
| 37 | + switch (logLevel) |
| 38 | + { |
| 39 | + case LogLevel.None: |
| 40 | + case LogLevel.Critical: |
| 41 | + return LogEventLevel.Fatal; |
| 42 | + case LogLevel.Error: |
| 43 | + return LogEventLevel.Error; |
| 44 | + case LogLevel.Warning: |
| 45 | + return LogEventLevel.Warning; |
| 46 | + case LogLevel.Information: |
| 47 | + return LogEventLevel.Information; |
| 48 | + case LogLevel.Debug: |
| 49 | + return LogEventLevel.Debug; |
| 50 | + case LogLevel.Trace: |
| 51 | + default: |
| 52 | + return LogEventLevel.Verbose; |
| 53 | + } |
| 54 | + } |
| 55 | + |
| 56 | + /// <summary> |
| 57 | + /// Convert <paramref name="logEventLevel"/> to the equivalent Microsoft.Extensions.Logging <see cref="LogLevel"/>. |
| 58 | + /// </summary> |
| 59 | + /// <param name="logEventLevel">A Serilog <see cref="LogEventLevel"/>.</param> |
| 60 | + /// <returns>The Microsoft.Extensions.Logging equivalent of <paramref name="logEventLevel"/>.</returns> |
| 61 | + public static LogLevel ToExtensionsLevel(LogEventLevel logEventLevel) |
| 62 | + { |
| 63 | + switch (logEventLevel) |
| 64 | + { |
| 65 | + case LogEventLevel.Fatal: |
| 66 | + return LogLevel.Critical; |
| 67 | + case LogEventLevel.Error: |
| 68 | + return LogLevel.Error; |
| 69 | + case LogEventLevel.Warning: |
| 70 | + return LogLevel.Warning; |
| 71 | + case LogEventLevel.Information: |
| 72 | + return LogLevel.Information; |
| 73 | + case LogEventLevel.Debug: |
| 74 | + return LogLevel.Debug; |
| 75 | + case LogEventLevel.Verbose: |
| 76 | + default: |
| 77 | + return LogLevel.Trace; |
| 78 | + } |
| 79 | + } |
| 80 | + } |
| 81 | +} |
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