Serilog example for logging

This commit is contained in:
Phil Scott
2021-03-04 02:39:53 -05:00
committed by GitHub
parent 29e6e34f83
commit 1cd335e785
9 changed files with 306 additions and 0 deletions

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using Serilog.Events;
using Spectre.Console.Cli;
namespace Logging.Commands
{
public class LogCommandSettings : CommandSettings
{
[CommandOption("--logFile")]
[Description("Path and file name for logging")]
public string LogFile { get; set; }
[CommandOption("--logLevel")]
[Description("Minimum level for logging")]
[TypeConverter(typeof(VerbosityConverter))]
[DefaultValue(LogEventLevel.Information)]
public LogEventLevel LogLevel { get; set; }
}
public sealed class VerbosityConverter : TypeConverter
{
private readonly Dictionary<string, LogEventLevel> _lookup;
public VerbosityConverter()
{
_lookup = new Dictionary<string, LogEventLevel>(StringComparer.OrdinalIgnoreCase)
{
{"d", LogEventLevel.Debug},
{"v", LogEventLevel.Verbose},
{"i", LogEventLevel.Information},
{"w", LogEventLevel.Warning},
{"e", LogEventLevel.Error},
{"f", LogEventLevel.Fatal}
};
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string stringValue)
{
var result = _lookup.TryGetValue(stringValue, out var verbosity);
if (!result)
{
const string format = "The value '{0}' is not a valid verbosity.";
var message = string.Format(CultureInfo.InvariantCulture, format, value);
throw new InvalidOperationException(message);
}
return verbosity;
}
throw new NotSupportedException("Can't convert value to verbosity.");
}
}
}