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OutputProperties.cs
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OutputProperties.cs
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// Copyright 2013-2015 Serilog Contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
using System;
using System.Collections.Generic;
using System.Linq;
using Serilog.Events;
namespace Serilog.Formatting.Display
{
/// <summary>
/// Describes the properties available in standard message template-based
/// output format strings.
/// </summary>
public static class OutputProperties
{
/// <summary>
/// The message rendered from the log event.
/// </summary>
public const string MessagePropertyName = "Message";
/// <summary>
/// The timestamp of the log event.
/// </summary>
public const string TimestampPropertyName = "Timestamp";
/// <summary>
/// The level of the log event.
/// </summary>
public const string LevelPropertyName = "Level";
/// <summary>
/// A new line.
/// </summary>
public const string NewLinePropertyName = "NewLine";
/// <summary>
/// The exception associated with the log event.
/// </summary>
public const string ExceptionPropertyName = "Exception";
/// <summary>
/// The properties of the log event.
/// </summary>
public const string PropertiesPropertyName = "Properties";
/// <summary>
/// Create properties from the provided log event.
/// </summary>
/// <param name="logEvent">The log event.</param>
/// <returns>A dictionary with properties representing the log event.</returns>
public static IReadOnlyDictionary<string, LogEventPropertyValue> GetOutputProperties(LogEvent logEvent)
{
var result = logEvent.Properties.ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
// "Special" output properties like Message will override any properties with the same name
// when used in format strings; this doesn't affect the rendering of the message template,
// which uses only the log event properties.
result[MessagePropertyName] = new LogEventPropertyMessageValue(logEvent.MessageTemplate, logEvent.Properties);
result[TimestampPropertyName] = new ScalarValue(logEvent.Timestamp);
result[LevelPropertyName] = new LogEventLevelValue(logEvent.Level);
result[NewLinePropertyName] = new LiteralStringValue(Environment.NewLine);
result[PropertiesPropertyName] = new LogEventPropertiesValue(logEvent.MessageTemplate, logEvent.Properties);
var exception = logEvent.Exception == null ? "" : logEvent.Exception + Environment.NewLine;
result[ExceptionPropertyName] = new LiteralStringValue(exception);
return result;
}
}
}