cyf
72 lines
1.8 KiB
C#
72 lines
1.8 KiB
C#
using log4net.Layout;
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using log4net.Layout.Pattern;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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namespace Lskj.Util
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{
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public class MyLayout : PatternLayout
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{
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public MyLayout()
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{
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this.AddConverter("property", typeof(MyPatternConverter));
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}
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}
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public class MyPatternConverter : PatternLayoutConverter
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{
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protected override void Convert(System.IO.TextWriter writer, log4net.Core.LoggingEvent loggingEvent)
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{
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if (Option != null)
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{
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WriteObject(writer, loggingEvent.Repository, LookupProperty(Option, loggingEvent));
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}
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else
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{
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// 写入所有关键值对
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WriteDictionary(writer, loggingEvent.Repository, loggingEvent.GetProperties());
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}
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}
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/// <summary>
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/// 通过反射获取传入的日志对象的某个属性的值
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/// </summary>
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/// <param name="property"></param>
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/// <param name="loggingEvent"></param>
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/// <returns></returns>
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private object LookupProperty(string property, log4net.Core.LoggingEvent loggingEvent)
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{
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object propertyValue = default(object);
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PropertyInfo propertyInfo = null;
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Type objtype = loggingEvent.MessageObject.GetType();
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propertyInfo = objtype.GetProperty(property);
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propertyValue = propertyInfo != null ? propertyInfo.GetValue(loggingEvent.MessageObject, null) : loggingEvent.LookupProperty(property);
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if (property == "msg" && objtype == typeof(String))
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{
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return loggingEvent.MessageObject;
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}
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return propertyValue ?? "";
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}
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}
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}
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