DNN学习笔记-代码学习：ExceptionLogController

using System;

using WebApplication1.Exceptions;

namespace WebApplication1
{
 /// <summary>
 /// 设置Log的信息并且把它存储到LoggingProvider对象中。
 /// 是不适在Error筛选器中，选拔Log存储起来，而不对其进行处理？
 /// </summary>
 public class ExceptionLogController : LogController
 {
  /// <summary>
  /// 异常类型。
  /// </summary>
  public enum ExceptionLogType
  {
   GENERAL_EXCEPTION,
   MODULE_LOAD_EXCEPTION,
   PAGE_LOAD_EXCEPTION,
   SCHEDULER_EXCEPTION
  }
  public ExceptionLogController()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }

  /// <summary>
  /// 设置Log信息。
  /// </summary>
  /// <param name="objException"></param>
  public void AddLog(Exception objException)
  {
   AddLog(objException, ExceptionLogType.GENERAL_EXCEPTION);
  }

  /// <summary>
  /// 根据Log类型,设置Log信息。
  /// </summary>
  /// <param name="objBasePortalException"></param>
  public void AddLog(BasePortalException objBasePortalException)
  {
   switch (objBasePortalException.GetType().Name)
   {
    case "ModuleLoadException":
     AddLog(objBasePortalException, ExceptionLogType.MODULE_LOAD_EXCEPTION);
     break;
    case "PageLoadException":
     AddLog(objBasePortalException, ExceptionLogType.PAGE_LOAD_EXCEPTION);
     break;
    case "SchedulerException":
     AddLog(objBasePortalException, ExceptionLogType.SCHEDULER_EXCEPTION);
     break;
    default:
     AddLog(objBasePortalException, ExceptionLogType.GENERAL_EXCEPTION);
     break;
   }
  }

  /// <summary>
  /// 设置Log信息,并保存到LoggingProvider中
  /// </summary>
  /// <param name="objException"></param>
  /// <param name="LogType"></param>
  public void AddLog(Exception objException, ExceptionLogType LogType)
  {
   // 本类继承自LogController，为什么还需要创建一个LogController对象。
   // 即使不声明LogController对象，照样可以调用AddLog方法啊？
   LogController objLogController = new LogController();
   LogInfo objLogInfo = new LogInfo();
   objLogInfo.LogTypeKey = LogType.ToString();

   // 向LogInfo对象的LogProperties中添加LogDetailInfo对象。在这里就是通过LogProperties扩展LogInfo的例子
   if (LogType == ExceptionLogType.MODULE_LOAD_EXCEPTION)
   {
    ModuleLoadException objModuleLoadException = ( ModuleLoadException)objException;
    objLogInfo.LogProperties.Add(new LogDetailInfo("ModuleId", objModuleLoadException.ModuleId.ToString()));
    objLogInfo.LogProperties.Add(new LogDetailInfo("ModuleDefId", objModuleLoadException.ModuleDefId.ToString()));
    objLogInfo.LogProperties.Add(new LogDetailInfo("FriendlyName", objModuleLoadException.FriendlyName));
    objLogInfo.LogProperties.Add(new LogDetailInfo("ModuleControlSource", objModuleLoadException.ModuleControlSource));
   }

   BasePortalException objBasePortalException = new BasePortalException(objException.ToString(), objException);
   objLogInfo.LogProperties.Add(new LogDetailInfo("AssemblyVersion", objBasePortalException.AssemblyVersion));
   objLogInfo.LogProperties.Add(new LogDetailInfo("Method", objBasePortalException.Method));
   objLogInfo.LogProperties.Add(new LogDetailInfo("FileName", objBasePortalException.FileName));
   objLogInfo.LogProperties.Add(new LogDetailInfo("FileLineNumber", objBasePortalException.FileLineNumber.ToString()));
   objLogInfo.LogProperties.Add(new LogDetailInfo("FileColumnNumber", objBasePortalException.FileColumnNumber.ToString()));
    objLogInfo.LogProperties.Add(new LogDetailInfo("PortalID", objBasePortalException.PortalID.ToString()));
   objLogInfo.LogProperties.Add(new LogDetailInfo("PortalName", objBasePortalException.PortalName));
   objLogInfo.LogProperties.Add(new LogDetailInfo("UserID", objBasePortalException.UserID.ToString()));
   objLogInfo.LogProperties.Add(new LogDetailInfo("UserName", objBasePortalException.UserName));
   objLogInfo.LogProperties.Add(new LogDetailInfo("ActiveTabID", objBasePortalException.ActiveTabID.ToString()));
   objLogInfo.LogProperties.Add(new LogDetailInfo("ActiveTabName", objBasePortalException.ActiveTabName));
   objLogInfo.LogProperties.Add(new LogDetailInfo("AbsoluteURL", objBasePortalException.AbsoluteURL));
   objLogInfo.LogProperties.Add(new LogDetailInfo("AbsoluteURLReferrer", objBasePortalException.AbsoluteURLReferrer));
   objLogInfo.LogProperties.Add(new LogDetailInfo("ExceptionGUID", objBasePortalException.ExceptionGUID));
   objLogInfo.LogProperties.Add(new LogDetailInfo("DefaultDataProvider", objBasePortalException.DefaultDataProvider));
   objLogInfo.LogProperties.Add(new LogDetailInfo("InnerException", objBasePortalException.InnerException.Message));
   objLogInfo.LogProperties.Add(new LogDetailInfo("Message", objBasePortalException.Message));
   objLogInfo.LogProperties.Add(new LogDetailInfo("StackTrace", objBasePortalException.StackTrace));
   objLogInfo.LogProperties.Add(new LogDetailInfo("Source", objBasePortalException.Source));

   objLogInfo.LogPortalID = objBasePortalException.PortalID;

   // 将Log对象存储到（LogController确定的）LoggingProvider对象中
   objLogController.AddLog(objLogInfo);
  }
 }
}