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A simple Log for ULS

Here is a simple log which has been inspired of Android Log. It logs to ULS which you can open with ULSViewer, SharePoint Log Viewer.

using System;
using Microsoft.SharePoint.Administration;

namespace Contoso.Intranet.Portal.Utilities
{
    public class Log
    {
        private static readonly string _CATEGORYNAME = "CONTOSO";
        private static readonly SPDiagnosticsCategory _ERROR_CATEGORY = 
              new SPDiagnosticsCategory(_CATEGORYNAME, TraceSeverity.Unexpected, EventSeverity.Error);
        private static readonly SPDiagnosticsCategory _WARNING_CATEGORY = 
              new SPDiagnosticsCategory(_CATEGORYNAME, TraceSeverity.High, EventSeverity.Warning);
        private static readonly SPDiagnosticsCategory _VERBOSE_CATEGORY = 
              new SPDiagnosticsCategory(_CATEGORYNAME, TraceSeverity.Verbose, EventSeverity.Verbose);
        private static readonly SPDiagnosticsCategory _INFO_CATEGORY = 
              new SPDiagnosticsCategory(_CATEGORYNAME, TraceSeverity.Medium, EventSeverity.Information);

        private static void WriteTrace(SPDiagnosticsCategory category, string message, string trace)
        {
            SPDiagnosticsService.Local.WriteTrace(0, category, category.DefaultTraceSeverity, message, trace);
        }

        public static void Error(Exception ex)
        {
            WriteTrace(_ERROR_CATEGORY, ex.Message, ex.StackTrace);
        }

        public static void Warning(string message)
        {
            WriteTrace(_WARNING_CATEGORY, message, "");
        }

        public static void Verbose(string message)
        {
            WriteTrace(_VERBOSE_CATEGORY, message, "");
        }

        public static void Info(string message)
        {
            WriteTrace(_INFO_CATEGORY, message, "");
        }

    }
}

A possible improvement can be a custom Area. See an example of ThorstenHans on Github: CustomLogger.cs

EDIT: I found an interesting article: How to log to the SharePoint ULS Logs: Clean Debugging and Error Logging broken down into steps written by Philip Stathis.

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One response to “A simple Log for ULS

  1. Pingback: Do an unsafe update in a unified manner « Sharepoint. Kunskap. Upptäckter på resan.

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