static LoggerManager()

in src/log4net/Core/LoggerManager.cs [61:122]
49 lines of code
7 McCabe index (conditional complexity)

  static LoggerManager()
  {
    try
    {
      // Register the AppDomain events, note we have to do this with a
      // method call rather than directly here because the AppDomain
      // makes a LinkDemand which throws the exception during the JIT phase.
      RegisterAppDomainEvents();
    }
    catch (System.Security.SecurityException)
    {
      LogLog.Debug(_declaringType, "Security Exception (ControlAppDomain LinkDemand) while trying " +
        "to register Shutdown handler with the AppDomain. LoggerManager.Shutdown() " +
        "will not be called automatically when the AppDomain exits. It must be called " +
        "programmatically.");
    }

    // Dump out our assembly version into the log if debug is enabled
    LogLog.Debug(_declaringType, GetVersionInfo());

    // Set the default repository selector
    // Look for the RepositorySelector type specified in the AppSettings 'log4net.RepositorySelector'
    string? appRepositorySelectorTypeName = SystemInfo.GetAppSetting("log4net.RepositorySelector");
    if (!string.IsNullOrEmpty(appRepositorySelectorTypeName))
    {
      // Resolve the config string into a Type
      Type? appRepositorySelectorType = null;
      try
      {
        appRepositorySelectorType = SystemInfo.GetTypeFromString(appRepositorySelectorTypeName!, false, true);
      }
      catch (Exception e) when (!e.IsFatal())
      {
        LogLog.Error(_declaringType, $"Exception while resolving RepositorySelector Type [{appRepositorySelectorTypeName}]", e);
      }

      if (appRepositorySelectorType is not null)
      {
        // Create an instance of the RepositorySelectorType
        object? appRepositorySelectorObj = null;
        try
        {
          appRepositorySelectorObj = Activator.CreateInstance(appRepositorySelectorType);
        }
        catch (Exception e) when (!e.IsFatal())
        {
          LogLog.Error(_declaringType, $"Exception while creating RepositorySelector [{appRepositorySelectorType.FullName}]", e);
        }

        if (appRepositorySelectorObj is IRepositorySelector sel)
        {
          RepositorySelector = sel;
        }
        else
        {
          LogLog.Error(_declaringType, $"RepositorySelector Type [{appRepositorySelectorType.FullName}] is not an IRepositorySelector");
        }
      }
    }
    // Create the DefaultRepositorySelector if not configured above 
    RepositorySelector ??= new DefaultRepositorySelector(typeof(Repository.Hierarchy.Hierarchy));
  }