private void GetInfoForAssembly()

in src/log4net/Core/DefaultRepositorySelector.cs [571:641]
60 lines of code
11 McCabe index (conditional complexity)

		private void GetInfoForAssembly(Assembly assembly, ref string repositoryName, ref Type repositoryType)
		{
			if (assembly == null)
			{
				throw new ArgumentNullException("assembly");
			}

			try
			{
				LogLog.Debug(declaringType, "Assembly [" + assembly.FullName + "] Loaded From [" + SystemInfo.AssemblyLocationInfo(assembly) + "]");
			}
			catch
			{
				// Ignore exception from debug call
			}

			try
			{
				// Look for the RepositoryAttribute on the assembly 
#if NETSTANDARD
				object[] repositoryAttributes = assembly.GetCustomAttributes(typeof(log4net.Config.RepositoryAttribute)).ToArray();
#else
				object[] repositoryAttributes = Attribute.GetCustomAttributes(assembly, typeof(log4net.Config.RepositoryAttribute), false);
#endif
				if (repositoryAttributes == null || repositoryAttributes.Length == 0)
				{
					// This is not a problem, but its nice to know what is going on.
					LogLog.Debug(declaringType, "Assembly [" + assembly + "] does not have a RepositoryAttribute specified.");
				}
				else
				{
					if (repositoryAttributes.Length > 1)
					{
						LogLog.Error(declaringType, "Assembly [" + assembly + "] has multiple log4net.Config.RepositoryAttribute assembly attributes. Only using first occurrence.");
					}

					log4net.Config.RepositoryAttribute domAttr = repositoryAttributes[0] as log4net.Config.RepositoryAttribute;

					if (domAttr == null)
					{
						LogLog.Error(declaringType, "Assembly [" + assembly + "] has a RepositoryAttribute but it does not!.");
					}
					else
					{
						// If the Name property is set then override the default
						if (domAttr.Name != null)
						{
							repositoryName = domAttr.Name;
						}

						// If the RepositoryType property is set then override the default
						if (domAttr.RepositoryType != null)
						{
							// Check that the type is a repository
							if (typeof(ILoggerRepository).IsAssignableFrom(domAttr.RepositoryType))
							{
								repositoryType = domAttr.RepositoryType;
							}
							else
							{
								LogLog.Error(declaringType, "DefaultRepositorySelector: Repository Type [" + domAttr.RepositoryType + "] must implement the ILoggerRepository interface.");
							}
						}
					}
				}
			}
			catch (Exception ex)
			{
				LogLog.Error(declaringType, "Unhandled exception in GetInfoForAssembly", ex);
			}
		}