public void Intercept(IInvocation invocation)
{
MethodInfo methodInfo = invocation.MethodInvocationTarget;
if (methodInfo == null)
{
methodInfo = invocation.Method;
}
//we take the most permissive log settings from the attributes we find
//If there is at least one attribute, the call gets wrapped with a transaction
var assemblyLogAttributes =
(LogAttribute[])methodInfo.ReflectedType.Assembly.GetCustomAttributes(typeof(LogAttribute), false);
var classLogAttributes =
(LogAttribute[])methodInfo.ReflectedType.GetCustomAttributes(typeof(LogAttribute), false);
var methodLogAttributes =
(LogAttribute[])methodInfo.GetCustomAttributes(typeof(LogAttribute), false);
if (assemblyLogAttributes.Length == 0 && classLogAttributes.Length == 0 && methodLogAttributes.Length == 0)
{
invocation.Proceed();
}
else
{
LogAttributeSettings logAttributeSettings = GetLoggingLevels(assemblyLogAttributes, classLogAttributes,
methodLogAttributes);
methodLogger.LogEntry(methodInfo, invocation.Arguments, logAttributeSettings.EntryLevel);
try {
invocation.Proceed();
}
catch (Exception err) {
methodLogger.LogException(methodInfo, err, logAttributeSettings.ExceptionLevel);
throw;
}
methodLogger.LogSuccess(methodInfo, invocation.ReturnValue, logAttributeSettings.SuccessLevel);
}
}
