public void Intercept(IInvocation invocation)
{
MethodInfo methodInfo = invocation.MethodInvocationTarget;
if (methodInfo == null)
{
methodInfo = invocation.Method;
}
//we take the settings from the first attribute we find searching method first
//If there is at least one attribute, the call gets wrapped with an exception handler
var assemblyAttributes =
(ExceptionHandlerAttribute[])
methodInfo.ReflectedType.Assembly.GetCustomAttributes(typeof(ExceptionHandlerAttribute), false);
var classAttributes =
(ExceptionHandlerAttribute[])
methodInfo.ReflectedType.GetCustomAttributes(typeof(ExceptionHandlerAttribute), false);
var methodAttributes =
(ExceptionHandlerAttribute[])methodInfo.GetCustomAttributes(typeof(ExceptionHandlerAttribute), false);
if (assemblyAttributes.Length == 0 && classAttributes.Length == 0 && methodAttributes.Length == 0)
{
invocation.Proceed();
}
else
{
ExceptionHandlerAttributeSettings exceptionHandlerAttributeSettings =
GetExceptionHandlerSettings(assemblyAttributes, classAttributes, methodAttributes);
try {
invocation.Proceed();
}
catch (Exception err) {
exceptionLogger.LogException(err, exceptionHandlerAttributeSettings.IsSilent,
methodInfo.ReflectedType);
if (exceptionHandlerAttributeSettings.IsSilent)
{
if (exceptionHandlerAttributeSettings.ExceptionType == null ||
exceptionHandlerAttributeSettings.ExceptionType == err.GetType())
{
invocation.ReturnValue = exceptionHandlerAttributeSettings.ReturnValue;
}
else
{
throw;
}
}
else
{
throw;
}
}
}
}
public ExceptionHandlerAttribute()
{
Settings = new ExceptionHandlerAttributeSettings();
}
