AOPinIoC_Aspect

Aspect.cs

/// <summary>
/// Abstract class to wrap Castle Windsor's IInterceptor to only fire if the method or class is decorated with this attribute.
/// </summary>
public abstract class Aspect : Attribute, IInterceptor
{
    public void Intercept(IInvocation invocation)
    {
        if (!CanIntercept(invocation, GetType()))
        {//method is NOT decorated with the proper aspect, continue as normal
            invocation.Proceed();
            return;
        }
        ProcessInvocation(invocation);
    }

    /// <summary>
    /// Determine if the intercepted class or method is decorated with the current attribute
    /// Classes decorated will process if decorated on ALL methods
    /// Methods decorated will process if decorate
    /// </summary>
    /// <param name="invocation"></param>
    /// <param name="type"></param>
    /// <returns></returns>
    private bool CanIntercept(IInvocation invocation, Type type)
    {
        return invocation.TargetType.CustomAttributes.Any(x => x.AttributeType == type) ||
            invocation.MethodInvocationTarget.CustomAttributes.Any(x => x.AttributeType == type);
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="invocation"></param>
    public abstract void ProcessInvocation(IInvocation invocation);
}