public void Intercept(IInvocation invocation)
{
var methodInfo = invocation.Method;
Object[] attributes = methodInfo.GetCustomAttributes(true);
var directoryAttri = attributes.SingleOrDefault(a => a is DirectoryAttribute) as DirectoryAttribute;
var clusterAttri = attributes.SingleOrDefault(a => a is ClusterAttribute) as ClusterAttribute;
var loadBalanceAttri = attributes.SingleOrDefault(a => a is LoadBalanceAttribute) as LoadBalanceAttribute;
var protocolAttri = attributes.SingleOrDefault(a => a is ProtocolAttribute) as ProtocolAttribute;
ConstructorInfo constr = protocolAttri.ContextType.GetConstructors()[0];
ParameterInfo[] parameters = constr.GetParameters();
object[] constrParamters = new Object[parameters.Length];
constrParamters[0] = new DirectoryContext(directoryAttri.Path, directoryAttri.Directory);
constrParamters[1] = new ClusterContext(clusterAttri.Name);
constrParamters[2] = new LoadBalanceContext(loadBalanceAttri.Name);
for (var i = 3; i < parameters.Length; i++)
{
Object value = PropertyHelper.GetPropertyValue(protocolAttri.GetType(), protocolAttri, parameters[i].Name);
constrParamters[i] = value;
}
var invokeContext = Activator.CreateInstance(protocolAttri.ContextType, constrParamters) as InvokerContext;
invocation.SetArgumentValue(invocation.Arguments.Length - 1, invokeContext);
invocation.Proceed();
}
public InvokerContext(DirectoryContext directoryContext, ClusterContext clusterContext, LoadBalanceContext loadBalanceContext)
{
this.Directory = directoryContext;
this.Cluster = clusterContext;
this.LoadBalance = loadBalanceContext;
}