private void DrawInterceptor(VizInterceptor vizInterceptor, Graphics g, int y)
{
Rectangle consumerBounds = new Rectangle(30, y, 450, 30);
if (vizInterceptor.InterceptorType == VizInterceptorType.After)
{
consumerBounds = new Rectangle(130, y, 350, 30);
}
else if (vizInterceptor.InterceptorType == VizInterceptorType.Around)
{
}
else if (vizInterceptor.InterceptorType == VizInterceptorType.Before)
{
consumerBounds = new Rectangle(30, y, 350, 30);
}
if (vizInterceptor.ThrowsExceptionTypes.Count > 0)
{
Pen pen = new Pen(Brushes.Red, 1);
int y2 = consumerBounds.Y + 15;
for (int x = consumerBounds.X - 25; x < 350 + 130 + 25; x += 20)
{
g.DrawLine(pen, x, y2, x + 10, y2 + 5);
g.DrawLine(pen, x + 10, y2 + 5, x + 20, y2);
}
Rectangle exceptionBounds = new Rectangle(350 + 130 + 25 + 5, y2 - 5, 200, vizInterceptor.ThrowsExceptionTypes.Count * 15 + 5);
DrawBox(exceptionBounds, g, Color.White, Color.LightYellow);
foreach (string exception in vizInterceptor.ThrowsExceptionTypes)
{
DrawString(350 + 130 + 25 + 10, y2 - 3, string.Format("May throw {0}", exception), g);
y2 += 15;
}
}
DrawBox(consumerBounds, g, Color.White, Color.FromArgb(230, 210, 255));
DrawStringBold(consumerBounds.X + 30, consumerBounds.Y + 3, string.Format("{0} interceptor", vizInterceptor.InterceptorType), g);
DrawString(consumerBounds.X + 30, consumerBounds.Y + 15, string.Format("{0} : from aspect {1}", vizInterceptor.Name, "xxx"), g);
if (vizInterceptor.MayBreakFlow)
{
Pen pen = new Pen(Brushes.Silver, 3f);
pen.EndCap = LineCap.ArrowAnchor;
pen.DashStyle = DashStyle.Dash;
g.DrawLine(pen, consumerBounds.X + 80, consumerBounds.Y + 43, consumerBounds.Right - 80, consumerBounds.Y + 43);
DrawString(consumerBounds.X + 90, consumerBounds.Y + 45, "May break flow", g);
}
}
private void SerializeInterceptors(VizMethodBase vizMethodBase, IList interceptors)
{
foreach (object interceptor in interceptors)
{
VizInterceptorType interceptorType = VizInterceptorType.Around;
VizInterceptor vizInterceptor = new VizInterceptor();
if (interceptor is IAfterInterceptor)
{
interceptorType = VizInterceptorType.After;
vizInterceptor.Name = interceptor.GetType().Name;
}
else if (interceptor is IBeforeInterceptor)
{
interceptorType = VizInterceptorType.Before;
vizInterceptor.Name = interceptor.GetType().Name;
}
else if (interceptor is IAroundInterceptor)
{
interceptorType = VizInterceptorType.Around;
vizInterceptor.Name = interceptor.GetType().Name;
}
else if (interceptor is AroundDelegate)
{
interceptorType = VizInterceptorType.Around;
Delegate ad = (Delegate)interceptor;
vizInterceptor.Name = ad.Method.DeclaringType.Name + "." + ad.Method.Name;
}
else if (interceptor is AfterDelegate)
{
interceptorType = VizInterceptorType.After;
Delegate ad = (Delegate)interceptor;
vizInterceptor.Name = ad.Method.DeclaringType.Name + "." + ad.Method.Name;
}
else if (interceptor is BeforeDelegate)
{
interceptorType = VizInterceptorType.Before;
Delegate ad = (Delegate)interceptor;
vizInterceptor.Name = ad.Method.DeclaringType.Name + "." + ad.Method.Name;
}
vizInterceptor.TypeName = interceptor.GetType().Name;
vizInterceptor.InterceptorType = interceptorType;
if (interceptor.GetType().GetCustomAttributes(typeof(MayBreakFlowAttribute), false).Length > 0)
{
vizInterceptor.MayBreakFlow = true;
}
if (interceptor.GetType().GetCustomAttributes(typeof(IsRequiredAttribute), false).Length > 0)
{
vizInterceptor.IsRequired = true;
}
object[] exceptionTypes = interceptor.GetType().GetCustomAttributes(typeof(ThrowsAttribute), false);
foreach (ThrowsAttribute throws in exceptionTypes)
{
vizInterceptor.ThrowsExceptionTypes.Add(throws.ExceptionType.Name);
}
vizMethodBase.Interceptors.Add(vizInterceptor);
}
}
