public DefaultFilter(HttpRequestPath parent)
{
_parent = parent;
}
private void ConfigurePaths(TrivialWebServer server)
{
foreach (XmlElement pathEl in _configRoot.SelectNodes("path"))
{
string pattern = XmlUtil.ReadString(pathEl, "@value", null);
if (pattern != null)
pattern = "^" + Regex.Escape(pattern) + "$";
else
pattern = XmlUtil.ReadString(pathEl, "@pattern", null);
if (pattern == null)
throw new ConfigurationException("Path element requires either 'value' or 'pattern'");
HttpRequestPath path = new HttpRequestPath();
path.Register(new Regex(pattern), server);
bool hasSeenHandler = false;
XmlNode childNode = pathEl.FirstChild;
while (childNode != null)
{
XmlElement childEl = childNode as XmlElement;
if (childEl == null)
{
childNode = childNode.NextSibling;
continue;
}
bool isFilter;
switch (childEl.Name)
{
case "filter":
isFilter = true;
if (hasSeenHandler)
throw new ConfigurationException("All filters for a given path must come before all the handlers in that path");
break;
case "handler":
isFilter = false;
hasSeenHandler = true;
break;
default:
throw new ConfigurationException("Element '" + childEl.Name + "' was not expected here");
}
string clazz = XmlUtil.ReadString(childEl, "@className", null);
Type filterType = Type.GetType(clazz, true);
ConstructorInfo constructor = filterType.GetConstructor(new Type[] {typeof(XmlElement)});
if (constructor == null)
throw new ConfigurationException("Class " + filterType.FullName + " does not have a constructor that takes XmlElement");
object filterOrHandler = constructor.Invoke(new object[] {childEl});
if (isFilter)
{
if (!(filterOrHandler is HttpRequestFilter))
throw new ConfigurationException("Class " + filterType.FullName + " does not derive from HttpRequestFilter");
path.AddFilter((HttpRequestFilter) filterOrHandler);
}
else
{
if (!(filterOrHandler is HttpRequestHandler))
throw new ConfigurationException("Class " + filterType.FullName + " does not derive from HttpRequestHandler");
path.AddHandler((HttpRequestHandler) filterOrHandler);
}
childNode = childNode.NextSibling;
}
}
}
public DefaultFilter(HttpRequestPath parent)
{
_parent = parent;
}
