public UriTreeNode Find(string[] path, HttpMethod httpMethod, Dictionary <string, object> param)
{
var cur = treeNodes;
int i = 0;
UriTreeNode node = null;
if (path.Length > 0)
{
while (i < path.Length)
{
node = cur.Find(x => ((!x.IsParam && x.Name == path[i]) || (x.IsParam)) &&
(x.Method != null ? x.HttpMethod == httpMethod : x.Method == null &&
(x.HttpMethod == HttpMethod.none || x.HttpMethod == httpMethod)));
if (node != null)
{
if (node.IsParam)
{
param.Add(node.Name, path[i]);
}
i++;
cur = node.treeNodesChild;
}
else
{
return(null);
}
}
}
return(node);
}
static void AddChildNodeRecursive(int depth, UriTreeNode node, UriTreeNode currentNode)
{
if (depth > 1)
{
AddChildNodeRecursive(depth - 1, node, currentNode.treeNodesChild[0]);
}
else
{
currentNode.treeNodesChild.Add(node);
}
}
public static UriTree Parse(string uriTemplate, HttpMethod httpMethod = HttpMethod.none, System.Reflection.MethodInfo methodInfo = null)
{
UriTree res = new UriTree();
var nodesStr = uriTemplate.Contains("?")
? uriTemplate.Remove(uriTemplate.IndexOf('?')).Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries)
: uriTemplate.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
var firstNode = new UriTreeNode()
{
Name = nodesStr[0], HttpMethod = httpMethod
};
if (nodesStr.Length == 1)
{
firstNode.Method = methodInfo;
}
res.treeNodes.Add(firstNode);
for (int i = 1; i < nodesStr.Length; i++)
{
UriTreeNode node = new UriTreeNode()
{
HttpMethod = HttpMethod.none
};
if (nodesStr[i][0] == '{' && nodesStr[i][nodesStr[i].Length - 1] == '}')
{
node.IsParam = true;
node.Name = nodesStr[i].Substring(1, nodesStr[i].Length - 2);
}
else
{
node.Name = nodesStr[i];
}
AddChildNodeRecursive(i, node, res.treeNodes[0]);
//метод должен иметь лишь последний элемент в дереве по определенному пути
if (i == nodesStr.Length - 1)
{
node.HttpMethod = httpMethod;
node.Method = methodInfo;
}
}
return(res);
}
void InvokeWrapper(HttpListenerContext context, Dictionary <string, object> param, UriTreeNode node)
{
var p = node.Method.GetParameters();
object[] par = new object[p.Length];
for (int i = 0; i < p.Length; i++)
{
par[i] = param.ContainsKey(p[i].Name) ? Convert.ChangeType(param[p[i].Name], p[i].ParameterType)
: (p[i].ParameterType.IsValueType ? Activator.CreateInstance(p[i].ParameterType)
: (IsPostPutExistContent(node.HttpMethod, context.Request) ? DeserializeRequest(context.Request, node.Method, p[i].ParameterType) : null));
}
try
{
var res = node.Method.Invoke(Activator.CreateInstance(node.Method.DeclaringType), par);
object respObj = null;
if (node.Method.ReturnType != typeof(void))
{
respObj = new
{
status = 200,
result = res
};
}
else
{
respObj = new
{
status = 200
};
}
context.Response.ContentEncoding = Encoding.Default;
var typeResp = node.Method.CustomAttributes.
First(x => x.AttributeType == typeof(WebInvokeAttribute)).NamedArguments.FirstOrDefault(y => y.MemberName == "ResponseType");
SerializeResponse(context.Response, typeResp.MemberInfo != null ? (RequestResponseType)typeResp.TypedValue.Value : RequestResponseType.Json, respObj);
context.Response.StatusCode = 200;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
context.Response.Close();
}
}