Rename to VAR.Focus

VAR.Focus.Web/GlobalRouter.cs

@@ -0,0 +1,126 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using System.Web;
+using VAR.Focus.Web.Code;
+
+namespace VAR.Focus.Web
+{
+    public class GlobalRouter : IHttpHandler
+    {
+        #region Handlers
+
+        private static Dictionary<string, Type> _handlers = new Dictionary<string, Type>();
+
+        private static IHttpHandler GetHandler(string typeName)
+        {
+            if (string.IsNullOrEmpty(typeName)) { return null; }
+            Type type = null;
+            if (_handlers.ContainsKey(typeName))
+            {
+                type = _handlers[typeName];
+                IHttpHandler handler = Activator.CreateInstance(type) as IHttpHandler;
+                return handler;
+            }
+
+            // Search type on executing assembly
+            Type[] types;
+            Assembly asm = Assembly.GetExecutingAssembly();
+            types = asm.GetTypes();
+            foreach (Type typeAux in types)
+            {
+                if (typeAux.FullName.EndsWith(typeName))
+                {
+                    type = typeAux;
+                    break;
+                }
+            }
+
+            // Search type on all loaded assemblies
+            if (type == null)
+            {
+                Assembly[] asms = AppDomain.CurrentDomain.GetAssemblies();
+                foreach (Assembly asmAux in asms)
+                {
+                    types = asmAux.GetTypes();
+                    foreach (Type typeAux in types)
+                    {
+                        if (typeAux.FullName.EndsWith(typeName))
+                        {
+                            type = typeAux;
+                            break;
+                        }
+                    }
+                    if (type != null) { break; }
+                }
+            }
+
+            // Use found type
+            if (type != null)
+            {
+                IHttpHandler handler = Activator.CreateInstance(type) as IHttpHandler;
+                if (handler != null)
+                {
+                    lock (_handlers)
+                    {
+                        if (_handlers.ContainsKey(typeName) == false)
+                        {
+                            _handlers.Add(typeName, type);
+                        }
+                    }
+                }
+                return handler;
+            }
+
+            return null;
+        }
+
+        #endregion
+
+        #region IHttpHandler
+
+        public bool IsReusable
+        {
+            get { return false; }
+        }
+
+        public void ProcessRequest(HttpContext context)
+        {
+            try
+            {
+                RouteRequest(context);
+            }
+            catch (Exception ex)
+            {
+                GlobalErrorHandler.HandleError(context, ex);
+            }
+        }
+
+        #endregion
+
+        #region Private methods
+
+        private void RouteRequest(HttpContext context)
+        {
+            string file = Path.GetFileName(context.Request.FilePath);
+            if (string.IsNullOrEmpty(file))
+            {
+                file = Globals.DefaultHandler;
+            }
+            IHttpHandler handler = GetHandler(file);
+            if (handler == null)
+            {
+                // TODO: FrmNotFound
+                throw new Exception("NotFound");
+            }
+
+            // Use handler
+            context.Response.Clear();
+            context.Handler = handler;
+            handler.ProcessRequest(context);
+        }
+
+        #endregion
+    }
+}