mcs/class/System.Web.Services/System.Web.Services.Protocols/WebServiceHandlerFactory.cs

   1 //
   2 // System.Web.Services.Protocols.WebServiceHandlerFactory.cs
   3 //
   4 // Authors:
   5 //      Tim Coleman (tim@timcoleman.com)
   6 //      Dave Bettin (dave@opendotnet.com)
   7 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   8 //      Lluis Sanchez Gual (lluis@ximian.com)
   9 //
  10 // Copyright (C) Tim Coleman, 2002
  11 // Copyright (c) 2003 Ximian, Inc. (http://www.ximian.com)
  12 //
  13
  14 using System.IO;
  15 using System.Web.Services;
  16 using System.Web.Services.Configuration;
  17 using System.Web.UI;
  18 using System.Collections.Specialized;
  19
  20 namespace System.Web.Services.Protocols
  21 {
  22         class DummyHttpHandler : IHttpHandler
  23         {
  24                 bool IHttpHandler.IsReusable {
  25                         get { return false; }
  26                 }
  27
  28                 void IHttpHandler.ProcessRequest (HttpContext context)
  29                 {
  30                         // Do nothing
  31                 }
  32         }
  33
  34         public class WebServiceHandlerFactory : IHttpHandlerFactory
  35         {
  36
  37                 #region Constructors
  38
  39                 public WebServiceHandlerFactory ()
  40                 {
  41                 }
  42
  43                 #endregion // Constructors
  44
  45                 #region Methods
  46
  47                 public IHttpHandler GetHandler (HttpContext context, string verb, string url, string filePath)
  48                 {
  49                         Type type = WebServiceParser.GetCompiledType (filePath, context);
  50
  51                         WSProtocol protocol = GuessProtocol (context, verb);
  52                         IHttpHandler handler = null;
  53
  54                         if (!WSConfig.IsSupported (protocol))
  55                                 return new DummyHttpHandler ();
  56
  57                         switch (protocol) {
  58                         case WSProtocol.HttpSoap:
  59                                 handler = new HttpSoapWebServiceHandler (type);
  60                                 break;
  61                         case WSProtocol.HttpPost:
  62                                 handler = new HttpPostWebServiceHandler (type);
  63                                 break;
  64                         case WSProtocol.HttpGet:
  65                                 handler = new HttpGetWebServiceHandler (type);
  66                                 break;
  67                         case WSProtocol.Documentation:
  68                                 handler = new SoapDocumentationHandler (type, context);
  69                                 break;
  70                         }
  71
  72                         return handler;
  73                 }
  74
  75                 static WSProtocol GuessProtocol (HttpContext context, string verb)
  76                 {
  77                         if (context.Request.PathInfo == null || context.Request.PathInfo == "")
  78                         {
  79                                 if (context.Request.RequestType == "GET")
  80                                         return WSProtocol.Documentation;
  81                                 else
  82                                         return WSProtocol.HttpSoap;
  83                         }
  84                         else
  85                         {
  86                                 if (context.Request.RequestType == "GET")
  87                                         return WSProtocol.HttpGet;
  88                                 else
  89                                         return WSProtocol.HttpPost;
  90                         }
  91                 }
  92
  93                 public void ReleaseHandler (IHttpHandler handler)
  94                 {
  95                 }
  96
  97                 #endregion // Methods
  98         }
  99 }