Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Extensions / Script / Services / ScriptHandlerFactory.cs / 1305376 / ScriptHandlerFactory.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System.Web.SessionState; using System.Security.Permissions; using System.Security; namespace System.Web.Script.Services { internal class ScriptHandlerFactory : IHttpHandlerFactory { IHttpHandlerFactory _restHandlerFactory; IHttpHandlerFactory _webServiceHandlerFactory; internal class HandlerWrapper : IHttpHandler { protected IHttpHandler _originalHandler; private IHttpHandlerFactory _originalFactory; internal HandlerWrapper(IHttpHandler originalHandler, IHttpHandlerFactory originalFactory) { _originalFactory = originalFactory; _originalHandler = originalHandler; } internal void ReleaseHandler() { _originalFactory.ReleaseHandler(_originalHandler); } public bool IsReusable { get { return _originalHandler.IsReusable; } } public void ProcessRequest(HttpContext context) { _originalHandler.ProcessRequest(context); } } internal class HandlerWrapperWithSession : HandlerWrapper, IRequiresSessionState { internal HandlerWrapperWithSession(IHttpHandler originalHandler, IHttpHandlerFactory originalFactory) : base(originalHandler, originalFactory) {} } private class AsyncHandlerWrapper : HandlerWrapper, IHttpAsyncHandler { internal AsyncHandlerWrapper(IHttpHandler originalHandler, IHttpHandlerFactory originalFactory) : base(originalHandler, originalFactory) { } public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData) { return ((IHttpAsyncHandler)_originalHandler).BeginProcessRequest(context, cb, extraData); } public void EndProcessRequest(IAsyncResult result) { ((IHttpAsyncHandler)_originalHandler).EndProcessRequest(result); } } private class AsyncHandlerWrapperWithSession : AsyncHandlerWrapper, IRequiresSessionState { internal AsyncHandlerWrapperWithSession(IHttpHandler originalHandler, IHttpHandlerFactory originalFactory) : base(originalHandler, originalFactory) { } } public ScriptHandlerFactory() { _restHandlerFactory = new RestHandlerFactory(); _webServiceHandlerFactory = new System.Web.Services.Protocols.WebServiceHandlerFactory(); } [SecuritySafeCritical] public virtual IHttpHandler GetHandler(HttpContext context, string requestType, string url, string pathTranslated) { IHttpHandler handler; IHttpHandlerFactory factory; if (RestHandlerFactory.IsRestRequest(context)) { // It's a REST request factory = _restHandlerFactory; } else { // It's a regular asmx web request, so delegate to the WebServiceHandlerFactory factory = _webServiceHandlerFactory; } handler = factory.GetHandler(context, requestType, url, pathTranslated); bool requiresSession = handler is IRequiresSessionState; if (handler is IHttpAsyncHandler) { if (requiresSession) return new AsyncHandlerWrapperWithSession(handler, factory); else return new AsyncHandlerWrapper(handler, factory); } if (requiresSession) return new HandlerWrapperWithSession(handler, factory); else return new HandlerWrapper(handler, factory); } public virtual void ReleaseHandler(IHttpHandler handler) { if (handler == null) { throw new ArgumentNullException("handler"); } ((HandlerWrapper)handler).ReleaseHandler(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System.Web.SessionState; using System.Security.Permissions; using System.Security; namespace System.Web.Script.Services { internal class ScriptHandlerFactory : IHttpHandlerFactory { IHttpHandlerFactory _restHandlerFactory; IHttpHandlerFactory _webServiceHandlerFactory; internal class HandlerWrapper : IHttpHandler { protected IHttpHandler _originalHandler; private IHttpHandlerFactory _originalFactory; internal HandlerWrapper(IHttpHandler originalHandler, IHttpHandlerFactory originalFactory) { _originalFactory = originalFactory; _originalHandler = originalHandler; } internal void ReleaseHandler() { _originalFactory.ReleaseHandler(_originalHandler); } public bool IsReusable { get { return _originalHandler.IsReusable; } } public void ProcessRequest(HttpContext context) { _originalHandler.ProcessRequest(context); } } internal class HandlerWrapperWithSession : HandlerWrapper, IRequiresSessionState { internal HandlerWrapperWithSession(IHttpHandler originalHandler, IHttpHandlerFactory originalFactory) : base(originalHandler, originalFactory) {} } private class AsyncHandlerWrapper : HandlerWrapper, IHttpAsyncHandler { internal AsyncHandlerWrapper(IHttpHandler originalHandler, IHttpHandlerFactory originalFactory) : base(originalHandler, originalFactory) { } public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData) { return ((IHttpAsyncHandler)_originalHandler).BeginProcessRequest(context, cb, extraData); } public void EndProcessRequest(IAsyncResult result) { ((IHttpAsyncHandler)_originalHandler).EndProcessRequest(result); } } private class AsyncHandlerWrapperWithSession : AsyncHandlerWrapper, IRequiresSessionState { internal AsyncHandlerWrapperWithSession(IHttpHandler originalHandler, IHttpHandlerFactory originalFactory) : base(originalHandler, originalFactory) { } } public ScriptHandlerFactory() { _restHandlerFactory = new RestHandlerFactory(); _webServiceHandlerFactory = new System.Web.Services.Protocols.WebServiceHandlerFactory(); } [SecuritySafeCritical] public virtual IHttpHandler GetHandler(HttpContext context, string requestType, string url, string pathTranslated) { IHttpHandler handler; IHttpHandlerFactory factory; if (RestHandlerFactory.IsRestRequest(context)) { // It's a REST request factory = _restHandlerFactory; } else { // It's a regular asmx web request, so delegate to the WebServiceHandlerFactory factory = _webServiceHandlerFactory; } handler = factory.GetHandler(context, requestType, url, pathTranslated); bool requiresSession = handler is IRequiresSessionState; if (handler is IHttpAsyncHandler) { if (requiresSession) return new AsyncHandlerWrapperWithSession(handler, factory); else return new AsyncHandlerWrapper(handler, factory); } if (requiresSession) return new HandlerWrapperWithSession(handler, factory); else return new HandlerWrapper(handler, factory); } public virtual void ReleaseHandler(IHttpHandler handler) { if (handler == null) { throw new ArgumentNullException("handler"); } ((HandlerWrapper)handler).ReleaseHandler(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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