AppDomainFactory.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Hosting / AppDomainFactory.cs / 1305376 / AppDomainFactory.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 * AppDomain factory -- creates app domains on demand from ISAPI 
 *
 * Copyright (c) 1999 Microsoft Corporation 
 */

namespace System.Web.Hosting {
    using System.Collections; 
    using System.Globalization;
    using System.Reflection; 
    using System.Runtime.InteropServices; 
    using System.Runtime.Remoting;
    using System.Security; 
    using System.Security.Permissions;
    using System.Security.Policy;
    using System.Text;
    using System.Web; 
    using System.Web.Util;
 
    // 
    // IAppDomainFactory / AppDomainFactory are obsolete and stay public
    // only to avoid breaking changes. 
    //
    // The new code uses IAppManagerAppDomainFactory / AppAppManagerDomainFactory
    //
 

    ///  
    [ComImport, Guid("e6e21054-a7dc-4378-877d-b7f4a2d7e8ba"), System.Runtime.InteropServices.InterfaceTypeAttribute(System.Runtime.InteropServices.ComInterfaceType.InterfaceIsIUnknown)] 
    public interface IAppDomainFactory {
 
#if !FEATURE_PAL // FEATURE_PAL does not enable COM
        [return: MarshalAs(UnmanagedType.Interface)]
        Object Create(
                     [In, MarshalAs(UnmanagedType.BStr)] 
                     String module,
                     [In, MarshalAs(UnmanagedType.BStr)] 
                     String typeName, 
                     [In, MarshalAs(UnmanagedType.BStr)]
                     String appId, 
                     [In, MarshalAs(UnmanagedType.BStr)]
                     String appPath,
                     [In, MarshalAs(UnmanagedType.BStr)]
                     String strUrlOfAppOrigin, 
                     [In, MarshalAs(UnmanagedType.I4)]
                     int iZone); 
#else // !FEATURE_PAL 
        [return: MarshalAs(UnmanagedType.Error)]
        Object Create( 
                     [In, MarshalAs(UnmanagedType.Error)]
                     String module,
                     [In, MarshalAs(UnmanagedType.Error)]
                     String typeName, 
                     [In, MarshalAs(UnmanagedType.Error)]
                     String appId, 
                     [In, MarshalAs(UnmanagedType.Error)] 
                     String appPath,
                     [In, MarshalAs(UnmanagedType.Error)] 
                     String strUrlOfAppOrigin,
                     [In, MarshalAs(UnmanagedType.I4)]
                     int iZone);
 
#endif // FEATURE_PAL
    } 
 

    ///  
    ///    [To be supplied.]
    /// 
    /// 
    public sealed class AppDomainFactory : IAppDomainFactory { 

        private AppManagerAppDomainFactory _realFactory; 
 

        [SecurityPermission(SecurityAction.Demand, Unrestricted=true)] 
        public AppDomainFactory() {
            _realFactory = new AppManagerAppDomainFactory();
        }
 
        /*
         *  Creates an app domain with an object inside 
         */ 
#if !FEATURE_PAL // FEATURE_PAL does not enable COM
        [return: MarshalAs(UnmanagedType.Interface)] 
#endif // !FEATURE_PAL
        public Object Create(String module, String typeName, String appId, String appPath,
                             String strUrlOfAppOrigin, int iZone) {
            return _realFactory.Create(appId, appPath); 
        }
    } 
 
    //
    // The new code -- IAppManagerAppDomainFactory / AppAppManagerDomainFactory 
    //


    ///  
    [ComImport, Guid("02998279-7175-4d59-aa5a-fb8e44d4ca9d"), System.Runtime.InteropServices.InterfaceTypeAttribute(System.Runtime.InteropServices.ComInterfaceType.InterfaceIsIUnknown)]
    public interface IAppManagerAppDomainFactory { 
#if !FEATURE_PAL // FEATURE_PAL does not enable COM 
        [return: MarshalAs(UnmanagedType.Interface)]
#else // !FEATURE_PAL 
        Object Create(String appId, String appPath);
#endif // !FEATURE_PAL

        Object Create([In, MarshalAs(UnmanagedType.BStr)] String appId, 
                      [In, MarshalAs(UnmanagedType.BStr)] String appPath);
 
 
        void Stop();
    } 


    /// 
    public sealed class AppManagerAppDomainFactory : IAppManagerAppDomainFactory { 

        private ApplicationManager _appManager; 
 

        [SecurityPermission(SecurityAction.Demand, Unrestricted=true)] 
        public AppManagerAppDomainFactory() {
            _appManager = ApplicationManager.GetApplicationManager();
            _appManager.Open();
        } 

        /* 
         *  Creates an app domain with an object inside 
         */
#if FEATURE_PAL // FEATURE_PAL does not enable COM 
        [return: MarshalAs(UnmanagedType.Error)]
#else // FEATURE_PAL
        [return: MarshalAs(UnmanagedType.Interface)]
#endif // FEATURE_PAL 

        public Object Create(String appId, String appPath) { 
            try { 
                //
                //  Fill app a Dictionary with 'binding rules' -- name value string pairs 
                //  for app domain creation
                //

                // 

 
                if (appPath[0] == '.') { 
                    System.IO.FileInfo file = new System.IO.FileInfo(appPath);
                    appPath = file.FullName; 
                }

                if (!StringUtil.StringEndsWith(appPath, '\\')) {
                    appPath = appPath + "\\"; 
                }
 
                // Create new app domain via App Manager 
#if FEATURE_PAL // FEATURE_PAL does not enable IIS-based hosting features
                throw new NotImplementedException("ROTORTODO"); 
#else // FEATURE_PAL

                ISAPIApplicationHost appHost = new ISAPIApplicationHost(appId, appPath, false /*validatePhysicalPath*/);
 
                ISAPIRuntime isapiRuntime = (ISAPIRuntime)_appManager.CreateObjectInternal(appId, typeof(ISAPIRuntime), appHost,
                        false /*failIfExists*/, null /*hostingParameters*/); 
 

                isapiRuntime.StartProcessing(); 

                return new ObjectHandle(isapiRuntime);
#endif // FEATURE_PAL
            } 
            catch (Exception e) {
                Debug.Trace("internal", "AppDomainFactory::Create failed with " + e.GetType().FullName + ": " + e.Message + "\r\n" + e.StackTrace); 
                throw; 
            }
        } 


        public void Stop() {
            // wait for all app domains to go away 
            _appManager.Close();
        } 
 
        internal static String ConstructSimpleAppName(string virtPath) {
            if (virtPath.Length <= 1) // root? 
                return "root";
            else
                return virtPath.Substring(1).ToLower(CultureInfo.InvariantCulture).Replace('/', '_');
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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AppDomainFactory.cs source code in C# .NET

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