mcs/class/System.Web/System.Web.J2EE/BaseHttpServlet.cs

   1 //
   2 // (C) 2005 Mainsoft Corporation (http://www.mainsoft.com)
   3 //
   4
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining
   7 // a copy of this software and associated documentation files (the
   8 // "Software"), to deal in the Software without restriction, including
   9 // without limitation the rights to use, copy, modify, merge, publish,
  10 // distribute, sublicense, and/or sell copies of the Software, and to
  11 // permit persons to whom the Software is furnished to do so, subject to
  12 // the following conditions:
  13 //
  14 // The above copyright notice and this permission notice shall be
  15 // included in all copies or substantial portions of the Software.
  16 //
  17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  21 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24 //
  25
  26 #define USE_APPSERVER_THREAD
  27
  28 using System;
  29
  30 using System.Configuration;
  31 using System.Web.Configuration;
  32 using System.Threading;
  33 using System.Web.Hosting;
  34 using System.IO;
  35
  36 using javax.servlet;
  37 using javax.servlet.http;
  38 using vmw.common;
  39
  40 namespace System.Web.J2EE
  41 {
  42         public class BaseHttpServlet : HttpServlet
  43         {
  44                 //private AppDomain _servletDomain;
  45                 static LocalDataStoreSlot _servletRequestSlot = Thread.GetNamedDataSlot(J2EEConsts.SERVLET_REQUEST);
  46                 static LocalDataStoreSlot _servletResponseSlot = Thread.GetNamedDataSlot(J2EEConsts.SERVLET_RESPONSE);
  47                 static LocalDataStoreSlot _servletSlot = Thread.GetNamedDataSlot(J2EEConsts.CURRENT_SERVLET);
  48
  49                 public BaseHttpServlet()
  50                 {
  51                 }
  52
  53                 override public void init(ServletConfig config)
  54                 {
  55                         base.init(config);
  56                         InitServlet(config);
  57
  58                 }
  59
  60                 protected virtual void InitServlet(ServletConfig config)
  61                 {
  62                         try
  63                         {
  64                                 AppDomain servletDomain = createServletDomain(config);
  65                                 vmw.@internal.EnvironmentUtils.setAppDomain(servletDomain);
  66
  67                                 //GH Infromation Initizalization
  68                                 int nowInt = DateTime.Now.ToString().GetHashCode();
  69                                 servletDomain.SetData(".domainId", nowInt.ToString("x"));
  70                                 nowInt += "/".GetHashCode ();
  71                                 servletDomain.SetData(".appId", nowInt.ToString("x"));
  72                                 servletDomain.SetData(".appName", nowInt.ToString("x"));
  73
  74                                 servletDomain.SetData(J2EEConsts.CLASS_LOADER, vmw.common.TypeUtils.ToClass(this).getClassLoader());
  75                                 servletDomain.SetData(J2EEConsts.SERVLET_CONFIG, config);
  76                                 servletDomain.SetData(J2EEConsts.RESOURCE_LOADER, new vmw.@internal.j2ee.ServletResourceLoader(config.getServletContext()));
  77
  78                                 config.getServletContext().setAttribute(J2EEConsts.APP_DOMAIN, servletDomain);
  79                         }
  80                         finally
  81                         {
  82                                 vmw.@internal.EnvironmentUtils.cleanTLS();
  83                                 vmw.@internal.EnvironmentUtils.clearAppDomain();
  84                         }
  85                 }
  86
  87                 override protected void service (HttpServletRequest req, HttpServletResponse resp)
  88                 {
  89 #if !USE_APPSERVER_THREAD
  90                         // temporary workaround
  91                         PersonalServiceThread pt = new PersonalServiceThread (new PersonalServiceThread.ServiceDelegate (service2), req, resp);
  92                         pt.RunWait ();
  93                 }
  94
  95                 protected void service2(HttpServletRequest req, HttpServletResponse resp)
  96                 {
  97 #endif
  98                         try
  99                         {
 100                                 // Very important - to update Virtual Path!!!
 101                                 AppDomain servletDomain = (AppDomain)this.getServletContext().getAttribute(J2EEConsts.APP_DOMAIN);
 102                                 servletDomain.SetData(IAppDomainConfig.APP_VIRT_DIR, req.getContextPath());
 103                                 servletDomain.SetData(".hostingVirtualPath", req.getContextPath());
 104
 105                                 // Put to the TLS current AppDomain of the servlet, so anyone can use it.
 106                                 vmw.@internal.EnvironmentUtils.setAppDomain(servletDomain);
 107
 108                                 //put request to the TLS
 109                                 Thread.SetData(_servletRequestSlot, req);
 110                                 //put response to the TLS
 111                                 Thread.SetData(_servletResponseSlot, resp);
 112                                 //put the servlet object to the TLS
 113                                 Thread.SetData(_servletSlot, this);
 114
 115
 116
 117                                 resp.setHeader("X-Powered-By", "ASP.NET");
 118                                 resp.setHeader("X-AspNet-Version", "1.1.4322");
 119
 120                                 //PageMapper.LoadFileList();
 121
 122                                 resp.setContentType("text/html");
 123                                 HttpWorkerRequest gwr = new ServletWorkerRequest(this, req, resp);
 124                                 HttpRuntime.ProcessRequest(gwr);
 125                         }
 126                         finally
 127                         {
 128                                 HttpContext.Current = null;
 129                                 Thread.SetData(_servletRequestSlot, null);
 130                                 Thread.SetData(_servletResponseSlot, null);
 131                                 Thread.SetData(_servletSlot, null);
 132                                 vmw.@internal.EnvironmentUtils.clearAppDomain();
 133                                 //cleaning
 134                                 //vmw.Utils.cleanTLS(); //clean up all TLS entries for current Thread.
 135                                 //java.lang.Thread.currentThread().setContextClassLoader(null);
 136                         }
 137                 }
 138
 139                 override public void destroy()
 140                 {
 141                         try
 142                         {
 143                                 AppDomain servletDomain = (AppDomain)this.getServletContext().getAttribute(J2EEConsts.APP_DOMAIN);
 144                                 vmw.@internal.EnvironmentUtils.setAppDomain(servletDomain);
 145 #if DEBUG
 146                                 Console.WriteLine("Destroy of GhHttpServlet");
 147 #endif
 148                                 base.destroy();
 149                                 HttpRuntime.Close();
 150                                 vmw.@internal.EnvironmentUtils.cleanAllBeforeServletDestroy(this);
 151                                 this.getServletContext().removeAttribute(J2EEConsts.APP_DOMAIN);
 152                                 java.lang.Thread.currentThread().setContextClassLoader(null);
 153                         }
 154                         catch(Exception e)
 155                         {
 156 #if DEBUG
 157                                 Console.WriteLine("ERROR in Servlet Destroy {0},{1}",e.GetType(), e.Message);
 158                                 Console.WriteLine(e.StackTrace);
 159 #endif
 160                         }
 161                         finally
 162                         {
 163                                 vmw.@internal.EnvironmentUtils.clearAppDomain();
 164                         }
 165                 }
 166
 167                 private AppDomain createServletDomain(ServletConfig config)
 168                 {
 169                                 string rootPath = J2EEUtils.GetApplicationRealPath(config);
 170                                 AppDomainSetup domainSetup = new AppDomainSetup();
 171                                 string name = config.getServletName();//.getServletContextName();
 172                                 if (name == null)
 173                                         name = "GH Application";
 174                                 domainSetup.ApplicationName = name;
 175                                 domainSetup.ConfigurationFile = rootPath + "/Web.config";
 176
 177                                 AppDomain servletDomain = AppDomain.CreateDomain(name, null, domainSetup);
 178
 179
 180
 181
 182
 183                                 //servletDomain.SetData(IAppDomainConfig.APP_PHYS_DIR, J2EEUtils.GetApplicationPhysicalPath(config));
 184                                 //servletDomain.SetData(IAppDomainConfig.WEB_APP_DIR, rootPath);
 185
 186                                 servletDomain.SetData(IAppDomainConfig.APP_PHYS_DIR, J2EEUtils.GetApplicationPhysicalPath(config));
 187                                 servletDomain.SetData(IAppDomainConfig.WEB_APP_DIR, rootPath);
 188
 189                                 //Set DataDirectory substitution string (http://blogs.msdn.com/dataaccess/archive/2005/10/28/486273.aspx)
 190                                 string realPath = config.getServletContext ().getRealPath ("/");
 191                                 if (realPath == null)
 192                                         realPath = String.Empty;
 193                                 string dataDirectory = Path.Combine (realPath, "App_Data");
 194                                 dataDirectory = dataDirectory.Replace ('\\', '/');
 195
 196                                 if (dataDirectory [dataDirectory.Length - 1] != '/')
 197                                         dataDirectory += "/";
 198
 199                                 servletDomain.SetData ("DataDirectory", dataDirectory);
 200
 201                                 // The BaseDir is the full path to the physical dir of the app
 202                                 // and allows the application to modify files in the case of
 203                                 // open deployment.
 204                                 string webApp_baseDir = config.getServletContext().getRealPath("");
 205                                 if (webApp_baseDir == null || webApp_baseDir == "")
 206                                         webApp_baseDir = rootPath;
 207                                 servletDomain.SetData(IAppDomainConfig.APP_BASE_DIR , webApp_baseDir);
 208 #if DEBUG
 209                                 Console.WriteLine("Initialization of webapp " + webApp_baseDir);
 210 #endif
 211                                 // Mordechai : setting the web app deserializer object.
 212                                 servletDomain.SetData(J2EEConsts.DESERIALIZER_CONST , this.GetDeserializer());
 213                                 servletDomain.SetData(vmw.@internal.EnvironmentUtils.GH_DRIVER_UTILS_CONST, this.getDriverUtils());
 214                                 //servletDomain.SetData(".hostingVirtualPath", "/");
 215                                 //servletDomain.SetData(".hostingInstallDir", "/");
 216                                 return servletDomain;
 217                 }
 218
 219                 virtual protected vmw.@internal.io.IObjectsDeserializer GetDeserializer()
 220                 {
 221                         if (m_deseializer == null)
 222                                 m_deseializer = new GHWebDeseserializer();
 223                         return m_deseializer;
 224                 }
 225
 226                 protected vmw.@internal.io.IObjectsDeserializer m_deseializer = null;
 227                 /// Mordechai: This class comes to solve a problem in class deserialize
 228                 /// within web application. The problem is that the classloader that created
 229                 /// some user web class (for example aspx page) is not the class loader
 230                 /// that de-serialize it - thus we end with ClassDefNotFoundException.
 231                 /// To prevent this situation we delegate the serialization back the the
 232                 /// web app (which has the correct class loader...)
 233                 ///
 234
 235                 virtual protected vmw.@internal.IDriverUtils getDriverUtils()
 236                 {
 237                         //by default no driver utils, the specific servlet will override this method
 238                         return null;
 239                 }
 240         }
 241
 242         public class GHWebDeseserializer : vmw.@internal.io.IObjectsDeserializer
 243         {
 244
 245                         Object vmw.@internal.io.IObjectsDeserializer.Deserialize(java.io.ObjectInputStream stream)
 246                         {
 247                                 object obj = stream.readObject();
 248                                 return obj;
 249                         }
 250         }
 251 #if !USE_APPSERVER_THREAD
 252         public class PersonalServiceThread
 253         {
 254                 public delegate void ServiceDelegate (HttpServletRequest req, HttpServletResponse resp);
 255                 HttpServletRequest _req = null;
 256                 HttpServletResponse _resp = null;
 257                 Thread _worker = null;
 258                 ServiceDelegate _service = null;
 259
 260                 public PersonalServiceThread (ServiceDelegate service, HttpServletRequest req, HttpServletResponse resp)
 261                 {
 262                         _service = service;
 263                         _req = req;
 264                         _resp = resp;
 265
 266                         _worker = new Thread (new ThreadStart (Run));
 267                 }
 268
 269                 public void RunWait ()
 270                 {
 271                         _worker.Start ();
 272                         _worker.Join ();
 273                 }
 274
 275                 private void Run ()
 276                 {
 277                         _service(_req, _resp);
 278                 }
 279         }
 280 #endif
 281
 282 }
 283
 284 namespace System.Web.GH
 285 {
 286         public class BaseHttpServlet : System.Web.J2EE.BaseHttpServlet
 287         {
 288         }
 289
 290 }