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 using System;
  27
  28 using System.Configuration;
  29 using System.Web.Configuration;
  30 using System.Threading;
  31 using System.Web.Hosting;
  32
  33 using javax.servlet;
  34 using javax.servlet.http;
  35 using vmw.common;
  36
  37 namespace System.Web.J2EE
  38 {
  39         public class BaseHttpServlet : HttpServlet
  40         {
  41                 //private AppDomain _servletDomain;
  42                 static LocalDataStoreSlot _servletRequestSlot = Thread.GetNamedDataSlot(J2EEConsts.SERVLET_REQUEST);
  43                 static LocalDataStoreSlot _servletResponseSlot = Thread.GetNamedDataSlot(J2EEConsts.SERVLET_RESPONSE);
  44                 static LocalDataStoreSlot _servletSlot = Thread.GetNamedDataSlot(J2EEConsts.CURRENT_SERVLET);
  45
  46
  47                 public BaseHttpServlet()
  48                 {
  49                 }
  50
  51                 override public void init(ServletConfig config)
  52                 {
  53                         base.init(config);
  54                         InitServlet(config);
  55
  56                 }
  57
  58                 protected virtual void InitServlet(ServletConfig config)
  59                 {
  60                         try
  61                         {
  62                                 AppDomain servletDomain = createServletDomain(config);
  63
  64                                 //GH Infromation Initizalization
  65                                 servletDomain.SetData(J2EEConsts.CLASS_LOADER, vmw.common.TypeUtils.ToClass(this).getClassLoader());
  66                                 servletDomain.SetData(J2EEConsts.SERVLET_CONFIG, config);
  67                                 servletDomain.SetData(J2EEConsts.RESOURCE_LOADER, new vmw.@internal.j2ee.ServletResourceLoader(config.getServletContext()));
  68
  69                                 config.getServletContext().setAttribute(J2EEConsts.APP_DOMAIN, servletDomain);
  70                         }
  71                         finally
  72                         {
  73                                 vmw.@internal.EnvironmentUtils.cleanTLS();
  74                         }
  75                 }
  76
  77                 override protected void service(HttpServletRequest req, HttpServletResponse resp)
  78                 {
  79                         try
  80                         {
  81                                 // Very important - to update Virtual Path!!!
  82                                 AppDomain servletDomain = (AppDomain)this.getServletContext().getAttribute(J2EEConsts.APP_DOMAIN);
  83                                 servletDomain.SetData(IAppDomainConfig.APP_VIRT_DIR, req.getContextPath());
  84                                 servletDomain.SetData(".hostingVirtualPath", req.getContextPath());
  85                                 //put request to the TLS
  86                                 Thread.SetData(_servletRequestSlot, req);
  87                                 //put response to the TLS
  88                                 Thread.SetData(_servletResponseSlot, resp);
  89                                 //put the servlet object to the TLS
  90                                 Thread.SetData(_servletSlot, this);
  91                                 // Put to the TLS current AppDomain of the servlet, so anyone can use it.
  92                                 vmw.@internal.EnvironmentUtils.setAppDomain(servletDomain);
  93                                 resp.setHeader("X-Powered-By", "ASP.NET");
  94                                 resp.setHeader("X-AspNet-Version", "1.1.4322");
  95
  96 //                              PageMapper.LoadFileList();
  97
  98                                 resp.setContentType("text/html");
  99                                 HttpWorkerRequest gwr = new ServletWorkerRequest(this, req, resp, resp.getOutputStream());
 100                                 HttpRuntime.ProcessRequest(gwr);
 101                         }
 102                         finally
 103                         {
 104                                 HttpContext.Current = null;
 105                                 Thread.SetData(_servletRequestSlot, null);
 106                                 Thread.SetData(_servletResponseSlot, null);
 107                                 Thread.SetData(_servletSlot, null);
 108                                 vmw.@internal.EnvironmentUtils.clearAppDomain();
 109                                 //cleaning
 110                                 //vmw.Utils.cleanTLS(); //clean up all TLS entries for current Thread.
 111                                 //java.lang.Thread.currentThread().setContextClassLoader(null);
 112                         }
 113                 }
 114
 115                 override public void destroy()
 116                 {
 117                         try
 118                         {
 119                                 AppDomain servletDomain = (AppDomain)this.getServletContext().getAttribute(J2EEConsts.APP_DOMAIN);
 120                                 vmw.@internal.EnvironmentUtils.setAppDomain(servletDomain);
 121                                 Console.WriteLine("Destroy of GhHttpServlet");
 122                                 base.destroy();
 123                                 HttpRuntime.Close();
 124                                 vmw.@internal.EnvironmentUtils.cleanAllBeforeServletDestroy(this);
 125                                 this.getServletContext().removeAttribute(J2EEConsts.APP_DOMAIN);
 126                                 java.lang.Thread.currentThread().setContextClassLoader(null);
 127                         }
 128                         catch(Exception e)
 129                         {
 130                                 Console.WriteLine("ERROR in Servlet Destroy {0},{1}",e.GetType(), e.Message);
 131                                 Console.WriteLine(e.StackTrace);
 132                         }
 133                         finally
 134                         {
 135                                 vmw.@internal.EnvironmentUtils.clearAppDomain();
 136                         }
 137                 }
 138
 139                 private AppDomain createServletDomain(ServletConfig config)
 140                 {
 141                                 string rootPath = J2EEUtils.GetApplicationRealPath(config);
 142                                 AppDomainSetup domainSetup = new AppDomainSetup();
 143                                 string name = config.getServletName();//.getServletContextName();
 144                                 if (name == null)
 145                                         name = "GH Application";
 146                                 domainSetup.ApplicationName = name;
 147                                 domainSetup.ConfigurationFile = rootPath + "/Web.config";
 148
 149                                 AppDomain servletDomain = AppDomain.CreateDomain(name, null, domainSetup);
 150                                 int nowInt = DateTime.Now.ToString().GetHashCode();
 151                                 servletDomain.SetData(".domainId", nowInt.ToString("x"));
 152                                 nowInt += "/".GetHashCode ();
 153                                 servletDomain.SetData(".appId", nowInt.ToString("x"));
 154                                 servletDomain.SetData(".appName", nowInt.ToString("x"));
 155                                 //servletDomain.SetData(".appPath", "/"); - Only for Exe
 156                                 //servletDomain.SetData(".appVPath", "/"); - Only for Exe
 157
 158                                 servletDomain.SetData(IAppDomainConfig.APP_PHYS_DIR, J2EEUtils.GetApplicationPhysicalPath(config));
 159                                 servletDomain.SetData(IAppDomainConfig.WEB_APP_DIR, rootPath);
 160
 161                                 // The BaseDir is the full path to the physical dir of the app
 162                                 // and allows the application to modify files in the case of
 163                                 // open deployment.
 164                                 string webApp_baseDir = config.getServletContext().getRealPath("");
 165                                 if (webApp_baseDir == null || webApp_baseDir == "")
 166                                         webApp_baseDir = rootPath;
 167                                 servletDomain.SetData(IAppDomainConfig.APP_BASE_DIR , webApp_baseDir);
 168                                 Console.WriteLine("Initialization of webapp " + webApp_baseDir);
 169
 170                                 // Mordechai : setting the web app deserializer object.
 171                                 servletDomain.SetData(J2EEConsts.DESERIALIZER_CONST , this.GetDeserializer());
 172
 173                                 //servletDomain.SetData(".hostingVirtualPath", "/");
 174                                 servletDomain.SetData(".hostingInstallDir", "/");
 175                                 return servletDomain;
 176                 }
 177
 178                 virtual protected vmw.@internal.io.IObjectsDeserializer GetDeserializer()
 179                 {
 180                         if (m_deseializer == null)
 181                                 m_deseializer = new GHWebDeseserializer();
 182                         return m_deseializer;
 183                 }
 184
 185                 protected vmw.@internal.io.IObjectsDeserializer m_deseializer = null;
 186                 /// Mordechai: This class comes to solve a problem in class deserialize
 187                 /// within web application. The problem is that the classloader that created
 188                 /// some user web class (for example aspx page) is not the class loader
 189                 /// that de-serialize it - thus we end with ClassDefNotFoundException.
 190                 /// To prevent this situation we delegate the serialization back the the
 191                 /// web app (which has the correct class loader...)
 192         }
 193
 194         public class GHWebDeseserializer : vmw.@internal.io.IObjectsDeserializer
 195         {
 196
 197                         Object vmw.@internal.io.IObjectsDeserializer.Deserialize(java.io.ObjectInputStream stream)
 198                         {
 199                                 object obj = stream.readObject();
 200                                 return obj;
 201                         }
 202         }
 203
 204 }
 205
 206 namespace System.Web.GH
 207 {
 208         public class BaseHttpServlet : System.Web.J2EE.BaseHttpServlet
 209         {
 210         }
 211
 212 }