mcs/class/Mainsoft.Web/Mainsoft.Web.Hosting/IncludeHelperServlet.cs

   1 //
   2 // Mainsoft.Web.Hosting.IncludeHelperServlet
   3 //
   4 // Authors:
   5 //      Eyal Alaluf (eyala@mainsoft.com)
   6 //
   7 // (C) 2006 Mainsoft Co. (http://www.mainsoft.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.IO;
  33 using System.Web.UI;
  34 using java.io;
  35 using javax.servlet;
  36 using javax.servlet.http;
  37 using vmw.@internal.j2ee;
  38
  39 namespace Mainsoft.Web.Hosting
  40 {
  41         public class IncludeHelperServlet : HttpServlet
  42         {
  43                 public IncludeHelperServlet()
  44                 {
  45                 }
  46
  47                 override public void init(ServletConfig config)
  48                 {
  49                         base.init(config);
  50                 }
  51
  52                 override protected void service(HttpServletRequest req, HttpServletResponse resp)
  53                 {
  54                         string servletPath = ServletIncludeUtils.getServletPath(req);
  55                         TextWriter writer = (TextWriter)ServletIncludeUtils.getTextWriter(req);
  56                         RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(servletPath);
  57                         HttpServletResponseWrapper wrapper = new AspxResponseWrapper(resp, writer);
  58                         dispatcher.include(req, wrapper);
  59                 }
  60
  61                 override public void destroy()
  62                 {
  63                         base.destroy();
  64                 }
  65
  66                 class AspxResponseWrapper : HttpServletResponseWrapper
  67                 {
  68                         public AspxResponseWrapper(HttpServletResponse resp, TextWriter writer) : base (resp)
  69                         {
  70                                 jwriter = new PrintWriter(new JavaWriterFromTextWriter(writer));
  71                         }
  72
  73                         public override PrintWriter getWriter()
  74                         {
  75                                 return jwriter;
  76                         }
  77
  78                         PrintWriter jwriter;
  79                 }
  80
  81                 public class JavaWriterFromTextWriter : Writer
  82                 {
  83                         public JavaWriterFromTextWriter(TextWriter writer)
  84                         {
  85                                 this.writer = writer;
  86                         }
  87
  88                         public override void flush()
  89                         {
  90                                 writer.Flush ();
  91                         }
  92
  93                         public override void write(char[] buffer, int offset, int count)
  94                         {
  95                                 writer.Write(buffer, offset, count);
  96                         }
  97
  98                         public override void write(String s)
  99                         {
 100                                 writer.Write(s);
 101                         }
 102
 103                         public override void write(string s, int start, int count)
 104                         {
 105                                 if (start == 0 && count == s.Length)
 106                                         writer.Write(s);
 107                                 else
 108                                         writer.Write(s.Substring(start, count));
 109                         }
 110
 111                         public override void close()
 112                         {
 113                                 // Ignore close as we don't own here the writer.
 114                         }
 115
 116                         TextWriter writer;
 117                 }
 118         }
 119 }