mcs/class/Microsoft.Web.Services/Microsoft.Web.Services.Diagnostics/TraceFilter.cs

   1 //
   2 // TraceFilter.cs: Internal generic (Input/Output) trace filter
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 using System;
  11 using System.IO;
  12 using System.Reflection;
  13 using System.Xml;
  14
  15 namespace Microsoft.Web.Services.Diagnostics {
  16
  17         internal class TraceFilter {
  18
  19                 public static string GetCompleteFilename (string filename)
  20                 {
  21                         return AppDomain.CurrentDomain.BaseDirectory + Path.DirectorySeparatorChar + filename;
  22                 }
  23
  24                 public static void WriteEnvelope (string filename, SoapEnvelope envelope)
  25                 {
  26                         if (envelope == null)
  27                                 throw new ArgumentNullException ("envelope");
  28
  29                         FileStream fs = null;
  30                         XmlDocument log = null;
  31                         try {
  32                                 // load and lock xml document
  33                                 if (!File.Exists (filename)) {
  34                                         fs = File.Open (filename, FileMode.Create, FileAccess.Write, FileShare.Read);
  35                                         log = new XmlDocument ();
  36                                         log.LoadXml (String.Format ("<?xml version=\"1.0\" encoding=\"utf-8\"?>{0}<log/>", Environment.NewLine));
  37                                 }
  38                                 else {
  39                                         fs = File.Open (filename, FileMode.Open, FileAccess.ReadWrite, FileShare.Read);
  40                                         log = new XmlDocument ();
  41                                         log.Load (fs);
  42                                 }
  43                                 // add new entry
  44                                 XmlNode xn = log.ImportNode (envelope.DocumentElement, true);
  45                                 log.DocumentElement.AppendChild (xn);
  46                                 fs.Position = 0;
  47                                 log.Save (fs);
  48                         }
  49                         finally {
  50                                 fs.Close ();
  51                         }
  52                 }
  53         }
  54 }