mcs/class/Microsoft.Web.Services/Microsoft.Web.Services/Pipeline.cs

   1 //
   2 // Pipeline.cs: Soap Filter Pipeline
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 using System;
  11 using Microsoft.Web.Services.Configuration;
  12
  13 namespace Microsoft.Web.Services {
  14
  15         // Reference:
  16         // 1.   Inside the Web Services Enhancements Pipeline
  17         //      http://msdn.microsoft.com/library/en-us/dnwebsrv/html/insidewsepipe.asp
  18
  19         public class Pipeline {
  20
  21                 private SoapInputFilterCollection input;
  22                 private SoapOutputFilterCollection output;
  23
  24                 public Pipeline()
  25                 {
  26                         // set to defaults
  27                         input = (SoapInputFilterCollection) WebServicesConfiguration.FilterConfiguration.InputFilters.Clone ();
  28                         output = (SoapOutputFilterCollection) WebServicesConfiguration.FilterConfiguration.OutputFilters.Clone ();
  29                 }
  30
  31                 public Pipeline (Pipeline pipeline)
  32                 {
  33                         if (pipeline == null)
  34                                 throw new ArgumentNullException ("pipeline");
  35                         input = (SoapInputFilterCollection) pipeline.InputFilters.Clone ();
  36                         output = (SoapOutputFilterCollection) pipeline.OutputFilters.Clone ();
  37                 }
  38
  39                 public Pipeline (SoapInputFilterCollection inputFilters, SoapOutputFilterCollection outputFilters)
  40                 {
  41                         if (inputFilters == null)
  42                                 throw new ArgumentNullException ("inputFilters");
  43                         if (outputFilters == null)
  44                                 throw new ArgumentNullException ("outputFilters");
  45                         input = (SoapInputFilterCollection) inputFilters.Clone ();
  46                         output = (SoapOutputFilterCollection) outputFilters.Clone ();
  47                 }
  48
  49                 public SoapInputFilterCollection InputFilters {
  50                         get { return input; }
  51                 }
  52
  53                 public SoapOutputFilterCollection OutputFilters {
  54                         get { return output; }
  55                 }
  56
  57                 public void ProcessInputMessage (SoapEnvelope envelope)
  58                 {
  59                         // in normal order
  60                         for (int x=0; x < input.Count; x++)
  61                                 input [x].ProcessMessage (envelope);
  62                 }
  63
  64                 public void ProcessOutputMessage (SoapEnvelope envelope)
  65                 {
  66                         // in reverse order - see reference [1]
  67                         for (int x=output.Count - 1; x >= 0; x--)
  68                                 output [x].ProcessMessage (envelope);
  69                 }
  70         }
  71 }