mcs/class/Novell.Directory.Ldap/Novell.Directory.Ldap.Utilclass/ExtResponseFactory.cs

   1
   2 using System;
   3 using Novell.Directory.Ldap;
   4 using Novell.Directory.Ldap.Extensions;
   5 using Novell.Directory.Ldap.Rfc2251;
   6
   7
   8 namespace Novell.Directory.Ldap.Utilclass
   9 {
  10
  11         /// <summary>
  12         /// Takes an LdapExtendedResponse and returns an object
  13         /// (that implements the base class ParsedExtendedResponse)
  14         /// based on the OID.
  15         ///
  16         /// <p>You can then call methods defined in the child
  17         /// class to parse the contents of the response.  The methods available
  18         /// depend on the child class. All child classes inherit from the
  19         /// ParsedExtendedResponse.</p>
  20         ///
  21         /// </summary>
  22         public class ExtResponseFactory
  23         {
  24
  25                 /// <summary> Used to Convert an RfcLdapMessage object to the appropriate
  26                 /// LdapExtendedResponse object depending on the operation being performed.
  27                 ///
  28                 /// </summary>
  29                 /// <param name="inResponse">  The LdapExtendedReponse object as returned by the
  30                 /// extendedOperation method in the LdapConnection object.
  31                 /// </param>
  32                 /// <returns> An object of base class LdapExtendedResponse.  The actual child
  33                 /// class of this returned object depends on the operation being
  34                 /// performed.
  35                 /// </returns>
  36
  37                 static public LdapExtendedResponse convertToExtendedResponse(RfcLdapMessage inResponse)
  38                 {
  39
  40                         LdapExtendedResponse tempResponse = new LdapExtendedResponse(inResponse);
  41                         // Get the oid stored in the Extended response
  42                         System.String inOID = tempResponse.ID;
  43
  44                         RespExtensionSet regExtResponses = LdapExtendedResponse.RegisteredResponses;
  45                         try
  46                         {
  47                                 System.Type extRespClass = regExtResponses.findResponseExtension(inOID);
  48                                 if (extRespClass == null)
  49                                 {
  50                                         return tempResponse;
  51                                 }
  52                                 System.Type[] argsClass = new System.Type[]{typeof(RfcLdapMessage)};
  53                                 System.Object[] args = new System.Object[]{inResponse};
  54                                 System.Exception ex;
  55                                 try
  56                                 {
  57                                         System.Reflection.ConstructorInfo extConstructor = extRespClass.GetConstructor(argsClass);
  58                                         try
  59                                         {
  60                                                 System.Object resp = null;
  61                                                 resp = extConstructor.Invoke(args);
  62                                                 return (LdapExtendedResponse) resp;
  63                                         }
  64                                         catch (System.UnauthorizedAccessException e)
  65                                         {
  66                                                 ex = e;
  67                                         }
  68                                         catch (System.Reflection.TargetInvocationException e)
  69                                         {
  70                                                 ex = e;
  71                                         }
  72                                         catch (System.Exception e)
  73                                         {
  74                                                 // Could not create the ResponseControl object
  75                                                 // All possible exceptions are ignored. We fall through
  76                                                 // and create a default LdapControl object
  77                                                 ex = e;
  78                                         }
  79                                 }
  80                                 catch (System.MethodAccessException e)
  81                                 {
  82                                         // bad class was specified, fall through and return a
  83                                         // default  LdapExtendedResponse object
  84                                         ex = e;
  85                                 }
  86                         }
  87                         catch (System.FieldAccessException e)
  88                         {
  89                         }
  90                         // If we get here we did not have a registered extendedresponse
  91                         // for this oid.  Return a default LdapExtendedResponse object.
  92                         return tempResponse;
  93                 }
  94         }
  95 }