mcs/class/Novell.Directory.Ldap/Novell.Directory.Ldap/LdapModifyRequest.cs

   1 /******************************************************************************
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   3 * Copyright (c) 2003 Novell Inc.  www.novell.com
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  10 * furnished to do so, subject to the following conditions:
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  12 * The above copyright notice and this permission notice shall be included in
  13 * all copies or substantial portions of the Software.
  14 *
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  22 *******************************************************************************/
  23 //
  24 // Novell.Directory.Ldap.LdapModifyRequest.cs
  25 //
  26 // Author:
  27 //   Sunil Kumar (Sunilk@novell.com)
  28 //
  29 // (C) 2003 Novell, Inc (http://www.novell.com)
  30 //
  31
  32 using System;
  33 using Novell.Directory.Ldap.Asn1;
  34 using Novell.Directory.Ldap.Rfc2251;
  35
  36 namespace Novell.Directory.Ldap
  37 {
  38
  39         /// <summary> Modification Request.
  40         ///
  41         /// </summary>
  42         /// <seealso cref="LdapConnection.SendRequest">
  43         /// </seealso>
  44    /*
  45         *       ModifyRequest ::= [APPLICATION 6] SEQUENCE {
  46         *               object          LdapDN,
  47         *               modification    SEQUENCE OF SEQUENCE {
  48         *                       operation       ENUMERATED {
  49         *                                               add     (0),
  50         *                                               delete  (1),
  51         *                                               replace (2) },
  52         *                       modification    AttributeTypeAndValues } }
  53         */
  54         public class LdapModifyRequest:LdapMessage
  55         {
  56                 /// <summary> Returns of the dn of the entry to modify in the directory
  57                 ///
  58                 /// </summary>
  59                 /// <returns> the dn of the entry to modify
  60                 /// </returns>
  61                 virtual public System.String DN
  62                 {
  63                         get
  64                         {
  65                                 return Asn1Object.RequestDN;
  66                         }
  67
  68                 }
  69                 /// <summary> Constructs the modifications associated with this request
  70                 ///
  71                 /// </summary>
  72                 /// <returns> an array of LdapModification objects
  73                 /// </returns>
  74                 virtual public LdapModification[] Modifications
  75                 {
  76                         get
  77                         {
  78                                 // Get the RFC request object for this request
  79                                 RfcModifyRequest req = (RfcModifyRequest) Asn1Object.getRequest();
  80                                 // get beginning sequenceOf modifications
  81                                 Asn1SequenceOf seqof = req.Modifications;
  82                                 Asn1Object[] mods = seqof.toArray();
  83                                 LdapModification[] modifications = new LdapModification[mods.Length];
  84                                 // Process each modification
  85                                 for (int m = 0; m < mods.Length; m++)
  86                                 {
  87                                         // Each modification consists of a mod type and a sequence
  88                                         // containing the attr name and a set of values
  89                                         Asn1Sequence opSeq = (Asn1Sequence) mods[m];
  90                                         if (opSeq.size() != 2)
  91                                         {
  92                                                 throw new System.SystemException("LdapModifyRequest: modification " + m + " is wrong size: " + opSeq.size());
  93                                         }
  94                                         // Contains operation and sequence for the attribute
  95                                         Asn1Object[] opArray = opSeq.toArray();
  96                                         Asn1Enumerated asn1op = (Asn1Enumerated) opArray[0];
  97                                         // get the operation
  98                                         int op = asn1op.intValue();
  99                                         Asn1Sequence attrSeq = (Asn1Sequence) opArray[1];
 100                                         Asn1Object[] attrArray = attrSeq.toArray();
 101                                         RfcAttributeDescription aname = (RfcAttributeDescription) attrArray[0];
 102                                         System.String name = aname.stringValue();
 103                                         Asn1SetOf avalue = (Asn1SetOf) attrArray[1];
 104                                         Asn1Object[] valueArray = avalue.toArray();
 105                                         LdapAttribute attr = new LdapAttribute(name);
 106
 107                                         for (int v = 0; v < valueArray.Length; v++)
 108                                         {
 109                                                 RfcAttributeValue rfcV = (RfcAttributeValue) valueArray[v];
 110                                                 attr.addValue(rfcV.byteValue());
 111                                         }
 112
 113                                         modifications[m] = new LdapModification(op, attr);
 114                                 }
 115                                 return modifications;
 116                         }
 117
 118                 }
 119                 /// <summary> Constructs an Ldap Modify request.
 120                 ///
 121                 /// </summary>
 122                 /// <param name="dn">        The distinguished name of the entry to modify.
 123                 ///
 124                 /// </param>
 125                 /// <param name="mods">      The changes to be made to the entry.
 126                 ///
 127                 /// </param>
 128                 /// <param name="cont">       Any controls that apply to the modify request,
 129                 /// or null if none.
 130                 /// </param>
 131                 public LdapModifyRequest(System.String dn, LdapModification[] mods, LdapControl[] cont):base(LdapMessage.MODIFY_REQUEST, new RfcModifyRequest(new RfcLdapDN(dn), encodeModifications(mods)), cont)
 132                 {
 133                         return ;
 134                 }
 135
 136                 /// <summary> Encode an array of LdapModifications to ASN.1.
 137                 ///
 138                 /// </summary>
 139                 /// <param name="mods">an array of LdapModification objects
 140                 ///
 141                 /// </param>
 142                 /// <returns> an Asn1SequenceOf object containing the modifications.
 143                 /// </returns>
 144                 static private Asn1SequenceOf encodeModifications(LdapModification[] mods)
 145                 {
 146                         // Convert Java-API LdapModification[] to RFC2251 SEQUENCE OF SEQUENCE
 147                         Asn1SequenceOf rfcMods = new Asn1SequenceOf(mods.Length);
 148                         for (int i = 0; i < mods.Length; i++)
 149                         {
 150                                 LdapAttribute attr = mods[i].Attribute;
 151
 152                                 // place modification attribute values in Asn1SetOf
 153                                 Asn1SetOf vals = new Asn1SetOf(attr.size());
 154                                 if (attr.size() > 0)
 155                                 {
 156                                         System.Collections.IEnumerator attrEnum = attr.ByteValues;
 157                                         while (attrEnum.MoveNext())
 158                                         {
 159                                                 vals.add(new RfcAttributeValue((sbyte[]) attrEnum.Current));
 160                                         }
 161                                 }
 162
 163                                 // create SEQUENCE containing mod operation and attr type and vals
 164                                 Asn1Sequence rfcMod = new Asn1Sequence(2);
 165                                 rfcMod.add(new Asn1Enumerated(mods[i].Op));
 166                                 rfcMod.add(new RfcAttributeTypeAndValues(new RfcAttributeDescription(attr.Name), vals));
 167
 168                                 // place SEQUENCE into SEQUENCE OF
 169                                 rfcMods.add(rfcMod);
 170                         }
 171                         return rfcMods;
 172                 }
 173
 174                 /// <summary> Return an Asn1 representation of this modify request
 175                 ///
 176                 /// #return an Asn1 representation of this object
 177                 /// </summary>
 178                 public override System.String ToString()
 179                 {
 180                         return Asn1Object.ToString();
 181                 }
 182         }
 183 }