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XmppSerializer.cs 3.5 KB

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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSimulator Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. using System;
  28. using System.Collections.Generic;
  29. using System.Xml;
  30. using System.Xml.Serialization;
  31. namespace OpenSim.Framework.Communications.XMPP
  32. {
  33. public class XmppSerializer
  34. {
  35. // private static readonly ILog _log =
  36. // LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  37. // need to do it this way, as XmlSerializer(type, extratypes)
  38. // does not work on mono (at least).
  39. private Dictionary<Type, XmlSerializer> _serializerForType = new Dictionary<Type, XmlSerializer>();
  40. private Dictionary<string, XmlSerializer> _serializerForName = new Dictionary<string, XmlSerializer>();
  41. private XmlSerializerNamespaces _xmlNs;
  42. private string _defaultNS;
  43. public XmppSerializer(bool server)
  44. {
  45. _xmlNs = new XmlSerializerNamespaces();
  46. _xmlNs.Add(String.Empty, String.Empty);
  47. if (server)
  48. _defaultNS = "jabber:server";
  49. else
  50. _defaultNS = "jabber:client";
  51. // TODO: do this via reflection
  52. _serializerForType[typeof(XmppMessageStanza)] = _serializerForName["message"] =
  53. new XmlSerializer(typeof(XmppMessageStanza), _defaultNS);
  54. }
  55. public void Serialize(XmlWriter xw, object o)
  56. {
  57. if (!_serializerForType.ContainsKey(o.GetType()))
  58. throw new ArgumentException(String.Format("no serializer available for type {0}", o.GetType()));
  59. _serializerForType[o.GetType()].Serialize(xw, o, _xmlNs);
  60. }
  61. public object Deserialize(XmlReader xr)
  62. {
  63. // position on next element
  64. xr.Read();
  65. if (!_serializerForName.ContainsKey(xr.LocalName))
  66. throw new ArgumentException(String.Format("no serializer available for name {0}", xr.LocalName));
  67. return _serializerForName[xr.LocalName].Deserialize(xr);
  68. }
  69. }
  70. }