XmppSerializer.cs 3.6 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 OpenSim 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.IO;
  30. using System.Reflection;
  31. using System.Text;
  32. using System.Xml;
  33. using System.Xml.Serialization;
  34. using log4net;
  35. namespace OpenSim.Framework.Communications.XMPP
  36. {
  37. public class XmppSerializer
  38. {
  39. // private static readonly ILog _log =
  40. // LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  41. // need to do it this way, as XmlSerializer(type, extratypes)
  42. // does not work on mono (at least).
  43. private Dictionary<Type, XmlSerializer> _serializerForType = new Dictionary<Type, XmlSerializer>();
  44. private Dictionary<string, XmlSerializer> _serializerForName = new Dictionary<string, XmlSerializer>();
  45. private XmlSerializerNamespaces _xmlNs;
  46. private string _defaultNS;
  47. public XmppSerializer(bool server)
  48. {
  49. _xmlNs = new XmlSerializerNamespaces();
  50. _xmlNs.Add(String.Empty, String.Empty);
  51. if (server)
  52. _defaultNS = "jabber:server";
  53. else
  54. _defaultNS = "jabber:client";
  55. // TODO: do this via reflection
  56. _serializerForType[typeof(XmppMessageStanza)] = _serializerForName["message"] =
  57. new XmlSerializer(typeof(XmppMessageStanza), _defaultNS);
  58. }
  59. public void Serialize(XmlWriter xw, object o)
  60. {
  61. if (!_serializerForType.ContainsKey(o.GetType()))
  62. throw new ArgumentException(String.Format("no serializer available for type {0}", o.GetType()));
  63. _serializerForType[o.GetType()].Serialize(xw, o, _xmlNs);
  64. }
  65. public object Deserialize(XmlReader xr)
  66. {
  67. // position on next element
  68. xr.Read();
  69. if (!_serializerForName.ContainsKey(xr.LocalName))
  70. throw new ArgumentException(String.Format("no serializer available for name {0}", xr.LocalName));
  71. return _serializerForName[xr.LocalName].Deserialize(xr);
  72. }
  73. }
  74. }