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ExtensionHandler.cs 2.5 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.Text;
  30. using OpenSim.Region.OptionalModules.Scripting.Minimodule.Interfaces;
  31. namespace OpenSim.Region.OptionalModules.Scripting.Minimodule
  32. {
  33. class ExtensionHandler : IExtension
  34. {
  35. private readonly Dictionary<Type, object> m_instances;
  36. public ExtensionHandler(Dictionary<Type, object> instances)
  37. {
  38. m_instances = instances;
  39. }
  40. public T Get<T>()
  41. {
  42. return (T) m_instances[typeof (T)];
  43. }
  44. public bool TryGet<T>(out T extension)
  45. {
  46. if (!m_instances.ContainsKey(typeof(T)))
  47. {
  48. extension = default(T);
  49. return false;
  50. }
  51. extension = Get<T>();
  52. return true;
  53. }
  54. public bool Has<T>()
  55. {
  56. return m_instances.ContainsKey(typeof (T));
  57. }
  58. }
  59. }