CookieParameter.cs 2.4 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495
  1. //
  2. // System.Web.UI.WebControls.CookieParameter
  3. //
  4. // Authors:
  5. // Ben Maurer ([email protected])
  6. //
  7. // (C) 2003 Ben Maurer
  8. //
  9. //
  10. // Permission is hereby granted, free of charge, to any person obtaining
  11. // a copy of this software and associated documentation files (the
  12. // "Software"), to deal in the Software without restriction, including
  13. // without limitation the rights to use, copy, modify, merge, publish,
  14. // distribute, sublicense, and/or sell copies of the Software, and to
  15. // permit persons to whom the Software is furnished to do so, subject to
  16. // the following conditions:
  17. //
  18. // The above copyright notice and this permission notice shall be
  19. // included in all copies or substantial portions of the Software.
  20. //
  21. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28. //
  29. #if NET_2_0
  30. using System.Collections;
  31. using System.Collections.Specialized;
  32. using System.Text;
  33. namespace System.Web.UI.WebControls {
  34. public class CookieParameter : Parameter {
  35. public CookieParameter () : base ()
  36. {
  37. }
  38. protected CookieParameter (CookieParameter original) : base (original)
  39. {
  40. this.CookieName = original.CookieName;
  41. }
  42. public CookieParameter (string name, string cookieName) : base (name)
  43. {
  44. CookieName = cookieName;
  45. }
  46. public CookieParameter (string name, TypeCode type, string cookieName) : base (name, type)
  47. {
  48. CookieName = cookieName;
  49. }
  50. protected override Parameter Clone()
  51. {
  52. return new CookieParameter (this);
  53. }
  54. protected override object Evaluate (Control control)
  55. {
  56. if (control == null || control.Page == null || control.Page.Request == null)
  57. return null;
  58. HttpCookie c = control.Page.Request.Cookies [CookieName];
  59. if (c == null)
  60. return null;
  61. return c.Value;
  62. }
  63. public string CookieName {
  64. get {
  65. string s = ViewState ["CookieName"] as string;
  66. if (s != null)
  67. return s;
  68. return "";
  69. }
  70. set {
  71. if (CookieName != value) {
  72. ViewState ["CookieName"] = value;
  73. OnParameterChanged ();
  74. }
  75. }
  76. }
  77. }
  78. }
  79. #endif