mcs/class/System/System.Net.Cache/HttpRequestCachePolicy.cs

   1 //
   2 // System.Net.Cache.HttpRequestCachePolicy.cs
   3 //
   4 // Authors:
   5 //      Tim Coleman (tim@timcoleman.com)
   6 //
   7 // Copyright (C) Tim Coleman, 2004
   8 // (c) 2004 Novell, Inc. (http://www.novell.com)
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System;
  33
  34 namespace System.Net.Cache
  35 {
  36         public class HttpRequestCachePolicy : RequestCachePolicy
  37         {
  38                 #region Fields
  39
  40                 DateTime cacheSyncDate;
  41                 HttpRequestCacheLevel level = HttpRequestCacheLevel.Default;
  42                 TimeSpan maxAge;
  43                 TimeSpan maxStale;
  44                 TimeSpan minFresh;
  45
  46                 #endregion // Fields
  47
  48                 #region Constructors
  49
  50                 public HttpRequestCachePolicy ()
  51                 {
  52                 }
  53
  54                 public HttpRequestCachePolicy (DateTime cacheSyncDate)
  55                 {
  56                         this.cacheSyncDate = cacheSyncDate;
  57                 }
  58
  59                 public HttpRequestCachePolicy (HttpRequestCacheLevel level)
  60                 {
  61                         this.level = level;
  62                 }
  63
  64                 public HttpRequestCachePolicy (HttpCacheAgeControl cacheAgeControl, TimeSpan ageOrFreshOrStale)
  65                 {
  66                         switch (cacheAgeControl) {
  67                         case HttpCacheAgeControl.MaxAge:
  68                                 maxAge = ageOrFreshOrStale;
  69                                 break;
  70                         case HttpCacheAgeControl.MaxStale:
  71                                 maxStale = ageOrFreshOrStale;
  72                                 break;
  73                         case HttpCacheAgeControl.MinFresh:
  74                                 minFresh = ageOrFreshOrStale;
  75                                 break;
  76                         default:
  77                                 throw new ArgumentException ("ageOrFreshOrStale");
  78                         }
  79                 }
  80
  81                 public HttpRequestCachePolicy (HttpCacheAgeControl cacheAgeControl, TimeSpan maxAge, TimeSpan freshOrStale)
  82                 {
  83                         this.maxAge = maxAge;
  84
  85                         switch (cacheAgeControl) {
  86                         case HttpCacheAgeControl.MaxStale:
  87                                 maxStale = freshOrStale;
  88                                 break;
  89                         case HttpCacheAgeControl.MinFresh:
  90                                 minFresh = freshOrStale;
  91                                 break;
  92                         default:
  93                                 throw new ArgumentException ("freshOrStale");
  94                         }
  95                 }
  96
  97                 public HttpRequestCachePolicy (HttpCacheAgeControl cacheAgeControl, TimeSpan maxAge, TimeSpan freshOrStale, DateTime cacheSyncDate)
  98                         : this (cacheAgeControl, maxAge, freshOrStale)
  99                 {
 100                         this.cacheSyncDate = cacheSyncDate;
 101                 }
 102
 103                 #endregion // Constructors
 104
 105                 #region Properties
 106
 107                 public DateTime CacheSyncDate {
 108                         get { return cacheSyncDate; }
 109                 }
 110
 111                 public new HttpRequestCacheLevel Level {
 112                         get { return level; }
 113                 }
 114
 115                 public TimeSpan MaxAge {
 116                         get { return maxAge; }
 117                 }
 118
 119                 public TimeSpan MaxStale {
 120                         get { return maxStale; }
 121                 }
 122
 123                 public TimeSpan MinFresh {
 124                         get { return minFresh; }
 125                 }
 126
 127                 #endregion // Properties
 128
 129                 #region Methods
 130
 131                 [MonoTODO]
 132                 public override string ToString ()
 133                 {
 134                         throw new NotImplementedException ();
 135                 }
 136
 137                 #endregion // Methods
 138         }
 139 }
 140