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 #if NET_2_0
  33
  34 using System;
  35
  36 namespace System.Net.Cache
  37 {
  38         public sealed class HttpRequestCachePolicy : RequestCachePolicy
  39         {
  40                 #region Fields
  41
  42                 DateTime cacheSyncDate;
  43                 HttpRequestCacheLevel level = HttpRequestCacheLevel.Default;
  44                 TimeSpan maxAge;
  45                 TimeSpan maxStale;
  46                 TimeSpan minFresh;
  47
  48                 #endregion // Fields
  49
  50                 #region Constructors
  51
  52                 public HttpRequestCachePolicy ()
  53                 {
  54                 }
  55
  56                 public HttpRequestCachePolicy (DateTime cacheSyncDate)
  57                 {
  58                         this.cacheSyncDate = cacheSyncDate;
  59                 }
  60
  61                 public HttpRequestCachePolicy (HttpRequestCacheLevel level)
  62                 {
  63                         this.level = level;
  64                 }
  65
  66                 public HttpRequestCachePolicy (HttpCacheAgeControl cacheAgeControl, TimeSpan ageOrFreshOrStale)
  67                 {
  68                         switch (cacheAgeControl) {
  69                         case HttpCacheAgeControl.MaxAge:
  70                                 maxAge = ageOrFreshOrStale;
  71                                 break;
  72                         case HttpCacheAgeControl.MaxStale:
  73                                 maxStale = ageOrFreshOrStale;
  74                                 break;
  75                         case HttpCacheAgeControl.MinFresh:
  76                                 minFresh = ageOrFreshOrStale;
  77                                 break;
  78                         default:
  79                                 throw new ArgumentException ("ageOrFreshOrStale");
  80                         }
  81                 }
  82
  83                 public HttpRequestCachePolicy (HttpCacheAgeControl cacheAgeControl, TimeSpan maxAge, TimeSpan freshOrStale)
  84                 {
  85                         this.maxAge = maxAge;
  86
  87                         switch (cacheAgeControl) {
  88                         case HttpCacheAgeControl.MaxStale:
  89                                 maxStale = freshOrStale;
  90                                 break;
  91                         case HttpCacheAgeControl.MinFresh:
  92                                 minFresh = freshOrStale;
  93                                 break;
  94                         default:
  95                                 throw new ArgumentException ("freshOrStale");
  96                         }
  97                 }
  98
  99                 public HttpRequestCachePolicy (HttpCacheAgeControl cacheAgeControl, TimeSpan maxAge, TimeSpan freshOrStale, DateTime cacheSyncDate)
 100                         : this (cacheAgeControl, maxAge, freshOrStale)
 101                 {
 102                         this.cacheSyncDate = cacheSyncDate;
 103                 }
 104
 105                 #endregion // Constructors
 106
 107                 #region Properties
 108
 109                 public DateTime CacheSyncDate {
 110                         get { return cacheSyncDate; }
 111                 }
 112
 113                 public new HttpRequestCacheLevel Level {
 114                         get { return level; }
 115                 }
 116
 117                 public TimeSpan MaxAge {
 118                         get { return maxAge; }
 119                 }
 120
 121                 public TimeSpan MaxStale {
 122                         get { return maxStale; }
 123                 }
 124
 125                 public TimeSpan MinFresh {
 126                         get { return minFresh; }
 127                 }
 128
 129                 #endregion // Properties
 130
 131                 #region Methods
 132
 133                 [MonoTODO]
 134                 public override string ToString ()
 135                 {
 136                         throw new NotImplementedException ();
 137                 }
 138
 139                 #endregion // Methods
 140         }
 141 }
 142
 143 #endif