mcs/class/monodoc/Monodoc/caches/FileCache.cs

   1 using System;
   2 using System.IO;
   3
   4 namespace Monodoc.Caches
   5 {
   6         public class FileCache : IDocCache
   7         {
   8                 string baseCacheDir;
   9
  10                 public FileCache (string baseCacheDir)
  11                 {
  12                         this.baseCacheDir = baseCacheDir;
  13                         if (!Directory.Exists (baseCacheDir))
  14                                 Directory.CreateDirectory (baseCacheDir);
  15                 }
  16
  17                 public bool IsCached (string id)
  18                 {
  19                         return File.Exists (MakePath (id));
  20                 }
  21
  22                 public bool CanCache (DocEntity entity)
  23                 {
  24                         return true;
  25                 }
  26
  27                 public Stream GetCachedStream (string id)
  28                 {
  29                         return File.OpenRead (MakePath (id));
  30                 }
  31
  32                 public string GetCachedString (string id)
  33                 {
  34                         return File.ReadAllText (MakePath (id));
  35                 }
  36
  37                 public void CacheText (string id, string content)
  38                 {
  39                         File.WriteAllText (MakePath (id), content);
  40                 }
  41
  42                 public void CacheText (string id, Stream stream)
  43                 {
  44                         using (var file = File.OpenWrite (MakePath (id)))
  45                                 stream.CopyTo (file);
  46                 }
  47
  48                 public void CacheBlob (string id, byte[] data)
  49                 {
  50                         File.WriteAllBytes (MakePath (id), data);
  51                 }
  52
  53                 public void CacheBlob (string id, Stream stream)
  54                 {
  55                         using (var file = File.OpenWrite (MakePath (id)))
  56                                 stream.CopyTo (file);
  57                 }
  58
  59                 string MakePath (string id)
  60                 {
  61                         id = id.Replace (Path.DirectorySeparatorChar, '_');
  62                         return Path.Combine (baseCacheDir, id);
  63                 }
  64
  65                 public void Dispose ()
  66                 {
  67                         if (!Directory.Exists (baseCacheDir))
  68                                 return;
  69
  70                         try {
  71                                 Directory.Delete (baseCacheDir, true);
  72                         } catch {}
  73                 }
  74         }
  75 }