code.grnet.gr Git - pithos-ms-client/blob - trunk/Pithos.Interfaces/ObjectInfo.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Globalization;
   4 using System.IO;
   5
   6 namespace Pithos.Interfaces
   7 {
   8     public class ObjectInfo
   9     {
  10         public string Name { get; set; }
  11         public string Hash { get; set; }
  12         public long Bytes { get; set; }
  13         public string Content_Type { get; set; }
  14         public DateTime Last_Modified { get; set; }
  15
  16         private Dictionary<string, string> _tags=new Dictionary<string, string>();
  17         public Dictionary<string, string> Tags
  18         {
  19             get { return _tags; }
  20             set { _tags = value; }
  21         }
  22
  23         private Dictionary<string, string> _extensions=new Dictionary<string, string>();
  24         public Dictionary<string, string> Extensions
  25         {
  26             get { return _extensions; }
  27             set
  28             {
  29                 _extensions = value;
  30                 ExtractKnownExtensions();
  31             }
  32         }
  33
  34         public long? Version { get; set; }
  35         public DateTime? VersionTimeStamp { get; set; }
  36
  37         public Stream Stream { get; set; }
  38
  39
  40         private void ExtractKnownExtensions()
  41         {
  42             Version=GetLong("X-Object-Version");
  43             VersionTimeStamp = GetTimestamp("X-Object-Version-TimeStamp");
  44         }
  45
  46         private long? GetLong(string name)
  47         {
  48             string version;
  49             long value;
  50             if (_extensions.TryGetValue(name, out version) && long.TryParse(version, out value))
  51             {
  52                 return value;
  53             }
  54             return null;
  55         }
  56
  57         private DateTime? GetTimestamp(string name)
  58         {
  59             string version;
  60             DateTime value;
  61             if (_extensions.TryGetValue(name, out version) &&
  62                 DateTime.TryParse(version,CultureInfo.InvariantCulture,DateTimeStyles.AdjustToUniversal, out value))
  63             {
  64                 return value;
  65             }
  66             return null;
  67         }
  68
  69
  70         public static ObjectInfo Empty = new ObjectInfo
  71         {
  72             Name = String.Empty,
  73             Hash = String.Empty,
  74             Bytes = 0,
  75             Content_Type = String.Empty,
  76             Last_Modified = DateTime.MinValue
  77         };
  78     }
  79 }