class/Microsoft.TeamFoundation.VersionControl.Client/DiffItemVersionedFile.cs

   1 //
   2 // Microsoft.TeamFoundation.VersionControl.Client.DiffItemVersionedFile
   3 //
   4 // Authors:
   5 //      Joel Reed (joelwreed@gmail.com)
   6 //
   7 // Copyright (C) 2007 Joel Reed
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Collections;
  31 using System.IO;
  32 using System.Net;
  33 using System.Text;
  34 using System.Xml;
  35 using System.Web.Services;
  36 using Microsoft.TeamFoundation.VersionControl.Common;
  37
  38 namespace Microsoft.TeamFoundation.VersionControl.Client
  39 {
  40         public sealed class DiffItemVersionedFile : IDiffItem
  41         {
  42                 private VersionControlServer versionControlServer;
  43                 private string label;
  44                 private Item item;
  45                 private VersionSpec versionSpec;
  46                 private int encoding;
  47
  48                 public DiffItemVersionedFile(Item item, VersionSpec versionSpec)
  49                         {
  50                                 this.versionControlServer = item.VersionControlServer;
  51                                 this.item = item;
  52                                 this.versionSpec = versionSpec;
  53                                 this.label = item.ServerItem;
  54                                 this.encoding = item.Encoding;
  55                         }
  56
  57                 public DiffItemVersionedFile(VersionControlServer versionControl,
  58                                                                                                                                  int itemId, int changeset, string displayPath)
  59                         {
  60                                 this.versionControlServer = versionControl;
  61                                 this.item = versionControl.GetItem(itemId, changeset);
  62                                 this.encoding = item.Encoding;
  63                                 this.label = displayPath;
  64                         }
  65
  66                 public string GetFile ()
  67                 {
  68                         // this is a quite inefficient implementation, FIXME
  69                         string tname = Path.GetTempFileName();
  70                         item.DownloadFile(tname);
  71
  72                         string file;
  73                         using (StreamReader sr = new StreamReader(tname))
  74                                 {
  75                                         file = sr.ReadToEnd();
  76                                 }
  77
  78                         File.Delete(tname);
  79
  80                         // tfs doesn't seem to be very adept at identifying binary files
  81                         // so help out a little
  82                         if (DiffItemUtil.IsBinary(file)) encoding = RepositoryConstants.EncodingBinary;
  83
  84                         return file;
  85                 }
  86
  87                 public bool IsTemporary
  88                 {
  89                         get { return true; }
  90                 }
  91
  92                 public string Label
  93                 {
  94                         get { return label; }
  95                         set { label = value; }
  96                 }
  97
  98                 public int GetEncoding()
  99                 {
 100                         return encoding;
 101                 }
 102         }
 103 }