nunit24/ClientUtilities/util/RecentFileEntry.cs

   1 // ****************************************************************
   2 // Copyright 2007, Charlie Poole
   3 // This is free software licensed under the NUnit license. You may
   4 // obtain a copy of the license at http://nunit.org/?p=license&r=2.4
   5 // ****************************************************************
   6
   7 using System;
   8
   9 namespace NUnit.Util
  10 {
  11         public class RecentFileEntry
  12         {
  13                 public static readonly char Separator = ',';
  14
  15                 private string path;
  16
  17                 private Version clrVersion;
  18
  19                 public RecentFileEntry( string path )
  20                 {
  21                         this.path = path;
  22                         this.clrVersion = Environment.Version;
  23                 }
  24
  25                 public RecentFileEntry( string path, Version clrVersion )
  26                 {
  27                         this.path = path;
  28                         this.clrVersion = clrVersion;
  29                 }
  30
  31                 public string Path
  32                 {
  33                         get { return path; }
  34                 }
  35
  36                 public Version CLRVersion
  37                 {
  38                         get { return clrVersion; }
  39                 }
  40
  41                 public bool Exists
  42                 {
  43                         get { return path != null && System.IO.File.Exists( path ); }
  44                 }
  45
  46                 public bool IsCompatibleCLRVersion
  47                 {
  48                         get { return clrVersion.Major <= Environment.Version.Major; }
  49                 }
  50
  51                 public override string ToString()
  52                 {
  53                         return Path + Separator + CLRVersion.ToString();
  54                 }
  55
  56                 public static RecentFileEntry Parse( string text )
  57                 {
  58                         int sepIndex = text.LastIndexOf( Separator );
  59
  60                         if ( sepIndex > 0 )
  61                                 try
  62                                 {
  63                                         return new RecentFileEntry( text.Substring( 0, sepIndex ),
  64                                                 new Version( text.Substring( sepIndex + 1 ) ) );
  65                                 }
  66                                 catch
  67                                 {
  68                                         //The last part was not a version, so fall through and return the whole text
  69                                 }
  70
  71                         return new RecentFileEntry( text );
  72                 }
  73         }
  74 }