mcs/class/Microsoft.Build.Tasks/Microsoft.Build.Tasks/Touch.cs

   1 //
   2 // Touch.cs: Creates a new file.
   3 //
   4 // Author:
   5 //   Marek Sieradzki (marek.sieradzki@gmail.com)
   6 //
   7 // (C) 2005 Marek Sieradzki
   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 #if NET_2_0
  29
  30 using System;
  31 using System.Collections;
  32 using System.Collections.Generic;
  33 using System.IO;
  34 using Microsoft.Build.Framework;
  35 using Microsoft.Build.Utilities;
  36
  37 namespace Microsoft.Build.Tasks {
  38         public class Touch : TaskExtension {
  39                 bool            alwaysCreate;
  40                 ITaskItem[]     files;
  41                 bool            forceTouch;
  42                 DateTime        time;
  43                 ITaskItem[]     touchedFiles;
  44
  45                 public Touch ()
  46                 {
  47                         time = DateTime.Now;
  48                 }
  49
  50                 public override bool Execute ()
  51                 {
  52                         if (files.Length == 0)
  53                                 return true;
  54
  55                         bool returnBoolean = true;
  56                         List <ITaskItem> successfulFiles = new List <ITaskItem> ();
  57                         Stream stream = null;
  58
  59                         foreach (ITaskItem file in files) {
  60                                 string fullname = file.GetMetadata ("FullPath");
  61                                 try {
  62                                         if (File.Exists (file.ItemSpec)) {
  63                                                 if ((File.GetAttributes (fullname) & FileAttributes.ReadOnly) == FileAttributes.ReadOnly) {
  64                                                         if (forceTouch) {
  65                                                                 File.SetLastAccessTime (fullname, time);
  66                                                                 File.SetLastWriteTime (fullname, time);
  67                                                                 successfulFiles.Add (file);
  68                                                         }
  69                                                 } else {
  70                                                         File.SetLastAccessTime (fullname, time);
  71                                                         File.SetLastWriteTime (fullname, time);
  72                                                         successfulFiles.Add (file);
  73                                                 }
  74                                         } else if (alwaysCreate == true) {
  75                                                 stream = File.Create (fullname);
  76                                                 stream.Close ();
  77                                                 File.SetLastAccessTime (fullname, time);
  78                                                 File.SetLastWriteTime (fullname, time);
  79                                                 successfulFiles.Add (file);
  80                                         } else {
  81                                                 continue;
  82                                         }
  83
  84                                         touchedFiles = successfulFiles.ToArray ();
  85                                 }
  86                                 catch (Exception ex) {
  87                                         Log.LogErrorFromException (ex);
  88                                         returnBoolean = false;
  89                                 }
  90                         }
  91                         return returnBoolean;
  92                 }
  93
  94                 public bool AlwaysCreate {
  95                         get {
  96                                 return alwaysCreate;
  97                         }
  98                         set {
  99                                 alwaysCreate = value;
 100                         }
 101                 }
 102
 103                 [Required]
 104                 public ITaskItem[] Files {
 105                         get {
 106                                 return files;
 107                         }
 108                         set {
 109                                 files = value;
 110                         }
 111                 }
 112
 113                 public bool ForceTouch {
 114                         get {
 115                                 return forceTouch;
 116                         }
 117                         set {
 118                                 forceTouch = value;
 119                         }
 120                 }
 121
 122                 public string Time {
 123                         get {
 124                                 return time.ToString ();
 125                         }
 126                         set {
 127                                 time = DateTime.Parse (value);
 128                         }
 129                 }
 130
 131                 [Output]
 132                 public ITaskItem[] TouchedFiles {
 133                         get {
 134                                 return touchedFiles;
 135                         }
 136                         set {
 137                                 touchedFiles = value;
 138                         }
 139                 }
 140         }
 141 }
 142
 143 #endif