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

   1 //
   2 // Delete.cs: Task that deletes files.
   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.Generic;
  32 using System.IO;
  33 using System.Security;
  34 using Microsoft.Build.Framework;
  35
  36 namespace Microsoft.Build.Tasks {
  37         public sealed class Delete : TaskExtension {
  38
  39                 ITaskItem []    deletedFiles;
  40                 ITaskItem []    files;
  41                 bool            treatErrorsAsWarnings;
  42
  43                 public Delete ()
  44                 {
  45                         treatErrorsAsWarnings = false;
  46                 }
  47
  48                 public override bool Execute ()
  49                 {
  50                         if (files.Length == 0)
  51                                 return true;
  52
  53                         List <ITaskItem> temporaryDeletedFiles = new List <ITaskItem> ();
  54
  55                         foreach (ITaskItem file in files) {
  56                                 string path = file.GetMetadata ("FullPath");
  57                                 if (path == null || !File.Exists (path))
  58                                         //skip
  59                                         continue;
  60
  61                                 try {
  62                                         File.Delete (path);
  63                                         Log.LogMessage (MessageImportance.Normal, "Deleting file '{0}'", path);
  64                                         temporaryDeletedFiles.Add (file);
  65                                 }
  66                                 catch (ArgumentException ex) {
  67                                         LogException (ex);
  68                                 }
  69                                 catch (DirectoryNotFoundException ex) {
  70                                         LogException (ex);
  71                                 }
  72                                 catch (SecurityException ex) {
  73                                         LogException (ex);
  74                                 }
  75                                 catch (UnauthorizedAccessException ex) {
  76                                         LogException (ex);
  77                                 }
  78                                 catch (PathTooLongException ex) {
  79                                         LogException (ex);
  80                                 }
  81                                 catch (IOException ex) {
  82                                         LogException (ex);
  83                                 }
  84                                 catch (Exception ex) {
  85                                         LogException (ex);
  86                                 }
  87                         }
  88
  89                         deletedFiles = temporaryDeletedFiles.ToArray ();
  90
  91                         return true;
  92                 }
  93
  94                 void LogException (Exception ex)
  95                 {
  96                         if (treatErrorsAsWarnings)
  97                                 Log.LogWarningFromException (ex);
  98                         else
  99                                 Log.LogErrorFromException (ex);
 100                 }
 101
 102                 [Output]
 103                 public ITaskItem [] DeletedFiles {
 104                         get { return deletedFiles; }
 105                         set { deletedFiles = value; }
 106                 }
 107
 108                 [Required]
 109                 public ITaskItem [] Files {
 110                         get { return files; }
 111                         set { files = value; }
 112                 }
 113
 114                 public bool TreatErrorsAsWarnings {
 115                         get { return treatErrorsAsWarnings; }
 116                         set { treatErrorsAsWarnings = value; }
 117                 }
 118         }
 119 }
 120
 121 #endif