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

   1 //
   2 // WriteLineToFile.cs: Writes lines to 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
  29 using System;
  30 using System.Collections;
  31 using System.IO;
  32 using Microsoft.Build.Framework;
  33 using Microsoft.Build.Utilities;
  34
  35 namespace Microsoft.Build.Tasks {
  36         public class WriteLinesToFile : TaskExtension {
  37
  38                 ITaskItem       file;
  39                 ITaskItem[]     lines;
  40                 bool            overwrite;
  41
  42                 StreamWriter    streamWriter;
  43
  44                 public WriteLinesToFile ()
  45                 {
  46                 }
  47
  48                 public override bool Execute ()
  49                 {
  50                         try {
  51                                 string fullpath = file.GetMetadata ("FullPath");
  52                                 if (lines == null && overwrite) {
  53                                         System.IO.File.Delete (fullpath);
  54                                         return true;
  55                                 }
  56
  57                                 using (streamWriter = new StreamWriter (fullpath, !overwrite)) {
  58                                         if (lines != null)
  59                                                 foreach (ITaskItem line in lines)
  60                                                         streamWriter.WriteLine (line);
  61                                 }
  62
  63                                 return true;
  64                         }
  65                         catch (Exception ex) {
  66                                 Log.LogErrorFromException (ex);
  67                                 return false;
  68                         }
  69                         finally {
  70                                 if (streamWriter != null)
  71                                         streamWriter.Close ();
  72                         }
  73                 }
  74
  75                 [Required]
  76                 public ITaskItem File {
  77                         get { return file; }
  78                         set { file = value; }
  79                 }
  80
  81                 public ITaskItem[] Lines {
  82                         get { return lines; }
  83                         set { lines  = value; }
  84                 }
  85
  86                 public bool Overwrite {
  87                         get { return overwrite; }
  88                         set { overwrite = value; }
  89                 }
  90         }
  91 }
  92