base/files/scoped_temp_dir.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/files/scoped_temp_dir.h"
   6
   7 #include "base/files/file_util.h"
   8 #include "base/logging.h"
   9
  10 namespace base {
  11
  12 ScopedTempDir::ScopedTempDir() {
  13 }
  14
  15 ScopedTempDir::~ScopedTempDir() {
  16   if (!path_.empty() && !Delete())
  17     DLOG(WARNING) << "Could not delete temp dir in dtor.";
  18 }
  19
  20 bool ScopedTempDir::CreateUniqueTempDir() {
  21   if (!path_.empty())
  22     return false;
  23
  24   // This "scoped_dir" prefix is only used on Windows and serves as a template
  25   // for the unique name.
  26   if (!base::CreateNewTempDirectory(FILE_PATH_LITERAL("scoped_dir"), &path_))
  27     return false;
  28
  29   return true;
  30 }
  31
  32 bool ScopedTempDir::CreateUniqueTempDirUnderPath(const FilePath& base_path) {
  33   if (!path_.empty())
  34     return false;
  35
  36   // If |base_path| does not exist, create it.
  37   if (!base::CreateDirectory(base_path))
  38     return false;
  39
  40   // Create a new, uniquely named directory under |base_path|.
  41   if (!base::CreateTemporaryDirInDir(base_path,
  42                                      FILE_PATH_LITERAL("scoped_dir_"),
  43                                      &path_))
  44     return false;
  45
  46   return true;
  47 }
  48
  49 bool ScopedTempDir::Set(const FilePath& path) {
  50   if (!path_.empty())
  51     return false;
  52
  53   if (!DirectoryExists(path) && !base::CreateDirectory(path))
  54     return false;
  55
  56   path_ = path;
  57   return true;
  58 }
  59
  60 bool ScopedTempDir::Delete() {
  61   if (path_.empty())
  62     return false;
  63
  64   bool ret = base::DeleteFile(path_, true);
  65   if (ret) {
  66     // We only clear the path if deleted the directory.
  67     path_.clear();
  68   }
  69
  70   return ret;
  71 }
  72
  73 FilePath ScopedTempDir::Take() {
  74   FilePath ret = path_;
  75   path_ = FilePath();
  76   return ret;
  77 }
  78
  79 bool ScopedTempDir::IsValid() const {
  80   return !path_.empty() && DirectoryExists(path_);
  81 }
  82
  83 }  // namespace base