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      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 const FilePath& ScopedTempDir::GetPath() const {
     80   DCHECK(!path_.empty()) << "Did you call CreateUniqueTempDir* before?";
     81   return path_;
     82 }
     83 
     84 bool ScopedTempDir::IsValid() const {
     85   return !path_.empty() && DirectoryExists(path_);
     86 }
     87 
     88 }  // namespace base
     89