Add ScopedTempDir - a class that manages the lifetime of a temporary director...

base/scoped_temp_dir.cc

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/scoped_temp_dir.h"
+
+#include "base/file_util.h"
+#include "base/logging.h"
+#include "base/string_util.h"
+
+ScopedTempDir::ScopedTempDir() {
+}
+
+ScopedTempDir::~ScopedTempDir() {
+  if (!path_.empty() && !file_util::Delete(path_, true))
+    LOG(ERROR) << "ScopedTempDir unable to delete " << path_.value();
+}
+
+bool ScopedTempDir::CreateUniqueTempDir() {
+  // This "scoped_dir" prefix is only used on Windows and serves as a template
+  // for the unique name.
+  if (!file_util::CreateNewTempDirectory(FILE_PATH_LITERAL("scoped_dir"),
+                                         &path_))
+    return false;
+
+  return true;
+}
+
+bool ScopedTempDir::Set(const FilePath& path) {
+  DCHECK(path_.empty());
+  if (!file_util::DirectoryExists(path) && 
+      !file_util::CreateDirectory(path)) {
+    return false;
+  }
+  path_ = path;
+  return true;
+}
+
+FilePath ScopedTempDir::Take() {
+  FilePath ret = path_;
+  path_ = FilePath();
+  return ret;
+}
+
+bool ScopedTempDir::IsValid() const {
+  return !path_.empty() && file_util::DirectoryExists(path_);
+}
+