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// 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.
#ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_UNPACKER_H_
#define CHROME_COMMON_EXTENSIONS_EXTENSION_UNPACKER_H_
#include <string>
#include "base/file_path.h"
class DictionaryValue;
// Implements IO for the ExtensionsService.
// TODO(aa): Extract an interface out of this for testing the frontend, once the
// frontend has significant logic to test.
class ExtensionUnpacker {
public:
explicit ExtensionUnpacker(const FilePath& extension_path)
: extension_path_(extension_path) {}
// Install the extension file at |extension_path|. Returns true on success.
// Otherwise, error_message will contain a string explaining what went wrong.
bool Run();
const std::string& error_message() { return error_message_; }
private:
// Read the manifest from the front of the extension file.
// Caller takes ownership of return value.
DictionaryValue* ReadManifest();
// Set the error message.
void SetError(const std::string& error);
// The extension to unpack.
FilePath extension_path_;
// The last error message that was set. Empty if there were no errors.
std::string error_message_;
DISALLOW_COPY_AND_ASSIGN(ExtensionUnpacker);
};
#endif // CHROME_COMMON_EXTENSIONS_EXTENSION_UNPACKER_H_
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