/*
 * Copyright 2009-2017 Alibaba Cloud All rights reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ALIBABACLOUD_CORE_SIGNER_H_
#define ALIBABACLOUD_CORE_SIGNER_H_

#include <string>
#include "CoreExport.h"

namespace AlibabaCloud
{
	class ALIBABACLOUD_CORE_EXPORT Signer
	{
	public:
		enum Type
		{
			HmacSha1,
		};
		virtual ~Signer();

		virtual std::string generate(const std::string &src, const std::string &secret)const = 0;
		std::string name()const;
		Type type() const;
		std::string version()const;
	protected:
		Signer(Type type, const std::string &name, const std::string &version = "1.0");
	private:
		std::string name_;
		std::string version_;
		Type type_;
	};
}
#endif // !ALIBABACLOUD_CORE_SIGNER_H_
