/*
 * 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_HTTPMESSAGE_H_
#define ALIBABACLOUD_CORE_HTTPMESSAGE_H_

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

namespace AlibabaCloud
{
	class ALIBABACLOUD_CORE_EXPORT HttpMessage
	{
	private:
		struct ALIBABACLOUD_CORE_EXPORT nocaseLess
		{
			bool operator() (const std::string & s1, const std::string & s2) const;
		};
	public:
		enum KnownHeader
		{
			Accept,
			AcceptCharset,
			AcceptEncoding,
			AcceptLanguage,
			Authorization,
			Connection,
			ContentLength,
			ContentMD5,
			ContentType,
			Date,
			Host,
			Server,
			UserAgent
		};

		typedef std::string HeaderNameType;
		typedef std::string HeaderValueType;
		typedef std::map<HeaderNameType, HeaderValueType, nocaseLess> HeaderCollection;

		HttpMessage(const HttpMessage &other);
		HttpMessage(HttpMessage &&other);
		HttpMessage& operator=(const HttpMessage &other);
		HttpMessage& operator=(HttpMessage &&other);
		virtual ~HttpMessage();

		void addHeader(const HeaderNameType &name, const HeaderValueType &value);
		void addHeader(KnownHeader header, const HeaderValueType &value);
		const char* body()const;
		size_t bodySize()const;
		bool hasBody()const;
		HeaderValueType header(const HeaderNameType &name)const;
		HeaderValueType header(KnownHeader header)const;
		HeaderCollection headers()const;
		void removeHeader(const HeaderNameType &name);
		void removeHeader(KnownHeader header);
		void setBody(const char *data, size_t size);
		void setHeader(const HeaderNameType &name, const HeaderValueType &value);
		void setHeader(KnownHeader header, const std::string &value);
	protected:
		HttpMessage();
	private:
		char *body_;
		size_t bodySize_;
		HeaderCollection headers_;
	};
}
#endif // !ALIBABACLOUD_CORE_HTTPMESSAGE_H_
