#pragma once

class FileReader;

#include <string>

class FileStrategy {
protected:
	virtual void open(const std::string url) = 0;
public:
	virtual void close() = 0;
	virtual const std::string read() = 0;

public:
	virtual ~FileStrategy() = default;

protected:
	FileStrategy() = default;
	virtual FileStrategy * clone() const = 0;

protected:
	FileStrategy(const std::string protocol);
	friend FileReader;
};