StorageManager.h

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#ifndef STORAGE_MANAGER_H
#define STORAGE_MANAGER_H

#include <string>
#include <list>
#include <exception>

#include <SystemHelper.h>

class StorageManagerException: public std::exception {
public:
    StorageManagerException(const std::string & _message);
    ~StorageManagerException() throw();
    virtual const char* what() const throw();
private:
    std::string message;
};

class NoStorageLocationGiven: public StorageManagerException {
public:
    NoStorageLocationGiven();
    ~NoStorageLocationGiven() throw();
};

class NoSpaceLeftOnStorage: public StorageManagerException {
public:
    NoSpaceLeftOnStorage();
    ~NoSpaceLeftOnStorage() throw();
};

class StorageManager {
public:
    StorageManager(double minFreeThreshold_ = .05);
    void addStorageLocation(const std::string & path);
    std::string getPreferredStorageLocation();
private:
    std::list<std::string> storageLocations;
    SystemHelper systemHelper;

    std::list<std::string>::iterator currentLocation;
    double minFreeThreshold;
};

#endif /* STORAGE_MANAGER_H */