Preference.h

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#ifndef Preference_h
#define Preference_h

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

namespace Isis {
  class Application;

  class Preference : public Pvl {

    public:
      void Load(const QString &file);

      inline bool IsUnitTest() {
        return p_unitTest;
      }

      static Preference &Preferences(bool unitTest = false);

    private:
      Preference();

      ~Preference() {};

      Preference(const Preference &p);
      Preference &operator=(const Preference &p);

      static Preference *p_preference;   
      static bool p_unitTest;            
      static void Shutdown();
  };
};

#endif