FileOperationChecker.h

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/*
 * This class provides a set of functions that check if a file/directory
 * is good to read/write.
 *
 * The rational is recorded in this post:
 * https://github.com/NCAR/VAPOR/wiki/Robust-File-Operations-with-VAPOR-and-Qt
 *
 */
 
#ifndef FILEOPERATIONCHECKER_H
#define FILEOPERATIONCHECKER_H
 
#include <QString>
 
class FileOperationChecker {
public:
    static bool    DirectoryGoodToRead(const QString &filename);
    static bool    FileGoodToRead(const QString &filename);
    static bool    FileGoodToWrite(const QString &filename);
    static bool    FileHasCorrectSuffix(const QString &filename, const QString &expectedSuffix);
    static QString GetLastErrorMessage();
 
private:
    static QString _message;
};
 
#endif