Mercurial > hg > svcore
view data/fileio/CachedFile.h @ 738:547b03533375 dataquay
Some exception handling
author | Chris Cannam |
---|---|
date | Fri, 25 May 2012 14:57:14 +0100 (2012-05-25) |
parents | b99dc5465b80 |
children | ad5f892c0c4d |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2008 QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef _CACHED_FILE_H_ #define _CACHED_FILE_H_ #include <QString> #include <QUrl> #include <QDateTime> #include <map> class ProgressReporter; class CachedFile { public: CachedFile(QString fileOrUrl, ProgressReporter *reporter = 0, QString preferredContentType = ""); CachedFile(QUrl url, ProgressReporter *reporter = 0, QString preferredContentType = ""); virtual ~CachedFile(); bool isOK() const; QString getLocalFilename() const; protected: QString m_origin; QString m_localFilename; QString m_preferredContentType; ProgressReporter *m_reporter; bool m_ok; void checkFile(); bool retrieve(); QDateTime getLastRetrieval(); void updateLastRetrieval(bool successful); static QString getCacheDirectory(); static QString getLocalFilenameFor(QUrl url); typedef std::map<QString, QString> OriginLocalFilenameMap; static OriginLocalFilenameMap m_knownGoodCaches; }; #endif