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diff --git a/src/IDownloadCache.h b/src/IDownloadCache.h
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+/*
+ * vdr-vodcatcher - A plugin for the Linux Video Disk Recorder
+ * Copyright (c) 2007 - 2008 Tobias Grimm <vdr@e-tobi.net>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * $Id: IDownloadCache.h 7652 2008-08-05 21:37:57Z svntobi $
+ *
+ */
+
+#ifndef ___IDOWNLOADCACHE_H
+#define ___IDOWNLOADCACHE_H
+
+#include <string>
+#include <iostream>
+#include "RefPtr.h"
+
+class IDownloadCache
+{
+public:
+    virtual ~IDownloadCache()
+    {
+    }
+    virtual RefPtr<std::istream> CreateStreamByUrl(const std::string& url) const = 0;
+    virtual void Put(std::istream& document, const std::string& url) = 0;
+    virtual long GetAgeInMinutes(const std::string& url) const = 0;
+    virtual bool IsCached(const std::string& url) const = 0;
+    virtual void CleanUp(const long maxAge) = 0;
+};
+
+#endif