--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javamanager/javabackup/midp2backup/src.s60/mediaidupdater.h	Thu Aug 19 09:48:13 2010 +0300
@@ -0,0 +1,74 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: MediaIdUpdater
+*
+*/
+
+
+#ifndef MEDIAIDUPDATER_H
+#define MEDIAIDUPDATER_H
+
+#include <string>
+#include <set>
+
+namespace java
+{
+namespace storage
+{
+    class JavaStorage;
+}
+namespace backup
+{
+
+/**
+* MediaIdUpdater is responsible for ensuring that java storage contains
+* valid media ids after restore.
+* Media id may change in following situations:
+*   - memory card is formatted between backup and restore
+*   - another memory card is used during restore than originally
+*/
+
+class MediaIdUpdater
+{
+public:
+    MediaIdUpdater();
+    virtual ~MediaIdUpdater();
+
+    /**
+    * Updates media ids to valid values if needed
+    * Note: this method must be called after java storage is restored
+    */
+    virtual void update();
+
+protected:
+    virtual std::set<std::wstring> getPresentMediaIds();
+    virtual std::set<std::wstring> getPresentRemovableDriveMediaIds();
+    virtual std::set<std::wstring> removePresentMediaIds(const std::set<std::wstring>& aStorageIds,
+                                                         const std::set<std::wstring>& aPresentIds);
+    virtual bool isMediaIdUpdateNeeded(const std::set<std::wstring>& aInvalidIds,
+                                       const std::set<std::wstring>& aValidIds);
+    virtual std::set<std::wstring> getMediaIdsFromStorage();
+    virtual void updateMediaIds(const std::set<std::wstring>& aInvalidIds,
+                                const std::set<std::wstring>& aValidIds);
+
+    virtual void open();
+    virtual void close();
+
+    java::storage::JavaStorage* mStorage;
+};
+
+} // namespace backup
+} // namespace java
+
+#endif // MEDIAIDUPDATER_H