--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javamanager/javabackup/midp2backup/src.s60/javaversionbackuputil.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,83 @@
+/*
+* Copyright (c) 2008-2009 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:  Header file for JavaVersionBackupUtil class
+*
+*/
+
+
+#ifndef JAVAVERSIONBACKUPUTIL_H
+#define JAVAVERSIONBACKUPUTIL_H
+
+#include <e32base.h>
+#include <driveinfo.h>
+#include <javaenvinfo.h>
+
+class RDesReadStream;
+class RDesWriteStream;
+
+namespace java
+{
+namespace backup
+{
+/**
+ *  JavaVersionBackupUtil class is used for checking the java version
+ *  during a B&R operation. This class writes the current java version
+ *  while backing up and then checks whether the backed up version
+ *  is compatible with the currnet version while doing a restore.
+ *  If it is not compatible, then the backup process is gracefully exited.
+ */
+
+class JavaVersionBackupUtil
+{
+
+public:
+
+    /**
+     * This method writes the current java version into the SBE buffer.
+     * This functions is called when a backup process is started.
+     *
+     * @param aBuffer the buffer which is sent by the SBE
+     */
+    static void WriteJavaVersionL(RDesWriteStream& aStream);
+
+    /**
+     * This method reads the java version from the stream. If there is no
+     * Java version or if the Java version is not compatible with the
+     * current version, then the restore process is exited gracefully.
+     *
+     * @param aStream an RDesReadStream on the buffer which is sent
+     *        by the SBE
+     * @param aDrive current drive to be backed up
+     * @return status
+     */
+    static TUint CheckJavaVersionL(RDesReadStream& aStream, TDriveNumber aDrive, TBool versionCheck);
+
+private:
+
+    /**
+     * This method is used to compare the current java version with the
+     * one read from the stream.
+     * This method is not used presently. Logic may be added in the future
+     *
+     * @param aVersion the java version read from the stream
+     * @param aCurVersion the current java version
+     */
+    void CompareL(TVersion aVersion, TVersion aCurVersion);
+
+};
+
+} // namespace backup
+} // namespace java
+
+#endif // JAVAVERSIONBACKUPUTIL_H