--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/store/USTOR/UT_STRM.CPP	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,212 @@
+// Copyright (c) 1998-2009 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:
+//
+
+#include "UT_STD.H"
+
+EXPORT_C void RStoreReadStream::OpenL(const CStreamStore& aStore,TStreamId anId)
+/** Opens and prepares an existing stream for reading. The function leaves if it 
+cannot complete successfully.
+
+@param aStore A reference to the store containing the stream with the specified 
+stream id.
+@param anId The stream id of the stream to be read. */
+	{
+	if (anId==KNullStreamId)
+		__LEAVE(KErrNotFound);
+	RReadStream::Attach(aStore.DoReadL(anId));
+	}
+
+EXPORT_C void RStoreReadStream::OpenLC(const CStreamStore& aStore,TStreamId anId)
+/** Opens and prepares an existing stream for reading, leaving a cleanup item on 
+the cleanup stack. The function leaves if it cannot complete successfully.
+
+Placing a cleanup item for the RStoreReadStream onto the cleanup stack allows 
+allocated resources to be cleaned up if a subsequent leave occurs.
+
+@param aStore A reference to the store containing the stream with the specified 
+id.
+@param anId The stream id of the stream to be read. */
+	{
+	OpenL(aStore,anId);
+	PushL();
+	}
+
+EXPORT_C TStreamId RStoreWriteStream::CreateL(CStreamStore& aStore)
+/** Creates a new stream.
+
+The function creates a new stream in the specified store and prepares the 
+stream for writing. The function returns the new stream id, and leaves if 
+it cannot complete successfully.
+
+Note that a call to this function must be matched by a call to CommitL() before 
+this object is disposed of.
+
+@param aStore A reference to the store which is to contain the new stream.
+@return The stream id of the newly created stream.
+@see RWriteStream::Release()
+@see RWriteStream::CommitL() */
+	{
+	TStreamId id;
+	RWriteStream::Attach(aStore.DoCreateL(id));
+	return id;
+	}
+
+EXPORT_C TStreamId RStoreWriteStream::CreateLC(CStreamStore& aStore)
+/** Creates a new stream, putting a cleanup item onto the cleanup stack.
+
+The function creates a new stream in the specified store and prepares the 
+stream for writing. The function returns the new stream id, and leaves if 
+it cannot complete successfully.
+
+Putting a cleanup item onto the cleanup stack allows allocated resources to 
+be cleaned up if a subsequent leave occurs.
+
+Note that a call to this function must be matched by a call to CommitL() before 
+this object is disposed of.
+
+@param aStore A reference to the store which is to contain the new stream.
+@return The stream id of the newly created stream.
+@see RWriteStream::Release()
+@see RWriteStream::CommitL() */
+	{
+	TStreamId id=CreateL(aStore);
+	PushL();
+	return id;
+	}
+
+EXPORT_C void RStoreWriteStream::OpenL(CStreamStore& aStore,TStreamId anId)
+/** Opens an existing stream and prepares it for overwriting.
+
+The function leaves if cannot complete successfully.
+
+Note that a call to this function must be matched by a call to CommitL() before 
+this object is disposed of.
+
+@param aStore A reference to the store containing the stream.
+@param anId The id of the stream to be overwritten.
+@see RWriteStream::Release()
+@see RWriteStream::CommitL()
+@see CDirectFileStore */
+	{
+	if (anId==KNullStreamId)
+		__LEAVE(KErrNotFound);
+	RWriteStream::Attach(aStore.DoWriteL(anId));
+	}
+
+EXPORT_C void RStoreWriteStream::OpenLC(CStreamStore& aStore,TStreamId anId)
+/** Opens an existing stream, prepares it for overwriting, and puts a cleanup item 
+onto the cleanup stack.
+
+The function leaves if cannot complete successfully.
+
+Putting a cleanup item onto the cleanup stack allows allocated resources to 
+be cleaned up if a subsequent leave occurs.
+
+Note that a call to this function must be matched by a call to CommitL() before 
+this object is disposed of.
+
+@param aStore A reference to the store containing the stream.
+@param anId The id of the stream to be overwritten.
+@see RWriteStream::Release()
+@see RWriteStream::CommitL()
+@see CDirectFileStore */
+	{
+	OpenL(aStore,anId);
+	PushL();
+	}
+
+EXPORT_C void RStoreWriteStream::ReplaceL(CStreamStore& aStore,TStreamId anId)
+/** Opens an existing stream and prepares it for replacement.
+
+The function leaves if it cannot complete successfully.
+
+Note that a call to this function must be matched by a call to CommitL() before 
+this object is disposed of.
+
+@param aStore A reference to the store containing the stream.
+@param anId The id of the stream to be replaced.
+@see RWriteStream::Release()
+@see RWriteStream::CommitL()
+@see CDirectFileStore */
+	{
+	if (anId==KNullStreamId)
+		__LEAVE(KErrNotFound);
+	RWriteStream::Attach(aStore.DoReplaceL(anId));
+	}
+
+EXPORT_C void RStoreWriteStream::ReplaceLC(CStreamStore& aStore,TStreamId anId)
+/** Opens an existing stream, prepares it for replacement and puts a cleanup item 
+onto the cleanup stack.
+
+The function leaves if it cannot complete successfully.
+
+Placing a cleanup item onto the cleanup stack allows allocated resources to 
+be cleaned up if a subsequent leave occurs.
+
+Note that a call to this function must be matched by a call to CommitL() before 
+this object is disposed of.
+
+@param aStore A reference to the store containing the stream.
+@param anId The id of the stream to be replaced.
+@see RWriteStream::Release()
+@see RWriteStream::CommitL()
+@see CDirectFileStore */
+	{
+	ReplaceL(aStore,anId);
+	PushL();
+	}
+
+EXPORT_C void RStoreWriteStream::AppendL(CStreamStore& aStore,TStreamId anId)
+/** Opens an existing stream and prepares it for appending.
+
+The function leaves if it cannot complete successfully.
+
+Note that a call to this function must be matched by a call to CommitL() before 
+this object is disposed of.
+
+@param aStore A reference to the store containing the stream.
+@param anId The id of the stream to be appended.
+@see RWriteStream::Release()
+@see RWriteStream::CommitL()
+@see CDirectFileStore
+@see CPermanentFileStore */
+	{
+	AppendLC(aStore,anId);
+	CleanupStack::Pop();
+	}
+
+EXPORT_C void RStoreWriteStream::AppendLC(CStreamStore& aStore,TStreamId anId)
+/** Opens an existing stream, prepares it for appending, and puts a cleanup item 
+onto the cleanup stack. 
+
+The function leaves if it cannot complete successfully.
+
+Putting a cleanup item onto the cleanup stack allows allocated resources to 
+be cleaned up if a subsequent leave occurs.
+
+Note that call to this function must be matched by a call to CommitL() before 
+the RStoreWriteStream object is disposed of.
+
+@param aStore A reference to the store containing the stream.
+@param anId The id of the stream to be appended.
+@see RWriteStream::Release()
+@see RWriteStream::CommitL()
+@see CDirectFileStore
+@see CPermanentFileStore */
+	{
+	OpenLC(aStore,anId);
+	Sink()->SeekL(MStreamBuf::EWrite,EStreamEnd);
+	}
+