diff -r aba6b8104af3 -r 84a16765cd86 installationservices/swcomponentregistry/inc_private/scrclient.inl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swcomponentregistry/inc_private/scrclient.inl	Fri Mar 19 09:33:35 2010 +0200
@@ -0,0 +1,160 @@
+/*
+* 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 the License "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: 
+* Utils functions used by scr session and subsession clients.
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#ifndef SCRCLIENT_INL
+#define SCRCLIENT_INL
+
+#include "scr.h"
+#include <scs/cleanuputils.h>
+#include <scs/streamingarray.h>
+#include <s32mem.h>
+
+namespace Usif
+	{
+	template <class C>
+	inline HBufC8* GetObjectDataLC(const C& aConnection, TInt aFunction, TInt aDataSize)
+		{
+		HBufC8 *buf = HBufC8::NewLC(aDataSize);
+		TPtr8 ptrBuf(buf->Des());
+		TIpcArgs argBuf(&ptrBuf);
+		User::LeaveIfError(aConnection.SendSyncMessage(aFunction, argBuf));
+		return buf; 
+		}
+	
+	template <class T, class C>
+	inline T* GetObjectL(const C& aConnection, TInt aSizeFunction, TInt aDataFunction, TInt aArgNum, TIpcArgs& aArgs)
+		{
+		TInt size(0);
+		TPckg<TInt> sizePak(size);
+		aArgs.Set(aArgNum, &sizePak);
+		User::LeaveIfError(aConnection.SendSyncMessage(aSizeFunction, aArgs));
+		if(!size)
+			{// There is no related object return NULL
+			return NULL;
+			}
+		HBufC8 *buf = GetObjectDataLC(aConnection, aDataFunction, size);
+			
+		RDesReadStream stream(*buf);
+		CleanupClosePushL(stream);
+		T *retObject = TTraits<T>::ReadFromStreamL(stream);
+		CleanupStack::PopAndDestroy(2, buf);
+		return retObject;
+		}
+	
+	template <class T, class C>
+	inline TBool GetObjectL(const C& aConnection, T& aObject, TInt aSizeFunction, TInt aDataFunction, TInt aArgNum, TIpcArgs& aArgs)
+		{
+		TInt size(0);
+		TPckg<TInt> sizePak(size);
+		aArgs.Set(aArgNum, &sizePak);
+		User::LeaveIfError(aConnection.SendSyncMessage(aSizeFunction, aArgs));
+		if(!size)
+			{// There is no related object, return EFalse
+			return EFalse;
+			}
+		HBufC8 *buf = GetObjectDataLC(aConnection, aDataFunction, size);
+				
+		RDesReadStream stream(*buf);
+		CleanupClosePushL(stream);
+		aObject.InternalizeL(stream);
+		CleanupStack::PopAndDestroy(2, buf);
+		return ETrue;
+		}
+	
+	template <class C, class T>
+	inline void GetObjectArrayL(const C& aConnection, TInt aSizeFunction, TInt aDataFunction, TInt aArgNum, TIpcArgs& aArgs, RPointerArray<T>& aArray)
+		{
+		TInt size(0);
+		TPckg<TInt> sizePak(size);
+		aArgs.Set(aArgNum, &sizePak);
+		User::LeaveIfError(aConnection.SendSyncMessage(aSizeFunction, aArgs));
+		if(!size)
+			{// There is no related data, return.
+			return;
+			}
+		HBufC8 *buf = GetObjectDataLC(aConnection, aDataFunction, size);
+			
+		RDesReadStream stream(*buf);
+		CleanupClosePushL(stream);
+		InternalizePointersArrayL(aArray, stream);
+		CleanupStack::PopAndDestroy(2, buf);
+		}
+	
+	template <class C, class T>
+	inline void GetObjectArrayL(const C& aConnection, TInt aSizeFunction, TInt aDataFunction, TInt aArgNum, TIpcArgs& aArgs, RArray<T>& aArray)
+		{
+		TInt size(0);
+		TPckg<TInt> sizePak(size);
+		aArgs.Set(aArgNum, &sizePak);
+		User::LeaveIfError(aConnection.SendSyncMessage(aSizeFunction, aArgs));
+		if(!size)
+			{// There is no related data, return.
+			return;
+			}
+		HBufC8 *buf = GetObjectDataLC(aConnection, aDataFunction, size);
+				
+		RDesReadStream stream(*buf);
+		CleanupClosePushL(stream);
+		InternalizeFixedLengthArrayL(aArray, stream);
+		CleanupStack::PopAndDestroy(2, buf);
+		}
+	
+	template <class C>
+	inline void ExternalizeObjectL(const C* aObject, RBuf8& aBuf)
+		{
+		const C *localCopyOfObject(0);
+		
+		if(!aObject)
+			{// if object is not supplied, then create an empty one.
+			localCopyOfObject = C::NewLC();
+			}
+		else
+			{
+			localCopyOfObject = aObject;
+			}
+			
+		// Get the required buffer size for the externalized C object
+		TInt bufSize = GetObjectBufferSizeL(*localCopyOfObject);
+			
+		// Clean the buffer and re-create it with the required buffer size 
+		aBuf.Close();
+		aBuf.CreateL(bufSize);
+			
+		// Externalize the filter object into the buffer
+		RDesWriteStream wstream(aBuf);
+		wstream.PushL();
+		wstream << *localCopyOfObject;
+		wstream.CommitL();
+		wstream.Pop();
+		wstream.Release();
+			
+		if(!aObject)
+			{// destroy the filter if created locally
+			CleanupStack::PopAndDestroy((C*)localCopyOfObject);
+			}
+		}// Emd of ExternalizeFilterL
+	}
+
+#endif /* SCRCLIENT_INL */