/*

 * Copyright (c) 2004-2009 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: 

 *

 */

 #include <s32strm.h>

 #include <caf/virtualpath.h>

 #include "cafutils.h"

 using namespace ContentAccess;

 EXPORT_C CVirtualPath* CVirtualPath::NewL(const TDesC& aCombinedUriUniqueId)

 	{	

 	// TVirtualPathPtr performs the separation of URI and UniqueId if required

 	return CVirtualPath::NewL(TVirtualPathPtr(aCombinedUriUniqueId));

 	}

 EXPORT_C CVirtualPath* CVirtualPath::NewL(const TDesC& aURI, const TDesC& aUniqueId)

 	{	

 	return CVirtualPath::NewL(TVirtualPathPtr(aURI, aUniqueId));

 	}

 EXPORT_C CVirtualPath* CVirtualPath::NewL(const TVirtualPathPtr& aPtr)

 	{	

 	CVirtualPath* self = new (ELeave) CVirtualPath(aPtr);

 	CleanupStack::PushL(self);

 	self->ConstructL();

 	CleanupStack::Pop(self);

 	return self;

 	}

 EXPORT_C CVirtualPath* CVirtualPath::NewL(RReadStream& aStream)

 	{

 	CVirtualPath* self = new (ELeave) CVirtualPath(TVirtualPathPtr(KNullDesC()));

 	CleanupStack::PushL(self);

 	self->InternalizeL(aStream);

 	CleanupStack::Pop(self);

 	return self;

 	}	

 CVirtualPath::CVirtualPath(const TVirtualPathPtr& aVirtualPath) : iCombinedUriUniqueIdPtr(KNullDesC16()), iVirtualPathPtr(aVirtualPath) 

 	{

 	}

 void CVirtualPath::ConstructL()

 	{

 	iURI = iVirtualPathPtr.URI().AllocL();

 	iUniqueId = iVirtualPathPtr.UniqueId().AllocL();

 	// Make sure the TVirtualPathPtr points to the member

 	// variables not the arguments which could be deleted or modified at any time

 	iVirtualPathPtr.Set(*iURI, *iUniqueId);

 	// Create a combined URI descriptor that stores the URI and UniqueId of the content

 	CreateCombinedUriUniqueIdL(*iURI, *iUniqueId);

 	iCombinedUriUniqueIdPtr.Set(iCombinedUriUniqueId->Des());

 	}

 void CVirtualPath::CreateCombinedUriUniqueIdL(const TDesC& aUri, const TDesC& aUniqueId)

 	{

 	// build a concatenated version of the URI and UniqueId

 	// The KCafVirtualPathSeparator is used to separate the URI from the UniqueId

 	HBufC* temp = HBufC::NewL(aUri.Length() + 1 + aUniqueId.Length());

 	CleanupStack::PushL(temp);

 	TPtr combinedUriAndUniqueId = temp->Des();

 	combinedUriAndUniqueId.Append(aUri);

 	combinedUriAndUniqueId.Append(KCafVirtualPathSeparator());

 	combinedUriAndUniqueId.Append(aUniqueId);

 	// Set iCombinedUriUniqueId since everything worked up to this point

 	delete iCombinedUriUniqueId;

 	iCombinedUriUniqueId = NULL;

 	iCombinedUriUniqueId = temp;

 	iCombinedUriUniqueIdPtr.Set(iCombinedUriUniqueId->Des());

 	// dont delete temp since it's now pointed to by iCombinedUriUniqueId

 	CleanupStack::Pop(temp);

 	}

 CVirtualPath::~CVirtualPath()

 	{

 	delete iURI;

 	delete iUniqueId;

 	delete iCombinedUriUniqueId;

 	}

 EXPORT_C const TDesC& CVirtualPath::URI() const

 	{

 	return *iURI;

 	}

 EXPORT_C const TDesC& CVirtualPath::UniqueId() const

 	{

 	return *iUniqueId;

 	}

 EXPORT_C const TDesC& CVirtualPath::GetCombinedUriUniqueId()

 	{

 	return iCombinedUriUniqueIdPtr;

 	}

 EXPORT_C void CVirtualPath::ExternalizeL(RWriteStream& aStream) const

 	{

 	TCafUtils::WriteDescriptor16L(aStream, *iURI);

 	TCafUtils::WriteDescriptor16L(aStream, *iUniqueId);

 	}	

 void CVirtualPath::InternalizeL(RReadStream& aStream)

 	{

 	// Allocate space for the URI, UniqueId and CombinedURI

 	iURI = TCafUtils::ReadDescriptor16L(aStream);

 	iUniqueId = TCafUtils::ReadDescriptor16L(aStream);

 	// Create a combined URI and UniqueId for these two

 	CreateCombinedUriUniqueIdL(*iURI, *iUniqueId);

 	// Set the TVirutalPathPtr member to be the URI and UniqueId

 	iVirtualPathPtr.Set(*iURI, *iUniqueId);

 	}