sl@0: /*
sl@0: * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include <s32strm.h>
sl@0: #include <caf/virtualpath.h>
sl@0: #include "cafutils.h"
sl@0: 
sl@0: using namespace ContentAccess;
sl@0: 
sl@0: EXPORT_C CVirtualPath* CVirtualPath::NewL(const TDesC& aCombinedUriUniqueId)
sl@0: 	{	
sl@0: 	// TVirtualPathPtr performs the separation of URI and UniqueId if required
sl@0: 	return CVirtualPath::NewL(TVirtualPathPtr(aCombinedUriUniqueId));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CVirtualPath* CVirtualPath::NewL(const TDesC& aURI, const TDesC& aUniqueId)
sl@0: 	{	
sl@0: 	return CVirtualPath::NewL(TVirtualPathPtr(aURI, aUniqueId));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CVirtualPath* CVirtualPath::NewL(const TVirtualPathPtr& aPtr)
sl@0: 	{	
sl@0: 	CVirtualPath* self = new (ELeave) CVirtualPath(aPtr);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CVirtualPath* CVirtualPath::NewL(RReadStream& aStream)
sl@0: 	{
sl@0: 	CVirtualPath* self = new (ELeave) CVirtualPath(TVirtualPathPtr(KNullDesC()));
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->InternalizeL(aStream);
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}	
sl@0: 
sl@0: 
sl@0: CVirtualPath::CVirtualPath(const TVirtualPathPtr& aVirtualPath) : iCombinedUriUniqueIdPtr(KNullDesC16()), iVirtualPathPtr(aVirtualPath) 
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CVirtualPath::ConstructL()
sl@0: 	{
sl@0: 	iURI = iVirtualPathPtr.URI().AllocL();
sl@0: 	iUniqueId = iVirtualPathPtr.UniqueId().AllocL();
sl@0: 	
sl@0: 	// Make sure the TVirtualPathPtr points to the member
sl@0: 	// variables not the arguments which could be deleted or modified at any time
sl@0: 	iVirtualPathPtr.Set(*iURI, *iUniqueId);
sl@0: 
sl@0: 	// Create a combined URI descriptor that stores the URI and UniqueId of the content
sl@0: 	CreateCombinedUriUniqueIdL(*iURI, *iUniqueId);
sl@0: 	iCombinedUriUniqueIdPtr.Set(iCombinedUriUniqueId->Des());
sl@0: 	}
sl@0: 
sl@0: void CVirtualPath::CreateCombinedUriUniqueIdL(const TDesC& aUri, const TDesC& aUniqueId)
sl@0: 	{
sl@0: 	
sl@0: 	// build a concatenated version of the URI and UniqueId
sl@0: 	// The KCafVirtualPathSeparator is used to separate the URI from the UniqueId
sl@0: 	HBufC* temp = HBufC::NewL(aUri.Length() + 1 + aUniqueId.Length());
sl@0: 	CleanupStack::PushL(temp);
sl@0: 
sl@0: 	TPtr combinedUriAndUniqueId = temp->Des();
sl@0: 	combinedUriAndUniqueId.Append(aUri);
sl@0: 	combinedUriAndUniqueId.Append(KCafVirtualPathSeparator());
sl@0: 	combinedUriAndUniqueId.Append(aUniqueId);
sl@0: 
sl@0: 	// Set iCombinedUriUniqueId since everything worked up to this point
sl@0: 	delete iCombinedUriUniqueId;
sl@0: 	iCombinedUriUniqueId = NULL;
sl@0: 	iCombinedUriUniqueId = temp;
sl@0: 	iCombinedUriUniqueIdPtr.Set(iCombinedUriUniqueId->Des());
sl@0: 
sl@0: 	// dont delete temp since it's now pointed to by iCombinedUriUniqueId
sl@0: 	CleanupStack::Pop(temp);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CVirtualPath::~CVirtualPath()
sl@0: 	{
sl@0: 	delete iURI;
sl@0: 	delete iUniqueId;
sl@0: 	delete iCombinedUriUniqueId;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TDesC& CVirtualPath::URI() const
sl@0: 	{
sl@0: 	return *iURI;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TDesC& CVirtualPath::UniqueId() const
sl@0: 	{
sl@0: 	return *iUniqueId;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TDesC& CVirtualPath::GetCombinedUriUniqueId()
sl@0: 	{
sl@0: 	return iCombinedUriUniqueIdPtr;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CVirtualPath::ExternalizeL(RWriteStream& aStream) const
sl@0: 	{
sl@0: 	TCafUtils::WriteDescriptor16L(aStream, *iURI);
sl@0: 	TCafUtils::WriteDescriptor16L(aStream, *iUniqueId);
sl@0: 	}	
sl@0: 
sl@0: void CVirtualPath::InternalizeL(RReadStream& aStream)
sl@0: 	{
sl@0: 	// Allocate space for the URI, UniqueId and CombinedURI
sl@0: 	iURI = TCafUtils::ReadDescriptor16L(aStream);
sl@0: 	iUniqueId = TCafUtils::ReadDescriptor16L(aStream);
sl@0: 
sl@0: 	// Create a combined URI and UniqueId for these two
sl@0: 	CreateCombinedUriUniqueIdL(*iURI, *iUniqueId);
sl@0: 
sl@0: 	// Set the TVirutalPathPtr member to be the URI and UniqueId
sl@0: 	iVirtualPathPtr.Set(*iURI, *iUniqueId);
sl@0: 	}