contentmgmt/contentaccessfwfordrm/source/cafutils/virtualpath.cpp
changeset 0 2c201484c85f
child 8 35751d3474b7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contentmgmt/contentaccessfwfordrm/source/cafutils/virtualpath.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,136 @@
+/*
+* 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 "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);
+	}