/*

* Copyright (c) 2007 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:  Part of SyncML Data Synchronization Plug In Adapter

*

*/

#include <hash.h>

#include <utf.h>

#include "snapshotitem.h"

#include "logger.h"

// -----------------------------------------------------------------------------

// TSnapshotItem::TSnapshotItem

// C++ default constructor can NOT contain any code, that might leave

// -----------------------------------------------------------------------------

TSnapshotItem::TSnapshotItem() : TNSmlSnapshotItem()

    {

    }

// -----------------------------------------------------------------------------

// TSnapshotItem::TSnapshotItem

// Constructor, takes item id as a parameter

// -----------------------------------------------------------------------------

TSnapshotItem::TSnapshotItem( const TSmlDbItemUid& aItemId,

    const TSmlDbItemUid& aParent )

: TNSmlSnapshotItem( aItemId )

    {

    SetParentId( aParent );

    }

// -----------------------------------------------------------------------------

// TSnapshotItem::ExternalizeL

// Writes the contents of this class and it's base to stream

// -----------------------------------------------------------------------------

void TSnapshotItem::ExternalizeL( RWriteStream& aStream ) const

    {

    TNSmlSnapshotItem::ExternalizeL( aStream );

    TPckgBuf<THashValue> nameBuf(iHash);

	aStream << nameBuf;

    }

// -----------------------------------------------------------------------------

// TSnapshotItem::InternalizeL

// Reads the contents of this class and it's base from stream

// -----------------------------------------------------------------------------

void TSnapshotItem::InternalizeL( RReadStream& aStream )

    {

    TNSmlSnapshotItem::InternalizeL( aStream );

    TPckgBuf<THashValue> nameBuf;

	aStream >> nameBuf;

	iHash = nameBuf();

    }

// -----------------------------------------------------------------------------

// TSnapshotItem::CreateHashL

// Create hash value from name and url

// -----------------------------------------------------------------------------

void TSnapshotItem::CreateHashL( const TDesC& aName , const TDesC& aUrl )

    {

    CMessageDigest* hash = CMessageDigestFactory::NewDigestLC( CMessageDigest::EMD5 );

    HBufC8* tempBuf = CnvUtfConverter::ConvertFromUnicodeToUtf8L( aName );

    CleanupStack::PushL( tempBuf );

    hash->Update( tempBuf->Des() );

    CleanupStack::PopAndDestroy( tempBuf );

    tempBuf = NULL;

    tempBuf = CnvUtfConverter::ConvertFromUnicodeToUtf8L( aUrl );

    hash->Update( tempBuf->Des() );

    iHash.Copy( hash->Final() );

    delete tempBuf;

    tempBuf = NULL;

    CleanupStack::PopAndDestroy( hash );

    }

// -----------------------------------------------------------------------------

// TSnapshotItem::Hash

// Gets Hash

// -----------------------------------------------------------------------------

const TDesC8& TSnapshotItem::Hash() const

    {

    return iHash;

    }