/*

* Copyright (c) 2004 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:  Datatype for the Common Rights Database Data

*

*/

// INCLUDE FILES

#include <s32strm.h>

#include "DRMCommonData.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

_LIT8( KOwnNullDesC8, "" );

_LIT( KOwnNullDesC, "" );

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

// ============================ MEMBER FUNCTIONS ===============================

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

// CDRMCommonData::NewLC

// Two-phased constructor.

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

//

CDRMCommonData* CDRMCommonData::NewLC( const TDesC8& aContentID,

                                       const TDesC8& aContentHash,

                                       const TDesC8& aRightsIssuer,

                                       const TDesC& aContentName,

                                       const TDesC8& aAuthenticationSeed )

    {

    CDRMCommonData* self = new( ELeave ) CDRMCommonData();

    CleanupStack::PushL( self );

    self->ConstructL( aContentID, aContentHash, 

                      aRightsIssuer, aContentName,

                      aAuthenticationSeed );

    return self;    

    };

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

// CDRMCommonData::NewL

// Two-phased constructor.

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

//

CDRMCommonData* CDRMCommonData::NewL( const TDesC8& aContentID,

                                      const TDesC8& aContentHash,

                                      const TDesC8& aRightsIssuer,

                                      const TDesC& aContentName,

                                      const TDesC8& aAuthenticationSeed )

    {

    CDRMCommonData* self = NewLC( aContentID, aContentHash, 

                                  aRightsIssuer, aContentName,

                                  aAuthenticationSeed );

    CleanupStack::Pop();

    return self;

    };        

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

// CDRMCommonData::NewLC

// Two-phased constructor.

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

//

CDRMCommonData* CDRMCommonData::NewLC()

    {

    CDRMCommonData* self = new( ELeave ) CDRMCommonData();

    CleanupStack::PushL( self );

    return self;    

    };

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

// CDRMCommonData::NewL

// Two-phased constructor.

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

//

CDRMCommonData* CDRMCommonData::NewL()

    {

    CDRMCommonData* self = NewLC();

    CleanupStack::Pop();

    return self;

    };           

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

// Default Constructor - First phase.

// Can be used by itself to generate an empty object

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

//

CDRMCommonData::CDRMCommonData()

    {

    }; 

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

// Destructor

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

//

CDRMCommonData::~CDRMCommonData()

    {

    if( iContentID )

        {

        delete iContentID;

        iContentID = NULL;

        }

    if( iContentHash )

        {

        delete iContentHash;

        iContentHash = NULL;

        }

    if( iRightsIssuer )

        {

        delete iRightsIssuer;

        iRightsIssuer = NULL;

        }

    if( iContentName )

        {

        delete iContentName;

        iContentName = NULL;

        }

    if( iAuthenticationSeed )

        {

        delete iAuthenticationSeed;

        iAuthenticationSeed = NULL;	

        }   

    };

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

// CDRMCommonData::ContentID

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

//        

const TDesC8& CDRMCommonData::ContentID() const

    {

    if ( iContentID )

        {

        return *iContentID;

        }

    return KOwnNullDesC8;

    };

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

// CDRMCommonData::ContentHash

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

// 

const TDesC8& CDRMCommonData::ContentHash() const

    {

    if ( iContentHash )

        {

        return *iContentHash;

        }

    return KOwnNullDesC8;

    };

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

// CDRMCommonData::RightsIssuer

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

//    

const TDesC8& CDRMCommonData::RightsIssuer() const

    {

    if ( iRightsIssuer )

        {

        return *iRightsIssuer;

        }

    return KOwnNullDesC8;

    };

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

// CDRMCommonData::ContentName

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

//   

const TDesC& CDRMCommonData::ContentName() const

    {

    if ( iContentName )

        {

        return *iContentName;

        }

    return KOwnNullDesC;

    };    

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

// CDRMCommonData::AuthenticationSeed

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

//    

const TDesC8& CDRMCommonData::AuthenticationSeed() const

    {

    if ( iAuthenticationSeed )

        {

        return *iAuthenticationSeed;

        }

    return KOwnNullDesC8;

    };

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

// CDRMCommonData::SetContentIDL

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

//         

void CDRMCommonData::SetContentIDL( const TDesC8& aContentID )

    {

    HBufC8* newContentID = aContentID.AllocL();

    if( iContentID )

        {

        delete iContentID;

        iContentID = NULL;

        }

    iContentID = newContentID;    

    };

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

// CDRMCommonData::SetContentHashL

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

//        

void CDRMCommonData::SetContentHashL( const TDesC8& aContentHash )

    {

    HBufC8* newContentHash = aContentHash.AllocL();

    if( iContentHash )

        {

        delete iContentHash;

        iContentHash = NULL;

        }

    iContentHash = newContentHash;        

    };

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

// CDRMCommonData::SetRightsIssuerL

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

//      

void CDRMCommonData::SetRightsIssuerL( const TDesC8& aRightsIssuer )

    {

    HBufC8* newRightsIssuer = aRightsIssuer.AllocL();

    if( iRightsIssuer )

        {

        delete iRightsIssuer;

        iRightsIssuer = NULL;

        }

    iRightsIssuer = newRightsIssuer;     

    };

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

// CDRMCommonData::SetContentNameL

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

//   

void CDRMCommonData::SetContentNameL( const TDesC& aContentName )

    {

    HBufC* newContentName = NULL; 

    // If the content name you want to give is empty, just delete the existing

    // one and not do anything else;

    if( aContentName.Length() == 0 )

    	{

    	if( iContentName )

        	{

        	delete iContentName;

        	iContentName = NULL;

        	}    	

    	return;	

    	}

    newContentName = aContentName.AllocL();

    if( iContentName )

        {

        delete iContentName;

        iContentName = NULL;

        }

    iContentName = newContentName;     

    };

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

// CDRMCommonData::SetAuthenticationSeedL

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

//      

void CDRMCommonData::SetAuthenticationSeedL( const TDesC8& aAuthenticationSeed )

    {

    HBufC8* newAuthenticationSeed = aAuthenticationSeed.AllocL();

    if( iAuthenticationSeed )

        {

        delete iAuthenticationSeed;

        iAuthenticationSeed= NULL;

        }

    iAuthenticationSeed = newAuthenticationSeed;     

    };

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

// CDRMCommonData::ExternalizeL

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

// 

void CDRMCommonData::ExternalizeL( RWriteStream& aStream ) const

    {

    TInt dataLength = 0;

    // Write the ContentID

    if( iContentID )

        {

        dataLength = iContentID->Length();

        }

    aStream.WriteInt32L( dataLength );

    if( dataLength )

        {

        aStream.WriteL( iContentID->Des() );        

        }

    // Write the ContentHash

    dataLength = 0;

    if( iContentHash )

        {

        dataLength = iContentHash->Length();

        }

    aStream.WriteInt32L( dataLength );

    if( dataLength )

        {

        aStream.WriteL( iContentHash->Des() );        

        }

    // Write the Rights Issuer

    dataLength = 0;

    if( iRightsIssuer )

        {

        dataLength = iRightsIssuer->Length();

        }

    aStream.WriteInt32L( dataLength );

    if( dataLength )

        {

        aStream.WriteL( iRightsIssuer->Des() );        

        }

    // Write the ContentName                    

    dataLength = 0;

    if( iContentName )

        {

        dataLength = iContentName->Length();

        }

    aStream.WriteInt32L( dataLength );

    if( dataLength )

        {

        aStream.WriteL( iContentName->Des() );

        }

    // Write the Rights Issuer

    dataLength = 0;

    if( iAuthenticationSeed )

        {

        dataLength = iAuthenticationSeed->Length();

        }

    aStream.WriteInt32L( dataLength );

    if( dataLength )

        {

        aStream.WriteL( iAuthenticationSeed->Des() );        

        }

    };

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

// CDRMCommonData::InternalizeL

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

// 

void CDRMCommonData::InternalizeL( RReadStream& aStream )

    {

    TInt dataLength = 0;

    HBufC8* dataPart = 0;

    TPtr8 dataBuffer(NULL,0,0);

    // Read the ContentID

    dataLength = aStream.ReadInt32L();

    if( dataLength )

        {

        // Reserve a new buffer:

        dataPart = HBufC8::NewMaxLC( dataLength );

        // Set the read buffer:

        dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength);

        // Read the data:

        aStream.ReadL( dataBuffer );

        // Pop the buffer 

        CleanupStack::Pop(); // dataPart

        // If an old content identifier exists delete it        

        if( iContentID )

            {

            delete iContentID;

            iContentID = NULL;

            }

        // assign the new content id

        iContentID = dataPart;    

        }

    else

        {

        // If an old content identifier exists delete it 

        if( iContentID )

            {

            delete iContentID;

            iContentID = NULL;

            }        

        }           

    // Read the Content Hash

    dataLength = aStream.ReadInt32L();

    if( dataLength )

        {

        // Reserve a new buffer:

        dataPart = HBufC8::NewMaxLC( dataLength );

        // Set the read buffer:

        dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength);

        // Read the data:

        aStream.ReadL( dataBuffer );

        // Pop the buffer 

        CleanupStack::Pop(); // dataPart

        // If an old content identifier exists delete it        

        if( iContentHash )

            {

            delete iContentHash;

            iContentHash = NULL;

            }

        // assign the new content id

        iContentHash = dataPart;    

        }

    else

        {

        // If an old content identifier exists delete it 

        if( iContentHash )

            {

            delete iContentHash;

            iContentHash = NULL;

            }        

        }           

    // Read the rights issuer

    dataLength = aStream.ReadInt32L();

    if( dataLength )

        {

        // Reserve a new buffer:

        dataPart = HBufC8::NewMaxLC( dataLength );

        // Set the read buffer:

        dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength);

        // Read the data:

        aStream.ReadL( dataBuffer );

        // Pop the buffer 

        CleanupStack::Pop(); // dataPart

        // If an old content identifier exists delete it        

        if( iRightsIssuer )

            {

            delete iRightsIssuer;

            iRightsIssuer = NULL;

            }

        // assign the new content id

        iRightsIssuer = dataPart;    

        }

    else

        {

        // If an old content identifier exists delete it 

        if( iRightsIssuer )

            {

            delete iRightsIssuer;

            iRightsIssuer = NULL;

            }        

        }

    // Read the rights issuer

    dataLength = aStream.ReadInt32L();

    if( dataLength )

        {

        HBufC16* dataPart2 = 0;

        TPtr16 dataBuffer2(NULL,0,0);