/** @file

* Copyright (c) 2005-2006 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:  CUpnpHttpServerTransactionHandler declaration.

*

*/

#ifndef UPNPDLNAFILTER_H

#define UPNPDLNAFILTER_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include <f32file.h> 

#include "upnphttpservertransactioncreator.h"

// FORWARD DECLARATION

class CUpnpHttpMessage;

class CUpnpDeviceImplementationBase;

class TInetAddr;

// CLASS DECLARATION

/**

 *  Creates http server transactions and provides methods 

 *  for resolving source file by request URL

 *  Served files are: device and service description xml's and icons.

 *  

 */

NONSHARABLE_CLASS( CUpnpHttpServerTransactionHandler ) : public CBase,

        public MUpnpHttpServerTransactionCreator

    {

public:

    // Public Constructors and destructor

    enum TDescriptionType 

        {

        EDevice,

        EService,

        EIcon,

        ENotFound

        };

    /**

     * Destructor.

     */

    ~CUpnpHttpServerTransactionHandler();

    /**

     * Two-phased constructor.

     */

    static CUpnpHttpServerTransactionHandler* NewL( CUpnpDeviceImplementationBase& aDevice );

    /**

     * Two-phased constructor.

     */

    static CUpnpHttpServerTransactionHandler* NewLC( CUpnpDeviceImplementationBase& aDevice );

    /**

     * Checks correctness of path to, requested in HTTP message, file and 

     *  changes its format to be compliant with Symbian's file system.

     * @since Series60 2.6

     * @param aMsg HTTP message containing file request.

     * @param aPathWithNewMethod reference which is filled with formated path 

     *  to requested file.

     **/

    void FormatPathL( const TDesC8& aUri, TDes& aPathWithNewMethod );

    /**

     * Opens file depending on specified uri and IP address

     *

     * @since Series60 MCL

     * @param aFile File to open

     * @param aUri request uri

     * @param aInetAdress requestor IP address

     * @return error code

     */

    TInt GetFileL( RFile& aFile,

            const TDesC8& aUri, const TInetAddr& aInetAdress );

private:  // from MUpnpHttpServerTransactionCreator

    virtual void NewTransactionL( const TDesC8& aMethod, const TDesC8& aUri, 

        const TInetAddr& aSender, CUpnpHttpServerTransaction*& aResultTrans );

private:

    /**

     * Constructor for performing 1st stage construction

     */

    CUpnpHttpServerTransactionHandler( CUpnpDeviceImplementationBase& aDevice );

    /**

     * EPOC default constructor for performing 2nd stage construction

     */

    void ConstructL();

    TDescriptionType MatchType( const TDesC8& aUri );

private:

    CUpnpDeviceImplementationBase& iDevice;

    };

#endif // UPNPDLNAFILTER_H

// End Of File