/**

* Copyright (c) 2010 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: CUpnpTmServerDescriptionProvider class implementation.

*

*/

#include "upnptmserverdescriptionprovider.h"

#include <utf.h>

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "upnptmserverdescriptionproviderTraces.h"

#endif

_LIT(KPublic,   "public\\");

_LIT(KIconPath, "icon");

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

//  CUpnpTmServerDescriptionProvider::NewL

//

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

//

CUpnpTmServerDescriptionProvider* CUpnpTmServerDescriptionProvider::NewL()

    {

    OstTraceFunctionEntry0( CUPNPTMSERVERDESCRIPTIONPROVIDER_NEWL_ENTRY );

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self); 

    OstTraceFunctionExit0( CUPNPTMSERVERDESCRIPTIONPROVIDER_NEWL_EXIT );

    return self;

    }

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

//  CUpnpTmServerDescriptionProvider::CUpnpTmServerDescriptionProvider

//

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

//

CUpnpTmServerDescriptionProvider::CUpnpTmServerDescriptionProvider()

    {

    // No implementation required

    }

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

//  CUpnpTmServerDescriptionProvider::~CUpnpTmServerDescriptionProvider

//

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

//

CUpnpTmServerDescriptionProvider::~CUpnpTmServerDescriptionProvider()

    {

    OstTraceFunctionEntry0( CUPNPTMSERVERDESCRIPTIONPROVIDER_CUPNPTMSERVERDESCRIPTIONPROVIDER_ENTRY );

    iFs.Close();

    OstTraceFunctionExit0( CUPNPTMSERVERDESCRIPTIONPROVIDER_CUPNPTMSERVERDESCRIPTIONPROVIDER_EXIT );

    }

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

//  CUpnpTmServerDescriptionProvider::ConstructL

//

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

//

void CUpnpTmServerDescriptionProvider::ConstructL()

    {

    OstTraceFunctionEntry0( CUPNPTMSERVERDESCRIPTIONPROVIDER_CONSTRUCTL_ENTRY );

    User::LeaveIfError( iFs.Connect() );        

    OstTraceFunctionExit0( CUPNPTMSERVERDESCRIPTIONPROVIDER_CONSTRUCTL_EXIT );

    }

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

//  CUpnpTmServerDescriptionProvider::OnDeviceDescription

//

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

//

TInt CUpnpTmServerDescriptionProvider::OnDeviceDescription( 

                                       CUpnpDeviceDescriptionRequest& aRequest )

    {

    OstTraceFunctionEntry0( CUPNPTMSERVERDESCRIPTIONPROVIDER_ONDEVICEDESCRIPTION_ENTRY );

    return OnRequest( aRequest );

    }

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

//  CUpnpTmServerDescriptionProvider::OnServiceDescription

//

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

//

TInt CUpnpTmServerDescriptionProvider::OnServiceDescription( 

                                        CUpnpDeviceDescriptionRequest& aRequest )

    {

    OstTraceFunctionEntry0( CUPNPTMSERVERDESCRIPTIONPROVIDER_ONSERVICEDESCRIPTION_ENTRY );

    return OnRequest( aRequest );

    }

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

//  CUpnpTmServerDescriptionProvider::OnIcon

//

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

//

TInt CUpnpTmServerDescriptionProvider::OnIcon( CUpnpDeviceDescriptionRequest& aRequest )

    {

    OstTraceFunctionEntry0( CUPNPTMSERVERDESCRIPTIONPROVIDER_ONICON_ENTRY );

    return OnRequest( aRequest );

    }

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

//  CUpnpTmServerDescriptionProvider::GetFile

//

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

//

TInt CUpnpTmServerDescriptionProvider::GetFile( const TDesC8& /*aUri*/, RFile& aFile )

    {

    OstTraceFunctionEntry0( CUPNPTMSERVERDESCRIPTIONPROVIDER_GETFILE_ENTRY );

    return ( aFile.Open( iFs, iFilePath, EFileShareReadersOnly | EFileRead ));  

    }

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

//  CUpnpTmServerDescriptionProvider::OnRequest

//

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

//

TInt CUpnpTmServerDescriptionProvider::OnRequest( CUpnpDeviceDescriptionRequest& aRequest )

    {

    OstTraceFunctionEntry0( CUPNPTMSERVERDESCRIPTIONPROVIDER_ONREQUEST_ENTRY );

    TPtrC8 fileName;

    TInt error(KErrNone);

    TPtrC8 urlPath = UpnpFileUtil::ExtractUrlPath( aRequest.Uri(), fileName, error );

    if( error == KErrNone)

        {    

        TRAP( error, OnRequestL( urlPath,fileName ) );

        }

    OstTraceFunctionExit0( CUPNPTMSERVERDESCRIPTIONPROVIDER_ONREQUEST_EXIT );

    return error;

    }

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

//  CUpnpTmServerDescriptionProvider::OnRequestL

//  @param aUrlPath   URL 

//  @param aFileName  FileName 

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

//

void CUpnpTmServerDescriptionProvider::OnRequestL( const TDesC8& aUrlPath, 

                                                              const TDesC8& aFileName )

    {

    OstTraceFunctionEntry0( CUPNPTMSERVERDESCRIPTIONPROVIDER_ONREQUESTL_ENTRY );

    // 8-bit to 16-bit conversion of URL path and file path

    TBuf<UpnpString::KMaxFilenameLength> urlPath;  

    urlPath.Copy(aUrlPath);

    TBuf<UpnpString::KMaxFilenameLength> fileName;  

    fileName.Copy(aFileName);

    // Fetches the private directory

    User::LeaveIfError( iFs.PrivatePath( iFilePath ) );

    iFilePath.Append(KPublic());

    /** 

     * Appends the filename to the file path.

     * 1. In case of icon file, it first appends icon directory and then appends the filename.

     * 2. In case of device and service xml files, it merely appends filename to the file path.

     */

    if ( urlPath.Find(KIconPath()) != KErrNotFound )

        {

        // The request is for icon file

        iFilePath.Append(urlPath.Left(urlPath.Locate(KForwardSlash))); 

        iFilePath.Append(UpnpString::KDoubleBackSlash16());    

        iFilePath.Append(KIconPath());

        }

    else

        {

        iFilePath.Append(urlPath);   

        }

    iFilePath.Append(UpnpString::KDoubleBackSlash16());

    // Appends filename to the file path.

    iFilePath.Append(fileName);

    OstTraceFunctionExit0( CUPNPTMSERVERDESCRIPTIONPROVIDER_ONREQUESTL_EXIT );

    }