// Copyright (c) 2001-2009 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:

// COCSPTransportDefault.  Looks at the URI and creates appropriate transport

// object to send the request.

// 

//

#include <ocsptransport.h>

#include "panic.h"

#include "ocsp.h"

#include <uri8.h>

_LIT8(KHttpString, "http");

EXPORT_C COCSPTransportDefault* COCSPTransportDefault::NewL(TUint32& aIap)

	{

	COCSPTransportDefault* self = new (ELeave) COCSPTransportDefault(aIap);

	return self;

	}

COCSPTransportDefault::COCSPTransportDefault(TUint32& aIap)

	: iIap(aIap)

	{

	}

COCSPTransportDefault::~COCSPTransportDefault()

	{

	delete iTransport;

	}

void COCSPTransportDefault::SendRequest(const TDesC8& aURI, 

										const TDesC8& aRequest,

										const TInt aTimeout,

									    TRequestStatus& iStatus)

	{

	TRAPD(err, CreateTransportL(aURI));

	if (err)

		{

		TRequestStatus* status = &iStatus;

		User::RequestComplete(status, err);

		}

	else

		{

		iTransport->SendRequest(aURI, aRequest, aTimeout, iStatus);

		}

	}

void COCSPTransportDefault::CancelRequest()

	{

	if (iTransport)

		{

		iTransport->CancelRequest();

		}

	}

TPtrC8 COCSPTransportDefault::GetResponse() const

	{

	ASSERT(iTransport);

	return iTransport->GetResponse();

	}

COCSPTransportDefault::TTransportScheme COCSPTransportDefault::IdentifySchemeL(const TDesC8& aURI)

	{

	TTransportScheme ret = ETransportSchemeNotSupported;

	TUriParser8 uri;

	TInt error = uri.Parse(aURI);

	if (error != KErrNone || !uri.IsPresent(EUriScheme))

		{

		return ret;

		}

	const TPtrC8 scheme = uri.Extract(EUriScheme);

	RStringPool stringPool;

	stringPool.OpenL();

	CleanupClosePushL(stringPool);

	RStringF schemeF = stringPool.OpenFStringL(scheme);

	CleanupClosePushL(schemeF);

	RStringF httpF = stringPool.OpenFStringL(KHttpString);

	CleanupClosePushL(httpF);

	if (schemeF == httpF)

		{

		ret = ETransportSchemeHTTP;

		}

	CleanupStack::PopAndDestroy(3); // close httpF, schemeF, stringPool

	return ret;

	}

void COCSPTransportDefault::CreateTransportL(const TDesC8& aURI)

	{

	TTransportScheme scheme = IdentifySchemeL(aURI);

	if (iTransport && iScheme == scheme)

		{

		return; // reuse existing transport

		}

	delete iTransport;

	iTransport = NULL;

	switch (scheme)

		{

		case ETransportSchemeHTTP:

			iTransport = COCSPTransportHttp::NewL(aURI, iIap);

			break;

		default:

			User::Leave(OCSP::KErrInvalidURI);

			break;

		}

	iScheme = scheme;

	}