/*

 * 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 the License "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: 

 * Implementation for DER encoding of GeneralizedTime.

 * Following from the decoding class

 * 1) fractions of seconds are not supported

 * 2) regional time zone offsets are not supported

 *

 */

 #include "panic.h"

 #include <asn1enc.h>

 const TUint KEncodingLengthWithoutSeconds = 13;

 const TUint KEncodingLengthWithSeconds = 15;

 EXPORT_C CASN1EncGeneralizedTime* CASN1EncGeneralizedTime::NewLC(const TTime& aTime)

 	{

 	CASN1EncGeneralizedTime* self = new (ELeave) CASN1EncGeneralizedTime(aTime);

 	CleanupStack::PushL(self);

 	self->ConstructL();

 	return self;

 	}

 EXPORT_C CASN1EncGeneralizedTime* CASN1EncGeneralizedTime::NewL(const TTime& aTime)

 	{

 	CASN1EncGeneralizedTime* self = NewLC(aTime);

 	CleanupStack::Pop(self);

 	return self;

 	}

 CASN1EncGeneralizedTime::CASN1EncGeneralizedTime(const TTime& aTime)

 : CASN1EncPrimitive(EASN1GeneralizedTime), iDateTime(aTime.DateTime())

 	{

 	__ASSERT_ALWAYS(iDateTime.Year() < 10000, Panic(KErrYearTooBigForGeneralizedTime));

 	}

 void CASN1EncGeneralizedTime::CalculateContentsLengthDER()

 	{

 	iContentsLengthDER = 

 		iDateTime.Second() ? KEncodingLengthWithSeconds : KEncodingLengthWithoutSeconds;

 	}

 void CASN1EncGeneralizedTime::WriteContentsDERL(TDes8& aBuf) const

 	{

 	aBuf.SetLength(0);

 	aBuf.AppendNumFixedWidth(iDateTime.Year(), EDecimal, 4);

 	aBuf.AppendNumFixedWidth(iDateTime.Month() + 1, EDecimal, 2);  // Our months are zero-based

 	aBuf.AppendNumFixedWidth(iDateTime.Day() + 1, EDecimal, 2);    // Our days are zero-based

 	aBuf.AppendNumFixedWidth(iDateTime.Hour(), EDecimal, 2);

 	aBuf.AppendNumFixedWidth(iDateTime.Minute(), EDecimal, 2);

 	if (iDateTime.Second())

 		{

 		aBuf.AppendNumFixedWidth(iDateTime.Second(), EDecimal, 2);

 		}

 	aBuf.Append('Z');

 	}