/*

* Copyright (c) 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:

*     This file contains implementation file of the Data and ParameterList classes.

*/

// INCLUDES

#include "common.h"

#include "util.h"

// Maximum time to wait

long g_MaximumShutdownWaitTime;

DWORD g_ErrorCode = NO_ERRORS;

//**********************************************************************************

// Class Data

//

// This class provides data encapsulattion for DataGateway

//**********************************************************************************

Data::Data(const void* data_in, DWORD length, DataType type)

{

	SetData(data_in, length, 0, type);

}

Data::Data(const void* data_in, DWORD length, DWORD offset, DataType type)

{

	SetData(data_in, length, offset, type);

}

Data::Data(const Data& data)

{

	SetData(data.GetData(), data.GetLength(), 0, data.GetType());

}

Data::~Data()

{

	if (m_pData != NULL)

	{

		delete[] m_pData;

		m_pData = NULL;

	}

}

/*

 * This method is used to delete data and set data type to EEmpty

 */

void Data::FreeData()

{

	if (m_pData != NULL)

	{

		delete[] m_pData;

		m_pData = NULL;

		m_Type = EEmpty;

	}

}

/*

 * returns data in Data object given parameter

 */

void* Data::GetData(void *data_out) const

{

	if (data_out != NULL)

	{

		data_out = m_pData;

	}

	return m_pData;

}

/*

 * returns length of data 

 */

DWORD Data::GetLength() const

{

	return m_dwLength;

}

/*

 * returns type of data

 * can be one of the following: EEmpty, EControl, EError, EData

 */

Data::DataType Data::GetType() const

{

	return m_Type;

}

/*

 * This method copies up to length bytes from given data object to class member data object

 */

bool Data::SetData(const void* data_in, DWORD length, DataType type)

{

	return SetData(data_in, length, 0, type);

}

/*

 * This method copies up to length bytes(starting from offset) from given data object to class member data object

 */

bool Data::SetData(const void* data_in, DWORD length, DWORD offset, DataType type)

{

	m_Type = type;

	if (length == 0 || data_in == NULL || offset >= length)

	{

		m_pData = NULL;

		return true;

	}

	m_dwLength = (length - offset);

	m_pData = new BYTE[m_dwLength];

	if (m_pData == NULL)

	{

		Util::Error("Error allocating memory to data object");

		m_Type = EEmpty;

		return false;

	}

	memset(m_pData, 0, m_dwLength);

	memcpy(m_pData, &reinterpret_cast<const char*>(data_in)[offset], m_dwLength);

	return false;

}

/*

 * Used to combine different messages into one.

 * This method appends new data at the end of already excisting data.

 * If new data isn't same type as excisting data it isn't appended.

 * Returns bool value of whether the method has succeeded to append the data or not.

 */

bool Data::AppendData(Data* aData)

{

	if ( m_Type == aData->m_Type )

	{

		//realloc memory

		BYTE* newBlock = (BYTE*) realloc( m_pData, m_dwLength + aData->m_dwLength );

		if ( newBlock != NULL )

		{

			//set new data

			m_pData = newBlock;

			//copy data

			memcpy( ((BYTE*)m_pData) + m_dwLength,

					aData->GetData(),

					aData->GetLength() );

			//update length

			m_dwLength += aData->GetLength();

			return true;

		}

	}

	return false;

}

//**********************************************************************************

// Class ParameterList

//

//**********************************************************************************

ParameterList::ParameterList()

{

}

ParameterList::~ParameterList()

{

	m_Map.clear();

}

void ParameterList::Add(const string& key, const void* value)

{

	m_Map[key] = value;

}

const void* ParameterList::Get(const string& key)

{

	return m_Map[key];

}

// End of the file