// Copyright (c) 2007-2009 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:

//

#include <e32std.h>

#include <ecom/implementationproxy.h>

namespace Ulogger

{

/**

Public Destructor

*/

CFileWriter::~CFileWriter()

	{

	if(iIsOpen)

	    {

	    iLog.Close();

	    }

	iFs.Close();

	}

/**

Creates an instance of CFileWriter object

@return a pointer to the new created CFileWriter Object

@leave KErrNoMemory if no memory

*/

 CFileWriter* CFileWriter::NewL()

	{

	CFileWriter *me = new (ELeave) CFileWriter;

	CleanupStack::PushL(me);

	me->ConstructL();

	CleanupStack::Pop();

	return me;

	}

void CFileWriter::ConstructL()

	{

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

	iIsOpen = EFalse;

	iFileName.Copy(KLogDefaultFileName);	

	}

//Default constructor	

CFileWriter::CFileWriter()

:iMutex(NULL)

	{

	}

void CFileWriter::CloseOutputPlugin()

	{	

	if(!iIsOpen)

	    {

	    return;

	    }

	iLog.Flush();

	iLog.Close();

	iIsOpen = EFalse;

	}

TInt CFileWriter::ConfigureOutputPlugin(const RPointerArray<TPluginConfiguration> &aSettings)

	{	

	CloseOutputPlugin();

	TInt i = aSettings.Count();

	while(i-->0)

		{

		TPluginConfiguration* set = aSettings[i];

		if(set->Key().Compare(KOutputPath) == 0)

			{

			if(set->Value().Length() < iFileName.MaxLength())

			    iFileName.Copy(set->Value());

			else

				return KErrGeneral;

			}		

		}

	return OpenLog();

	}

TInt CFileWriter::OpenLog()

    {

    TInt err = KErrNone;

    if(!iIsOpen)

        {

    	//Check that the log file exists, if not create a blank one.

    	TInt err = iLog.Open(iFs, iFileName, EFileWrite | EFileShareAny);

    	if(err==KErrPathNotFound || err==KErrNotFound)

    		{

    		err = iFs.MkDirAll(iFileName);

    		if(err!=KErrNone && err!=KErrAlreadyExists)

    		    return err;

    		err = iLog.Create(iFs, iFileName, EFileWrite | EFileShareAny);

    		}

		if(err!=KErrNone)

		    return err;

	    iIsOpen = ETrue;

        }

    return err;		

	}

TInt CFileWriter::Write(const TDesC8& aText)

	{	

	return WriteToFile(aText);

	}

TInt CFileWriter::WriteToFile(const TDesC8& aText)

	{

	TInt err = KErrNone;        

	if(!iIsOpen)

	    {

        err = OpenLog();

        if(err!=KErrNone)

            return err;

	    }

    iLog.Write(0x7FFFFFFF, aText);	    

	return err;

	}

TAny* CFileWriter::GetInterfaceL(TPluginInterface aInterfaceId)

	{

	if(aInterfaceId == MOutputPlugin::iInterfaceId)

		return static_cast<MOutputPlugin*>(this);

	else

		return NULL;

	}

} // namespace

//ECOM interface implementations

// Map the interface implementation UIDs to implementation factory functions

const TImplementationProxy ImplementationTable[] =

    {

           IMPLEMENTATION_PROXY_ENTRY(0x102836CA, Ulogger::CFileWriter::NewL)

    };

// Exported proxy for instantiation method resolution.

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(

    TInt& aTableCount)

    {

    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

    return ImplementationTable;

    }