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os/persistentdata/traceservices/tracefw/ulogger/src/pluginframework/pluginallocator.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 #include "pluginallocator.h"

    18 #include "uloggeroutputplugin.h"

    19 #include <e32cmn.h>

    20 #include <ecom/ecom.h>

    21 

    22 namespace Ulogger

    23 {

    24 

    25 /*!Default constructor.

    26 */

    27 CPluginAllocator::CPluginAllocator()

    28 	{

    29 	iOutputPluginBase = NULL;

    30 	iInputPluginBase = NULL;

    31 	}

    32 

    33 

    34 /*!Destructor.

    35 */

    36 EXPORT_C CPluginAllocator::~CPluginAllocator()

    37 	{	

    38 	if(iOutputPluginBase)

    39 		{		

    40 		delete iOutputPluginBase;

    41 		iOutputPluginBase = NULL;

    42 		}

    43 	iOutputLib.Close();

    44 		

    45 	if((iOutputLibName.Compare(iInputLibName)!=0) && iInputPluginBase)

    46 		{		

    47 		delete iInputPluginBase;

    48 		iInputPluginBase = NULL;

    49 		}

    50 	iInputLib.Close();

    51 

    52 	REComSession::FinalClose();

    53 	}

    54 

    55 

    56 /*!Standard Symbian OS construction method which leaves object on CleanupStack.

    57 */

    58 EXPORT_C CPluginAllocator* CPluginAllocator::NewLC(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)

    59 	{

    60 	CPluginAllocator* obj = new (ELeave) CPluginAllocator();

    61 	CleanupStack::PushL(obj);

    62 	obj->ConstructL(aOutputPluginName, aInputPluginName);

    63 	return obj;

    64 	}

    65 

    66 

    67 /*!Standard Symbian OS construction method which does not leaves object on CleanupStack.

    68 */

    69 EXPORT_C CPluginAllocator* CPluginAllocator::NewL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)

    70 	{

    71 	CPluginAllocator* obj = CPluginAllocator::NewLC(aOutputPluginName, aInputPluginName);

    72 	CleanupStack::Pop(); //obj

    73 	return obj;

    74 	}

    75 

    76 

    77 /*!Standard Symbian OS construction method.

    78 */

    79 EXPORT_C void CPluginAllocator::ConstructL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)

    80 	{	

    81 	//create output and control channels

    82 	User::LeaveIfError(this->CreateChannelsL(aOutputPluginName, aInputPluginName));

    83 	}

    84 

    85 /*!This function create Output channel according to aOutputSettings.

    86 */

    87 TInt CPluginAllocator::CreateChannelsL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)

    88 	{

    89 	TInt retVal = KErrNone;

    90 	

    91 	iOutputLibName.Copy(aOutputPluginName);

    92 	iInputLibName.Copy(aInputPluginName);

    93 

    94 	//create output plugin

    95 	iOutputPluginBase = (CPlugin*)(CPlugin::NewL(aOutputPluginName));

    96 	

    97 	//create control plugin

    98 	if(iOutputLibName.Compare(iInputLibName) == 0)

    99 		{

   100 		//share implementation

   101 		if(aInputPluginName.Length()>0)

   102 			iInputPluginBase = iOutputPluginBase;

   103 		}

   104 	else

   105 		{

   106 		//create new instance of control plugin

   107 		//ulogger can work without control plugin as this is optional functionality

   108 		if(aInputPluginName.Length()>0)

   109 			iInputPluginBase = (CPlugin*)(CPlugin::NewL(aInputPluginName));

   110 		}

   111 	

   112 	return retVal;

   113 	}

   114 

   115 

   116 EXPORT_C MOutputPlugin* CPluginAllocator::GetOutputPlugin()

   117 	{

   118 	if(iOutputPluginBase)

   119 		return (MOutputPlugin*)iOutputPluginBase->GetInterfaceL(MOutputPlugin::iInterfaceId);

   120 	else

   121 		return NULL;

   122 	}

   123 

   124 EXPORT_C MInputPlugin* CPluginAllocator::GetInputPlugin()

   125 	{

   126 	if(iInputPluginBase)

   127 		return (MInputPlugin*)iInputPluginBase->GetInterfaceL(MInputPlugin::iInterfaceId);

   128 	else

   129 		return NULL;

   130 	}

   131 

   132 EXPORT_C void CPluginAllocator::ListAllImplementationsL(RImplInfoPtrArray& aImplInfoArray)

   133 	{

   134 	REComSession::ListImplementationsL(KCPluginUid, aImplInfoArray);

   135 	}

   136 

   137 } //</namespace Ulogger>
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