/*

* Copyright (c) 2008 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:  MidletAppInfo implementation

*

*/

#include "appmngr2midletstorageutil.h"

#include "exceptionbase.h"

#include "javastoragenames.h"

#include "javasymbianoslayer.h"

#include "javauid.h"

#include "logger.h"                          // LOG

using namespace java::storage;

// ======== MEMBER FUNCTIONS ========

// ---------------------------------------------------------------------------

// CAppMngr2MidletAppInfo::AppMngr2MidletStorageUtil()

// ---------------------------------------------------------------------------

//

AppMngr2MidletStorageUtil::AppMngr2MidletStorageUtil()

{

    mStorage.reset(JavaStorage::createInstance());

    mIsOpen = false;

}

// ---------------------------------------------------------------------------

// CAppMngr2MidletAppInfo::~AppMngr2MidletStorageUtil()

// ---------------------------------------------------------------------------

//

AppMngr2MidletStorageUtil::~AppMngr2MidletStorageUtil()

{

    if (mIsOpen)

    {

        try

        {

            mStorage->close();

        }

        catch (JavaStorageException& aJse)

        {

            // No can do.

            //LOG(EJavaAppMngrPlugin, EInfo, "Storage connection close failed.");

        }

    }

}

void AppMngr2MidletStorageUtil::populateSuiteInformation(const TUid aUid)

{

    mPopulatedEntry.clear();

    checkConnection();

    java::util::Uid javaUid;

    try

    {

        mStorage->read(APPLICATION_PACKAGE_TABLE,

                       TUidToUid(aUid, javaUid),

                       mPopulatedEntry);

    }

    catch (JavaStorageException& aJse)

    {

        WLOG(EJavaAppMngrPlugin, "Suite information population failed.");

    }

}

HBufC* AppMngr2MidletStorageUtil::attribute(const TDesC& aName)

{

    std::auto_ptr<HBufC16> nameBuf(HBufC16::New(aName.Size() + 1));

    if (!nameBuf.get())

    {

        ELOG(EJavaAppMngrPlugin, "Cannot allocate name buffer.");

        throw java::util::ExceptionBase(

            "Out of memory", __FILE__, __FUNCTION__, __LINE__);

    }

    TPtr16 namePtr(nameBuf->Des());

    namePtr.Copy(aName);

    std::wstring name(desToWstring(namePtr));

    JavaStorageEntry attr;

    attr.setEntry(name, L"");

    JavaStorageApplicationEntry_t::const_iterator finder =

        mPopulatedEntry.find(attr);

    std::wstring value = L"";

    if (finder != mPopulatedEntry.end())

    {

        value = (*finder).entryValue();

    }

    else

    {

        ILOG1(EJavaAppMngrPlugin, "Attribute '%S' not found.", name.c_str());

        return NULL;

    }

    HBufC* valueBuf(HBufC16::New(value.size() + 1));

    if (!valueBuf)

    {

        ELOG(EJavaAppMngrPlugin, "Cannot allocate value buffer.");

        throw java::util::ExceptionBase(

            "Out of memory", __FILE__, __FUNCTION__, __LINE__);

    }

    TPtr16 valuePtr(valueBuf->Des());

    valuePtr = (const TUint16*)value.c_str();

    return valueBuf;    // Ownership is transfered.

}

void AppMngr2MidletStorageUtil::checkConnection()

{

    if (!mIsOpen)

    {

        try

        {

            mStorage->open();

            mIsOpen = true;

        }

        catch (JavaStorageException& aJse)

        {

            WLOG(EJavaAppMngrPlugin, "Cannot open storage connection.");

        }

    }

}