/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: connpoolconfig.cxx,v $
 * $Revision: 1.7 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"

#ifdef SVX_DLLIMPLEMENTATION
#undef SVX_DLLIMPLEMENTATION
#endif
#include "connpoolconfig.hxx"
#include "connpoolsettings.hxx"

#include "connpooloptions.hxx"
#include <svtools/itemset.hxx>
#include <unotools/confignode.hxx>
#include <comphelper/extract.hxx>
#include <svtools/eitem.hxx>
#include <comphelper/processfactory.hxx>
#include "sdbcdriverenum.hxx"

#include <svx/svxids.hrc>

//........................................................................
namespace offapp
{
//........................................................................

    using namespace ::utl;
    using namespace ::com::sun::star::uno;

    //--------------------------------------------------------------------
    static const ::rtl::OUString& getConnectionPoolNodeName()
    {
        static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("org.openoffice.Office.DataAccess/ConnectionPool");
        return s_sNodeName;
    }

    //--------------------------------------------------------------------
    static const ::rtl::OUString& getEnablePoolingNodeName()
    {
        static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("EnablePooling");
        return s_sNodeName;
    }

    //--------------------------------------------------------------------
    static const ::rtl::OUString& getDriverSettingsNodeName()
    {
        static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("DriverSettings");
        return s_sNodeName;
    }

    //--------------------------------------------------------------------
    static const ::rtl::OUString& getDriverNameNodeName()
    {
        static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("DriverName");
        return s_sNodeName;
    }

    //--------------------------------------------------------------------
    static const ::rtl::OUString& getEnableNodeName()
    {
        static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("Enable");
        return s_sNodeName;
    }

    //--------------------------------------------------------------------
    static const ::rtl::OUString& getTimeoutNodeName()
    {
        static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("Timeout");
        return s_sNodeName;
    }

    //====================================================================
    //= ConnectionPoolConfig
    //====================================================================
    //--------------------------------------------------------------------
    void ConnectionPoolConfig::GetOptions(SfxItemSet& _rFillItems)
    {
        // the config node where all pooling relevant info are stored under
        OConfigurationTreeRoot aConnectionPoolRoot = OConfigurationTreeRoot::createWithServiceFactory(
            ::comphelper::getProcessServiceFactory(), getConnectionPoolNodeName(), -1, OConfigurationTreeRoot::CM_READONLY);

        // the global "enabled" flag
        Any aEnabled = aConnectionPoolRoot.getNodeValue(getEnablePoolingNodeName());
        sal_Bool bEnabled = sal_True;
        aEnabled >>= bEnabled;
        _rFillItems.Put(SfxBoolItem(SID_SB_POOLING_ENABLED, bEnabled));

        // the settings for the single drivers
        DriverPoolingSettings aSettings;
        // first get all the drivers register at the driver manager
        ODriverEnumeration aEnumDrivers;
        for	(	ODriverEnumeration::const_iterator aLoopDrivers = aEnumDrivers.begin();
                aLoopDrivers != aEnumDrivers.end();
                ++aLoopDrivers
            )
        {
            aSettings.push_back(DriverPooling(*aLoopDrivers, sal_False, 120));
        }

        // then look for which of them settings are stored in the configuration
        OConfigurationNode aDriverSettings = aConnectionPoolRoot.openNode(getDriverSettingsNodeName());

        Sequence< ::rtl::OUString > aDriverKeys = aDriverSettings.getNodeNames();
        const ::rtl::OUString* pDriverKeys = aDriverKeys.getConstArray();
        const ::rtl::OUString* pDriverKeysEnd = pDriverKeys + aDriverKeys.getLength();
        for (;pDriverKeys != pDriverKeysEnd; ++pDriverKeys)
        {
            // the name of the driver in this round
            OConfigurationNode aThisDriverSettings = aDriverSettings.openNode(*pDriverKeys);
            ::rtl::OUString sThisDriverName;
            aThisDriverSettings.getNodeValue(getDriverNameNodeName()) >>= sThisDriverName;

            // look if we (resp. the driver manager) know this driver
            // doing O(n) search here, which is expensive, but this doesn't matter in this small case ...
             DriverPoolingSettings::iterator aLookup;
             for	(	aLookup = aSettings.begin();
                    aLookup != aSettings.end();
                    ++aLookup
                )
                if (sThisDriverName.equals(aLookup->sName))
                    break;

            if (aLookup == aSettings.end())
            {	// do not know the driver - add it
                aSettings.push_back(DriverPooling(sThisDriverName, sal_False, 120));

                // and the position of the new entry
                aLookup = aSettings.end();
                --aLookup;
            }

            // now fill this entry with the settings from the configuration
            aThisDriverSettings.getNodeValue(getEnableNodeName()) >>= aLookup->bEnabled;
            aThisDriverSettings.getNodeValue(getTimeoutNodeName()) >>= aLookup->nTimeoutSeconds;
        }

        _rFillItems.Put(DriverPoolingSettingsItem(SID_SB_DRIVER_TIMEOUTS, aSettings));
    }

    //--------------------------------------------------------------------
    void ConnectionPoolConfig::SetOptions(const SfxItemSet& _rSourceItems)
    {
        // the config node where all pooling relevant info are stored under
        OConfigurationTreeRoot aConnectionPoolRoot = OConfigurationTreeRoot::createWithServiceFactory(
            ::comphelper::getProcessServiceFactory(), getConnectionPoolNodeName(), -1, OConfigurationTreeRoot::CM_UPDATABLE);

        if (!aConnectionPoolRoot.isValid())
            // already asserted by the OConfigurationTreeRoot
            return;

        sal_Bool bNeedCommit = sal_False;

        // the global "enabled" flag
        SFX_ITEMSET_GET( _rSourceItems, pEnabled, SfxBoolItem, SID_SB_POOLING_ENABLED, sal_True );
        if (pEnabled)
        {
            sal_Bool bEnabled = pEnabled->GetValue();
            aConnectionPoolRoot.setNodeValue(getEnablePoolingNodeName(), Any(&bEnabled, ::getBooleanCppuType()));
            bNeedCommit = sal_True;
        }

        // the settings for the single drivers
        SFX_ITEMSET_GET( _rSourceItems, pDriverSettings, DriverPoolingSettingsItem, SID_SB_DRIVER_TIMEOUTS, sal_True );
        if (pDriverSettings)
        {
            OConfigurationNode aDriverSettings = aConnectionPoolRoot.openNode(getDriverSettingsNodeName());
            if (!aDriverSettings.isValid())
                return;

            ::rtl::OUString sThisDriverName;
            OConfigurationNode aThisDriverSettings;

            const DriverPoolingSettings& rNewSettings = pDriverSettings->getSettings();
            for (	DriverPoolingSettings::const_iterator aLoop = rNewSettings.begin();
                    aLoop != rNewSettings.end();
                    ++aLoop
                )
            {
                // need the name as ::rtl::OUString
                sThisDriverName = aLoop->sName;

                // the sub-node for this driver
                if (aDriverSettings.hasByName(aLoop->sName))
                    aThisDriverSettings = aDriverSettings.openNode(aLoop->sName);
                else
                    aThisDriverSettings = aDriverSettings.createNode(aLoop->sName);

                // set the values
                aThisDriverSettings.setNodeValue(getDriverNameNodeName(), makeAny(sThisDriverName));
                aThisDriverSettings.setNodeValue(getEnableNodeName(), Any(&aLoop->bEnabled, ::getBooleanCppuType()));
                aThisDriverSettings.setNodeValue(getTimeoutNodeName(), makeAny(aLoop->nTimeoutSeconds));
            }
            bNeedCommit = sal_True;
        }
        if (bNeedCommit)
            aConnectionPoolRoot.commit();
    }

//........................................................................
}	// namespace offapp
//........................................................................