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 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * 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_extensions.hxx"

#include "myconfigurationhelper.hxx"
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <rtl/ustrbuf.hxx>
#include <vector>


namespace css = ::com::sun::star;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using ::rtl::OUString;
using ::rtl::OUStringBuffer;
using ::std::vector;


namespace
{
    static const Sequence<Any> sequenceFromVector(const vector<Any>& vec)
    {
        Sequence<Any> result(vec.size());
        for(size_t idx = 0; idx < vec.size(); ++idx)
            result[idx] = vec[idx];
        return result;
    };

    static const OUString noSuchElement(const OUString& path)
    {
        OUStringBuffer buf(256);
        buf.appendAscii("The requested path \"");
        buf.append(path);
        buf.appendAscii("\" does not exists.");
        return buf.makeStringAndClear(); 
    };
}

namespace oooimprovement
{
    Reference<XInterface> MyConfigurationHelper::openConfig(
        const Reference<XMultiServiceFactory> xSMGR,
        const OUString& sPackage,
        sal_Int32 eMode)
    {
        Reference<XMultiServiceFactory> xConfigProvider(
            xSMGR->createInstance(OUString::createFromAscii("com.sun.star.configuration.ConfigurationProvider")),
            UNO_QUERY_THROW);

        vector<Any> lParams;
        css::beans::PropertyValue aParam;

        // set root path
        aParam.Name = OUString::createFromAscii("nodepath");
        aParam.Value <<= sPackage;
        lParams.push_back(makeAny(aParam));

        // enable all locales mode
        if ((eMode & MyConfigurationHelper::E_ALL_LOCALES)==MyConfigurationHelper::E_ALL_LOCALES)
        {
            aParam.Name = OUString::createFromAscii("locale");
            aParam.Value <<= OUString::createFromAscii("*");
            lParams.push_back(makeAny(aParam));
        }

        // enable lazy writing
        sal_Bool bLazy = ((eMode & MyConfigurationHelper::E_LAZY_WRITE)==MyConfigurationHelper::E_LAZY_WRITE);
        aParam.Name = OUString::createFromAscii("lazywrite");
        aParam.Value = makeAny(bLazy);
        lParams.push_back(makeAny(aParam));

        // open it
        Reference<XInterface> xCFG;

        sal_Bool bReadOnly = ((eMode & MyConfigurationHelper::E_READONLY)==MyConfigurationHelper::E_READONLY);
        if (bReadOnly)
            xCFG = xConfigProvider->createInstanceWithArguments(
                OUString::createFromAscii("com.sun.star.configuration.ConfigurationAccess"),
                sequenceFromVector(lParams));
        else
            xCFG = xConfigProvider->createInstanceWithArguments(
                OUString::createFromAscii("com.sun.star.configuration.ConfigurationUpdateAccess"),
                sequenceFromVector(lParams));
        return xCFG;
    }

    Any MyConfigurationHelper::readRelativeKey(
        const Reference<XInterface> xCFG,
        const OUString& sRelPath,
        const OUString& sKey)
    {
        Reference<css::container::XHierarchicalNameAccess> xAccess(xCFG, UNO_QUERY_THROW);

        Reference<css::beans::XPropertySet> xProps;
        xAccess->getByHierarchicalName(sRelPath) >>= xProps;
        if (!xProps.is())
            throw css::container::NoSuchElementException(
                noSuchElement(sRelPath),
                Reference<XInterface>());
        return xProps->getPropertyValue(sKey);
    }

    void MyConfigurationHelper::writeRelativeKey(
        const Reference<XInterface> xCFG,
        const OUString& sRelPath,
        const OUString& sKey,
        const Any& aValue)
    {
        Reference<css::container::XHierarchicalNameAccess> xAccess(xCFG, UNO_QUERY_THROW);

        Reference<css::beans::XPropertySet> xProps;
        xAccess->getByHierarchicalName(sRelPath) >>= xProps;
        if (!xProps.is())
            throw css::container::NoSuchElementException(
                noSuchElement(sRelPath),
                Reference<XInterface>());
        xProps->setPropertyValue(sKey, aValue);
    }

    Any MyConfigurationHelper::readDirectKey(
        const Reference<XMultiServiceFactory> xSMGR,
        const OUString& sPackage,
        const OUString& sRelPath,
        const OUString& sKey,
        sal_Int32 eMode)
    {
        Reference<XInterface> xCFG = MyConfigurationHelper::openConfig(xSMGR, sPackage, eMode);
        return MyConfigurationHelper::readRelativeKey(xCFG, sRelPath, sKey);
    }

    void MyConfigurationHelper::writeDirectKey(
        const Reference<XMultiServiceFactory> xSMGR,
        const OUString& sPackage,
        const OUString& sRelPath,
        const OUString& sKey,
        const Any& aValue,
        sal_Int32 eMode)
    {
        Reference<XInterface> xCFG = MyConfigurationHelper::openConfig(xSMGR, sPackage, eMode);
        MyConfigurationHelper::writeRelativeKey(xCFG, sRelPath, sKey, aValue);
        MyConfigurationHelper::flush(xCFG);
    }

    void MyConfigurationHelper::flush(const Reference<XInterface>& xCFG)
    {
        Reference<css::util::XChangesBatch> xBatch(xCFG, UNO_QUERY_THROW);
        xBatch->commitChanges();
    }
}
