configurationhelper.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <comphelper/configurationhelper.hxx>
#include <comphelper/sequence.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/configuration/theDefaultProvider.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/util/XChangesBatch.hpp>
 
 
namespace comphelper{
 
 
css::uno::Reference< css::uno::XInterface > ConfigurationHelper::openConfig(const css::uno::Reference< css::uno::XComponentContext >& rxContext,
                                                                            const OUString&                                           sPackage,
                                                                                  EConfigurationModes                                 eMode   )
{
    css::uno::Reference< css::lang::XMultiServiceFactory > xConfigProvider(
        css::configuration::theDefaultProvider::get( rxContext ) );
 
    std::vector< css::uno::Any > lParams;
    css::beans::PropertyValue      aParam ;
 
    // set root path
    aParam.Name    = "nodepath";
    aParam.Value <<= sPackage;
    lParams.emplace_back(aParam);
 
    // enable all locales mode
    if (eMode & EConfigurationModes::AllLocales)
    {
        aParam.Name    = "locale";
        aParam.Value <<= OUString("*");
        lParams.emplace_back(aParam);
    }
 
    // open it
    css::uno::Reference< css::uno::XInterface > xCFG;
 
    bool bReadOnly(eMode & EConfigurationModes::ReadOnly);
    if (bReadOnly)
        xCFG = xConfigProvider->createInstanceWithArguments(
                "com.sun.star.configuration.ConfigurationAccess",
                comphelper::containerToSequence(lParams));
    else
        xCFG = xConfigProvider->createInstanceWithArguments(
                "com.sun.star.configuration.ConfigurationUpdateAccess",
                comphelper::containerToSequence(lParams));
 
    return xCFG;
}
 
 
css::uno::Any ConfigurationHelper::readRelativeKey(const css::uno::Reference< css::uno::XInterface >& xCFG    ,
                                                   const OUString&                            sRelPath,
                                                   const OUString&                            sKey    )
{
    css::uno::Reference< css::container::XHierarchicalNameAccess > xAccess(xCFG, css::uno::UNO_QUERY_THROW);
 
    css::uno::Reference< css::beans::XPropertySet > xProps;
    xAccess->getByHierarchicalName(sRelPath) >>= xProps;
    if (!xProps.is())
    {
        throw css::container::NoSuchElementException(
            "The requested path \"" + sRelPath + "\" does not exist.");
    }
    return xProps->getPropertyValue(sKey);
}
 
 
void ConfigurationHelper::writeRelativeKey(const css::uno::Reference< css::uno::XInterface >& xCFG    ,
                                           const OUString&                            sRelPath,
                                           const OUString&                            sKey    ,
                                           const css::uno::Any&                              aValue  )
{
    css::uno::Reference< css::container::XHierarchicalNameAccess > xAccess(xCFG, css::uno::UNO_QUERY_THROW);
 
    css::uno::Reference< css::beans::XPropertySet > xProps;
    xAccess->getByHierarchicalName(sRelPath) >>= xProps;
    if (!xProps.is())
    {
        throw css::container::NoSuchElementException(
            "The requested path \"" + sRelPath + "\" does not exist.");
    }
    xProps->setPropertyValue(sKey, aValue);
}
 
 
css::uno::Reference< css::uno::XInterface > ConfigurationHelper::makeSureSetNodeExists(const css::uno::Reference< css::uno::XInterface >& xCFG         ,
                                                                                       const OUString&                            sRelPathToSet,
                                                                                       const OUString&                            sSetNode     )
{
    css::uno::Reference< css::container::XHierarchicalNameAccess > xAccess(xCFG, css::uno::UNO_QUERY_THROW);
    css::uno::Reference< css::container::XNameAccess > xSet;
    xAccess->getByHierarchicalName(sRelPathToSet) >>= xSet;
    if (!xSet.is())
    {
        throw css::container::NoSuchElementException(
            "The requested path \"" + sRelPathToSet + "\" does not exist." );
    }
 
    css::uno::Reference< css::uno::XInterface > xNode;
    if (xSet->hasByName(sSetNode))
        xSet->getByName(sSetNode) >>= xNode;
    else
    {
        css::uno::Reference< css::lang::XSingleServiceFactory > xNodeFactory(xSet, css::uno::UNO_QUERY_THROW);
        xNode = xNodeFactory->createInstance();
        css::uno::Reference< css::container::XNameContainer > xSetReplace(xSet, css::uno::UNO_QUERY_THROW);
        xSetReplace->insertByName(sSetNode, css::uno::Any(xNode));
    }
 
    return xNode;
}
 
 
css::uno::Any ConfigurationHelper::readDirectKey(const css::uno::Reference< css::uno::XComponentContext >&    rxContext,
                                                 const OUString&                                       sPackage,
                                                 const OUString&                                       sRelPath,
                                                 const OUString&                                       sKey    ,
                                                       EConfigurationModes                             eMode   )
{
    css::uno::Reference< css::uno::XInterface > xCFG = ConfigurationHelper::openConfig(rxContext, sPackage, eMode);
    return ConfigurationHelper::readRelativeKey(xCFG, sRelPath, sKey);
}
 
 
void ConfigurationHelper::writeDirectKey(const css::uno::Reference< css::uno::XComponentContext >&    rxContext,
                                         const OUString&                                       sPackage,
                                         const OUString&                                       sRelPath,
                                         const OUString&                                       sKey    ,
                                         const css::uno::Any&                                  aValue  ,
                                               EConfigurationModes                             eMode   )
{
    css::uno::Reference< css::uno::XInterface > xCFG = ConfigurationHelper::openConfig(rxContext, sPackage, eMode);
    ConfigurationHelper::writeRelativeKey(xCFG, sRelPath, sKey, aValue);
    ConfigurationHelper::flush(xCFG);
}
 
 
void ConfigurationHelper::flush(const css::uno::Reference< css::uno::XInterface >& xCFG)
{
    css::uno::Reference< css::util::XChangesBatch > xBatch(xCFG, css::uno::UNO_QUERY_THROW);
    xBatch->commitChanges();
}
 
} // namespace comphelper
 
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