processfactory.cxx

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#include <mutex>
#include <comphelper/processfactory.hxx>

#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/uno/DeploymentException.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>

namespace com::sun::star::uno { class XComponentContext; }

using namespace ::com::sun::star;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace osl;

namespace comphelper
{

namespace {

class LocalProcessFactory {
public:
    void set( const Reference< XMultiServiceFactory >& xSMgr )
    {
        std::unique_lock aGuard( maMutex );

        xProcessFactory = xSMgr;
    }

    Reference< XMultiServiceFactory > get() const
    {
        std::unique_lock aGuard( maMutex );

        return xProcessFactory;
    }

private:
    mutable std::mutex maMutex;
    Reference< XMultiServiceFactory > xProcessFactory;
};

/*
    This var preserves only that the above xProcessFactory variable will not be create when
    the library is loaded.
*/
LocalProcessFactory localProcessFactory;

}

void setProcessServiceFactory(const Reference< XMultiServiceFactory >& xSMgr)
{
    localProcessFactory.set( xSMgr );
}

Reference< XMultiServiceFactory > getProcessServiceFactory()
{
    Reference< XMultiServiceFactory> xReturn = localProcessFactory.get();
    if ( !xReturn.is() )
    {
        throw DeploymentException( "null process service factory" );
    }
    return xReturn;
}

Reference< XComponentContext > getComponentContext(
    Reference< XMultiServiceFactory > const & factory)
{
    Reference< XComponentContext > xRet;
    uno::Reference<beans::XPropertySet> const xProps( factory, uno::UNO_QUERY );
    if (xProps.is()) {
        static constexpr OUStringLiteral DEFAULT_CONTEXT = u"DefaultContext";
        try {
            xRet.set( xProps->getPropertyValue(DEFAULT_CONTEXT),
                      uno::UNO_QUERY );
        }
        catch (beans::UnknownPropertyException & e) {
            throw DeploymentException(
                "unknown service factory DefaultContext property: " + e.Message,
                Reference<XInterface>(factory, UNO_QUERY) );
        }
    }
    if ( !xRet.is() )
    {
        throw DeploymentException(
            "no service factory DefaultContext",
            Reference<XInterface>(factory, UNO_QUERY) );
    }
    return xRet;
}

Reference< XComponentContext > getProcessComponentContext()
{
    return getComponentContext( getProcessServiceFactory() );
}

} // namespace comphelper

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