PropertyForward.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
 
#include <PropertyForward.hxx>
 
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/sdbcx/XDataDescriptorFactory.hpp>
#include <com/sun/star/sdbcx/XAppend.hpp>
 
#include <comphelper/property.hxx>
#include <utility>
#include <comphelper/diagnose_ex.hxx>
 
namespace dbaccess
{
 
    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::beans;
    using namespace ::com::sun::star::container;
    using namespace ::com::sun::star::sdbcx;
    using namespace ::com::sun::star::lang;
 
 
    OPropertyForward::OPropertyForward( const Reference< XPropertySet>& _xSource, const Reference< XNameAccess>& _xDestContainer,
            OUString _sName, const std::vector< OUString>& _aPropertyList )
        :m_xSource( _xSource, UNO_SET_THROW )
        ,m_xDestContainer( _xDestContainer, UNO_SET_THROW )
        ,m_sName(std::move( _sName ))
        ,m_bInInsert( false )
    {
 
        osl_atomic_increment(&m_refCount);
        try
        {
            if ( _aPropertyList.empty() )
                _xSource->addPropertyChangeListener( OUString(), this );
            else
            {
                for (auto const& property : _aPropertyList)
                    _xSource->addPropertyChangeListener(property, this);
            }
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION("dbaccess");
        }
        osl_atomic_decrement( &m_refCount );
    }
 
    OPropertyForward::~OPropertyForward()
    {
    }
 
    void SAL_CALL OPropertyForward::propertyChange( const PropertyChangeEvent& evt )
    {
        ::osl::MutexGuard aGuard( m_aMutex );
 
        if ( !m_xDestContainer.is() )
            throw DisposedException( OUString(), *this );
 
        try
        {
            if ( !m_xDest.is() )
            {
                if ( m_xDestContainer->hasByName( m_sName ) )
                {
                    m_xDest.set( m_xDestContainer->getByName( m_sName ), UNO_QUERY_THROW );
                }
                else
                {
                    Reference< XDataDescriptorFactory > xFactory( m_xDestContainer, UNO_QUERY_THROW );
                    m_xDest.set( xFactory->createDataDescriptor(), UNO_SET_THROW );
 
                    ::comphelper::copyProperties( m_xSource, m_xDest );
 
                    m_bInInsert = true;
                    Reference< XAppend > xAppend( m_xDestContainer, UNO_QUERY_THROW );
                    xAppend->appendByDescriptor( m_xDest );
                    m_bInInsert = false;
                }
 
                m_xDestInfo.set( m_xDest->getPropertySetInfo(), UNO_SET_THROW );
            }
 
            if ( m_xDestInfo->hasPropertyByName( evt.PropertyName ) )
            {
                m_xDest->setPropertyValue( evt.PropertyName, evt.NewValue );
            }
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION("dbaccess");
        }
    }
 
    void SAL_CALL OPropertyForward::disposing( const css::lang::EventObject& /*_rSource*/ )
    {
        ::osl::MutexGuard aGuard(m_aMutex);
 
        if ( !m_xSource.is() )
            throw DisposedException( OUString(), *this );
 
        m_xSource->removePropertyChangeListener( OUString(), this );
        m_xSource = nullptr;
        m_xDestContainer = nullptr;
        m_xDestInfo = nullptr;
        m_xDest = nullptr;
    }
 
    void OPropertyForward::setDefinition( const css::uno::Reference< css::beans::XPropertySet>& _xDest )
    {
        ::osl::MutexGuard aGuard( m_aMutex );
        if ( m_bInInsert )
            return;
 
        OSL_ENSURE( !m_xDest.is(), "OPropertyForward::setDefinition: definition object is already set!" );
        try
        {
            m_xDest.set( _xDest, UNO_SET_THROW );
            m_xDestInfo.set( m_xDest->getPropertySetInfo(), UNO_SET_THROW );
            ::comphelper::copyProperties( m_xDest, m_xSource );
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION("dbaccess");
        }
    }
 
}   // namespace dbaccess
 
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