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/*************************************************************************
*
* 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: updatesvc.cxx,v $
* $Revision: 1.12 $
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"
#include "updatesvc.hxx"
#ifndef CONFIGMGR_API_FACTORY_HXX_
#include "confapifactory.hxx"
#endif
#include "emptylayer.hxx"
#include <com/sun/star/configuration/backend/XUpdatableLayer.hpp>
#include <com/sun/star/configuration/backend/XLayerHandler.hpp>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
// -----------------------------------------------------------------------------
namespace configmgr
{
// -----------------------------------------------------------------------------
namespace backend
{
// -----------------------------------------------------------------------------
namespace uno = ::com::sun::star::uno;
namespace lang = ::com::sun::star::lang;
namespace beans = ::com::sun::star::beans;
namespace backenduno = ::com::sun::star::configuration::backend;
// -----------------------------------------------------------------------------
sal_Char const * const aUpdateMergerServices[] =
{
"com.sun.star.configuration.backend.LayerUpdateMerger",
0
};
const ServiceImplementationInfo aUpdateMergerSI =
{
"com.sun.star.comp.configuration.backend.LayerUpdateMerger",
aUpdateMergerServices,
0
};
// -----------------------------------------------------------------------------
const ServiceRegistrationInfo* getUpdateMergerServiceInfo()
{ return getRegistrationInfo(& aUpdateMergerSI); }
// -----------------------------------------------------------------------------
inline
ServiceInfoHelper UpdateService::getServiceInfo()
{
return & aUpdateMergerSI;
}
// -----------------------------------------------------------------------------
UpdateService::UpdateService(uno::Reference< uno::XComponentContext > const & _xContext)
: m_xServiceFactory(_xContext->getServiceManager(),uno::UNO_QUERY)
, m_aSourceMode(merge)
{
if (!m_xServiceFactory.is())
{
rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Configuration Update Merger: Context has no service manager (or missing interface)"));
throw uno::RuntimeException(sMessage,NULL);
}
}
// -----------------------------------------------------------------------------
// XInitialization
void SAL_CALL
UpdateService::initialize( const uno::Sequence< uno::Any >& aArguments )
throw (uno::Exception, uno::RuntimeException)
{
sal_Int16 const nCount = static_cast<sal_Int16>(aArguments.getLength());
if (sal_Int32(nCount) != aArguments.getLength())
{
rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Too many arguments to initialize a Configuration Update Merger"));
throw lang::IllegalArgumentException(sMessage,*this,0);
}
for (sal_Int16 i = 0; i < nCount; ++i)
{
uno::Reference< backenduno::XUpdatableLayer > xUpdLayer;
if (aArguments[i] >>= xUpdLayer)
{
m_xSourceLayer = xUpdLayer.get();
m_xLayerWriter.clear();
OSL_ASSERT( uno::Reference< backenduno::XUpdatableLayer >::query(m_xSourceLayer).is() || !xUpdLayer.is() );
continue;
}
if (aArguments[i] >>= m_xSourceLayer)
continue;
if (aArguments[i] >>= m_xLayerWriter)
continue;
beans::NamedValue aExtraArg;
if (aArguments[i] >>= aExtraArg)
{
OSL_VERIFY( setImplementationProperty(aExtraArg.Name, aExtraArg.Value) );
continue;
}
rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Cannot use argument to initialize a Configuration Update Merger"
"- XLayer, XLayerHandler or XUpdatableLayer expected"));
throw lang::IllegalArgumentException(sMessage,*this,i);
}
}
// -----------------------------------------------------------------------------
sal_Bool UpdateService::setImplementationProperty(rtl::OUString const & aName, uno::Any const & aValue)
{
if (aName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("Overwrite")))
{
sal_Bool bOverwrite = sal_False;
if (aValue >>= bOverwrite)
{
if (!bOverwrite)
m_aSourceMode = protect;
else if (protect == m_aSourceMode)
m_aSourceMode = merge;
return true;
}
}
else if (aName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("Truncate")))
{
sal_Bool bTruncate = sal_False;
if (aValue >>= bTruncate)
{
if (!bTruncate)
m_aSourceMode = merge;
else if (merge == m_aSourceMode)
m_aSourceMode = truncate;
return true;
}
}
return false;
}
// -----------------------------------------------------------------------------
bool UpdateService::validateSourceLayerAndCheckNotEmpty() SAL_THROW( (lang::IllegalAccessException) )
{
switch (m_aSourceMode)
{
case merge: // TODO: check for readonly layer
return true;
case protect: if (!checkEmptyLayer(m_xSourceLayer))
raiseIllegalAccessException("UpdateService: Layer already exists");
// else fall through
case truncate: return false;
default: OSL_ASSERT(!"not reached");
return true;
}
}
// -----------------------------------------------------------------------------
uno::Reference< backenduno::XLayer > UpdateService::getSourceLayer() SAL_THROW( (lang::IllegalAccessException) )
{
if ( validateSourceLayerAndCheckNotEmpty() )
return m_xSourceLayer;
else
return createEmptyLayer();
}
// -----------------------------------------------------------------------------
void UpdateService::raiseIllegalAccessException(sal_Char const * pMsg)
SAL_THROW( (lang::IllegalAccessException) )
{
rtl::OUString sMsg = rtl::OUString::createFromAscii(pMsg);
throw lang::IllegalAccessException(sMsg,*this);
}
// -----------------------------------------------------------------------------
void UpdateService::writeUpdatedLayer(uno::Reference< backenduno::XLayer > const & _xLayer)
{
OSL_ENSURE( _xLayer.is(), "UpdateService: Trying to write NULL XLayer");
if (!_xLayer.is())
{
rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Update Merger - Internal error: trying to write a NULL Layer"));
throw uno::RuntimeException(sMessage,*this);
}
// use our layer writer, if we have one
if ( m_xLayerWriter.is() )
{
_xLayer->readData( m_xLayerWriter );
return;
}
// look for an updatable layer otherwise
uno::Reference< backenduno::XUpdatableLayer > xUpdLayer(m_xSourceLayer, uno::UNO_QUERY);
if (xUpdLayer.is())
{
xUpdLayer->replaceWith( _xLayer );
return;
}
rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Update Merger: Cannot write merge results - no recipient available."));
throw uno::RuntimeException(sMessage,*this);
}
// -----------------------------------------------------------------------------
// XServiceInfo
::rtl::OUString SAL_CALL
UpdateService::getImplementationName( )
throw (uno::RuntimeException)
{
return getServiceInfo().getImplementationName( );
}
// -----------------------------------------------------------------------------
sal_Bool SAL_CALL
UpdateService::supportsService( const ::rtl::OUString& ServiceName )
throw (uno::RuntimeException)
{
return getServiceInfo().supportsService( ServiceName );
}
// -----------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > SAL_CALL
UpdateService::getSupportedServiceNames( )
throw (uno::RuntimeException)
{
return getServiceInfo().getSupportedServiceNames( );
}
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
} // namespace
// -----------------------------------------------------------------------------
} // namespace
|
