83d8fdc881
2008/04/01 15:06:38 thb 1.12.16.3: #i85898# Stripping all external header guards 2008/04/01 12:27:18 thb 1.12.16.2: #i85898# Stripping all external header guards 2008/03/31 12:22:40 rt 1.12.16.1: #i87441# Change license header to LPGL v3.
940 lines
32 KiB
C++
940 lines
32 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: multistratumbackend.cxx,v $
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* $Revision: 1.13 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_configmgr.hxx"
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#include "multistratumbackend.hxx"
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#ifndef CONFIGMGR_API_FACTORY_HXX_
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#include "confapifactory.hxx"
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#endif // CONFIGMGR_API_FACTORY_HXX_
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#include "serviceinfohelper.hxx"
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#include "backendstratalistener.hxx"
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#ifndef _CONFIGMGR_BOOTSTRAP_HXX
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#include "bootstrap.hxx"
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#endif
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#include "simpleinteractionrequest.hxx"
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#include "configinteractionhandler.hxx"
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#include <com/sun/star/configuration/backend/XMultiLayerStratum.hpp>
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#include <com/sun/star/configuration/backend/XSingleLayerStratum.hpp>
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#include <com/sun/star/configuration/backend/StratumCreationException.hpp>
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#include <com/sun/star/task/XInteractionHandler.hpp>
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#include <com/sun/star/lang/DisposedException.hpp>
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#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
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#include <rtl/ustrbuf.hxx>
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#include <cppuhelper/exc_hlp.hxx>
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#include <stdio.h>
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//==============================================================================
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#define OU2A(rtlOUString) (::rtl::OUStringToOString((rtlOUString), RTL_TEXTENCODING_ASCII_US).getStr())
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//==============================================================================
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namespace {
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namespace css = com::sun::star;
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}
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namespace configmgr { namespace backend {
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//==============================================================================
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static const rtl::OUString kSchemaServiceParam(
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RTL_CONSTASCII_USTRINGPARAM( CONTEXT_ITEM_PREFIX_ "SchemaSupplier"));
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static const rtl::OUString kStrataServiceParam(
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RTL_CONSTASCII_USTRINGPARAM( CONTEXT_ITEM_PREFIX_ "Strata"));
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static const rtl::OUString kEntity(
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RTL_CONSTASCII_USTRINGPARAM(CONTEXT_ITEM_PREFIX_"EntityLayer")) ;
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static const rtl::OUString kAdminModeFlag(
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RTL_CONSTASCII_USTRINGPARAM(CONTEXT_ITEM_ADMINFLAG)) ;
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static const rtl::OUString kThisOwnerEntity(
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RTL_CONSTASCII_USTRINGPARAM("<ThisOwnerEntity>")) ;
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//------------------------------------------------------------------------------
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bool checkOptionalArg(rtl::OUString& aArg)
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{
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if (aArg.getLength() && aArg[0] == sal_Unicode('?'))
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{
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aArg = aArg.copy(1);
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return true;
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}
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else
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{
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return false;
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}
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}
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//------------------------------------------------------------------------------
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typedef std::pair<rtl::OUString, rtl::OUString> ServiceInfo;
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typedef std::vector<ServiceInfo> ServiceInfoList;
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void parseStrataInfo(const rtl::OUString aServiceList,
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ServiceInfoList& aServiceInfoList,
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const uno::Reference<uno::XInterface>& pContext)
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{
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sal_Int32 nNextToken =0;
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sal_Int32 nLength = aServiceList.getLength();
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do
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{
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OUString aServiceName =aServiceList.getToken(0, ':',nNextToken);
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if((nNextToken ==-1)||(aServiceName.getLength()==0))
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{
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throw backenduno::BackendSetupException(
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"Malformed Strata Service specified")),
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pContext, uno::Any()) ;
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}
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OUString aServiceData = aServiceList.getToken(0, ';',nNextToken);
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ServiceInfo aServiceInfo(aServiceName,aServiceData);
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aServiceInfoList.push_back(aServiceInfo);
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}
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while (nNextToken >= 0 && nNextToken < nLength ) ;
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}
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//------------------------------------------------------------------------------
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MultiStratumBackend::MultiStratumBackend(
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const uno::Reference<uno::XComponentContext>& xContext)
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: BackendBase(mMutex), mFactory(xContext->getServiceManager(),uno::UNO_QUERY_THROW)
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,mListenerList()
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{
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}
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//------------------------------------------------------------------------------
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MultiStratumBackend::~MultiStratumBackend()
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{
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}
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//------------------------------------------------------------------------------
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bool MultiStratumBackend::checkOkState()
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{
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if (!mSchemaSupplier.is())
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{
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if(rBHelper.bDisposed)
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{
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throw lang::DisposedException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"MultiStratumBackend: Backends already disposed")),*this);
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}
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else
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{
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throw uno::RuntimeException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"MultiStratumBackend: Object was never Initialised")),*this);
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}
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}
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return true;
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}
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//------------------------------------------------------------------------------
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void SAL_CALL MultiStratumBackend::initialize(
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const uno::Sequence<uno::Any>& aParameters)
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throw (uno::RuntimeException, uno::Exception,
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css::configuration::InvalidBootstrapFileException,
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backenduno::BackendSetupException) {
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if (aParameters.getLength() == 0) {
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throw lang::IllegalArgumentException(
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"No parameters provided to MultiStratumBackend")),
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*this, 0) ;
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}
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uno::Reference<uno::XComponentContext> context ;
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for (sal_Int32 i = 0 ; i < aParameters.getLength() ; ++ i) {
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if (aParameters [i] >>= context) { break ; }
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}
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try
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{
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//Initialize Backends
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initializeSchemaSupplier (context);
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initializeBackendStrata(context);
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sal_Bool bAdminMode = false;
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context->getValueByName(kAdminModeFlag) >>= bAdminMode;
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if (bAdminMode)
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{
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// find given entity
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OUString sDefaultEntity;
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if ( (context->getValueByName(kEntity) >>= sDefaultEntity) && sDefaultEntity.getLength() )
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{
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for (sal_uInt32 i = 0; i < mBackendStrata.size(); i++)
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{
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uno::Reference< backenduno::XBackendEntities > xEntities( mBackendStrata[i], uno::UNO_QUERY );
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if (xEntities.is()&& xEntities->supportsEntity(sDefaultEntity))
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{
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mBackendStrata.resize(i+1);
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mOwnerEntity = sDefaultEntity;
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break;
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}
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}
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}
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else
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{
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mBackendStrata.resize(1);
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}
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}
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if(mOwnerEntity.getLength()==0)
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{
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uno::Reference< backenduno::XBackendEntities > xEntities(
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mBackendStrata[mBackendStrata.size()-1], uno::UNO_QUERY );
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if (xEntities.is())
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{
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mOwnerEntity = xEntities->getOwnerEntity();
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}
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else
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{
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mOwnerEntity = kThisOwnerEntity;
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}
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}
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mStrataListener = new BackendStrataListener(*this);
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}
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catch(uno::Exception& )
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{
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mSchemaSupplier.clear();
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mBackendStrata.clear() ;
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throw;
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}
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}
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//------------------------------------------------------------------------------
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typedef uno::Reference<backenduno::XSchemaSupplier> SchemaSupplier;
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void MultiStratumBackend::initializeSchemaSupplier(const uno::Reference<uno::XComponentContext>& aContext)
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{
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OUString aServiceName;
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aContext->getValueByName(kSchemaServiceParam) >>= aServiceName;
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uno::Sequence< uno::Any > aInitArgs( 1 );
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aInitArgs[0] <<= aContext;
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mSchemaSupplier = SchemaSupplier::query(mFactory->createInstanceWithArguments(aServiceName,aInitArgs)) ;
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if (!mSchemaSupplier.is())
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{
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throw backenduno::BackendSetupException(
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"MultiStratumBackend: Could not create Schema Supplier service")),
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*this, uno::Any()) ;
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}
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}
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//------------------------------------------------------------------------------
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static
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bool approveRecovery(const backenduno::StratumCreationException & aError)
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{
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using namespace apihelper;
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typedef SimpleInteractionRequest::Continuation Choice;
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Choice const k_supported_choices = CONTINUATION_APPROVE ; //| CONTINUATION_DISAPPROVE;
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Choice chosen = CONTINUATION_UNKNOWN;
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ConfigurationInteractionHandler handler;
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try {
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uno::Reference< css::task::XInteractionHandler > h(handler.get());
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if (h.is()) {
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rtl::Reference< SimpleInteractionRequest > req(
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new SimpleInteractionRequest(
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uno::makeAny(aError), k_supported_choices));
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h->handle(req.get());
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chosen = req->getResponse();
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}
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} catch (uno::Exception & e) {
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OSL_TRACE("Warning - Configuration: Interaction handler failed: [%s]\n", OU2A(e.Message));
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}
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switch (chosen)
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{
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case CONTINUATION_APPROVE: return true;
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case CONTINUATION_DISAPPROVE: return false;
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case CONTINUATION_UNKNOWN: break;
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default: OSL_ENSURE(false,"Unsolicited continuation chosen"); break;
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}
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// no choice available - default: disapprove
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return false;
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}
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//------------------------------------------------------------------------------
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void MultiStratumBackend::initializeBackendStrata(const uno::Reference<uno::XComponentContext>& aContext)
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{
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OUString sStrata;
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//Get Strata
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aContext->getValueByName(kStrataServiceParam) >>= sStrata;
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if(sStrata.getLength()==0)
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{
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throw backenduno::BackendSetupException(
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"MultiStratumBackend: No Strata Services Specified")),
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*this, uno::Any()) ;
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}
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//need to parse the Strata to extract service names and data location
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ServiceInfoList aServiceInfoList;
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parseStrataInfo(sStrata,aServiceInfoList,*this);
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for (ServiceInfoList::const_iterator it = aServiceInfoList.begin(); it != aServiceInfoList.end(); ++it)
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{
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uno::Sequence< uno::Any > aInitArgs( 1 );
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OUString sServiceName = it->first;
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const OUString& sServiceData = it->second;
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aInitArgs[0] <<= sServiceData;
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uno::Reference <uno::XInterface> xBackend;
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bool bOptional = checkOptionalArg(sServiceName);
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try
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{
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xBackend= mFactory->createInstanceWithArguments(sServiceName,aInitArgs);
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}
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catch (uno::Exception& exception)
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{
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if(!bOptional)
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{
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static const sal_Char sErrContext[] = "MultiStratumBackend: Could not create Backend Stratum Service: ";
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OUString const sContext(RTL_CONSTASCII_USTRINGPARAM(sErrContext));
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OUString const sMessage = sContext.concat(exception.Message);
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backenduno::StratumCreationException error(sMessage,*this,
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::cppu::getCaughtException(),
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sServiceName,sServiceData);
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if (!approveRecovery(error))
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throw error;
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}
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}
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if (xBackend.is())
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{
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mBackendStrata.push_back(xBackend) ;
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}
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}
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}
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//---------------------------------------------------------------------------------------------
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// XBackendEntities
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rtl::OUString SAL_CALL
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MultiStratumBackend::getOwnerEntity( )
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throw (uno::RuntimeException)
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{
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if (checkOkState())
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{
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return mOwnerEntity;
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}
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return OUString();
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}
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//------------------------------------------------------------------------------
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rtl::OUString SAL_CALL
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MultiStratumBackend::getAdminEntity()
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throw (uno::RuntimeException)
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{
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osl::MutexGuard aGuard(mMutex);
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if (checkOkState())
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{
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uno::Reference< backenduno::XBackendEntities > xEntities( mBackendStrata[0], uno::UNO_QUERY );
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if(xEntities.is())
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{
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return xEntities->getAdminEntity();
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}
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else
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{
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return OUString();
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}
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}
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return OUString();
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}
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//------------------------------------------------------------------------------
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sal_Bool SAL_CALL
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MultiStratumBackend::supportsEntity( const rtl::OUString& aEntity )
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throw (backenduno::BackendAccessException, uno::RuntimeException)
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{
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osl::MutexGuard aGuard(mMutex);
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if (checkOkState())
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{
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for (BackendStrata::const_iterator it = mBackendStrata.begin(); it != mBackendStrata.end(); ++it)
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{
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uno::Reference< backenduno::XBackendEntities > xEntities( *it, uno::UNO_QUERY );
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if (xEntities.is())
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{
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if( xEntities->supportsEntity(aEntity))
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return true;
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}
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}
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return false;
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}
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return false;
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}
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//------------------------------------------------------------------------------
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sal_Bool SAL_CALL
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MultiStratumBackend::isEqualEntity( const rtl::OUString& aEntity, const rtl::OUString& aOtherEntity )
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throw (backenduno::BackendAccessException,
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lang::IllegalArgumentException,
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uno::RuntimeException)
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{
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osl::MutexGuard aGuard(mMutex);
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if (aEntity.getLength() == 0)
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{
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rtl::OUString const sMsg(RTL_CONSTASCII_USTRINGPARAM(
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"LocalSingleBackend - Invalid empty entity."));
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throw lang::IllegalArgumentException(sMsg, *this, 1);
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}
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if (aOtherEntity.getLength() == 0)
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{
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rtl::OUString const sMsg(RTL_CONSTASCII_USTRINGPARAM(
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"LocalSingleBackend - Invalid empty entity."));
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throw lang::IllegalArgumentException(sMsg, *this, 2);
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}
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if (aEntity.equals(aOtherEntity))
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{
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return true;
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}
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if (checkOkState())
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{
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for (BackendStrata::const_iterator it = mBackendStrata.begin(); it != mBackendStrata.end(); ++it)
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{
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uno::Reference< backenduno::XBackendEntities > xEntities( *it, uno::UNO_QUERY );
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if (xEntities.is())
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{
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if( xEntities->supportsEntity(aEntity))
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return xEntities->isEqualEntity(aEntity,aOtherEntity);
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}
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}
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return false;
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}
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return false;
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}
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//------------------------------------------------------------------------------
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rtl::OUString SAL_CALL
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MultiStratumBackend::getSchemaVersion(const rtl::OUString& aComponent)
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throw (backenduno::BackendAccessException,
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lang::IllegalArgumentException,
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uno::RuntimeException)
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{
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osl::MutexGuard aGuard(mMutex);
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if (checkOkState())
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{
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uno::Reference<backenduno::XVersionedSchemaSupplier> xVersionSupplier(mSchemaSupplier,uno::UNO_QUERY);
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if (xVersionSupplier.is())
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return xVersionSupplier->getSchemaVersion(aComponent) ;
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}
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return rtl::OUString();
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}
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//------------------------------------------------------------------------------
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uno::Reference<backenduno::XSchema> SAL_CALL
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MultiStratumBackend::getComponentSchema(const rtl::OUString& aComponent)
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throw (backenduno::BackendAccessException,
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lang::IllegalArgumentException,
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uno::RuntimeException)
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{
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osl::MutexGuard aGuard(mMutex);
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if (checkOkState())
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{
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return mSchemaSupplier->getComponentSchema(aComponent) ;
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}
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return NULL;
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}
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//------------------------------------------------------------------------------
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uno::Sequence<uno::Reference<backenduno::XLayer> > SAL_CALL
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MultiStratumBackend::listOwnLayers(const rtl::OUString& aComponent)
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throw (backenduno::BackendAccessException,
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lang::IllegalArgumentException,
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uno::RuntimeException)
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{
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if (checkOkState())
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{
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return listLayers(aComponent, mOwnerEntity ) ;
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}
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return uno::Sequence<uno::Reference<backenduno::XLayer> >() ;
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}
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//------------------------------------------------------------------------------
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uno::Reference<backenduno::XUpdateHandler> SAL_CALL
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MultiStratumBackend::getOwnUpdateHandler(const rtl::OUString& aComponent)
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throw (backenduno::BackendAccessException,
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lang::NoSupportException,
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lang::IllegalArgumentException,
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uno::RuntimeException)
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{
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if (checkOkState())
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{
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return getUpdateHandler(aComponent, mOwnerEntity) ;
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}
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return NULL;
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}
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//------------------------------------------------------------------------------
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uno::Sequence<uno::Reference<backenduno::XLayer> > SAL_CALL
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MultiStratumBackend::listLayers(const rtl::OUString& aComponent,
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const rtl::OUString& aEntity)
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throw (backenduno::BackendAccessException,
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lang::IllegalArgumentException,
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uno::RuntimeException)
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{
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osl::MutexGuard aGuard(mMutex);
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if (checkOkState())
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{
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sal_Int32 nNumSupportedLayers = mBackendStrata.size();
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if(aEntity != mOwnerEntity)
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{
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nNumSupportedLayers = findSupportingStratum(aEntity);
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}
|
|
return searchSupportingStrata(nNumSupportedLayers,aEntity,aComponent);
|
|
}
|
|
return uno::Sequence<uno::Reference<backenduno::XLayer> >();
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
sal_Int32 MultiStratumBackend::findSupportingStratum(const rtl::OUString& aEntity)
|
|
{
|
|
sal_Int32 nNumLayers = mBackendStrata.size();
|
|
for (BackendStrata::reverse_iterator it = mBackendStrata.rbegin(); it != mBackendStrata.rend(); ++it)
|
|
{
|
|
uno::Reference< backenduno::XBackendEntities > xEntities( *it, uno::UNO_QUERY );
|
|
if (xEntities.is())
|
|
{
|
|
if( xEntities->supportsEntity(aEntity))
|
|
{
|
|
return nNumLayers;
|
|
}
|
|
}
|
|
nNumLayers--;
|
|
}
|
|
rtl::OUStringBuffer sMsg;
|
|
sMsg.appendAscii("\n MultiStratumBackend: No Backend supports Entity: \"");
|
|
sMsg.append(aEntity);
|
|
throw lang::IllegalArgumentException(sMsg.makeStringAndClear(),
|
|
*this, 0) ;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
typedef std::vector<uno::Reference<backenduno::XLayer> > BackendLayers;
|
|
uno::Sequence<uno::Reference<backenduno::XLayer> >
|
|
MultiStratumBackend::searchSupportingStrata(sal_Int32 nNumLayers,
|
|
rtl::OUString aEntity,
|
|
const rtl::OUString& aComponent)
|
|
{
|
|
uno::Sequence<uno::Reference<backenduno::XLayer> > aLayers;
|
|
BackendLayers aBackendLayers;
|
|
for (sal_Int32 i = 0 ; i < nNumLayers ; ++ i)
|
|
{
|
|
uno::Sequence<uno::Reference<backenduno::XLayer> > aMultiLayers;
|
|
uno::Reference< backenduno::XBackendEntities > xEntities(mBackendStrata[i], uno::UNO_QUERY );
|
|
|
|
uno::Reference<backenduno::XBackend> xBackend(mBackendStrata[i], uno::UNO_QUERY) ;
|
|
if (xBackend.is())
|
|
{
|
|
if (xEntities.is())
|
|
{
|
|
if( !xEntities->supportsEntity(aEntity))
|
|
{
|
|
aEntity = xEntities->getOwnerEntity();
|
|
}
|
|
aMultiLayers = xBackend->listLayers(aComponent, aEntity) ;
|
|
}
|
|
else
|
|
{
|
|
aMultiLayers = xBackend->listOwnLayers(aComponent);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
uno::Reference<backenduno::XMultiLayerStratum> xMultiLayerStratum(
|
|
mBackendStrata[i], uno::UNO_QUERY) ;
|
|
|
|
if (xMultiLayerStratum.is())
|
|
{
|
|
if (xEntities.is())
|
|
{
|
|
if( !xEntities->supportsEntity(aEntity))
|
|
{
|
|
aEntity = xEntities->getOwnerEntity();
|
|
}
|
|
aMultiLayers = xMultiLayerStratum->getLayers(
|
|
xMultiLayerStratum->listLayerIds(aComponent, aEntity),
|
|
rtl::OUString()) ;
|
|
|
|
}
|
|
else
|
|
{
|
|
throw backenduno::BackendSetupException(
|
|
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"MultiStratumBackend: XMultiLayerStratum must support XBackendEntities")),
|
|
*this, uno::Any()) ;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
uno::Reference<backenduno::XSingleLayerStratum> xSingleLayerStratum(
|
|
mBackendStrata[i], uno::UNO_REF_QUERY_THROW) ;
|
|
if (xSingleLayerStratum.is())
|
|
{
|
|
uno::Reference<backenduno::XLayer> xLayer = xSingleLayerStratum->getLayer( aComponent, OUString());
|
|
//Could be an empty layer
|
|
if (xLayer.is())
|
|
{
|
|
aBackendLayers.push_back(xLayer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// There might be non-existent layers in the list if there's no
|
|
// actual data associated to a given layer id. Hence we have to
|
|
// compress the list.
|
|
for (sal_Int32 j = 0 ; j < aMultiLayers.getLength() ; ++j)
|
|
{
|
|
if (aMultiLayers [j].is())
|
|
{
|
|
aBackendLayers.push_back( aMultiLayers[j]);
|
|
}
|
|
}
|
|
}
|
|
aLayers.realloc(aBackendLayers.size());
|
|
for (sal_uInt32 k =0; k < aBackendLayers.size();k++)
|
|
{
|
|
aLayers[k] = aBackendLayers[k];
|
|
}
|
|
return aLayers;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
uno::Reference<backenduno::XUpdateHandler> SAL_CALL
|
|
MultiStratumBackend::getUpdateHandler(const rtl::OUString& aComponent,
|
|
const rtl::OUString& aEntity)
|
|
throw (backenduno::BackendAccessException,
|
|
lang::NoSupportException,
|
|
lang::IllegalArgumentException,
|
|
uno::RuntimeException)
|
|
{
|
|
osl::MutexGuard aGuard(mMutex);
|
|
|
|
if (checkOkState())
|
|
{
|
|
|
|
sal_Int32 nNumSupportedLayers = mBackendStrata.size();
|
|
OUString aUsedEntity;
|
|
|
|
if(aEntity != mOwnerEntity)
|
|
{
|
|
nNumSupportedLayers = findSupportingStratum(aEntity);
|
|
aUsedEntity = aEntity;
|
|
}
|
|
else
|
|
{
|
|
uno::Reference< backenduno::XBackendEntities > xEntities( mBackendStrata[mBackendStrata.size()-1], uno::UNO_QUERY );
|
|
if (xEntities.is())
|
|
{
|
|
aUsedEntity = xEntities->getOwnerEntity();
|
|
}
|
|
}
|
|
sal_Int32 nStrataIndex = nNumSupportedLayers -1;
|
|
|
|
uno::Reference<backenduno::XBackend> xBackend(
|
|
mBackendStrata[nStrataIndex], uno::UNO_QUERY) ;
|
|
uno::Reference< uno::XInterface > xHandler;
|
|
if(xBackend.is())
|
|
{
|
|
if (aUsedEntity.getLength()==0)
|
|
{
|
|
xHandler = xBackend->getOwnUpdateHandler(aComponent) ;
|
|
return uno::Reference<backenduno::XUpdateHandler>(xHandler,uno::UNO_REF_QUERY_THROW);
|
|
}
|
|
else
|
|
{
|
|
xHandler = xBackend->getUpdateHandler(aComponent, aUsedEntity) ;
|
|
return uno::Reference<backenduno::XUpdateHandler>(xHandler,uno::UNO_REF_QUERY_THROW);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
|
|
uno::Sequence<uno::Any> arguments(1) ;
|
|
|
|
uno::Reference< backenduno::XMultiLayerStratum > xMultiLayerStratum
|
|
(mBackendStrata[nStrataIndex], uno::UNO_QUERY );
|
|
if(xMultiLayerStratum.is())
|
|
{
|
|
arguments [0] <<= xMultiLayerStratum->getUpdatableLayer(
|
|
xMultiLayerStratum->getUpdateLayerId(aComponent,aUsedEntity));
|
|
}
|
|
else
|
|
{
|
|
uno::Reference< backenduno::XSingleLayerStratum > xSingleLayerStratum(
|
|
mBackendStrata[nStrataIndex], uno::UNO_REF_QUERY_THROW );
|
|
|
|
arguments [0] <<= xSingleLayerStratum->getUpdatableLayer(aComponent);
|
|
|
|
}
|
|
|
|
if(!xHandler.is())
|
|
{
|
|
try
|
|
{
|
|
const rtl::OUString kUpdateMerger(RTL_CONSTASCII_USTRINGPARAM(
|
|
"com.sun.star.configuration.backend.LayerUpdateMerger")) ;
|
|
|
|
|
|
if(!mFactory.is())
|
|
{
|
|
throw lang::DisposedException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"MultiStratumBackend: Service Factory already dispoed")),*this);
|
|
}
|
|
|
|
xHandler = mFactory->createInstanceWithArguments(kUpdateMerger, arguments);
|
|
}
|
|
catch (uno::RuntimeException & )
|
|
{throw;}
|
|
catch (uno::Exception & e)
|
|
{
|
|
const rtl::OUString sMessage(RTL_CONSTASCII_USTRINGPARAM(
|
|
"Configuration MultiStratumBackend: Cannot create UpdateMerger - error message: ")) ;
|
|
throw uno::RuntimeException(sMessage.concat(e.Message),*this);
|
|
}
|
|
}
|
|
return uno::Reference<backenduno::XUpdateHandler>(xHandler, uno::UNO_REF_QUERY_THROW) ;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
// ---------------------------------------------------------------------------
|
|
// ComponentHelper
|
|
void SAL_CALL MultiStratumBackend::disposing()
|
|
{
|
|
osl::MutexGuard aGuard(mMutex);
|
|
if (mFactory.is())
|
|
{
|
|
mFactory.clear();
|
|
}
|
|
if (mSchemaSupplier.is())
|
|
{
|
|
uno::Reference< lang::XComponent> xComp( mSchemaSupplier, uno::UNO_QUERY);
|
|
if (xComp.is())
|
|
{
|
|
xComp->dispose();
|
|
}
|
|
if (mSchemaSupplier.is())
|
|
{
|
|
mSchemaSupplier.clear();
|
|
}
|
|
}
|
|
if (!mBackendStrata.empty())
|
|
{
|
|
for (BackendStrata::const_iterator it = mBackendStrata.begin(); it != mBackendStrata.end(); ++it)
|
|
{
|
|
uno::Reference< lang::XComponent> xComp( *it, uno::UNO_QUERY );
|
|
if (xComp.is())
|
|
{
|
|
try
|
|
{
|
|
xComp->dispose();
|
|
}
|
|
catch(uno::Exception &){}
|
|
}
|
|
}
|
|
mBackendStrata.clear();
|
|
|
|
}
|
|
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
|
|
static const sal_Char * const kBackendService = "com.sun.star.configuration.backend.Backend" ;
|
|
|
|
static const sal_Char * const kImplementation =
|
|
"com.sun.star.comp.configuration.backend.MultiStratumBackend" ;
|
|
|
|
static const AsciiServiceName kServiceNames [] =
|
|
{
|
|
kBackendService,
|
|
0
|
|
} ;
|
|
static const ServiceImplementationInfo kServiceInfo =
|
|
{
|
|
kImplementation,
|
|
kServiceNames,
|
|
0
|
|
} ;
|
|
|
|
const ServiceRegistrationInfo *getMultiStratumBackendServiceInfo()
|
|
{
|
|
return getRegistrationInfo(&kServiceInfo) ;
|
|
}
|
|
|
|
uno::Reference<uno::XInterface> SAL_CALL
|
|
instantiateMultiStratumBackend(const CreationContext& xContext)
|
|
{
|
|
return *new MultiStratumBackend(xContext) ;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
|
|
static const rtl::OUString kImplementationName(
|
|
RTL_CONSTASCII_USTRINGPARAM(kImplementation)) ;
|
|
//------------------------------------------------------------------------------
|
|
|
|
rtl::OUString SAL_CALL
|
|
MultiStratumBackend::getImplementationName(void)
|
|
throw (uno::RuntimeException)
|
|
{
|
|
return ServiceInfoHelper(&kServiceInfo).getImplementationName() ;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
|
|
sal_Bool SAL_CALL
|
|
MultiStratumBackend::supportsService(const rtl::OUString& aServiceName)
|
|
throw (uno::RuntimeException)
|
|
{
|
|
return ServiceInfoHelper(&kServiceInfo).supportsService(aServiceName) ;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
uno::Sequence<rtl::OUString> SAL_CALL
|
|
MultiStratumBackend::getSupportedServiceNames(void)
|
|
throw (uno::RuntimeException)
|
|
{
|
|
return ServiceInfoHelper(&kServiceInfo).getSupportedServiceNames() ;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void SAL_CALL MultiStratumBackend::addChangesListener( const uno::Reference<backenduno::XBackendChangesListener>& xListener,
|
|
const rtl::OUString& aComponent)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
osl::MutexGuard aGuard(mMutex);
|
|
if(checkOkState())
|
|
{
|
|
|
|
mListenerList.insert( ListenerList::value_type(aComponent, xListener));
|
|
//Now register with lower layers
|
|
for (sal_uInt32 i = 0 ; i < mBackendStrata.size() ; ++ i)
|
|
{
|
|
uno::Reference<backenduno::XBackendChangesNotifier> xBackend(mBackendStrata[i], uno::UNO_QUERY) ;
|
|
if (xBackend.is())
|
|
{
|
|
xBackend->addChangesListener(mStrataListener, aComponent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void SAL_CALL MultiStratumBackend::removeChangesListener( const uno::Reference<backenduno::XBackendChangesListener>& /*xListner*/,
|
|
const rtl::OUString& aComponent)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
osl::MutexGuard aGuard(mMutex);
|
|
if(checkOkState())
|
|
{
|
|
sal_Int32 nCount = mListenerList.count(aComponent);
|
|
if (nCount == 0)
|
|
{
|
|
OSL_TRACE("MultiStratumBackend: removeListener: no listener registered for component %s"
|
|
, aComponent.getStr());
|
|
}
|
|
else
|
|
{
|
|
ListenerList::iterator aIter;
|
|
aIter = mListenerList.find(aComponent);
|
|
mListenerList.erase(aIter);
|
|
if (nCount == 1)
|
|
{
|
|
//Deregister Listener from strata backend if they support notification
|
|
for (sal_uInt32 i = 0 ; i < mBackendStrata.size(); ++ i)
|
|
{
|
|
uno::Reference<backenduno::XBackendChangesNotifier> xBackend(mBackendStrata[i], uno::UNO_QUERY) ;
|
|
if (xBackend.is())
|
|
{
|
|
xBackend->removeChangesListener(mStrataListener, aComponent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void MultiStratumBackend::componentDataChanged(const backenduno::ComponentChangeEvent& aEvent)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
try
|
|
{
|
|
notifyListeners( aEvent);
|
|
|
|
}
|
|
catch (uno::RuntimeException& ) { throw; }
|
|
catch (uno::Exception& e)
|
|
{
|
|
throw lang::WrappedTargetRuntimeException(e.Message, *this, uno::makeAny(e));
|
|
}
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void MultiStratumBackend::disposing( lang::EventObject const & /*rSource*/ )
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{}
|
|
//------------------------------------------------------------------------------
|
|
void MultiStratumBackend::notifyListeners(const backenduno::ComponentChangeEvent& aEvent)const
|
|
{
|
|
//fire off notification to all registered listeners for specific Component
|
|
ListenerList::const_iterator aIter;
|
|
OUString aComponentName = aEvent.Component;
|
|
if (mListenerList.empty())
|
|
{
|
|
OSL_TRACE("MultiStratumBackend: notifyListeners: no listeners registered for component %s",
|
|
aComponentName.getStr());
|
|
}
|
|
else
|
|
{
|
|
aIter = mListenerList.begin();
|
|
do{
|
|
if (aIter->first == aComponentName)
|
|
{
|
|
aIter->second->componentDataChanged(aEvent);
|
|
}
|
|
aIter++;
|
|
}while (aIter != mListenerList.end());
|
|
}
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
} } // configmgr.backend
|
|
|