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Diffstat (limited to '')
| -rw-r--r-- | connectivity/source/commontools/ConnectionWrapper.cxx | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/connectivity/source/commontools/ConnectionWrapper.cxx b/connectivity/source/commontools/ConnectionWrapper.cxx new file mode 100644 index 000000000..df5ef04ee --- /dev/null +++ b/connectivity/source/commontools/ConnectionWrapper.cxx @@ -0,0 +1,238 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * 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 <connectivity/ConnectionWrapper.hxx> +#include <com/sun/star/beans/PropertyValue.hpp> +#include <com/sun/star/sdbc/XConnection.hpp> +#include <comphelper/uno3.hxx> +#include <comphelper/sequence.hxx> +#include <comphelper/servicehelper.hxx> +#include <comphelper/hash.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <com/sun/star/reflection/ProxyFactory.hpp> +#include <algorithm> + +using namespace connectivity; + +using namespace com::sun::star::uno; +using namespace com::sun::star::lang; +using namespace com::sun::star::beans; +using namespace com::sun::star::sdbc; +using namespace ::com::sun::star::reflection; + +OConnectionWrapper::OConnectionWrapper() +{ + +} + +void OConnectionWrapper::setDelegation(Reference< XAggregation >& _rxProxyConnection,oslInterlockedCount& _rRefCount) +{ + OSL_ENSURE(_rxProxyConnection.is(),"OConnectionWrapper: Connection must be valid!"); + osl_atomic_increment( &_rRefCount ); + if (_rxProxyConnection.is()) + { + // transfer the (one and only) real ref to the aggregate to our member + m_xProxyConnection = _rxProxyConnection; + _rxProxyConnection = nullptr; + ::comphelper::query_aggregation(m_xProxyConnection,m_xConnection); + m_xTypeProvider.set(m_xConnection,UNO_QUERY); + m_xUnoTunnel.set(m_xConnection,UNO_QUERY); + m_xServiceInfo.set(m_xConnection,UNO_QUERY); + + // set ourself as delegator + Reference<XInterface> xIf = static_cast< XUnoTunnel* >( this ); + m_xProxyConnection->setDelegator( xIf ); + + } + osl_atomic_decrement( &_rRefCount ); +} + +void OConnectionWrapper::setDelegation(const Reference< XConnection >& _xConnection + ,const Reference< XComponentContext>& _rxContext + ,oslInterlockedCount& _rRefCount) +{ + OSL_ENSURE(_xConnection.is(),"OConnectionWrapper: Connection must be valid!"); + osl_atomic_increment( &_rRefCount ); + + m_xConnection = _xConnection; + m_xTypeProvider.set(m_xConnection,UNO_QUERY); + m_xUnoTunnel.set(m_xConnection,UNO_QUERY); + m_xServiceInfo.set(m_xConnection,UNO_QUERY); + + Reference< XProxyFactory > xProxyFactory = ProxyFactory::create( _rxContext ); + Reference< XAggregation > xConProxy = xProxyFactory->createProxy(_xConnection); + if (xConProxy.is()) + { + // transfer the (one and only) real ref to the aggregate to our member + m_xProxyConnection = xConProxy; + + // set ourself as delegator + Reference<XInterface> xIf = static_cast< XUnoTunnel* >( this ); + m_xProxyConnection->setDelegator( xIf ); + + } + osl_atomic_decrement( &_rRefCount ); +} + +void OConnectionWrapper::disposing() +{ +m_xConnection.clear(); +} + +OConnectionWrapper::~OConnectionWrapper() +{ + if (m_xProxyConnection.is()) + m_xProxyConnection->setDelegator(nullptr); +} + +// XServiceInfo + +OUString SAL_CALL OConnectionWrapper::getImplementationName( ) +{ + return "com.sun.star.sdbc.drivers.OConnectionWrapper"; +} + + +css::uno::Sequence< OUString > SAL_CALL OConnectionWrapper::getSupportedServiceNames( ) +{ + // first collect the services which are supported by our aggregate + Sequence< OUString > aSupported; + if ( m_xServiceInfo.is() ) + aSupported = m_xServiceInfo->getSupportedServiceNames(); + + // append our own service, if necessary + OUString sConnectionService( "com.sun.star.sdbc.Connection" ); + if ( ::comphelper::findValue( aSupported, sConnectionService ) == -1 ) + { + sal_Int32 nLen = aSupported.getLength(); + aSupported.realloc( nLen + 1 ); + aSupported.getArray()[ nLen ] = sConnectionService; + } + + // outta here + return aSupported; +} + + +sal_Bool SAL_CALL OConnectionWrapper::supportsService( const OUString& _rServiceName ) +{ + return cppu::supportsService(this, _rServiceName); +} + + +Any SAL_CALL OConnectionWrapper::queryInterface( const Type& _rType ) +{ + Any aReturn = OConnection_BASE::queryInterface(_rType); + return aReturn.hasValue() ? aReturn : (m_xProxyConnection.is() ? m_xProxyConnection->queryAggregation(_rType) : aReturn); +} + +Sequence< Type > SAL_CALL OConnectionWrapper::getTypes( ) +{ + return ::comphelper::concatSequences( + OConnection_BASE::getTypes(), + m_xTypeProvider->getTypes() + ); +} + +// css::lang::XUnoTunnel +sal_Int64 SAL_CALL OConnectionWrapper::getSomething( const Sequence< sal_Int8 >& rId ) +{ + if (comphelper::isUnoTunnelId<OConnectionWrapper>(rId)) + return comphelper::getSomething_cast(this); + + if(m_xUnoTunnel.is()) + return m_xUnoTunnel->getSomething(rId); + return 0; +} + + +const Sequence< sal_Int8 > & OConnectionWrapper::getUnoTunnelId() +{ + static const comphelper::UnoIdInit implId; + return implId.getSeq(); +} + +namespace +{ + class TPropertyValueLessFunctor + { + public: + TPropertyValueLessFunctor() + {} + bool operator() (const css::beans::PropertyValue& lhs, const css::beans::PropertyValue& rhs) const + { + return lhs.Name.compareToIgnoreAsciiCase(rhs.Name) < 0; + } + }; + +} + + +// creates a unique id out of the url and sequence of properties +void OConnectionWrapper::createUniqueId( const OUString& _rURL + ,Sequence< PropertyValue >& _rInfo + ,sal_uInt8* _pBuffer + ,const OUString& _rUserName + ,const OUString& _rPassword) +{ + // first we create the digest we want to have + ::comphelper::Hash sha1(::comphelper::HashType::SHA1); + sha1.update(reinterpret_cast<unsigned char const*>(_rURL.getStr()), _rURL.getLength() * sizeof(sal_Unicode)); + if ( !_rUserName.isEmpty() ) + sha1.update(reinterpret_cast<unsigned char const*>(_rUserName.getStr()), _rUserName.getLength() * sizeof(sal_Unicode)); + if ( !_rPassword.isEmpty() ) + sha1.update(reinterpret_cast<unsigned char const*>(_rPassword.getStr()), _rPassword.getLength() * sizeof(sal_Unicode)); + // now we need to sort the properties + auto [begin, end] = asNonConstRange(_rInfo); + std::sort(begin,end,TPropertyValueLessFunctor()); + + for (PropertyValue const & prop : std::as_const(_rInfo)) + { + // we only include strings an integer values + OUString sValue; + if ( prop.Value >>= sValue ) + ; + else + { + sal_Int32 nValue = 0; + if ( prop.Value >>= nValue ) + sValue = OUString::number(nValue); + else + { + Sequence< OUString> aSeq; + if ( prop.Value >>= aSeq ) + { + for(OUString const & s : std::as_const(aSeq)) + sha1.update(reinterpret_cast<unsigned char const*>(s.getStr()), s.getLength() * sizeof(sal_Unicode)); + } + } + } + if ( !sValue.isEmpty() ) + { + // we don't have to convert this into UTF8 because we don't store on a file system + sha1.update(reinterpret_cast<unsigned char const*>(sValue.getStr()), sValue.getLength() * sizeof(sal_Unicode)); + } + } + + std::vector<unsigned char> result(sha1.finalize()); + std::copy(result.begin(), result.end(), _pBuffer); +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |