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Diffstat (limited to 'dbaccess/source/core/recovery/storagexmlstream.cxx')
| -rw-r--r-- | dbaccess/source/core/recovery/storagexmlstream.cxx | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/dbaccess/source/core/recovery/storagexmlstream.cxx b/dbaccess/source/core/recovery/storagexmlstream.cxx new file mode 100644 index 000000000000..8405cce75903 --- /dev/null +++ b/dbaccess/source/core/recovery/storagexmlstream.cxx @@ -0,0 +1,197 @@ +/************************************************************************* +* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +* +* Copyright 2009 by Sun Microsystems, Inc. +* +* OpenOffice.org - a multi-platform office productivity suite +* +* 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. +************************************************************************/ + +#include "precompiled_dbaccess.hxx" + +#include "storagexmlstream.hxx" + +/** === begin UNO includes === **/ +#include <com/sun/star/xml/sax/XDocumentHandler.hpp> +#include <com/sun/star/io/XActiveDataSource.hpp> +#include <com/sun/star/xml/sax/XParser.hpp> +/** === end UNO includes === **/ + +#include <comphelper/componentcontext.hxx> +#include <cppuhelper/implbase1.hxx> +#include <rtl/ref.hxx> +#include <tools/diagnose_ex.h> +#include <xmloff/attrlist.hxx> + +#include <stack> + +//...................................................................................................................... +namespace dbaccess +{ +//...................................................................................................................... + + /** === begin UNO using === **/ + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::XInterface; + using ::com::sun::star::uno::UNO_QUERY; + using ::com::sun::star::uno::UNO_QUERY_THROW; + using ::com::sun::star::uno::UNO_SET_THROW; + using ::com::sun::star::uno::Exception; + using ::com::sun::star::uno::RuntimeException; + using ::com::sun::star::uno::Any; + using ::com::sun::star::uno::makeAny; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::uno::Type; + using ::com::sun::star::embed::XStorage; + using ::com::sun::star::xml::sax::XDocumentHandler; + using ::com::sun::star::xml::sax::XAttributeList; + using ::com::sun::star::io::XStream; + using ::com::sun::star::io::XOutputStream; + using ::com::sun::star::io::XActiveDataSource; + using ::com::sun::star::xml::sax::XParser; + using ::com::sun::star::xml::sax::InputSource; + /** === end UNO using === **/ + + //================================================================================================================== + //= StorageXMLOutputStream_Data + //================================================================================================================== + struct StorageXMLOutputStream_Data + { + Reference< XDocumentHandler > xHandler; + ::std::stack< ::rtl::OUString > aElements; + ::rtl::Reference< SvXMLAttributeList > xAttributes; + }; + + //================================================================================================================== + //= StorageXMLOutputStream + //================================================================================================================== + //------------------------------------------------------------------------------------------------------------------ + StorageXMLOutputStream::StorageXMLOutputStream( const ::comphelper::ComponentContext& i_rContext, + const Reference< XStorage >& i_rParentStorage, + const ::rtl::OUString& i_rStreamName ) + :StorageOutputStream( i_rContext, i_rParentStorage, i_rStreamName ) + ,m_pData( new StorageXMLOutputStream_Data ) + { + const Reference< XActiveDataSource > xSaxWriter( i_rContext.createComponent( "com.sun.star.xml.sax.Writer" ), UNO_QUERY_THROW ); + xSaxWriter->setOutputStream( getOutputStream() ); + + m_pData->xHandler.set( xSaxWriter, UNO_QUERY_THROW ); + m_pData->xHandler->startDocument(); + + m_pData->xAttributes = new SvXMLAttributeList; + } + + //------------------------------------------------------------------------------------------------------------------ + StorageXMLOutputStream::~StorageXMLOutputStream() + { + } + + //------------------------------------------------------------------------------------------------------------------ + void StorageXMLOutputStream::close() + { + ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "illegal document handler" ); + m_pData->xHandler->endDocument(); + // do not call the base class, it would call closeOutput on the output stream, which is already done by + // endDocument + } + + //------------------------------------------------------------------------------------------------------------------ + void StorageXMLOutputStream::addAttribute( const ::rtl::OUString& i_rName, const ::rtl::OUString& i_rValue ) const + { + m_pData->xAttributes->AddAttribute( i_rName, i_rValue ); + } + + //------------------------------------------------------------------------------------------------------------------ + void StorageXMLOutputStream::startElement( const ::rtl::OUString& i_rElementName ) const + { + ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "no document handler" ); + + m_pData->xHandler->startElement( i_rElementName, m_pData->xAttributes.get() ); + m_pData->xAttributes = new SvXMLAttributeList; + m_pData->aElements.push( i_rElementName ); + } + + //------------------------------------------------------------------------------------------------------------------ + void StorageXMLOutputStream::endElement() const + { + ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "no document handler" ); + ENSURE_OR_RETURN_VOID( !m_pData->aElements.empty(), "no element on the stack" ); + + const ::rtl::OUString sElementName( m_pData->aElements.top() ); + m_pData->xHandler->endElement( sElementName ); + m_pData->aElements.pop(); + } + + //------------------------------------------------------------------------------------------------------------------ + void StorageXMLOutputStream::ignorableWhitespace( const ::rtl::OUString& i_rWhitespace ) const + { + ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "no document handler" ); + + m_pData->xHandler->ignorableWhitespace( i_rWhitespace ); + } + + //------------------------------------------------------------------------------------------------------------------ + void StorageXMLOutputStream::characters( const ::rtl::OUString& i_rCharacters ) const + { + ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "no document handler" ); + + m_pData->xHandler->characters( i_rCharacters ); + } + + //================================================================================================================== + //= StorageXMLInputStream_Data + //================================================================================================================== + struct StorageXMLInputStream_Data + { + Reference< XParser > xParser; + }; + + //================================================================================================================== + //= StorageXMLInputStream + //================================================================================================================== + //------------------------------------------------------------------------------------------------------------------ + StorageXMLInputStream::StorageXMLInputStream( const ::comphelper::ComponentContext& i_rContext, + const Reference< XStorage >& i_rParentStorage, + const ::rtl::OUString& i_rStreamName ) + :StorageInputStream( i_rContext, i_rParentStorage, i_rStreamName ) + ,m_pData( new StorageXMLInputStream_Data ) + { + m_pData->xParser.set( i_rContext.createComponent( "com.sun.star.xml.sax.Parser" ), UNO_QUERY_THROW ); + } + + //------------------------------------------------------------------------------------------------------------------ + void StorageXMLInputStream::import( const Reference< XDocumentHandler >& i_rHandler ) + { + ENSURE_OR_THROW( i_rHandler.is(), "illegal document handler (NULL)" ); + + InputSource aInputSource; + aInputSource.aInputStream = getInputStream(); + + m_pData->xParser->setDocumentHandler( i_rHandler ); + m_pData->xParser->parseStream( aInputSource ); + } + + //------------------------------------------------------------------------------------------------------------------ + StorageXMLInputStream::~StorageXMLInputStream() + { + } + +//...................................................................................................................... +} // namespace dbaccess +//...................................................................................................................... |