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Diffstat (limited to 'dbaccess/source/core/recovery/storagexmlstream.cxx')
-rw-r--r-- | dbaccess/source/core/recovery/storagexmlstream.cxx | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/dbaccess/source/core/recovery/storagexmlstream.cxx b/dbaccess/source/core/recovery/storagexmlstream.cxx new file mode 100644 index 0000000000..e828ac73d3 --- /dev/null +++ b/dbaccess/source/core/recovery/storagexmlstream.cxx @@ -0,0 +1,139 @@ +/* -*- 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 "storagexmlstream.hxx" + +#include <com/sun/star/embed/ElementModes.hpp> +#include <com/sun/star/xml/sax/XDocumentHandler.hpp> +#include <com/sun/star/xml/sax/Parser.hpp> +#include <com/sun/star/xml/sax/Writer.hpp> + +#include <rtl/ref.hxx> +#include <comphelper/diagnose_ex.hxx> + +namespace dbaccess +{ + + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::UNO_QUERY_THROW; + using ::com::sun::star::uno::XComponentContext; + using ::com::sun::star::embed::XStorage; + using ::com::sun::star::xml::sax::XDocumentHandler; + using ::com::sun::star::xml::sax::XWriter; + using ::com::sun::star::xml::sax::Writer; + using ::com::sun::star::xml::sax::Parser; + using ::com::sun::star::xml::sax::InputSource; + + // StorageXMLOutputStream + StorageXMLOutputStream::StorageXMLOutputStream( const Reference<XComponentContext>& i_rContext, + const Reference< XStorage >& i_rParentStorage, + const OUString& i_rStreamName ) + :StorageOutputStream( i_rParentStorage, i_rStreamName ) + { + const Reference< XWriter > xSaxWriter = Writer::create( i_rContext ); + xSaxWriter->setOutputStream( getOutputStream() ); + + mxHandler.set( xSaxWriter, UNO_QUERY_THROW ); + mxHandler->startDocument(); + + mxAttributes = new comphelper::AttributeList; + } + + StorageXMLOutputStream::~StorageXMLOutputStream() + { + } + + void StorageXMLOutputStream::close() + { + ENSURE_OR_RETURN_VOID( mxHandler.is(), "illegal document handler" ); + mxHandler->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 OUString& i_rName, const OUString& i_rValue ) const + { + mxAttributes->AddAttribute( i_rName, i_rValue ); + } + + void StorageXMLOutputStream::startElement( const OUString& i_rElementName ) + { + ENSURE_OR_RETURN_VOID( mxHandler.is(), "no document handler" ); + + mxHandler->startElement( i_rElementName, mxAttributes ); + mxAttributes = new comphelper::AttributeList; + maElements.push( i_rElementName ); + } + + void StorageXMLOutputStream::endElement() + { + ENSURE_OR_RETURN_VOID( mxHandler.is(), "no document handler" ); + ENSURE_OR_RETURN_VOID( !maElements.empty(), "no element on the stack" ); + + const OUString sElementName( maElements.top() ); + mxHandler->endElement( sElementName ); + maElements.pop(); + } + + void StorageXMLOutputStream::ignorableWhitespace( const OUString& i_rWhitespace ) const + { + ENSURE_OR_RETURN_VOID( mxHandler.is(), "no document handler" ); + + mxHandler->ignorableWhitespace( i_rWhitespace ); + } + + void StorageXMLOutputStream::characters( const OUString& i_rCharacters ) const + { + ENSURE_OR_RETURN_VOID( mxHandler.is(), "no document handler" ); + + mxHandler->characters( i_rCharacters ); + } + + // StorageXMLInputStream + StorageXMLInputStream::StorageXMLInputStream( const Reference<XComponentContext>& i_rContext, + const Reference< XStorage >& i_rParentStorage, + const OUString& i_rStreamName ) + { + ENSURE_OR_THROW( i_rParentStorage.is(), "illegal stream" ); + + const Reference< css::io::XStream > xStream( + i_rParentStorage->openStreamElement( i_rStreamName, css::embed::ElementModes::READ ), css::uno::UNO_SET_THROW ); + m_xInputStream.set( xStream->getInputStream(), css::uno::UNO_SET_THROW ); + + m_xParser.set( Parser::create(i_rContext) ); + } + + void StorageXMLInputStream::import( const Reference< XDocumentHandler >& i_rHandler ) + { + ENSURE_OR_THROW( i_rHandler.is(), "illegal document handler (NULL)" ); + + InputSource aInputSource; + aInputSource.aInputStream = m_xInputStream; + + m_xParser->setDocumentHandler( i_rHandler ); + m_xParser->parseStream( aInputSource ); + } + + StorageXMLInputStream::~StorageXMLInputStream() + { + } + +} // namespace dbaccess + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |