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Diffstat (limited to 'odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXml.cxx')
| -rw-r--r-- | odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXml.cxx | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXml.cxx b/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXml.cxx new file mode 100644 index 000000000..8b53c0ad7 --- /dev/null +++ b/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXml.cxx @@ -0,0 +1,331 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * The Contents of this file are made available subject to the terms of + * the BSD license. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Sun Microsystems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *************************************************************************/ + +#include <cppuhelper/factory.hxx> +#include <cppuhelper/implbase1.hxx> +#include <cppuhelper/implbase2.hxx> +#include <cppuhelper/implbase3.hxx> +#include <osl/diagnose.h> +#include <uno/lbnames.h> + +#include <com/sun/star/lang/XComponent.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/lang/XSingleServiceFactory.hpp> + +#include <com/sun/star/beans/PropertyValue.hpp> + +#include <com/sun/star/xml/sax/XParser.hpp> +#include <com/sun/star/xml/sax/InputSource.hpp> +#include <com/sun/star/xml/sax/XDocumentHandler.hpp> +#include <com/sun/star/xml/sax/XExtendedDocumentHandler.hpp> +#include <com/sun/star/xml/sax/SAXException.hpp> +#include <com/sun/star/xml/XImportFilter.hpp> +#include <com/sun/star/xml/XExportFilter.hpp> + +#include <com/sun/star/io/XInputStream.hpp> +#include <com/sun/star/io/XOutputStream.hpp> +#include <com/sun/star/io/XActiveDataSource.hpp> +#include <com/sun/star/io/XSeekable.hpp> + +using namespace ::rtl; +using namespace ::cppu; +using namespace ::osl; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::io; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::registry; +using namespace ::com::sun::star::xml; +using namespace ::com::sun::star::xml::sax; + +namespace XFlatXml { + +class XFlatXml : public WeakImplHelper3< XImportFilter, XExportFilter, XDocumentHandler> +{ +private: + // the UNO ServiceFactory + Reference< XMultiServiceFactory > m_rServiceFactory; + + // DocumentHandler interface of the css::xml::sax::Writer service + Reference < XExtendedDocumentHandler > m_rDocumentHandler; + + // controls pretty-printing + sal_Bool m_bPrettyPrint; + +public: + + // ctor... + XFlatXml( const Reference< XMultiServiceFactory > &r ) + : m_rServiceFactory(r) + , m_bPrettyPrint(sal_True) + {} + + // XImportFilter + virtual sal_Bool SAL_CALL importer( + const Sequence<PropertyValue>& aSourceData, + const Reference<XDocumentHandler>& xHandler, + const Sequence<OUString>& msUserData); + + // XExportFilter + virtual sal_Bool SAL_CALL exporter( + const Sequence<PropertyValue>& aSourceData, + const Sequence<OUString>& msUserData); + + // XDocumentHandler + virtual void SAL_CALL startDocument(); + virtual void SAL_CALL endDocument(); + virtual void SAL_CALL startElement(const OUString& str, const Reference<XAttributeList>& attriblist); + virtual void SAL_CALL endElement(const OUString& str); + virtual void SAL_CALL characters(const OUString& str); + virtual void SAL_CALL ignorableWhitespace(const OUString& str); + virtual void SAL_CALL processingInstruction(const OUString& str, const OUString& str2); + virtual void SAL_CALL setDocumentLocator(const Reference<XLocator>& doclocator); +}; + +sal_Bool XFlatXml::importer( + const Sequence<PropertyValue>& aSourceData, + const Reference<XDocumentHandler>& xHandler, + const Sequence<OUString>& msUserData) +{ + // get information from media descriptor + // the input stream that represents the imported file + // is most important here since we need to supply it to + // the sax parser that drives the supplied document handler + sal_Int32 nLength = aSourceData.getLength(); + OUString aName, aFileName, aURL; + Reference< XInputStream > xInputStream; + for ( sal_Int32 i = 0 ; i < nLength; i++) + { + aName = aSourceData[i].Name; + if ( aName == "InputStream" ) + aSourceData[i].Value >>= xInputStream; + else if ( aName == "FileName" ) + aSourceData[i].Value >>= aFileName; + else if ( aName == "URL" ) + aSourceData[i].Value >>= aURL; + } + + // we need an input stream + OSL_ASSERT(xInputStream.is()); + if (!xInputStream.is()) return sal_False; + + // rewind seekable stream + Reference< XSeekable > xSeek(xInputStream, UNO_QUERY); + if (xSeek.is()) + xSeek->seek(0); + + + // create SAX parser that will read the document file + // and provide events to xHandler passed to this call + Reference < XParser > xSaxParser( m_rServiceFactory->createInstance( + "com.sun.star.xml.sax.Parser"), UNO_QUERY ); + OSL_ASSERT(xSaxParser.is()); + if(!xSaxParser.is())return sal_False; + + // let the parser try to send the sax event to the document handler + try + { + InputSource aInput; + aInput.sSystemId = aURL; + aInput.sPublicId = aURL; + aInput.aInputStream = xInputStream; + xSaxParser->setDocumentHandler(xHandler); + xSaxParser->parseStream(aInput); + } + catch( Exception &exc) + { + // something went wrong + OSL_FAIL(rtl::OUStringToOString(exc.Message,RTL_TEXTENCODING_UTF8).getStr()); + return sal_False; + } + + // done + return sal_True; +} + +sal_Bool XFlatXml::exporter( + const Sequence<PropertyValue>& aSourceData, + const Sequence<OUString>& msUserData) +{ + + // read source data + // we are especially interested in the output stream + // since that is where our xml-writer will push the data + // from its data-source interface + OUString aName, sURL; + Reference<XOutputStream> rOutputStream; + sal_Int32 nLength = aSourceData.getLength(); + for ( sal_Int32 i = 0 ; i < nLength; i++) + { + aName = aSourceData[i].Name; + if ( aName == "OutputStream" ) + aSourceData[i].Value >>= rOutputStream; + else if ( aName == "URL" ) + aSourceData[i].Value >>= sURL; + } + + if (!m_rDocumentHandler.is()) { + // get the document writer + m_rDocumentHandler = Reference<XExtendedDocumentHandler>( + m_rServiceFactory->createInstance("com.sun.star.xml.sax.Writer"), + UNO_QUERY); + OSL_ASSERT(m_rDocumentHandler.is()); + if (!m_rDocumentHandler.is()) return sal_False; + } + // get data source interface ... + Reference< XActiveDataSource > rDataSource(m_rDocumentHandler, UNO_QUERY); + OSL_ASSERT(rDataSource.is()); + if (!rDataSource.is()) return sal_False; + OSL_ASSERT(rOutputStream.is()); + if (!rOutputStream.is()) return sal_False; + // ... and set output stream + rDataSource->setOutputStream(rOutputStream); + + return sal_True; +} + +// for the DocumentHandler implementation, we just proxy the +// events to the XML writer that we created upon the output stream +// that was provided by the XMLFilterAdapter +void XFlatXml::startDocument(){ + OSL_ASSERT(m_rDocumentHandler.is()); + m_rDocumentHandler->startDocument(); +} + +void XFlatXml::endDocument(){ + OSL_ASSERT(m_rDocumentHandler.is()); + m_rDocumentHandler->endDocument(); +} + +void XFlatXml::startElement(const OUString& str, const Reference<XAttributeList>& attriblist) +{ + OSL_ASSERT(m_rDocumentHandler.is()); + m_rDocumentHandler->startElement(str, attriblist); +} + +void XFlatXml::endElement(const OUString& str) +{ + OSL_ASSERT(m_rDocumentHandler.is()); + m_rDocumentHandler->endElement(str); +} + +void XFlatXml::characters(const OUString& str) +{ + OSL_ASSERT(m_rDocumentHandler.is()); + m_rDocumentHandler->characters(str); +} + +void XFlatXml::ignorableWhitespace(const OUString& str) +{ + OSL_ASSERT(m_rDocumentHandler.is()); + if (!m_bPrettyPrint) return; + m_rDocumentHandler->ignorableWhitespace(str); +} + +void XFlatXml::processingInstruction(const OUString& str, const OUString& str2) +{ + OSL_ASSERT(m_rDocumentHandler.is()); + m_rDocumentHandler->processingInstruction(str, str2); +} + +void XFlatXml::setDocumentLocator(const Reference<XLocator>& doclocator) +{ + OSL_ASSERT(m_rDocumentHandler.is()); + m_rDocumentHandler->setDocumentLocator(doclocator); +} + + +// Component management + +Reference< XInterface > SAL_CALL CreateInstance( const Reference< XMultiServiceFactory > &r) +{ + return Reference< XInterface >(( OWeakObject *)new XFlatXml(r)); +} + +Sequence< OUString > getSupportedServiceNames() +{ + static Sequence < OUString > *pNames = 0; + if( ! pNames ) + { + MutexGuard guard( Mutex::getGlobalMutex() ); + if( !pNames ) + { + static Sequence< OUString > seqNames(1); + seqNames.getArray()[0] = OUString( + "devguide.officedev.samples.filter.FlatXmlCpp"); + pNames = &seqNames; + } + } + return *pNames; +} + +} + +using namespace XFlatXml; +#define IMPLEMENTATION_NAME "devguide.officedev.samples.filter.FlatXmlCpp" + + +extern "C" +{ +SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory( + const char * pImplName, void * pServiceManager, void * pRegistryKey ) +{ + void * pRet = 0; + + if (pServiceManager && rtl_str_compare( pImplName, IMPLEMENTATION_NAME ) == 0) + { + Reference< XSingleServiceFactory > xFactory( createSingleFactory( + reinterpret_cast< XMultiServiceFactory * >( pServiceManager ), + OUString::createFromAscii( pImplName ), + CreateInstance, getSupportedServiceNames() ) ); + + if (xFactory.is()) + { + xFactory->acquire(); + pRet = xFactory.get(); + } + } + return pRet; +} + +SAL_DLLPUBLIC_EXPORT void SAL_CALL component_getImplementationEnvironment( + char const ** ppEnvTypeName, uno_Environment **) +{ + *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME; +} + +} // extern "C" + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |