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Diffstat (limited to 'odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilterDetection/filterdetect.cxx')
| -rw-r--r-- | odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilterDetection/filterdetect.cxx | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilterDetection/filterdetect.cxx b/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilterDetection/filterdetect.cxx new file mode 100644 index 000000000..8ced96d3b --- /dev/null +++ b/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilterDetection/filterdetect.cxx @@ -0,0 +1,247 @@ +/* -*- 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 "filterdetect.hxx" +#include <com/sun/star/io/XActiveDataSource.hpp> +#include <com/sun/star/io/XOutputStream.hpp> +#include <com/sun/star/io/XInputStream.hpp> +#include <com/sun/star/io/XSeekable.hpp> +#include <com/sun/star/xml/sax/XDocumentHandler.hpp> +#include <com/sun/star/xml/sax/InputSource.hpp> +#include <com/sun/star/xml/sax/XParser.hpp> +#include <com/sun/star/xml/XImportFilter.hpp> +#include <com/sun/star/xml/XExportFilter.hpp> +#include <com/sun/star/frame/XModel.hpp> +#include <com/sun/star/frame/XController.hpp> +#include <com/sun/star/task/XStatusIndicator.hpp> +#include <com/sun/star/task/XStatusIndicatorFactory.hpp> +#include <com/sun/star/style/XStyleFamiliesSupplier.hpp> +#include <com/sun/star/style/XStyleLoader.hpp> +#include <com/sun/star/document/XExtendedFilterDetection.hpp> +#include <com/sun/star/beans/PropertyState.hpp> +#include <com/sun/star/ucb/SimpleFileAccess.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <cppuhelper/supportsservice.hxx> + +using namespace com::sun::star::uno; +using namespace com::sun::star::document; +using namespace com::sun::star::lang; +using namespace com::sun::star::io; +using namespace com::sun::star::beans; +using namespace com::sun::star::xml::sax; +using namespace com::sun::star::xml; +using namespace com::sun::star::task; +using namespace com::sun::star::frame; +using namespace com::sun::star::container; +using namespace com::sun::star::ucb; + +using ::rtl::OUString; +using ::rtl::OString; + + +OUString SAL_CALL FilterDetect::detect(Sequence< PropertyValue >& aArguments ) + throw( RuntimeException ) +{ + // type name to return + OUString sOriginalTypeName; + OUString sTypeName; + OUString sURL; + // stream of the document to be detected + Reference< XInputStream > xInStream; + for ( sal_Int32 i = 0 ; i < aArguments.getLength(); i++) + { + OUString aName = aArguments[i].Name; + if ( aName == "TypeName" ) + aArguments[i].Value >>= sOriginalTypeName; + if ( aName == "URL" ) + aArguments[i].Value >>= sURL; + if ( aName == "InputStream" ) + aArguments[i].Value >>= xInStream; + } + + if (!xInStream.is()) + { + // open the stream if it was not supplied by the framework + Reference< XSimpleFileAccess3 > xSFI(SimpleFileAccess::create(mxContext)); + if (sURL.getLength() > 0) + { + try + { + xInStream = xSFI->openFileRead( sURL); + } + catch( Exception& ) + { + return sTypeName; + } + } else { + // failed to access UCB + return sTypeName; + } + } + + // flatxml starts with an office:document element. this element + // contains a class="..." attribute by which we can deduct the + // type of document that is to be loaded + + // WARNING: + // parsing the plain text of the document is an easy way to do this + // but not the purest solution, since namespaces and other xml details + // may lead to another syntactic expression of the same document. + // this example works for the way the office serializes its XML stream + // but might need extension for other data sources... + static OString aDocToken("office:document"); + // static OString aClassToken("office:class=\""); + static OString aMimeTypeToken("office:mimetype=\""); + + sal_Int32 nHeadSize = 4096; + Sequence< sal_Int8 > aHeadData(nHeadSize); + + // rewind seekable stream + Reference< XSeekable > xSeek(xInStream, UNO_QUERY); + if (xSeek.is()) + xSeek->seek(0); + + long bytestRead = xInStream->readBytes(aHeadData, nHeadSize); + + OString aHead = OString((const char *)aHeadData.getConstArray(), bytestRead).toAsciiLowerCase(); + + // check for document element of flatxml format + if (aHead.indexOf(aDocToken) >= 0) + { + // read document class + sal_Int32 n = aHead.indexOf(aMimeTypeToken); + if (n >= 0) + { + n += aMimeTypeToken.getLength(); + OString aMimeType = aHead.copy(n, aHead.indexOf('\"', n) - n); + // return type for class found + if (aMimeType.equals("application/x-vnd.oasis.opendocument.text") || + aMimeType.equals("application/vnd.oasis.opendocument.text")) + sTypeName = "devguide_FlatXMLType_Cpp_writer"; + else if (aMimeType.equals("application/x-vnd.oasis.opendocument.text-master") || + aMimeType.equals("application/vnd.oasis.opendocument.text-master")) + sTypeName = "devguide_FlatXMLType_Cpp_master"; + else if (aMimeType.equals("application/x-vnd.oasis.openoffice.text-global") || + aMimeType.equals("application/vnd.oasis.openoffice.text-global")) + sTypeName = "devguide_FlatXMLType_Cpp_master"; + else if (aMimeType.equals("application/x-vnd.oasis.opendocument.spreadsheet") || + aMimeType.equals("application/vnd.oasis.opendocument.spreadsheet")) + sTypeName = "devguide_FlatXMLType_Cpp_calc"; + else if (aMimeType.equals("application/x-vnd.oasis.opendocument.drawing") || + aMimeType.equals("application/vnd.oasis.opendocument.drawing")) + sTypeName = "devguide_FlatXMLType_Cpp_draw"; + else if (aMimeType.equals("application/x-vnd.oasis.opendocument.presentation") || + aMimeType.equals("application/vnd.oasis.opendocument.presentation")) + sTypeName = "devguide_FlatXMLType_Cpp_impress"; + } + } + return sTypeName; +} + + +// XInitialization +void SAL_CALL FilterDetect::initialize( const Sequence< Any >& aArguments ) + throw (Exception, RuntimeException) +{ + Sequence < PropertyValue > aAnySeq; + sal_Int32 nLength = aArguments.getLength(); + if ( nLength && ( aArguments[0] >>= aAnySeq ) ) + { + const PropertyValue * pValue = aAnySeq.getConstArray(); + nLength = aAnySeq.getLength(); + for ( sal_Int32 i = 0 ; i < nLength; i++) + { + if ( pValue[i].Name == "Type" ) + { + pValue[i].Value >>= msFilterName; + } + else if ( pValue[i].Name == "UserData" ) + { + pValue[i].Value >>= msUserData; + } + else if ( pValue[i].Name == "TemplateName" ) + { + pValue[i].Value>>=msTemplateName; + } + } + } +} + +OUString FilterDetect_getImplementationName () + throw (RuntimeException) +{ + return OUString( "devguide.officedev.samples.filter.FlatXmlDetect" ); +} + +#define SERVICE_NAME1 "com.sun.star.document.ExtendedTypeDetection" + +Sequence< OUString > SAL_CALL FilterDetect_getSupportedServiceNames( ) + throw (RuntimeException) +{ + Sequence < OUString > aRet(2); + OUString* pArray = aRet.getArray(); + pArray[0] = OUString ( SERVICE_NAME1 ); + return aRet; +} +#undef SERVICE_NAME1 +#undef SERVICE_NAME2 + +Reference< XInterface > SAL_CALL FilterDetect_createInstance( const Reference< XComponentContext > & rContext) + throw( Exception ) +{ + return (cppu::OWeakObject*) new FilterDetect( rContext ); +} + +// XServiceInfo +OUString SAL_CALL FilterDetect::getImplementationName( ) + throw (RuntimeException) +{ + return FilterDetect_getImplementationName(); +} + +sal_Bool SAL_CALL FilterDetect::supportsService( const OUString& rServiceName ) + throw (RuntimeException) +{ + return cppu::supportsService(this, rServiceName); +} + +Sequence< OUString > SAL_CALL FilterDetect::getSupportedServiceNames( ) + throw (RuntimeException) +{ + return FilterDetect_getSupportedServiceNames(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |