506 lines
22 KiB
C++
506 lines
22 KiB
C++
/*************************************************************************
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*
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* $RCSfile: xcreator.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: mav $ $Date: 2003-12-01 08:41:13 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _COM_SUN_STAR_EMBED_ELEMENTMODES_HPP_
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#include <com/sun/star/embed/ElementModes.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_ENTRYINITMODES_HPP_
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#include <com/sun/star/embed/EntryInitModes.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_XEMBEDOBJECTFACTORY_HPP_
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#include <com/sun/star/embed/XEmbedObjectFactory.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_XLINKFACTORY_HPP_
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#include <com/sun/star/embed/XLinkFactory.hpp>
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#endif
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#ifndef _COM_SUN_STAR_DOCUMENT_XTYPEDETECTION_HPP_
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#include <com/sun/star/document/XTypeDetection.hpp>
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#endif
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#ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_
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#include <com/sun/star/beans/PropertyValue.hpp>
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#endif
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#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
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#include <com/sun/star/beans/XPropertySet.hpp>
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#endif
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#ifndef _COM_SUN_STAR_CONTAINER_XNAMEACCESS_HPP_
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#include <com/sun/star/container/XNameAccess.hpp>
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#endif
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#ifndef _COM_SUN_STAR_LANG_XCOMPONENT_HPP_
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#include <com/sun/star/lang/XComponent.hpp>
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#endif
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#include "xcreator.hxx"
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#include "convert.hxx"
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using namespace ::com::sun::star;
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::rtl::OUString GetDocServiceNameFromFilter( const ::rtl::OUString& aFilterName,
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const uno::Reference< lang::XMultiServiceFactory >& xFactory );
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//-------------------------------------------------------------------------
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uno::Sequence< ::rtl::OUString > SAL_CALL UNOEmbeddedObjectCreator::impl_staticGetSupportedServiceNames()
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{
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uno::Sequence< ::rtl::OUString > aRet(2);
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aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.embed.EmbeddedObjectCreator");
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aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.EmbeddedObjectCreator");
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return aRet;
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}
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//-------------------------------------------------------------------------
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::rtl::OUString SAL_CALL UNOEmbeddedObjectCreator::impl_staticGetImplementationName()
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{
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return ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.EmbeddedObjectCreator");
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}
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//-------------------------------------------------------------------------
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uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::impl_staticCreateSelfInstance(
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const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
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{
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return uno::Reference< uno::XInterface >( *new UNOEmbeddedObjectCreator( xServiceManager ) );
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}
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//-------------------------------------------------------------------------
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uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromEntry(
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const uno::Reference< embed::XStorage >& xStorage,
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const ::rtl::OUString& sEntName,
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sal_Bool bIsReadonly )
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throw ( lang::IllegalArgumentException,
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container::NoSuchElementException,
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io::IOException,
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uno::Exception,
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uno::RuntimeException)
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{
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if ( !xStorage.is() )
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throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
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uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ),
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1 );
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if ( !sEntName.getLength() )
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throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
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uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ),
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2 );
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uno::Reference< container::XNameAccess > xNameAccess( xStorage, uno::UNO_QUERY );
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if ( !xNameAccess.is() )
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throw uno::RuntimeException(); //TODO
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// detect entry existence
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if ( !xNameAccess->hasByName( sEntName ) )
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throw container::NoSuchElementException();
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uno::Reference< uno::XInterface > xResult;
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if ( xStorage->isStorageElement( sEntName ) )
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{
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// the object must be based on storage
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uno::Reference< embed::XStorage > xSubStorage =
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xStorage->openStorageElement( sEntName, embed::ElementModes::ELEMENT_READ );
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uno::Reference< beans::XPropertySet > xPropSet( xSubStorage, uno::UNO_QUERY );
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if ( !xPropSet.is() )
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throw uno::RuntimeException();
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::rtl::OUString aMediaType;
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try {
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uno::Any aAny = xPropSet->getPropertyValue( ::rtl::OUString::createFromAscii( "MediaType" ) );
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aAny >>= aMediaType;
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}
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catch ( uno::Exception& )
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{
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}
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try {
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uno::Reference< lang::XComponent > xComp( xSubStorage, uno::UNO_QUERY );
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if ( xComp.is() )
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xComp->dispose();
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}
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catch ( uno::Exception& )
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{
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}
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// TODO: in future it is possible to have another objects based on storages
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// in this case first a factory service name will be detected from the configuration
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// and then it will be used with ClassID from the same entry
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::rtl::OUString aDocServiceName = GetDocumentServiceFromMediaType( aMediaType );
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if ( !aDocServiceName.getLength() )
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{
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// only own document can be based on storage for now
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// in case it is not possible to find related
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// document service name the storage entry is invalid
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throw io::IOException(); // unexpected mimetype of the storage
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}
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uno::Reference< embed::XEmbedObjectFactory > xOOoEmbFact(
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m_xFactory->createInstance(
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::rtl::OUString::createFromAscii( "com.sun.star.embed.OOoEmbeddedObjectFactory" ) ),
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uno::UNO_QUERY );
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if ( !xOOoEmbFact.is() )
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throw uno::RuntimeException(); // TODO:
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uno::Sequence< beans::PropertyValue > aTempMediaDescr( 1 );
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aTempMediaDescr[0].Name = ::rtl::OUString::createFromAscii( "ReadOnly" );
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aTempMediaDescr[0].Value <<= bIsReadonly;
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xResult = xOOoEmbFact->createInstanceUserInit( GetClassIDFromServName( aDocServiceName ),
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GetClassNameFromServName( aDocServiceName ),
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xStorage,
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sEntName,
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embed::EntryInitModes::ENTRY_DEFAULT_INIT,
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aTempMediaDescr );
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}
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else
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{
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// the object must be based on stream
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// it means for now that this is an OLE object
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// the object will be created as embedded object
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// after it is loaded it can detect that it is a link
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uno::Reference< io::XStream > xSubStream =
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xStorage->openStreamElement( sEntName, embed::ElementModes::ELEMENT_READ );
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uno::Reference< beans::XPropertySet > xPropSet( xSubStream, uno::UNO_QUERY );
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if ( !xPropSet.is() )
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throw uno::RuntimeException();
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::rtl::OUString aMediaType;
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try {
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uno::Any aAny = xPropSet->getPropertyValue( ::rtl::OUString::createFromAscii( "MediaType" ) );
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aAny >>= aMediaType;
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}
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catch ( uno::Exception& )
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{
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}
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try {
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uno::Reference< lang::XComponent > xComp( xSubStream, uno::UNO_QUERY );
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if ( xComp.is() )
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xComp->dispose();
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}
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catch ( uno::Exception& )
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{
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}
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if ( aMediaType.equalsAscii( "application/vnd.sun.star.oleobject" ) )
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{
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uno::Reference< embed::XEmbedObjectCreator > xOleEmbCreator(
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m_xFactory->createInstance(
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::rtl::OUString::createFromAscii( "com.sun.star.embed.OleEmbeddedObjectFactory" ) ),
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uno::UNO_QUERY );
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if ( !xOleEmbCreator.is() )
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throw uno::RuntimeException(); // TODO:
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xResult = xOleEmbCreator->createInstanceInitFromEntry( xStorage, sEntName, bIsReadonly );
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}
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else
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{
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// TODO: in future it is possible to have different object implementations based on stream
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// in this case the media-type of the stream will be used to detect factory and may be ClassID
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// for OLE objects ClassID will be detected during object loading.
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// if ClassID can not be detected the *Creator interface must be used, otherwise *Factory can be used.
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throw io::IOException(); // unexpected mimetype of the stream
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}
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}
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return xResult;
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}
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//-------------------------------------------------------------------------
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uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromMediaDescriptor(
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const uno::Reference< embed::XStorage >& xStorage,
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const ::rtl::OUString& sEntName,
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const uno::Sequence< beans::PropertyValue >& aMediaDescr )
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throw ( lang::IllegalArgumentException,
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io::IOException,
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uno::Exception,
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uno::RuntimeException)
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{
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if ( !xStorage.is() )
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throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
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uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ),
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1 );
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if ( !sEntName.getLength() )
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throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
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uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ),
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2 );
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uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
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// check if there is FilterName
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::rtl::OUString aFilterName;
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for ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ )
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if ( aTempMedDescr[nInd].Name.equalsAscii( "FilterName" ) )
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aTempMedDescr[nInd].Value >>= aFilterName;
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if ( !aFilterName.getLength() )
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{
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// filter name is not specified, so type detection should be done
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uno::Reference< document::XTypeDetection > xTypeDetection(
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m_xFactory->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.document.TypeDetection" ) ),
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uno::UNO_QUERY );
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if ( !xTypeDetection.is() )
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throw uno::RuntimeException(); // TODO
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// get TypeName
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::rtl::OUString aTypeName = xTypeDetection->queryTypeByDescriptor( aTempMedDescr, sal_True );
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// get FilterName
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for ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ )
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if ( aTempMedDescr[nInd].Name.equalsAscii( "FilterName" ) )
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aTempMedDescr[nInd].Value >>= aFilterName;
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}
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uno::Reference< uno::XInterface > xResult;
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if ( aFilterName.getLength() )
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{
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// the object can be loaded by one of the office application
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::rtl::OUString aDocServiceName = GetDocServiceNameFromFilter( aFilterName, m_xFactory );
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if ( !aDocServiceName.getLength() )
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throw io::IOException(); // TODO: filter detection failed
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uno::Reference< embed::XEmbedObjectFactory > xOOoEmbFact(
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m_xFactory->createInstance(
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::rtl::OUString::createFromAscii( "com.sun.star.embed.OOoEmbeddedObjectFactory" ) ),
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uno::UNO_QUERY );
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if ( !xOOoEmbFact.is() )
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throw uno::RuntimeException(); // TODO:
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xResult = xOOoEmbFact->createInstanceUserInit( GetClassIDFromServName( aDocServiceName ),
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GetClassNameFromServName( aDocServiceName ),
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xStorage,
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sEntName,
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embed::EntryInitModes::ENTRY_MEDIA_DESCRIPTOR_INIT,
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aTempMedDescr );
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}
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else
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{
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// must be an OLE object
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// TODO: in future, when more object types are possible this place seems
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// to be a weak one, probably configuration must provide a type detection service
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// for every factory, so any file could go through services until it is recognized
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// or there is no more services
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// Or for example the typename can be used to detect object type if typedetection
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// was also extended.
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uno::Reference< embed::XEmbedObjectCreator > xOleEmbCreator(
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m_xFactory->createInstance(
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::rtl::OUString::createFromAscii( "com.sun.star.embed.OleEmbeddedObjectFactory" ) ),
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uno::UNO_QUERY );
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if ( !xOleEmbCreator.is() )
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throw uno::RuntimeException(); // TODO:
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xResult = xOleEmbCreator->createInstanceInitFromMediaDescriptor( xStorage, sEntName, aTempMedDescr );
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}
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return xResult;
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}
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//-------------------------------------------------------------------------
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uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceLink(
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const uno::Reference< embed::XStorage >& xStorage,
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const ::rtl::OUString& sEntName,
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const uno::Sequence< beans::PropertyValue >& aMediaDescr )
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throw ( lang::IllegalArgumentException,
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io::IOException,
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uno::Exception,
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uno::RuntimeException )
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{
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uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
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// check if there is FilterName and URL, URL must exist
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::rtl::OUString aFilterName;
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::rtl::OUString aURL;
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for ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ )
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if ( aTempMedDescr[nInd].Name.equalsAscii( "FilterName" ) )
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aTempMedDescr[nInd].Value >>= aFilterName;
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else if ( aTempMedDescr[nInd].Name.equalsAscii( "URL" ) )
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aTempMedDescr[nInd].Value >>= aURL;
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if ( !aURL.getLength() )
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throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No URL for the link is provided!\n" ),
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uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ),
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3 );
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if ( !aFilterName.getLength() )
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{
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uno::Reference< document::XTypeDetection > xTypeDetection(
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m_xFactory->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.document.TypeDetection" ) ),
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uno::UNO_QUERY );
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if ( !xTypeDetection.is() )
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throw uno::RuntimeException(); // TODO
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::rtl::OUString aTypeName = xTypeDetection->queryTypeByDescriptor( aTempMedDescr, sal_True );
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// TODO: in case of unexpected format we can try to create an OLE link;
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// when we have different objects for unknown non-OLE formats
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// we will need kind of typedetection to detect which type of the link we need;
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// another way could be to provide ClassID to the call, but how
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// can caller detect object type if factory can not?
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for ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ )
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if ( aTempMedDescr[nInd].Name.equalsAscii( "FilterName" ) )
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aTempMedDescr[nInd].Value >>= aFilterName;
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}
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uno::Reference< uno::XInterface > xResult;
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if ( aFilterName.getLength() )
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{
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// find document service name
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//TODO: will use storages in future
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::rtl::OUString aDocServiceName = GetDocServiceNameFromFilter( aFilterName, m_xFactory );
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if ( !aDocServiceName.getLength() )
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throw io::IOException(); // TODO: unexpected format
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uno::Reference< embed::XLinkFactory > xOOoLinkFact(
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m_xFactory->createInstance(
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::rtl::OUString::createFromAscii( "com.sun.star.embed.OOoEmbeddedObjectFactory" ) ),
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uno::UNO_QUERY );
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if ( !xOOoLinkFact.is() )
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throw uno::RuntimeException(); // TODO:
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xResult = xOOoLinkFact->createInstanceLinkUserInit( GetClassIDFromServName( aDocServiceName ),
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GetClassNameFromServName( aDocServiceName ),
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xStorage,
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sEntName,
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aTempMedDescr );
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}
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else
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{
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// must be an OLE link
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// TODO: in future, when more object types are possible this place seems
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// to be a weak one, probably configuration must provide a type detection service
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// for every factory, so any file could go through services until it is recognized
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// or there is no more services
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// Or for example the typename can be used to detect object type if typedetection
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// was also extended.
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if ( !xStorage.is() )
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throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
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uno::Reference< uno::XInterface >(
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reinterpret_cast< ::cppu::OWeakObject* >(this) ),
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3 );
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if ( !sEntName.getLength() )
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throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
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uno::Reference< uno::XInterface >(
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reinterpret_cast< ::cppu::OWeakObject* >(this) ),
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4 );
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uno::Reference< embed::XLinkCreator > xLinkCreator(
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m_xFactory->createInstance(
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::rtl::OUString::createFromAscii( "com.sun.star.embed.OleEmbeddedObjectFactory" ) ),
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uno::UNO_QUERY );
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if ( !xLinkCreator.is() )
|
|
throw uno::RuntimeException(); // TODO:
|
|
|
|
xResult = xLinkCreator->createInstanceLink( xStorage, sEntName, aTempMedDescr );
|
|
}
|
|
|
|
return xResult;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
::rtl::OUString SAL_CALL UNOEmbeddedObjectCreator::getImplementationName()
|
|
throw ( uno::RuntimeException )
|
|
{
|
|
return impl_staticGetImplementationName();
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
sal_Bool SAL_CALL UNOEmbeddedObjectCreator::supportsService( const ::rtl::OUString& ServiceName )
|
|
throw ( uno::RuntimeException )
|
|
{
|
|
uno::Sequence< ::rtl::OUString > aSeq = impl_staticGetSupportedServiceNames();
|
|
|
|
for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
|
|
if ( ServiceName.compareTo( aSeq[nInd] ) == 0 )
|
|
return sal_True;
|
|
|
|
return sal_False;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
uno::Sequence< ::rtl::OUString > SAL_CALL UNOEmbeddedObjectCreator::getSupportedServiceNames()
|
|
throw ( uno::RuntimeException )
|
|
{
|
|
return impl_staticGetSupportedServiceNames();
|
|
}
|
|
|