diff options
author | Mikhail Voitenko <mav@openoffice.org> | 2003-11-28 16:27:20 +0000 |
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committer | Mikhail Voitenko <mav@openoffice.org> | 2003-11-28 16:27:20 +0000 |
commit | f093e206c10618852e005e19d3f775dd419ca338 (patch) | |
tree | 0465912c432c7ca6ba94102e813da530108052fc /embeddedobj/source/general/xcreator.cxx | |
parent | 586d6b72db065b86efa7940a91d0e02b8ac44f0c (diff) |
#112923# place ole and ooo objects in separate libraries
Diffstat (limited to 'embeddedobj/source/general/xcreator.cxx')
-rw-r--r-- | embeddedobj/source/general/xcreator.cxx | 525 |
1 files changed, 525 insertions, 0 deletions
diff --git a/embeddedobj/source/general/xcreator.cxx b/embeddedobj/source/general/xcreator.cxx new file mode 100644 index 000000000000..82457af80872 --- /dev/null +++ b/embeddedobj/source/general/xcreator.cxx @@ -0,0 +1,525 @@ +/************************************************************************* + * + * $RCSfile: xcreator.cxx,v $ + * + * $Revision: 1.1 $ + * + * last change: $Author: mav $ $Date: 2003-11-28 17:26:54 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef _COM_SUN_STAR_EMBED_ELEMENTMODES_HPP_ +#include <com/sun/star/embed/ElementModes.hpp> +#endif +#ifndef _COM_SUN_STAR_EMBED_ENTRYINITMODES_HPP_ +#include <com/sun/star/embed/EntryInitModes.hpp> +#endif +#ifndef _COM_SUN_STAR_EMBED_XEMBEDOBJECTFACTORY_HPP_ +#include <com/sun/star/embed/XEmbedObjectFactory.hpp> +#endif +#ifndef _COM_SUN_STAR_EMBED_XLINKFACTORY_HPP_ +#include <com/sun/star/embed/XLinkFactory.hpp> +#endif + +#ifndef _COM_SUN_STAR_DOCUMENT_XTYPEDETECTION_HPP_ +#include <com/sun/star/document/XTypeDetection.hpp> +#endif + +#ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_ +#include <com/sun/star/beans/PropertyValue.hpp> +#endif +#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_ +#include <com/sun/star/beans/XPropertySet.hpp> +#endif + +#ifndef _COM_SUN_STAR_CONTAINER_XNAMEACCESS_HPP_ +#include <com/sun/star/container/XNameAccess.hpp> +#endif + +#ifndef _COM_SUN_STAR_LANG_XCOMPONENT_HPP_ +#include <com/sun/star/lang/XComponent.hpp> +#endif + + +#include "xcreator.hxx" +#include "convert.hxx" + + +using namespace ::com::sun::star; + +//------------------------------------------------------------------------- +::rtl::OUString GetDocServiceNameFromFilter( const ::rtl::OUString& aFilterName, + const uno::Reference< lang::XMultiServiceFactory >& xFactory ) +{ + ::rtl::OUString aDocServiceName; + + uno::Reference< container::XNameAccess > xFilterFactory( + xFactory->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.document.FilterFactory" ) ), + uno::UNO_QUERY ); + + if ( !xFilterFactory.is() ) + throw uno::RuntimeException(); // TODO + + uno::Any aFilterAnyData = xFilterFactory->getByName( aFilterName ); + uno::Sequence< beans::PropertyValue > aFilterData; + if ( aFilterAnyData >>= aFilterData ) + { + for ( sal_Int32 nInd = 0; nInd < aFilterData.getLength(); nInd++ ) + if ( aFilterData[nInd].Name.equalsAscii( "DocumentService" ) ) + aFilterData[nInd].Value >>= aDocServiceName; + } + + return ConvertServiceToImplementationName( aDocServiceName ); +} + +//------------------------------------------------------------------------- +uno::Sequence< ::rtl::OUString > SAL_CALL UNOEmbeddedObjectCreator::impl_staticGetSupportedServiceNames() +{ + uno::Sequence< ::rtl::OUString > aRet(2); + aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.embed.EmbeddedObjectCreator"); + aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.EmbeddedObjectCreator"); + return aRet; +} + +//------------------------------------------------------------------------- +::rtl::OUString SAL_CALL UNOEmbeddedObjectCreator::impl_staticGetImplementationName() +{ + return ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.EmbeddedObjectCreator"); +} + +//------------------------------------------------------------------------- +uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::impl_staticCreateSelfInstance( + const uno::Reference< lang::XMultiServiceFactory >& xServiceManager ) +{ + return uno::Reference< uno::XInterface >( *new UNOEmbeddedObjectCreator( xServiceManager ) ); +} + +//------------------------------------------------------------------------- +uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromEntry( + const uno::Reference< embed::XStorage >& xStorage, + const ::rtl::OUString& sEntName, + sal_Bool bIsReadonly ) + throw ( lang::IllegalArgumentException, + container::NoSuchElementException, + io::IOException, + uno::Exception, + uno::RuntimeException) +{ + if ( !xStorage.is() ) + throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ), + uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ), + 1 ); + + if ( !sEntName.getLength() ) + throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ), + uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ), + 2 ); + + uno::Reference< container::XNameAccess > xNameAccess( xStorage, uno::UNO_QUERY ); + if ( !xNameAccess.is() ) + throw uno::RuntimeException(); //TODO + + // detect entry existence + if ( !xNameAccess->hasByName( sEntName ) ) + throw container::NoSuchElementException(); + + uno::Reference< uno::XInterface > xResult; + if ( xStorage->isStorageElement( sEntName ) ) + { + // the object must be based on storage + uno::Reference< embed::XStorage > xSubStorage = + xStorage->openStorageElement( sEntName, embed::ElementModes::ELEMENT_READ ); + + uno::Reference< beans::XPropertySet > xPropSet( xSubStorage, uno::UNO_QUERY ); + if ( !xPropSet.is() ) + throw uno::RuntimeException(); + + ::rtl::OUString aMediaType; + try { + uno::Any aAny = xPropSet->getPropertyValue( ::rtl::OUString::createFromAscii( "MediaType" ) ); + aAny >>= aMediaType; + } + catch ( uno::Exception& ) + { + } + + try { + uno::Reference< lang::XComponent > xComp( xSubStorage, uno::UNO_QUERY ); + if ( xComp.is() ) + xComp->dispose(); + } + catch ( uno::Exception& ) + { + } + + // TODO: in future it is possible to have another objects based on storages + // in this case first a factory service name will be detected from the configuration + // and then it will be used with ClassID from the same entry + + ::rtl::OUString aDocServiceName = GetDocumentServiceFromMediaType( aMediaType ); + if ( !aDocServiceName.getLength() ) + { + // only own document can be based on storage for now + // in case it is not possible to find related + // document service name the storage entry is invalid + + throw io::IOException(); // unexpected mimetype of the storage + } + + uno::Reference< embed::XEmbedObjectFactory > xOOoEmbFact( + m_xFactory->createInstance( + ::rtl::OUString::createFromAscii( "com.sun.star.embed.OOoEmbeddedObjectFactory" ) ), + uno::UNO_QUERY ); + if ( !xOOoEmbFact.is() ) + throw uno::RuntimeException(); // TODO: + + uno::Sequence< beans::PropertyValue > aTempMediaDescr( 1 ); + aTempMediaDescr[0].Name = ::rtl::OUString::createFromAscii( "ReadOnly" ); + aTempMediaDescr[0].Value <<= bIsReadonly; + + xResult = xOOoEmbFact->createInstanceUserInit( GetClassIDFromServName( aDocServiceName ), + GetClassNameFromServName( aDocServiceName ), + xStorage, + sEntName, + embed::EntryInitModes::ENTRY_DEFAULT_INIT, + aTempMediaDescr ); + } + else + { + // the object must be based on stream + // it means for now that this is an OLE object + + // the object will be created as embedded object + // after it is loaded it can detect that it is a link + + uno::Reference< io::XStream > xSubStream = + xStorage->openStreamElement( sEntName, embed::ElementModes::ELEMENT_READ ); + + uno::Reference< beans::XPropertySet > xPropSet( xSubStream, uno::UNO_QUERY ); + if ( !xPropSet.is() ) + throw uno::RuntimeException(); + + ::rtl::OUString aMediaType; + try { + uno::Any aAny = xPropSet->getPropertyValue( ::rtl::OUString::createFromAscii( "MediaType" ) ); + aAny >>= aMediaType; + } + catch ( uno::Exception& ) + { + } + + try { + uno::Reference< lang::XComponent > xComp( xSubStream, uno::UNO_QUERY ); + if ( xComp.is() ) + xComp->dispose(); + } + catch ( uno::Exception& ) + { + } + + if ( aMediaType.equalsAscii( "application/vnd.sun.star.oleobject" ) ) + { + uno::Reference< embed::XEmbedObjectCreator > xOleEmbCreator( + m_xFactory->createInstance( + ::rtl::OUString::createFromAscii( "com.sun.star.embed.OleEmbeddedObjectFactory" ) ), + uno::UNO_QUERY ); + if ( !xOleEmbCreator.is() ) + throw uno::RuntimeException(); // TODO: + + xResult = xOleEmbCreator->createInstanceInitFromEntry( xStorage, sEntName, bIsReadonly ); + } + else + { + // TODO: in future it is possible to have different object implementations based on stream + // in this case the media-type of the stream will be used to detect factory and may be ClassID + // for OLE objects ClassID will be detected during object loading. + // if ClassID can not be detected the *Creator interface must be used, otherwise *Factory can be used. + + throw io::IOException(); // unexpected mimetype of the stream + } + } + + return xResult; +} + +//------------------------------------------------------------------------- +uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromMediaDescriptor( + const uno::Reference< embed::XStorage >& xStorage, + const ::rtl::OUString& sEntName, + const uno::Sequence< beans::PropertyValue >& aMediaDescr ) + throw ( lang::IllegalArgumentException, + io::IOException, + uno::Exception, + uno::RuntimeException) +{ + if ( !xStorage.is() ) + throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ), + uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ), + 1 ); + + if ( !sEntName.getLength() ) + throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ), + uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ), + 2 ); + + uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr ); + + // check if there is FilterName + ::rtl::OUString aFilterName; + for ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ ) + if ( aTempMedDescr[nInd].Name.equalsAscii( "FilterName" ) ) + aTempMedDescr[nInd].Value >>= aFilterName; + + if ( !aFilterName.getLength() ) + { + // filter name is not specified, so type detection should be done + + uno::Reference< document::XTypeDetection > xTypeDetection( + m_xFactory->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.document.TypeDetection" ) ), + uno::UNO_QUERY ); + + if ( !xTypeDetection.is() ) + throw uno::RuntimeException(); // TODO + + // get TypeName + ::rtl::OUString aTypeName = xTypeDetection->queryTypeByDescriptor( aTempMedDescr, sal_True ); + + // get FilterName + for ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ ) + if ( aTempMedDescr[nInd].Name.equalsAscii( "FilterName" ) ) + aTempMedDescr[nInd].Value >>= aFilterName; + } + + uno::Reference< uno::XInterface > xResult; + + if ( aFilterName.getLength() ) + { + // the object can be loaded by one of the office application + ::rtl::OUString aDocServiceName = GetDocServiceNameFromFilter( aFilterName, m_xFactory ); + if ( !aDocServiceName.getLength() ) + throw io::IOException(); // TODO: filter detection failed + + uno::Reference< embed::XEmbedObjectFactory > xOOoEmbFact( + m_xFactory->createInstance( + ::rtl::OUString::createFromAscii( "com.sun.star.embed.OOoEmbeddedObjectFactory" ) ), + uno::UNO_QUERY ); + if ( !xOOoEmbFact.is() ) + throw uno::RuntimeException(); // TODO: + + xResult = xOOoEmbFact->createInstanceUserInit( GetClassIDFromServName( aDocServiceName ), + GetClassNameFromServName( aDocServiceName ), + xStorage, + sEntName, + embed::EntryInitModes::ENTRY_MEDIA_DESCRIPTOR_INIT, + aTempMedDescr ); + } + else + { + // must be an OLE object + + // TODO: in future, when more object types are possible this place seems + // to be a weak one, probably configuration must provide a type detection service + // for every factory, so any file could go through services until it is recognized + // or there is no more services + // Or for example the typename can be used to detect object type if typedetection + // was also extended. + + uno::Reference< embed::XEmbedObjectCreator > xOleEmbCreator( + m_xFactory->createInstance( + ::rtl::OUString::createFromAscii( "com.sun.star.embed.OleEmbeddedObjectFactory" ) ), + uno::UNO_QUERY ); + if ( !xOleEmbCreator.is() ) + throw uno::RuntimeException(); // TODO: + + xResult = xOleEmbCreator->createInstanceInitFromMediaDescriptor( xStorage, sEntName, aTempMedDescr ); + } + + return xResult; +} + +//------------------------------------------------------------------------- +uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceLink( + const uno::Reference< embed::XStorage >& xStorage, + const ::rtl::OUString& sEntName, + const uno::Sequence< beans::PropertyValue >& aMediaDescr ) + throw ( lang::IllegalArgumentException, + io::IOException, + uno::Exception, + uno::RuntimeException ) +{ + uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr ); + + // check if there is FilterName and URL, URL must exist + ::rtl::OUString aFilterName; + ::rtl::OUString aURL; + for ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ ) + if ( aTempMedDescr[nInd].Name.equalsAscii( "FilterName" ) ) + aTempMedDescr[nInd].Value >>= aFilterName; + else if ( aTempMedDescr[nInd].Name.equalsAscii( "URL" ) ) + aTempMedDescr[nInd].Value >>= aURL; + + if ( !aURL.getLength() ) + throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No URL for the link is provided!\n" ), + uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ), + 3 ); + + if ( !aFilterName.getLength() ) + { + uno::Reference< document::XTypeDetection > xTypeDetection( + m_xFactory->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.document.TypeDetection" ) ), + uno::UNO_QUERY ); + + if ( !xTypeDetection.is() ) + throw uno::RuntimeException(); // TODO + + ::rtl::OUString aTypeName = xTypeDetection->queryTypeByDescriptor( aTempMedDescr, sal_True ); + + // TODO: in case of unexpected format we can try to create an OLE link; + // when we have different objects for unknown non-OLE formats + // we will need kind of typedetection to detect which type of the link we need; + // another way could be to provide ClassID to the call, but how + // can caller detect object type if factory can not? + + for ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ ) + if ( aTempMedDescr[nInd].Name.equalsAscii( "FilterName" ) ) + aTempMedDescr[nInd].Value >>= aFilterName; + } + + uno::Reference< uno::XInterface > xResult; + + if ( aFilterName.getLength() ) + { + // find document service name + //TODO: will use storages in future + + ::rtl::OUString aDocServiceName = GetDocServiceNameFromFilter( aFilterName, m_xFactory ); + if ( !aDocServiceName.getLength() ) + throw io::IOException(); // TODO: unexpected format + + uno::Reference< embed::XLinkFactory > xOOoLinkFact( + m_xFactory->createInstance( + ::rtl::OUString::createFromAscii( "com.sun.star.embed.OOoEmbeddedObjectFactory" ) ), + uno::UNO_QUERY ); + if ( !xOOoLinkFact.is() ) + throw uno::RuntimeException(); // TODO: + + xResult = xOOoLinkFact->createInstanceLinkUserInit( GetClassIDFromServName( aDocServiceName ), + GetClassNameFromServName( aDocServiceName ), + xStorage, + sEntName, + aTempMedDescr ); + } + else + { + // must be an OLE link + + // TODO: in future, when more object types are possible this place seems + // to be a weak one, probably configuration must provide a type detection service + // for every factory, so any file could go through services until it is recognized + // or there is no more services + // Or for example the typename can be used to detect object type if typedetection + // was also extended. + + if ( !xStorage.is() ) + throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ), + uno::Reference< uno::XInterface >( + reinterpret_cast< ::cppu::OWeakObject* >(this) ), + 3 ); + + if ( !sEntName.getLength() ) + throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ), + uno::Reference< uno::XInterface >( + reinterpret_cast< ::cppu::OWeakObject* >(this) ), + 4 ); + + uno::Reference< embed::XLinkCreator > xLinkCreator( + m_xFactory->createInstance( + ::rtl::OUString::createFromAscii( "com.sun.star.embed.OleEmbeddedObjectFactory" ) ), + uno::UNO_QUERY ); + 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(); +} + |