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/*************************************************************************
*
* $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();
}
|
