Files
libreoffice/svx/source/xml/xmleohlp.cxx
Rüdiger Timm 8fc27ed936 INTEGRATION: CWS oasisbf2 (1.14.104); FILE MERGED
2004/11/02 17:19:16 mib 1.14.104.1: #i35133#: replacement image for embedded objects
2004-11-26 12:36:58 +00:00

825 lines
27 KiB
C++

/*************************************************************************
*
* $RCSfile: xmleohlp.cxx,v $
*
* $Revision: 1.15 $
*
* last change: $Author: rt $
*
* 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): _______________________________________
*
*
************************************************************************/
#include <stdio.h>
#ifndef _COM_SUN_STAR_IO_XSTREAM_HPP_
#include <com/sun/star/io/XStream.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_XTRANSACTEDOBJECT_HPP_
#include <com/sun/star/embed/XTransactedObject.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_XEMBEDOBJECTCREATOR_HPP_
#include <com/sun/star/embed/XEmbedObjectCreator.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_XEMBEDOBJECTFACTORY_HPP_
#include <com/sun/star/embed/XEmbedObjectFactory.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_ELEMENTMODES_HPP_
#include <com/sun/star/embed/ElementModes.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_XEMBEDDEDOBJECT_HPP_
#include <com/sun/star/embed/XEmbeddedObject.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_ENTRYINITMODES_HPP_
#include <com/sun/star/embed/EntryInitModes.hpp>
#endif
#ifndef _DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _UTL_STREAM_WRAPPER_HXX_
#include <unotools/streamwrap.hxx>
#endif
#ifndef _UNOTOOLS_TEMPFILE_HXX
#include <unotools/tempfile.hxx>
#endif
#include <unotools/ucbstreamhelper.hxx>
#include <comphelper/processfactory.hxx>
#include <comphelper/storagehelper.hxx>
#ifndef _SO_CLSIDS_HXX
#include <sot/clsids.hxx>
#endif
#include <map>
#ifndef _XMLEOHLP_HXX
#include "xmleohlp.hxx"
#endif
#include <sfx2/objsh.hxx>
// -----------
// - Defines -
// -----------
using namespace ::rtl;
using namespace ::osl;
using namespace ::cppu;
using namespace ::utl;
using namespace ::com::sun::star;
using namespace ::com::sun::star::document;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::lang;
#define XML_CONTAINERSTORAGE_NAME_60 "Pictures"
#define XML_CONTAINERSTORAGE_NAME "ObjectReplacements"
#define XML_EMBEDDEDOBJECT_URL_BASE "vnd.sun.star.EmbeddedObject:"
#define XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE "vnd.sun.star.GraphicObject:"
// -----------------------------------------------------------------------------
class InputStorageWrapper_Impl : public ::cppu::WeakImplHelper1<stario::XInputStream>
{
::osl::Mutex maMutex;
Reference < XInputStream > xIn;
TempFile aTempFile;
public:
InputStorageWrapper_Impl( const uno::Reference < embed::XStorage >&, const ::rtl::OUString& );
virtual ~InputStorageWrapper_Impl();
virtual sal_Int32 SAL_CALL readBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual sal_Int32 SAL_CALL readSomeBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual sal_Int32 SAL_CALL available() throw(stario::NotConnectedException, staruno::RuntimeException);
virtual void SAL_CALL closeInput() throw(stario::NotConnectedException, staruno::RuntimeException);
};
InputStorageWrapper_Impl::InputStorageWrapper_Impl( const uno::Reference < embed::XStorage >& xDocStor, const ::rtl::OUString& aObjectStorageName )
{
SvStream *pStream = 0;
aTempFile.EnableKillingFile();
uno::Reference < container::XNameAccess > xAccess( xDocStor, uno::UNO_QUERY );
if ( xAccess.is() && xAccess->hasByName( aObjectStorageName ) )
{
try
{
if ( xDocStor->isStreamElement( aObjectStorageName ) )
{
xIn = xDocStor->openStreamElement( aObjectStorageName, embed::ElementModes::READ )->getInputStream();
}
else
{
DBG_ERROR("InputStorageWrapper for an own object?!");
uno::Reference < embed::XStorage > xStg = xDocStor->openStorageElement( aObjectStorageName, embed::ElementModes::READ );
pStream = aTempFile.GetStream( STREAM_READWRITE );
uno::Reference < io::XStream > xStream = new OStreamWrapper( *pStream );
uno::Reference < embed::XStorage > xStor = ::comphelper::OStorageHelper::GetStorageFromStream( xStream );
xStg->copyToStorage( xStor );
xIn = new OSeekableInputStreamWrapper( *pStream );
}
}
catch ( uno::Exception& )
{
}
}
if ( !xIn.is() )
{
if ( !pStream )
pStream = aTempFile.GetStream( STREAM_READWRITE );
xIn = new OSeekableInputStreamWrapper( *pStream );
}
}
InputStorageWrapper_Impl::~InputStorageWrapper_Impl()
{
xIn = 0;
}
sal_Int32 SAL_CALL InputStorageWrapper_Impl::readBytes(
Sequence< sal_Int8 >& aData,
sal_Int32 nBytesToRead)
throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
{
MutexGuard aGuard( maMutex );
return xIn->readBytes( aData, nBytesToRead );
}
sal_Int32 SAL_CALL InputStorageWrapper_Impl::readSomeBytes(
Sequence< sal_Int8 >& aData,
sal_Int32 nMaxBytesToRead)
throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
{
MutexGuard aGuard( maMutex );
return xIn->readSomeBytes( aData, nMaxBytesToRead );
}
void SAL_CALL InputStorageWrapper_Impl::skipBytes( sal_Int32 nBytesToSkip )
throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
{
MutexGuard aGuard( maMutex );
xIn->skipBytes( nBytesToSkip );
}
sal_Int32 SAL_CALL InputStorageWrapper_Impl::available()
throw(NotConnectedException, RuntimeException)
{
MutexGuard aGuard( maMutex );
return xIn->available();
}
void SAL_CALL InputStorageWrapper_Impl::closeInput()
throw(NotConnectedException, RuntimeException)
{
MutexGuard aGuard( maMutex );
xIn->closeInput();
xIn = 0;
}
// -----------------------------------------------------------------------------
class OutputStorageWrapper_Impl : public ::cppu::WeakImplHelper1<XOutputStream>
{
::osl::Mutex maMutex;
Reference < XOutputStream > xOut;
TempFile aTempFile;
sal_Bool bStreamClosed : 1;
SvStream* pStream;
public:
OutputStorageWrapper_Impl();
virtual ~OutputStorageWrapper_Impl();
// stario::XOutputStream
virtual void SAL_CALL writeBytes(const Sequence< sal_Int8 >& aData) throw(NotConnectedException, BufferSizeExceededException, RuntimeException);
virtual void SAL_CALL flush() throw(NotConnectedException, BufferSizeExceededException, RuntimeException);
virtual void SAL_CALL closeOutput() throw(NotConnectedException, BufferSizeExceededException, RuntimeException);
SvStream* GetStream();
};
OutputStorageWrapper_Impl::OutputStorageWrapper_Impl()
: bStreamClosed( sal_False )
, pStream(0)
{
aTempFile.EnableKillingFile();
pStream = aTempFile.GetStream( STREAM_READWRITE );
xOut = new OOutputStreamWrapper( *pStream );
}
OutputStorageWrapper_Impl::~OutputStorageWrapper_Impl()
{
}
SvStream *OutputStorageWrapper_Impl::GetStream()
{
if( bStreamClosed )
return pStream;
return NULL;
}
void SAL_CALL OutputStorageWrapper_Impl::writeBytes(
const Sequence< sal_Int8 >& aData)
throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
{
MutexGuard aGuard( maMutex );
xOut->writeBytes( aData );
}
void SAL_CALL OutputStorageWrapper_Impl::flush()
throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
{
MutexGuard aGuard( maMutex );
xOut->flush();
}
void SAL_CALL OutputStorageWrapper_Impl::closeOutput()
throw(NotConnectedException, BufferSizeExceededException, RuntimeException)
{
MutexGuard aGuard( maMutex );
xOut->closeOutput();
bStreamClosed = sal_True;
}
// -----------------------------------------------------------------------------
struct OUStringLess
{
bool operator() ( const ::rtl::OUString& r1, const ::rtl::OUString& r2 ) const
{
return (r1 < r2) != sal_False;
}
};
// -----------------------------------------------------------------------------
// -----------------------------
// - SvXMLEmbeddedObjectHelper -
// -----------------------------
SvXMLEmbeddedObjectHelper::SvXMLEmbeddedObjectHelper() :
WeakComponentImplHelper2< XEmbeddedObjectResolver, XNameAccess >( maMutex ),
maReplacementGraphicsContainerStorageName( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME) ),
maReplacementGraphicsContainerStorageName60( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME_60) ),
mpDocPersist( 0 ),
mpStreamMap( 0 ),
meCreateMode( EMBEDDEDOBJECTHELPER_MODE_READ )
{
}
SvXMLEmbeddedObjectHelper::SvXMLEmbeddedObjectHelper( SfxObjectShell& rDocPersist, SvXMLEmbeddedObjectHelperMode eCreateMode ) :
WeakComponentImplHelper2< XEmbeddedObjectResolver, XNameAccess >( maMutex ),
maReplacementGraphicsContainerStorageName( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME) ),
maReplacementGraphicsContainerStorageName60( RTL_CONSTASCII_USTRINGPARAM(XML_CONTAINERSTORAGE_NAME_60) ),
mpDocPersist( 0 ),
mpStreamMap( 0 ),
meCreateMode( EMBEDDEDOBJECTHELPER_MODE_READ )
{
Init( 0, rDocPersist, eCreateMode );
}
// -----------------------------------------------------------------------------
SvXMLEmbeddedObjectHelper::~SvXMLEmbeddedObjectHelper()
{
if( mpStreamMap )
{
SvXMLEmbeddedObjectHelper_Impl::iterator aIter = mpStreamMap->begin();
SvXMLEmbeddedObjectHelper_Impl::iterator aEnd = mpStreamMap->end();
for( aIter; aIter != aEnd; aIter++ )
{
if( aIter->second )
{
aIter->second->release();
aIter->second = 0;
}
}
}
}
// -----------------------------------------------------------------------------
void SAL_CALL SvXMLEmbeddedObjectHelper::disposing()
{
Flush();
}
// -----------------------------------------------------------------------------
sal_Bool SvXMLEmbeddedObjectHelper::ImplGetStorageNames(
const OUString& rURLStr,
OUString& rContainerStorageName,
OUString& rObjectStorageName,
sal_Bool bInternalToExternal,
sal_Bool *pGraphicRepl ) const
{
// internal URL: vnd.sun.star.EmbeddedObject:<object-name>
// or: vnd.sun.star.EmbeddedObject:<path>/<object-name>
// internal replacement images:
// vnd.sun.star.EmbeddedObjectGraphic:<object-name>
// or: vnd.sun.star.EmbeddedObjectGraphic:<path>/<object-name>
// external URL: ./<path>/<object-name>
// or: <path>/<object-name>
// or: <object-name>
// currently, path may only consist of a single directory name
sal_Bool bRet = sal_False;
if( pGraphicRepl )
*pGraphicRepl = sal_False;
if( !rURLStr.getLength() )
return sal_False;
if( bInternalToExternal )
{
sal_Int32 nPos = rURLStr.indexOf( ':' );
if( -1 == nPos )
return sal_False;
sal_Bool bObjUrl =
0 == rURLStr.compareToAscii( XML_EMBEDDEDOBJECT_URL_BASE,
sizeof( XML_EMBEDDEDOBJECT_URL_BASE ) -1 );
sal_Bool bGrUrl = !bObjUrl &&
0 == rURLStr.compareToAscii( XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE,
sizeof( XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE ) -1 );
if( !(bObjUrl || bGrUrl) )
return sal_False;
sal_Int32 nPathStart = nPos + 1;
nPos = rURLStr.lastIndexOf( '/' );
if( -1 == nPos )
{
rContainerStorageName = OUString();
rObjectStorageName = rURLStr.copy( nPathStart );
}
else if( nPos > nPathStart )
{
rContainerStorageName = rURLStr.copy( nPathStart, nPos-nPathStart);
rObjectStorageName = rURLStr.copy( nPos+1 );
}
else
return sal_False;
if( bGrUrl )
{
sal_Bool bOASIS = mxRootStorage.is() &&
( SotStorage::GetVersion( mxRootStorage ) > SOFFICE_FILEFORMAT_60 );
rContainerStorageName = bOASIS
? maReplacementGraphicsContainerStorageName
: maReplacementGraphicsContainerStorageName60;
if( pGraphicRepl )
*pGraphicRepl = sal_True;
}
}
else
{
DBG_ASSERT( '#' != rURLStr[0], "invalid object URL" );
sal_Int32 nPos = rURLStr.lastIndexOf( '/' );
if( -1 == nPos )
{
rContainerStorageName = OUString();
rObjectStorageName = rURLStr;
}
else
{
sal_Int32 nPathStart = 0;
if( 0 == rURLStr.compareToAscii( "./", 2 ) )
nPathStart = 2;
if( nPos >= nPathStart )
rContainerStorageName = rURLStr.copy( nPathStart, nPos-nPathStart);
rObjectStorageName = rURLStr.copy( nPos+1 );
}
}
if( -1 != rContainerStorageName.indexOf( '/' ) )
{
DBG_ERROR( "SvXMLEmbeddedObjectHelper: invalid path name" );
return sal_False;
}
return sal_True;
}
// -----------------------------------------------------------------------------
uno::Reference < embed::XStorage > SvXMLEmbeddedObjectHelper::ImplGetContainerStorage(
const OUString& rStorageName )
{
DBG_ASSERT( -1 == rStorageName.indexOf( '/' ) &&
-1 == rStorageName.indexOf( '\\' ),
"nested embedded storages aren't supported" );
if( !mxContainerStorage.is() ||
( rStorageName != maCurContainerStorageName ) )
{
if( mxContainerStorage.is() &&
maCurContainerStorageName.getLength() > 0 &&
EMBEDDEDOBJECTHELPER_MODE_WRITE == meCreateMode )
{
uno::Reference < embed::XTransactedObject > xTrans( mxContainerStorage, uno::UNO_QUERY );
if ( xTrans.is() )
xTrans->commit();
}
if( rStorageName.getLength() > 0 && mxRootStorage.is() )
{
sal_Int32 nMode = EMBEDDEDOBJECTHELPER_MODE_WRITE == meCreateMode
? ::embed::ElementModes::READWRITE
: ::embed::ElementModes::READ;
mxContainerStorage = mxRootStorage->openStorageElement( rStorageName,
nMode );
}
else
{
mxContainerStorage = mxRootStorage;
}
maCurContainerStorageName = rStorageName;
}
return mxContainerStorage;
}
// -----------------------------------------------------------------------------
sal_Bool SvXMLEmbeddedObjectHelper::ImplReadObject(
const OUString& rContainerStorageName,
OUString& rObjName,
const SvGlobalName *pClassId,
SvStream* pTemp )
{
uno::Reference < embed::XStorage > xDocStor( mpDocPersist->GetStorage() );
uno::Reference < embed::XStorage > xCntnrStor( ImplGetContainerStorage( rContainerStorageName ) );
if( !xCntnrStor.is() && !pTemp )
return sal_False;
String aSrcObjName( rObjName );
comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->GetEmbeddedObjectContainer();
if( xDocStor != xCntnrStor || pTemp )
{
// Is the object name unique?
// TODO/LATER: make this alltogether a method in the EmbeddedObjectContainer
if( rContainer.HasEmbeddedObject( rObjName ) )
rObjName = rContainer.CreateUniqueObjectName();
if( pTemp )
{
try
{
uno::Reference < io::XStream > xStm = xDocStor->openStreamElement( rObjName,
embed::ElementModes::READWRITE | embed::ElementModes::TRUNCATE );
SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( xStm );
*pTemp >> *pStream;
delete pStream;
xStm->getOutputStream()->closeOutput();
}
catch ( uno::Exception& )
{
return sal_False;
}
}
else
{
try
{
xCntnrStor->copyElementTo( aSrcObjName, xDocStor, rObjName );
}
catch ( uno::Exception& )
{
return sal_False;
}
}
}
// make object known to the container
// TODO/LATER: could be done a little bit more efficient!
::rtl::OUString aName( rObjName );
if( pClassId )
{
// If a class id is specifies, use it.
// TODO/LATER: it seems that passing a ClassID is strange
rContainer.CreateEmbeddedObject( pClassId->GetByteSequence(), aName );
}
else
{
rContainer.GetEmbeddedObject( aName );
}
return sal_True;
}
// -----------------------------------------------------------------------------
OUString SvXMLEmbeddedObjectHelper::ImplInsertEmbeddedObjectURL(
const OUString& rURLStr )
{
OUString sRetURL;
OUString aContainerStorageName, aObjectStorageName;
if( !ImplGetStorageNames( rURLStr, aContainerStorageName,
aObjectStorageName,
EMBEDDEDOBJECTHELPER_MODE_WRITE == meCreateMode ) )
return sRetURL;
if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
{
OutputStorageWrapper_Impl *pOut = 0;
SvXMLEmbeddedObjectHelper_Impl::iterator aIter;
if( mpStreamMap )
{
aIter = mpStreamMap->find( rURLStr );
if( aIter != mpStreamMap->end() && aIter->second )
pOut = aIter->second;
}
SvGlobalName aClassId, *pClassId = 0;
sal_Int32 nPos = aObjectStorageName.lastIndexOf( '!' );
if( -1 != nPos && aClassId.MakeId( aObjectStorageName.copy( nPos+1 ) ) )
{
aObjectStorageName = aObjectStorageName.copy( 0, nPos );
pClassId = &aClassId;
}
ImplReadObject( aContainerStorageName, aObjectStorageName, pClassId, pOut ? pOut->GetStream() : 0 );
sRetURL = OUString( RTL_CONSTASCII_USTRINGPARAM(XML_EMBEDDEDOBJECT_URL_BASE) );
sRetURL += aObjectStorageName;
if( pOut )
{
mpStreamMap->erase( aIter );
pOut->release();
}
}
else
{
// Objects are written using SfxObjectShell::SaveAs
sRetURL = OUString( RTL_CONSTASCII_USTRINGPARAM("./") );
if( aContainerStorageName.getLength() )
{
sRetURL += aContainerStorageName;
sRetURL += OUString( '/' );
}
sRetURL += aObjectStorageName;
}
return sRetURL;
}
// -----------------------------------------------------------------------------
void SvXMLEmbeddedObjectHelper::Init(
const uno::Reference < embed::XStorage >& rRootStorage,
SfxObjectShell& rPersist,
SvXMLEmbeddedObjectHelperMode eCreateMode )
{
mxRootStorage = rRootStorage;
mpDocPersist = &rPersist;
meCreateMode = eCreateMode;
}
// -----------------------------------------------------------------------------
SvXMLEmbeddedObjectHelper* SvXMLEmbeddedObjectHelper::Create(
const uno::Reference < embed::XStorage >& rRootStorage,
SfxObjectShell& rDocPersist,
SvXMLEmbeddedObjectHelperMode eCreateMode,
sal_Bool bDirect )
{
SvXMLEmbeddedObjectHelper* pThis = new SvXMLEmbeddedObjectHelper;
pThis->acquire();
pThis->Init( rRootStorage, rDocPersist, eCreateMode );
return pThis;
}
SvXMLEmbeddedObjectHelper* SvXMLEmbeddedObjectHelper::Create(
SfxObjectShell& rDocPersist,
SvXMLEmbeddedObjectHelperMode eCreateMode )
{
SvXMLEmbeddedObjectHelper* pThis = new SvXMLEmbeddedObjectHelper;
pThis->acquire();
pThis->Init( 0, rDocPersist, eCreateMode );
return pThis;
}
// -----------------------------------------------------------------------------
void SvXMLEmbeddedObjectHelper::Destroy(
SvXMLEmbeddedObjectHelper* pSvXMLEmbeddedObjectHelper )
{
if( pSvXMLEmbeddedObjectHelper )
{
pSvXMLEmbeddedObjectHelper->dispose();
pSvXMLEmbeddedObjectHelper->release();
}
}
// -----------------------------------------------------------------------------
void SvXMLEmbeddedObjectHelper::Flush()
{
}
// XGraphicObjectResolver: alien objects!
OUString SAL_CALL SvXMLEmbeddedObjectHelper::resolveEmbeddedObjectURL( const OUString& aURL )
throw(RuntimeException)
{
MutexGuard aGuard( maMutex );
return ImplInsertEmbeddedObjectURL( aURL );
}
// XNameAccess: alien objects!
Any SAL_CALL SvXMLEmbeddedObjectHelper::getByName(
const OUString& rURLStr )
throw (NoSuchElementException, WrappedTargetException, RuntimeException)
{
MutexGuard aGuard( maMutex );
Any aRet;
if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
{
Reference < XOutputStream > xStrm;
if( mpStreamMap )
{
SvXMLEmbeddedObjectHelper_Impl::iterator aIter =
mpStreamMap->find( rURLStr );
if( aIter != mpStreamMap->end() && aIter->second )
xStrm = aIter->second;
}
if( !xStrm.is() )
{
OutputStorageWrapper_Impl *pOut = new OutputStorageWrapper_Impl;
pOut->acquire();
if( !mpStreamMap )
mpStreamMap = new SvXMLEmbeddedObjectHelper_Impl;
(*mpStreamMap)[rURLStr] = pOut;
xStrm = pOut;
}
aRet <<= xStrm;
}
else
{
sal_Bool bGraphicRepl = sal_False;
Reference < XInputStream > xStrm;
OUString aContainerStorageName, aObjectStorageName;
if( ImplGetStorageNames( rURLStr, aContainerStorageName,
aObjectStorageName,
sal_True,
&bGraphicRepl ) )
{
try
{
if( bGraphicRepl )
{
Reference < embed::XEmbeddedObject > xObj =
mpDocPersist->GetEmbeddedObjectContainer().
GetEmbeddedObject( aObjectStorageName );
DBG_ASSERT( xObj.is(), "Didn't get object" );
if( xObj.is() )
{
OUString aMimeType;
xStrm = mpDocPersist->GetEmbeddedObjectContainer().
GetGraphicStream( xObj,
&aMimeType );
}
}
else
{
uno::Reference < embed::XStorage > xDocStor( mpDocPersist->GetStorage() );
if ( xDocStor->isStreamElement( aObjectStorageName ) )
{
uno::Reference < io::XStream > xStream = xDocStor->openStreamElement( aObjectStorageName, embed::ElementModes::READ );
xStrm = xStream->getInputStream();
}
else
{
xStrm = new InputStorageWrapper_Impl( xDocStor, aObjectStorageName );
}
}
}
catch ( uno::Exception& )
{
}
}
aRet <<= xStrm;
}
return aRet;
}
Sequence< OUString > SAL_CALL SvXMLEmbeddedObjectHelper::getElementNames()
throw (RuntimeException)
{
MutexGuard aGuard( maMutex );
return Sequence< OUString >(0);
}
sal_Bool SAL_CALL SvXMLEmbeddedObjectHelper::hasByName( const OUString& rURLStr )
throw (RuntimeException)
{
MutexGuard aGuard( maMutex );
if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
{
return sal_True;
}
else
{
OUString aContainerStorageName, aObjectStorageName;
if( !ImplGetStorageNames( rURLStr, aContainerStorageName,
aObjectStorageName,
sal_True ) )
return sal_False;
comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->GetEmbeddedObjectContainer();
return aObjectStorageName.getLength() > 0 &&
rContainer.HasEmbeddedObject( aObjectStorageName );
}
}
// XNameAccess
Type SAL_CALL SvXMLEmbeddedObjectHelper::getElementType()
throw (RuntimeException)
{
MutexGuard aGuard( maMutex );
if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
return ::getCppuType((const Reference<XOutputStream>*)0);
else
return ::getCppuType((const Reference<XInputStream>*)0);
}
sal_Bool SAL_CALL SvXMLEmbeddedObjectHelper::hasElements()
throw (RuntimeException)
{
MutexGuard aGuard( maMutex );
if( EMBEDDEDOBJECTHELPER_MODE_READ == meCreateMode )
{
return sal_True;
}
else
{
comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->GetEmbeddedObjectContainer();
return rContainer.HasEmbeddedObjects();
}
}