diff options
Diffstat (limited to 'embeddedobj')
| -rw-r--r-- | embeddedobj/source/msole/olepersist.cxx | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/embeddedobj/source/msole/olepersist.cxx b/embeddedobj/source/msole/olepersist.cxx index fddf46d6e658..c4d80bb404fd 100644 --- a/embeddedobj/source/msole/olepersist.cxx +++ b/embeddedobj/source/msole/olepersist.cxx @@ -743,6 +743,22 @@ void OleEmbeddedObject::SwitchOwnPersistence( const uno::Reference< embed::XStor return; } + uno::Reference<io::XSeekable> xNewSeekable(xNewObjectStream, uno::UNO_QUERY); + if (xNewSeekable.is() && xNewSeekable->getLength() == 0) + { + uno::Reference<io::XSeekable> xOldSeekable(m_xObjectStream, uno::UNO_QUERY); + if (xOldSeekable.is() && xOldSeekable->getLength() > 0) + { + SAL_WARN("embeddedobj.ole", "OleEmbeddedObject::SwitchOwnPersistence(stream version): " + "empty new stream, reusing old one"); + uno::Reference<io::XInputStream> xInput = m_xObjectStream->getInputStream(); + uno::Reference<io::XOutputStream> xOutput = xNewObjectStream->getOutputStream(); + xOldSeekable->seek(0); + comphelper::OStorageHelper::CopyInputToOutput(xInput, xOutput); + xNewSeekable->seek(0); + } + } + try { uno::Reference< lang::XComponent > xComponent( m_xObjectStream, uno::UNO_QUERY ); OSL_ENSURE( !m_xObjectStream.is() || xComponent.is(), "Wrong stream implementation!" ); |