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Diffstat (limited to 'unotools/source/streaming/streamwrap.cxx')
| -rw-r--r-- | unotools/source/streaming/streamwrap.cxx | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/unotools/source/streaming/streamwrap.cxx b/unotools/source/streaming/streamwrap.cxx new file mode 100644 index 000000000000..b9f03b022d6e --- /dev/null +++ b/unotools/source/streaming/streamwrap.cxx @@ -0,0 +1,382 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: streamwrap.cxx,v $ + * $Revision: 1.8 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_unotools.hxx" +#include <unotools/streamwrap.hxx> +#include <tools/stream.hxx> +#include <tools/debug.hxx> + +namespace utl +{ + +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::io; +using namespace ::com::sun::star::lang; + +//================================================================== +//= OInputStreamWrapper +//================================================================== +DBG_NAME(OInputStreamWrapper) +//------------------------------------------------------------------ +OInputStreamWrapper::OInputStreamWrapper( SvStream& _rStream ) + :m_pSvStream(&_rStream) + ,m_bSvStreamOwner(sal_False) +{ + DBG_CTOR(OInputStreamWrapper,NULL); + +} + +//------------------------------------------------------------------ +OInputStreamWrapper::OInputStreamWrapper( SvStream* pStream, sal_Bool bOwner ) + :m_pSvStream( pStream ) + ,m_bSvStreamOwner( bOwner ) +{ + DBG_CTOR(OInputStreamWrapper,NULL); + +} + +//------------------------------------------------------------------ +OInputStreamWrapper::~OInputStreamWrapper() +{ + if( m_bSvStreamOwner ) + delete m_pSvStream; + + DBG_DTOR(OInputStreamWrapper,NULL); +} + +//------------------------------------------------------------------------------ +sal_Int32 SAL_CALL OInputStreamWrapper::readBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) + throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException ) +{ + checkConnected(); + + if (nBytesToRead < 0) + throw stario::BufferSizeExceededException(::rtl::OUString(),static_cast<staruno::XWeak*>(this)); + + ::osl::MutexGuard aGuard( m_aMutex ); + + aData.realloc(nBytesToRead); + + sal_uInt32 nRead = m_pSvStream->Read((void*)aData.getArray(), nBytesToRead); + checkError(); + + // Wenn gelesene Zeichen < MaxLength, staruno::Sequence anpassen + if (nRead < (sal_uInt32)nBytesToRead) + aData.realloc( nRead ); + + return nRead; +} + +//------------------------------------------------------------------------------ +sal_Int32 SAL_CALL OInputStreamWrapper::readSomeBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException ) +{ + checkError(); + + if (nMaxBytesToRead < 0) + throw stario::BufferSizeExceededException(::rtl::OUString(),static_cast<staruno::XWeak*>(this)); + + if (m_pSvStream->IsEof()) + { + aData.realloc(0); + return 0; + } + else + return readBytes(aData, nMaxBytesToRead); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OInputStreamWrapper::skipBytes(sal_Int32 nBytesToSkip) throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkError(); + +#ifdef DBG_UTIL + sal_uInt32 nCurrentPos = m_pSvStream->Tell(); +#endif + + m_pSvStream->SeekRel(nBytesToSkip); + checkError(); + +#ifdef DBG_UTIL + nCurrentPos = m_pSvStream->Tell(); +#endif +} + +//------------------------------------------------------------------------------ +sal_Int32 SAL_CALL OInputStreamWrapper::available() throw( stario::NotConnectedException, staruno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkConnected(); + + sal_uInt32 nPos = m_pSvStream->Tell(); + checkError(); + + m_pSvStream->Seek(STREAM_SEEK_TO_END); + checkError(); + + sal_Int32 nAvailable = (sal_Int32)m_pSvStream->Tell() - nPos; + m_pSvStream->Seek(nPos); + checkError(); + + return nAvailable; +} + +//------------------------------------------------------------------------------ +void SAL_CALL OInputStreamWrapper::closeInput() throw( stario::NotConnectedException, staruno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkConnected(); + + if (m_bSvStreamOwner) + delete m_pSvStream; + + m_pSvStream = NULL; +} + +//------------------------------------------------------------------------------ +void OInputStreamWrapper::checkConnected() const +{ + if (!m_pSvStream) + throw stario::NotConnectedException(::rtl::OUString(), const_cast<staruno::XWeak*>(static_cast<const staruno::XWeak*>(this))); +} + +//------------------------------------------------------------------------------ +void OInputStreamWrapper::checkError() const +{ + checkConnected(); + + if (m_pSvStream->SvStream::GetError() != ERRCODE_NONE) + // TODO: really evaluate the error + throw stario::NotConnectedException(::rtl::OUString(), const_cast<staruno::XWeak*>(static_cast<const staruno::XWeak*>(this))); +} + +//================================================================== +//= OSeekableInputStreamWrapper +//================================================================== +//------------------------------------------------------------------------------ +OSeekableInputStreamWrapper::OSeekableInputStreamWrapper(SvStream& _rStream) +{ + SetStream( &_rStream, FALSE ); +} + +//------------------------------------------------------------------------------ +OSeekableInputStreamWrapper::OSeekableInputStreamWrapper(SvStream* _pStream, sal_Bool _bOwner) +{ + SetStream( _pStream, _bOwner ); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OSeekableInputStreamWrapper::seek( sal_Int64 _nLocation ) throw (IllegalArgumentException, IOException, RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkConnected(); + + m_pSvStream->Seek((sal_uInt32)_nLocation); + checkError(); +} + +//------------------------------------------------------------------------------ +sal_Int64 SAL_CALL OSeekableInputStreamWrapper::getPosition( ) throw (IOException, RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkConnected(); + + sal_uInt32 nPos = m_pSvStream->Tell(); + checkError(); + return (sal_Int64)nPos; +} + +//------------------------------------------------------------------------------ +sal_Int64 SAL_CALL OSeekableInputStreamWrapper::getLength( ) throw (IOException, RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkConnected(); + + sal_uInt32 nCurrentPos = m_pSvStream->Tell(); + checkError(); + + m_pSvStream->Seek(STREAM_SEEK_TO_END); + sal_uInt32 nEndPos = m_pSvStream->Tell(); + m_pSvStream->Seek(nCurrentPos); + + checkError(); + + return (sal_Int64)nEndPos; +} + +//================================================================== +//= OOutputStreamWrapper +//================================================================== +//------------------------------------------------------------------------------ +void SAL_CALL OOutputStreamWrapper::writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException ) +{ + sal_uInt32 nWritten = rStream.Write(aData.getConstArray(),aData.getLength()); + ErrCode err = rStream.GetError(); + if ( (ERRCODE_NONE != err) + || (nWritten != (sal_uInt32)aData.getLength()) + ) + { + throw stario::BufferSizeExceededException(::rtl::OUString(),static_cast<staruno::XWeak*>(this)); + } +} + +//------------------------------------------------------------------ +void SAL_CALL OOutputStreamWrapper::flush() throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException ) +{ + rStream.Flush(); + checkError(); +} + +//------------------------------------------------------------------ +void SAL_CALL OOutputStreamWrapper::closeOutput() throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException ) +{ +} + +//------------------------------------------------------------------------------ +void OOutputStreamWrapper::checkError() const +{ + if (rStream.GetError() != ERRCODE_NONE) + // TODO: really evaluate the error + throw stario::NotConnectedException(::rtl::OUString(), const_cast<staruno::XWeak*>(static_cast<const staruno::XWeak*>(this))); +} + +//================================================================== +//= OSeekableOutputStreamWrapper +//================================================================== +//------------------------------------------------------------------------------ +OSeekableOutputStreamWrapper::OSeekableOutputStreamWrapper(SvStream& _rStream) + :OOutputStreamWrapper(_rStream) +{ +} + +//------------------------------------------------------------------------------ +Any SAL_CALL OSeekableOutputStreamWrapper::queryInterface( const Type& _rType ) throw (RuntimeException) +{ + Any aReturn = OOutputStreamWrapper::queryInterface(_rType); + if (!aReturn.hasValue()) + aReturn = OSeekableOutputStreamWrapper_Base::queryInterface(_rType); + return aReturn; +} + +//------------------------------------------------------------------------------ +void SAL_CALL OSeekableOutputStreamWrapper::acquire( ) throw () +{ + OOutputStreamWrapper::acquire(); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OSeekableOutputStreamWrapper::release( ) throw () +{ + OOutputStreamWrapper::release(); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OSeekableOutputStreamWrapper::seek( sal_Int64 _nLocation ) throw (IllegalArgumentException, IOException, RuntimeException) +{ + rStream.Seek((sal_uInt32)_nLocation); + checkError(); +} + +//------------------------------------------------------------------------------ +sal_Int64 SAL_CALL OSeekableOutputStreamWrapper::getPosition( ) throw (IOException, RuntimeException) +{ + sal_uInt32 nPos = rStream.Tell(); + checkError(); + return (sal_Int64)nPos; +} + +//------------------------------------------------------------------------------ +sal_Int64 SAL_CALL OSeekableOutputStreamWrapper::getLength( ) throw (IOException, RuntimeException) +{ + sal_uInt32 nCurrentPos = rStream.Tell(); + checkError(); + + rStream.Seek(STREAM_SEEK_TO_END); + sal_uInt32 nEndPos = rStream.Tell(); + rStream.Seek(nCurrentPos); + + checkError(); + + return (sal_Int64)nEndPos; +} + +//------------------------------------------------------------------------------ +OStreamWrapper::OStreamWrapper(SvStream& _rStream) +{ + SetStream( &_rStream, FALSE ); +} + +//------------------------------------------------------------------------------ +::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL OStreamWrapper::getInputStream( ) throw (::com::sun::star::uno::RuntimeException) +{ + return this; +} + +//------------------------------------------------------------------------------ +::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL OStreamWrapper::getOutputStream( ) throw (::com::sun::star::uno::RuntimeException) +{ + return this; +} + +//------------------------------------------------------------------------------ +void SAL_CALL OStreamWrapper::writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException) +{ + sal_uInt32 nWritten = m_pSvStream->Write(aData.getConstArray(),aData.getLength()); + ErrCode err = m_pSvStream->GetError(); + if ( (ERRCODE_NONE != err) + || (nWritten != (sal_uInt32)aData.getLength()) + ) + { + throw stario::BufferSizeExceededException(::rtl::OUString(),static_cast<staruno::XWeak*>(this)); + } +} + +//------------------------------------------------------------------------------ +void SAL_CALL OStreamWrapper::flush() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException) +{ + m_pSvStream->Flush(); + if (m_pSvStream->GetError() != ERRCODE_NONE) + throw stario::NotConnectedException(::rtl::OUString(),static_cast<staruno::XWeak*>(this)); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OStreamWrapper::closeOutput() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException) +{ +} + +//------------------------------------------------------------------------------ +void SAL_CALL OStreamWrapper::truncate() throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) +{ + m_pSvStream->SetStreamSize(0); +} + +} // namespace utl + |