| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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, sal_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, sal_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 |
| |