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Diffstat (limited to 'unotools/source/streaming/streamhelper.cxx')
-rw-r--r-- | unotools/source/streaming/streamhelper.cxx | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/unotools/source/streaming/streamhelper.cxx b/unotools/source/streaming/streamhelper.cxx new file mode 100644 index 000000000000..0ca20cf1c5e2 --- /dev/null +++ b/unotools/source/streaming/streamhelper.cxx @@ -0,0 +1,204 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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/streamhelper.hxx> +#include <tools/debug.hxx> + +namespace utl +{ + +//------------------------------------------------------------------------------ +void SAL_CALL OInputStreamHelper::acquire() throw () +{ + InputStreamHelper_Base::acquire(); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OInputStreamHelper::release() throw () +{ + InputStreamHelper_Base::release(); +} + +//------------------------------------------------------------------------------ +sal_Int32 SAL_CALL OInputStreamHelper::readBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) + throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException) +{ + if (!m_xLockBytes.Is()) + throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + if (nBytesToRead < 0) + throw stario::BufferSizeExceededException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + ::osl::MutexGuard aGuard( m_aMutex ); + aData.realloc(nBytesToRead); + + sal_Size nRead; + ErrCode nError = m_xLockBytes->ReadAt(m_nActPos, (void*)aData.getArray(), nBytesToRead, &nRead); + // FIXME nRead could be truncated on 64-bit arches + m_nActPos += (sal_uInt32)nRead; + + if (nError != ERRCODE_NONE) + throw stario::IOException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + // adjust sequence if data read is lower than the desired data + if (nRead < (sal_uInt32)nBytesToRead) + aData.realloc( nRead ); + + return nRead; +} + +void SAL_CALL OInputStreamHelper::seek( sal_Int64 location ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + // cast is truncating, but position would be truncated as soon as + // put into SvLockBytes anyway + m_nActPos = sal::static_int_cast<sal_uInt32>(location); +} + +sal_Int64 SAL_CALL OInputStreamHelper::getPosition( ) throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) +{ + return m_nActPos; +} + +sal_Int64 SAL_CALL OInputStreamHelper::getLength( ) throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) +{ + if (!m_xLockBytes.Is()) + return 0; + + ::osl::MutexGuard aGuard( m_aMutex ); + SvLockBytesStat aStat; + m_xLockBytes->Stat( &aStat, SVSTATFLAG_DEFAULT ); + return aStat.nSize; +} + +//------------------------------------------------------------------------------ +sal_Int32 SAL_CALL OInputStreamHelper::readSomeBytes(staruno::Sequence< sal_Int8 >& aData, + sal_Int32 nMaxBytesToRead) + throw (stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException) +{ + // read all data desired + return readBytes(aData, nMaxBytesToRead); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OInputStreamHelper::skipBytes(sal_Int32 nBytesToSkip) + throw (stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if (!m_xLockBytes.Is()) + throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + if (nBytesToSkip < 0) + throw stario::BufferSizeExceededException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + m_nActPos += nBytesToSkip; +} + +//------------------------------------------------------------------------------ +sal_Int32 SAL_CALL OInputStreamHelper::available() + throw (stario::NotConnectedException, stario::IOException, staruno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if (!m_xLockBytes.Is()) + throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + return m_nAvailable; +} + +//------------------------------------------------------------------------------ +void SAL_CALL OInputStreamHelper::closeInput() + throw (stario::NotConnectedException, stario::IOException, staruno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if (!m_xLockBytes.Is()) + throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + m_xLockBytes = NULL; +} + +/*************************************************************************/ +//------------------------------------------------------------------------------ +void SAL_CALL OOutputStreamHelper::acquire() throw () +{ + OutputStreamHelper_Base::acquire(); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OOutputStreamHelper::release() throw () +{ + OutputStreamHelper_Base::release(); +} +// stario::XOutputStream +//------------------------------------------------------------------------------ +void SAL_CALL OOutputStreamHelper::writeBytes(const staruno::Sequence< sal_Int8 >& aData) + throw (stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if (!m_xLockBytes.Is()) + throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + sal_Size nWritten; + ErrCode nError = m_xLockBytes->WriteAt( m_nActPos, aData.getConstArray(), aData.getLength(), &nWritten ); + // FIXME nWritten could be truncated on 64-bit arches + m_nActPos += (sal_uInt32)nWritten; + + if (nError != ERRCODE_NONE || + sal::static_int_cast<sal_Int32>(nWritten) != aData.getLength()) + { + throw stario::IOException(::rtl::OUString(),static_cast<staruno::XWeak*>(this)); + } +} + +//------------------------------------------------------------------ +void SAL_CALL OOutputStreamHelper::flush() + throw (stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if (!m_xLockBytes.Is()) + throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + ErrCode nError = m_xLockBytes->Flush(); + if (nError != ERRCODE_NONE) + throw stario::IOException(::rtl::OUString(),static_cast<staruno::XWeak*>(this)); +} + +//------------------------------------------------------------------ +void SAL_CALL OOutputStreamHelper::closeOutput( ) + throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if (!m_xLockBytes.Is()) + throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this)); + + m_xLockBytes = NULL; +} + +} // namespace utl + + |