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Diffstat (limited to 'package/source/zippackage/wrapstreamforshare.cxx')
| -rw-r--r-- | package/source/zippackage/wrapstreamforshare.cxx | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/package/source/zippackage/wrapstreamforshare.cxx b/package/source/zippackage/wrapstreamforshare.cxx new file mode 100644 index 000000000000..d3d2eb84d1b7 --- /dev/null +++ b/package/source/zippackage/wrapstreamforshare.cxx @@ -0,0 +1,180 @@ +/************************************************************************* + * + * 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_package.hxx" +#include <osl/diagnose.h> + +#include "wrapstreamforshare.hxx" + +using namespace ::com::sun::star; + + +WrapStreamForShare::WrapStreamForShare( const uno::Reference< io::XInputStream >& xInStream, + const SotMutexHolderRef& rMutexRef ) +: m_rMutexRef( rMutexRef ) +, m_xInStream( xInStream ) +, m_nCurPos( 0 ) +{ + m_xSeekable = uno::Reference< io::XSeekable >( m_xInStream, uno::UNO_QUERY ); + if ( !m_rMutexRef.Is() || !m_xInStream.is() || !m_xSeekable.is() ) + { + OSL_ENSURE( sal_False, "Wrong initialization of wrapping stream!\n" ); + throw uno::RuntimeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); + } +} + +WrapStreamForShare::~WrapStreamForShare() +{ +} + +// XInputStream +sal_Int32 SAL_CALL WrapStreamForShare::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) + throw ( io::NotConnectedException, + io::BufferSizeExceededException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); + + m_xSeekable->seek( m_nCurPos ); + + sal_Int32 nRead = m_xInStream->readBytes( aData, nBytesToRead ); + m_nCurPos += nRead; + + return nRead; +} + +sal_Int32 SAL_CALL WrapStreamForShare::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) + throw ( io::NotConnectedException, + io::BufferSizeExceededException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); + + m_xSeekable->seek( m_nCurPos ); + + sal_Int32 nRead = m_xInStream->readSomeBytes( aData, nMaxBytesToRead ); + m_nCurPos += nRead; + + return nRead; +} + +void SAL_CALL WrapStreamForShare::skipBytes( sal_Int32 nBytesToSkip ) + throw ( io::NotConnectedException, + io::BufferSizeExceededException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); + + m_xSeekable->seek( m_nCurPos ); + + m_xInStream->skipBytes( nBytesToSkip ); + m_nCurPos = m_xSeekable->getPosition(); +} + +sal_Int32 SAL_CALL WrapStreamForShare::available() + throw ( io::NotConnectedException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); + + return m_xInStream->available(); +} + +void SAL_CALL WrapStreamForShare::closeInput() + throw ( io::NotConnectedException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); + + // the package is the owner so it will close the stream + // m_xInStream->closeInput(); + m_xInStream = uno::Reference< io::XInputStream >(); + m_xSeekable = uno::Reference< io::XSeekable >(); +} + +// XSeekable +void SAL_CALL WrapStreamForShare::seek( sal_Int64 location ) + throw ( lang::IllegalArgumentException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); + + // let stream implementation do all the checking + m_xSeekable->seek( location ); + + m_nCurPos = m_xSeekable->getPosition(); +} + +sal_Int64 SAL_CALL WrapStreamForShare::getPosition() + throw ( io::IOException, + uno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); + + return m_nCurPos; +} + +sal_Int64 SAL_CALL WrapStreamForShare::getLength() + throw ( io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); + + return m_xSeekable->getLength(); +} + |