diff options
Diffstat (limited to 'unotools/source/streaming/streamhelper.cxx')
-rw-r--r-- | unotools/source/streaming/streamhelper.cxx | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/unotools/source/streaming/streamhelper.cxx b/unotools/source/streaming/streamhelper.cxx new file mode 100644 index 000000000000..ebbdd783ff21 --- /dev/null +++ b/unotools/source/streaming/streamhelper.cxx @@ -0,0 +1,234 @@ +/************************************************************************* + * + * $RCSfile: streamhelper.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 17:03:55 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ +#include <unotools/streamhelper.hxx> +#ifndef _TOOLS_DEBUG_HXX +#include <tools/debug.hxx> +#endif + +namespace utl +{ + +//------------------------------------------------------------------------------ +void SAL_CALL OInputStreamHelper::acquire() throw (staruno::RuntimeException) +{ + InputStreamHelper_Base::acquire(); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OInputStreamHelper::release() throw (staruno::RuntimeException) +{ + 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_uInt32 nRead; + ErrCode nError = m_xLockBytes->ReadAt(m_nActPos, (void*)aData.getArray(), nBytesToRead, &nRead); + m_nActPos += 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 ); + m_nActPos = 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 ); + m_nActPos = aStat.nSize; + return m_nActPos; +} + +//------------------------------------------------------------------------------ +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 (staruno::RuntimeException) +{ + OutputStreamHelper_Base::acquire(); +} + +//------------------------------------------------------------------------------ +void SAL_CALL OOutputStreamHelper::release() throw (staruno::RuntimeException) +{ + 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)); + + ULONG nWritten; + ErrCode nError = m_xLockBytes->WriteAt( m_nActPos, aData.getConstArray(), aData.getLength(), &nWritten ); + m_nActPos += nWritten; + + if (nError != ERRCODE_NONE || + 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 + + |