234 lines
8.9 KiB
C++
234 lines
8.9 KiB
C++
/*************************************************************************
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*
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* $RCSfile: streamhelper.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: mtg $ $Date: 2001-01-12 11:23:11 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include <unotools/streamhelper.hxx>
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#ifndef _TOOLS_DEBUG_HXX
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#include <tools/debug.hxx>
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#endif
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namespace utl
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{
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//------------------------------------------------------------------------------
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void SAL_CALL OInputStreamHelper::acquire() throw (staruno::RuntimeException)
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{
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InputStreamHelper_Base::acquire();
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}
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//------------------------------------------------------------------------------
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void SAL_CALL OInputStreamHelper::release() throw (staruno::RuntimeException)
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{
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InputStreamHelper_Base::release();
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}
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//------------------------------------------------------------------------------
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sal_Int32 SAL_CALL OInputStreamHelper::readBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead)
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throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException)
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{
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if (!m_xLockBytes.Is())
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throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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if (nBytesToRead < 0)
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throw stario::BufferSizeExceededException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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::osl::MutexGuard aGuard( m_aMutex );
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aData.realloc(nBytesToRead);
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sal_uInt32 nRead;
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ErrCode nError = m_xLockBytes->ReadAt(m_nActPos, (void*)aData.getArray(), nBytesToRead, &nRead);
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m_nActPos += nRead;
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if (nError != ERRCODE_NONE)
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throw stario::IOException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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// adjust sequence if data read is lower than the desired data
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if (nRead < (sal_uInt32)nBytesToRead)
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aData.realloc( nRead );
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return nRead;
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}
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void SAL_CALL OInputStreamHelper::seek( sal_Int64 location ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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m_nActPos = location;
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}
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sal_Int64 SAL_CALL OInputStreamHelper::getPosition( ) throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
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{
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return m_nActPos;
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}
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sal_Int64 SAL_CALL OInputStreamHelper::getLength( ) throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
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{
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if (!m_xLockBytes.Is())
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return 0;
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::osl::MutexGuard aGuard( m_aMutex );
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SvLockBytesStat aStat;
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m_xLockBytes->Stat( &aStat, SVSTATFLAG_DEFAULT );
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return aStat.nSize;
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}
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//------------------------------------------------------------------------------
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sal_Int32 SAL_CALL OInputStreamHelper::readSomeBytes(staruno::Sequence< sal_Int8 >& aData,
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sal_Int32 nMaxBytesToRead)
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throw (stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException)
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{
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// read all data desired
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return readBytes(aData, nMaxBytesToRead);
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}
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//------------------------------------------------------------------------------
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void SAL_CALL OInputStreamHelper::skipBytes(sal_Int32 nBytesToSkip)
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throw (stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if (!m_xLockBytes.Is())
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throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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if (nBytesToSkip < 0)
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throw stario::BufferSizeExceededException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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m_nActPos += nBytesToSkip;
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}
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//------------------------------------------------------------------------------
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sal_Int32 SAL_CALL OInputStreamHelper::available()
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throw (stario::NotConnectedException, stario::IOException, staruno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if (!m_xLockBytes.Is())
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throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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return m_nAvailable;
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}
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//------------------------------------------------------------------------------
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void SAL_CALL OInputStreamHelper::closeInput()
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throw (stario::NotConnectedException, stario::IOException, staruno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if (!m_xLockBytes.Is())
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throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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m_xLockBytes = NULL;
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}
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/*************************************************************************/
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//------------------------------------------------------------------------------
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void SAL_CALL OOutputStreamHelper::acquire() throw (staruno::RuntimeException)
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{
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OutputStreamHelper_Base::acquire();
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}
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//------------------------------------------------------------------------------
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void SAL_CALL OOutputStreamHelper::release() throw (staruno::RuntimeException)
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{
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OutputStreamHelper_Base::release();
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}
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// stario::XOutputStream
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//------------------------------------------------------------------------------
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void SAL_CALL OOutputStreamHelper::writeBytes(const staruno::Sequence< sal_Int8 >& aData)
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throw (stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if (!m_xLockBytes.Is())
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throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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ULONG nWritten;
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ErrCode nError = m_xLockBytes->WriteAt( m_nActPos, aData.getConstArray(), aData.getLength(), &nWritten );
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m_nActPos += nWritten;
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if (nError != ERRCODE_NONE ||
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nWritten != aData.getLength())
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{
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throw stario::IOException(::rtl::OUString(),static_cast<staruno::XWeak*>(this));
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}
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}
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//------------------------------------------------------------------
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void SAL_CALL OOutputStreamHelper::flush()
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throw (stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if (!m_xLockBytes.Is())
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throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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ErrCode nError = m_xLockBytes->Flush();
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if (nError != ERRCODE_NONE)
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throw stario::IOException(::rtl::OUString(),static_cast<staruno::XWeak*>(this));
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}
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//------------------------------------------------------------------
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void SAL_CALL OOutputStreamHelper::closeOutput( )
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throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if (!m_xLockBytes.Is())
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throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
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m_xLockBytes = NULL;
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}
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} // namespace utl
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