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/**************************************************************
*
* 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_ftp.hxx"
/**************************************************************************
TODO
**************************************************************************
*************************************************************************/
#include "ftpinpstr.hxx"
#ifndef _RTL_ALLOC_H
#include <rtl/alloc.h>
#endif
#ifndef STD_ALGORITHM
#include <algorithm>
#define STD_ALGORITHM
#endif
using namespace ftp;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::io;
FTPInputStream::FTPInputStream( oslFileHandle tmpfl )
: m_tmpfl(tmpfl)
, m_nLength( 0 )
{
if ( !m_tmpfl )
osl_createTempFile( NULL, &m_tmpfl, NULL );
OSL_ENSURE( m_tmpfl, "input stream without tempfile!" );
if ( osl_setFilePos( m_tmpfl, osl_Pos_End, 0 ) == osl_File_E_None )
{
sal_uInt64 nFileSize = 0;
if ( osl_getFilePos( m_tmpfl, &nFileSize ) == osl_File_E_None )
m_nLength = nFileSize;
osl_setFilePos( m_tmpfl, osl_Pos_Absolut, 0 );
}
}
FTPInputStream::~FTPInputStream()
{
if ( 0 != m_tmpfl)
osl_closeFile(m_tmpfl);
}
sal_Int32 SAL_CALL FTPInputStream::readBytes(Sequence< sal_Int8 >& aData,
sal_Int32 nBytesToRead)
throw(NotConnectedException,
BufferSizeExceededException,
IOException,
RuntimeException)
{
osl::MutexGuard aGuard(m_aMutex);
sal_uInt64 nBeforePos( 0 );
sal_uInt64 nBytesRequested( nBytesToRead );
sal_uInt64 nBytesRead( 0 );
osl_getFilePos( m_tmpfl, &nBeforePos );
if ( 0 == ( nBytesRequested = std::min< sal_uInt64 >( m_nLength - nBeforePos, nBytesRequested ) ) )
return 0;
if ( 0 <= nBytesToRead && aData.getLength() < nBytesToRead )
aData.realloc( nBytesToRead );
if ( osl_readFile( m_tmpfl, aData.getArray(), nBytesRequested, &nBytesRead ) != osl_File_E_None )
throw IOException();
return sal_Int32( nBytesRead );
}
sal_Int32 SAL_CALL FTPInputStream::readSomeBytes( Sequence< sal_Int8 >& aData,
sal_Int32 nMaxBytesToRead )
throw( NotConnectedException,
BufferSizeExceededException,
IOException,
RuntimeException)
{
return readBytes(aData,nMaxBytesToRead);
}
void SAL_CALL FTPInputStream::skipBytes(sal_Int32 nBytesToSkip)
throw(NotConnectedException,
BufferSizeExceededException,
IOException,
RuntimeException)
{
osl::MutexGuard aGuard(m_aMutex);
if(!m_tmpfl)
throw IOException();
osl_setFilePos( m_tmpfl, osl_Pos_Current, nBytesToSkip );
}
sal_Int32 SAL_CALL FTPInputStream::available(void)
throw(NotConnectedException,
IOException,
RuntimeException)
{
return sal::static_int_cast<sal_Int32>(m_nLength - getPosition());
}
void SAL_CALL FTPInputStream::closeInput(void)
throw(NotConnectedException,
IOException,
RuntimeException)
{
osl::MutexGuard aGuard(m_aMutex);
if(m_tmpfl)
osl_closeFile(m_tmpfl),m_tmpfl = 0;
}
void SAL_CALL FTPInputStream::seek(sal_Int64 location)
throw( IllegalArgumentException,
IOException,
RuntimeException )
{
osl::MutexGuard aGuard(m_aMutex);
if(!m_tmpfl)
throw IOException();
osl_setFilePos( m_tmpfl, osl_Pos_Absolut, location );
}
sal_Int64 SAL_CALL
FTPInputStream::getPosition(
void )
throw( IOException,
RuntimeException )
{
osl::MutexGuard aGuard(m_aMutex);
if(!m_tmpfl)
throw IOException();
sal_uInt64 nFilePos = 0;
osl_getFilePos( m_tmpfl, &nFilePos );
return nFilePos;
}
sal_Int64 SAL_CALL FTPInputStream::getLength(
void
) throw(
IOException,RuntimeException
)
{
return m_nLength;
}
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