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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: gio_inputstream.cxx,v $
* $Revision: 1.2 $
*
* 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.
*
************************************************************************/
#include <rtl/memory.h>
#include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp>
#include <ucbhelper/cancelcommandexecution.hxx>
#include <string.h>
#include "gio_inputstream.hxx"
#include "gio_content.hxx"
using namespace com::sun::star;
namespace gio
{
InputStream::InputStream(GFileInputStream *pStream) : Seekable(G_SEEKABLE(pStream)), mpStream(pStream)
{
if (!mpStream)
throw io::NotConnectedException();
}
InputStream::~InputStream( void )
{
closeInput();
}
sal_Int32 SAL_CALL InputStream::available()
throw( io::NotConnectedException, io::IOException, uno::RuntimeException )
{
return 0;
}
void SAL_CALL InputStream::closeInput()
throw( io::NotConnectedException, io::IOException, uno::RuntimeException )
{
if (mpStream)
g_input_stream_close(G_INPUT_STREAM(mpStream), NULL, NULL);
}
void SAL_CALL InputStream::skipBytes( sal_Int32 nBytesToSkip )
throw( io::NotConnectedException, io::BufferSizeExceededException,
io::IOException, uno::RuntimeException )
{
if (!mpStream)
throw io::NotConnectedException();
if (!g_seekable_can_seek(G_SEEKABLE(mpStream)))
throw io::IOException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Seek unsupported")),
static_cast< cppu::OWeakObject * >(this));
GError *pError=NULL;
if (!g_seekable_seek(G_SEEKABLE(mpStream), nBytesToSkip, G_SEEK_CUR, NULL, &pError))
convertToException(pError, static_cast< cppu::OWeakObject * >(this));
}
sal_Int32 SAL_CALL InputStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
throw( io::NotConnectedException, io::BufferSizeExceededException,
io::IOException, uno::RuntimeException )
{
if (!mpStream)
throw io::NotConnectedException();
try
{
aData.realloc( nBytesToRead );
}
catch ( const uno::Exception &e )
{
throw io::BufferSizeExceededException();
}
gsize nBytesRead = 0;
GError *pError=NULL;
if (!g_input_stream_read_all(G_INPUT_STREAM(mpStream), aData.getArray(), nBytesToRead, &nBytesRead, NULL, &pError))
convertToException(pError, static_cast< cppu::OWeakObject * >(this));
aData.realloc(nBytesRead);
return nBytesRead;
}
sal_Int32 SAL_CALL InputStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
throw( io::NotConnectedException, io::BufferSizeExceededException,
io::IOException, uno::RuntimeException )
{
return readBytes(aData, nMaxBytesToRead);
}
uno::Any InputStream::queryInterface( const uno::Type &type ) throw( uno::RuntimeException )
{
uno::Any aRet = ::cppu::queryInterface ( type,
static_cast< XInputStream * >( this ) );
return aRet.hasValue() ? aRet : Seekable::queryInterface( type );
}
}
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