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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: odma_inputstream.cxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: obo $ $Date: 2006-09-17 13:57:56 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 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
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_ucb.hxx"
#ifndef ODMA_INPUTSTREAM_HXX
#include "odma_inputstream.hxx"
#endif
#ifndef _COM_SUN_STAR_IO_IOEXCEPTION_HPP_
#include "com/sun/star/io/IOException.hpp"
#endif
#ifndef _COM_SUN_STAR_UCB_OPENCOMMANDARGUMENT2_HPP_
#include <com/sun/star/ucb/OpenCommandArgument2.hpp>
#endif
#ifndef _COM_SUN_STAR_UCB_OPENMODE_HPP_
#include <com/sun/star/ucb/OpenMode.hpp>
#endif
#ifndef _UCBHELPER_CONTENT_HXX
#include <ucbhelper/content.hxx>
#endif
#ifndef _COM_SUN_STAR_IO_XACTIVEDATASTREAMER_HPP_
#include <com/sun/star/io/XActiveDataStreamer.hpp>
#endif
#ifndef _CPPUHELPER_IMPLBASE1_HXX_
#include <cppuhelper/implbase1.hxx>
#endif
#ifndef ODMA_CONTENTPROPS_HXX
#include "odma_contentprops.hxx"
#endif
#ifndef ODMA_PROVIDER_HXX
#include "odma_provider.hxx"
#endif
using namespace odma;
using namespace com::sun::star;
class OActiveDataStreamer : public ::cppu::WeakImplHelper1< ::com::sun::star::io::XActiveDataStreamer>
{
::com::sun::star::uno::Reference< ::com::sun::star::io::XStream > m_xStream;
public:
OActiveDataStreamer(){}
virtual void SAL_CALL setStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& _rStream ) throw (::com::sun::star::uno::RuntimeException)
{
m_xStream = _rStream;
}
virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream > SAL_CALL getStream( ) throw (::com::sun::star::uno::RuntimeException)
{
return m_xStream;
}
};
// -----------------------------------------------------------------------------
OOdmaStream::OOdmaStream(::ucb::Content* _pContent,
ContentProvider* _pProvider,
const ::vos::ORef<ContentProperties>& _rProp)
:m_pContent(_pContent)
,m_bInputStreamCalled(sal_False)
,m_bOutputStreamCalled(sal_False)
,m_bModified(sal_False)
,m_pProvider(_pProvider)
,m_aProp(_rProp)
{
}
// -----------------------------------------------------------------------------
OOdmaStream::~OOdmaStream()
{
try
{
closeStream();
delete m_pContent;
}
catch (io::IOException const &)
{
OSL_ENSURE(false, "unexpected situation");
}
catch (uno::RuntimeException const &)
{
OSL_ENSURE(false, "unexpected situation");
}
}
// -----------------------------------------------------------------------------
uno::Reference< io::XInputStream > SAL_CALL OOdmaStream::getInputStream( ) throw( uno::RuntimeException)
{
{
osl::MutexGuard aGuard( m_aMutex );
m_bInputStreamCalled = sal_True;
}
return uno::Reference< io::XInputStream >( this );
}
// -----------------------------------------------------------------------------
uno::Reference< io::XOutputStream > SAL_CALL OOdmaStream::getOutputStream( ) throw( uno::RuntimeException )
{
{
osl::MutexGuard aGuard( m_aMutex );
m_bOutputStreamCalled = sal_True;
}
return uno::Reference< io::XOutputStream >( this );
}
// -----------------------------------------------------------------------------
sal_Int32 SAL_CALL OOdmaStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
throw( io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException,
uno::RuntimeException)
{
ensureInputStream();
return m_xInput->readBytes(aData,nBytesToRead);
}
// -----------------------------------------------------------------------------
sal_Int32 SAL_CALL OOdmaStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData,sal_Int32 nMaxBytesToRead )
throw( io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException,
uno::RuntimeException)
{
return readBytes( aData,nMaxBytesToRead );
}
// -----------------------------------------------------------------------------
void SAL_CALL OOdmaStream::skipBytes( sal_Int32 nBytesToSkip )
throw( io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException,
uno::RuntimeException )
{
ensureInputStream();
m_xInput->skipBytes(nBytesToSkip );
}
// -----------------------------------------------------------------------------
sal_Int32 SAL_CALL OOdmaStream::available()
throw( io::NotConnectedException,
io::IOException,
uno::RuntimeException)
{
ensureInputStream();
return m_xInput->available();
}
// -----------------------------------------------------------------------------
void SAL_CALL OOdmaStream::writeBytes( const uno::Sequence< sal_Int8 >& aData )
throw( io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException,
uno::RuntimeException)
{
ensureOutputStream();
m_xOutput->writeBytes(aData);
m_bModified = sal_True;
}
// -----------------------------------------------------------------------------
void SAL_CALL OOdmaStream::closeStream() throw( io::NotConnectedException,io::IOException,uno::RuntimeException )
{
if( m_xInput.is() )
{
m_xInput->closeInput();
m_xInput = NULL;
m_xInputSeek = NULL;
}
if(m_xOutput.is())
{
m_xOutput->closeOutput();
m_xOutput = NULL;
m_xTruncate = NULL;
if(m_bModified)
m_pProvider->saveDocument(m_aProp->m_sDocumentId);
}
}
// -----------------------------------------------------------------------------
void SAL_CALL OOdmaStream::closeInput()
throw( io::NotConnectedException,
io::IOException,
uno::RuntimeException )
{
osl::MutexGuard aGuard( m_aMutex );
m_bInputStreamCalled = sal_False;
if( ! m_bOutputStreamCalled )
closeStream();
}
// -----------------------------------------------------------------------------
void SAL_CALL OOdmaStream::closeOutput()
throw( io::NotConnectedException,
io::IOException,
uno::RuntimeException )
{
osl::MutexGuard aGuard( m_aMutex );
m_bOutputStreamCalled = sal_False;
if( ! m_bInputStreamCalled )
closeStream();
}
// -----------------------------------------------------------------------------
void SAL_CALL OOdmaStream::flush()
throw( io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException,
uno::RuntimeException )
{
ensureOutputStream();
m_xOutput->flush();
}
// -----------------------------------------------------------------------------
void OOdmaStream::ensureInputStream() throw( io::IOException )
{
try
{
if(!m_xInput.is())
{
m_xInput = m_pContent->openStream();
m_xInputSeek = uno::Reference< io::XSeekable>(m_xInput,uno::UNO_QUERY);
}
}
catch(const uno::Exception&)
{
}
if(!m_xInput.is())
throw io::IOException();
}
// -----------------------------------------------------------------------------
void OOdmaStream::ensureOutputStream() throw( io::IOException )
{
try
{
if(!m_xOutput.is())
{
::com::sun::star::ucb::OpenCommandArgument2 aCommand;
aCommand.Mode = ::com::sun::star::ucb::OpenMode::DOCUMENT;
uno::Reference< io::XActiveDataStreamer > xActiveStreamer = new OActiveDataStreamer();
aCommand.Sink = xActiveStreamer;
m_pContent->executeCommand(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("open")),uno::makeAny(aCommand));
if(xActiveStreamer.is())
{
uno::Reference< io::XStream> xStream = xActiveStreamer->getStream();
if(xStream.is())
m_xOutput = xStream->getOutputStream();
}
}
}
catch(const uno::Exception&)
{
}
if(!m_xOutput.is())
throw io::IOException();
m_xTruncate = uno::Reference< io::XTruncate>(m_xOutput,uno::UNO_QUERY);
}
// -----------------------------------------------------------------------------
// XTruncate
void SAL_CALL OOdmaStream::truncate( void )
throw( com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException )
{
if(m_xTruncate.is())
m_xTruncate->truncate();
}
// -----------------------------------------------------------------------------
// XSeekable
void SAL_CALL OOdmaStream::seek(sal_Int64 location )
throw( com::sun::star::lang::IllegalArgumentException,
com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException )
{
ensureInputStream();
if(m_xInputSeek.is())
m_xInputSeek->seek(location);
}
// -----------------------------------------------------------------------------
sal_Int64 SAL_CALL OOdmaStream::getPosition()
throw( com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException )
{
ensureInputStream();
return m_xInputSeek.is() ? m_xInputSeek->getPosition() : sal_Int64(0);
}
// -----------------------------------------------------------------------------
sal_Int64 SAL_CALL OOdmaStream::getLength()
throw( com::sun::star::io::IOException,
com::sun::star::uno::RuntimeException )
{
ensureInputStream();
return m_xInputSeek.is() ? m_xInputSeek->getLength() : sal_Int64(0);
}
// -----------------------------------------------------------------------------
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