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INTEGRATION: CWS mav05 (1.1.2); FILE ADDED

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2003/07/22 15:00:28 mav 1.1.2.3: #i15929# streams should not use refcounting internally
2003/06/25 07:52:20 mav 1.1.2.2: #i15929# provide properties for substreams
2003/06/23 10:49:24 mav 1.1.2.1: #i15929# new storage implementation
This commit is contained in:
Kurt Zenker 2003-09-11 09:15:03 +00:00
parent 270ad7aa64
commit 40fcf586b7
1 changed files with 209 additions and 0 deletions
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209
package/source/xstor/oseekinstream.cxx Normal file
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/*************************************************************************
*
* $RCSfile: oseekinstream.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: kz $ $Date: 2003-09-11 10:15:03 $
*
* 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): _______________________________________
*
*
************************************************************************/
#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
#include <com/sun/star/lang/DisposedException.hpp>
#endif
#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
#include <cppuhelper/typeprovider.hxx>
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
#include "oseekinstream.hxx"
#include "owriteablestream.hxx"
using namespace ::com::sun::star;
OInputSeekStream::OInputSeekStream( OWriteStream_Impl& pImpl,
uno::Reference < io::XStream > xStream,
const uno::Sequence< beans::PropertyValue >& aProps )
: OInputCompStream( pImpl )
{
OSL_ENSURE( xStream.is(), "No stream is provided!\n" );
if ( xStream.is() )
{
m_xStream = xStream->getInputStream();
m_xSeekable = uno::Reference< io::XSeekable >( xStream, uno::UNO_QUERY );
OSL_ENSURE( m_xStream.is(), "No input stream is provided!\n" );
OSL_ENSURE( m_xSeekable.is(), "No seeking support!\n" );
}
m_aProperties = aProps;
}
OInputSeekStream::OInputSeekStream( OWriteStream_Impl& pImpl,
uno::Reference < io::XInputStream > xStream,
const uno::Sequence< beans::PropertyValue >& aProps )
: OInputCompStream( pImpl, xStream, aProps )
{
if ( m_xStream.is() )
{
m_xSeekable = uno::Reference< io::XSeekable >( m_xStream, uno::UNO_QUERY );
OSL_ENSURE( m_xSeekable.is(), "No seeking support!\n" );
}
}
OInputSeekStream::~OInputSeekStream()
{
}
uno::Sequence< uno::Type > SAL_CALL OInputSeekStream::getTypes()
throw ( uno::RuntimeException )
{
static ::cppu::OTypeCollection* pTypeCollection = NULL ;
if ( pTypeCollection == NULL )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ) ;
if ( pTypeCollection == NULL )
{
static ::cppu::OTypeCollection aTypeCollection(
::getCppuType(( const uno::Reference< io::XSeekable >* )NULL ),
OInputCompStream::getTypes() );
pTypeCollection = &aTypeCollection ;
}
}
return pTypeCollection->getTypes() ;
}
uno::Any SAL_CALL OInputSeekStream::queryInterface( const uno::Type& rType )
throw( uno::RuntimeException )
{
// Attention:
// Don't use mutex or guard in this method!!! Is a method of XInterface.
uno::Any aReturn( ::cppu::queryInterface( rType,
static_cast< io::XSeekable* >( this ) ) );
if ( aReturn.hasValue() == sal_True )
{
return aReturn ;
}
return OInputCompStream::queryInterface( rType ) ;
}
void SAL_CALL OInputSeekStream::acquire()
throw()
{
OInputCompStream::acquire();
}
void SAL_CALL OInputSeekStream::release()
throw()
{
OInputCompStream::release();
}
void SAL_CALL OInputSeekStream::seek( sal_Int64 location )
throw ( lang::IllegalArgumentException,
io::IOException,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_pImpl )
throw lang::DisposedException();
if ( !m_xSeekable.is() )
throw uno::RuntimeException();
m_xSeekable->seek( location );
}
sal_Int64 SAL_CALL OInputSeekStream::getPosition()
throw ( io::IOException,
uno::RuntimeException)
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_pImpl )
throw lang::DisposedException();
if ( !m_xSeekable.is() )
throw uno::RuntimeException();
return m_xSeekable->getPosition();
}
sal_Int64 SAL_CALL OInputSeekStream::getLength()
throw ( io::IOException,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_pImpl )
throw lang::DisposedException();
if ( !m_xSeekable.is() )
throw uno::RuntimeException();
return m_xSeekable->getLength();
}