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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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 <com/sun/star/lang/DisposedException.hpp>
#include <cppuhelper/typeprovider.hxx>
#include <osl/diagnose.h>
#include "oseekinstream.hxx"
#include "owriteablestream.hxx"
using namespace ::com::sun::star;
OInputSeekStream::OInputSeekStream( OWriteStream_Impl& pImpl,
uno::Reference < io::XInputStream > xStream,
const uno::Sequence< beans::PropertyValue >& aProps,
sal_Int32 nStorageType )
: OInputCompStream( pImpl, xStream, aProps, nStorageType )
{
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::Reference < io::XInputStream > xStream,
const uno::Sequence< beans::PropertyValue >& aProps,
sal_Int32 nStorageType )
: OInputCompStream( xStream, aProps, nStorageType )
{
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_bDisposed )
{
::package::StaticAddLog( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX "Disposed!" ) ) );
throw lang::DisposedException();
}
if ( !m_xSeekable.is() )
{
::package::StaticAddLog( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX "No seekable!" ) ) );
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_bDisposed )
{
::package::StaticAddLog( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX "Disposed!" ) ) );
throw lang::DisposedException();
}
if ( !m_xSeekable.is() )
{
::package::StaticAddLog( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX "No seekable!" ) ) );
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_bDisposed )
{
::package::StaticAddLog( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX "Disposed!" ) ) );
throw lang::DisposedException();
}
if ( !m_xSeekable.is() )
{
::package::StaticAddLog( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX "No seekable!" ) ) );
throw uno::RuntimeException();
}
return m_xSeekable->getLength();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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