238 lines
7.2 KiB
C++
238 lines
7.2 KiB
C++
/*************************************************************************
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*
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* $RCSfile: oseekinstream.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: hr $ $Date: 2004-02-03 17:58:27 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
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#include <com/sun/star/lang/DisposedException.hpp>
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#endif
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#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
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#include <cppuhelper/typeprovider.hxx>
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#endif
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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#endif
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#include "oseekinstream.hxx"
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#include "owriteablestream.hxx"
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using namespace ::com::sun::star;
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OInputSeekStream::OInputSeekStream( OWriteStream_Impl& pImpl,
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uno::Reference < io::XStream > xStream,
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const uno::Sequence< beans::PropertyValue >& aProps )
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: OInputCompStream( pImpl )
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{
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OSL_ENSURE( xStream.is(), "No stream is provided!\n" );
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if ( xStream.is() )
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{
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m_xStream = xStream->getInputStream();
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m_xSeekable = uno::Reference< io::XSeekable >( xStream, uno::UNO_QUERY );
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OSL_ENSURE( m_xStream.is(), "No input stream is provided!\n" );
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OSL_ENSURE( m_xSeekable.is(), "No seeking support!\n" );
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}
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m_aProperties = aProps;
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}
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OInputSeekStream::OInputSeekStream( OWriteStream_Impl& pImpl,
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uno::Reference < io::XInputStream > xStream,
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const uno::Sequence< beans::PropertyValue >& aProps )
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: OInputCompStream( pImpl, xStream, aProps )
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{
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if ( m_xStream.is() )
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{
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m_xSeekable = uno::Reference< io::XSeekable >( m_xStream, uno::UNO_QUERY );
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OSL_ENSURE( m_xSeekable.is(), "No seeking support!\n" );
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}
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}
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OInputSeekStream::OInputSeekStream( uno::Reference < io::XStream > xStream,
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const uno::Sequence< beans::PropertyValue >& aProps )
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: OInputCompStream()
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{
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OSL_ENSURE( xStream.is(), "No stream is provided!\n" );
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if ( xStream.is() )
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{
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m_xStream = xStream->getInputStream();
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m_xSeekable = uno::Reference< io::XSeekable >( xStream, uno::UNO_QUERY );
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OSL_ENSURE( m_xStream.is(), "No input stream is provided!\n" );
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OSL_ENSURE( m_xSeekable.is(), "No seeking support!\n" );
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}
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m_aProperties = aProps;
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}
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OInputSeekStream::OInputSeekStream( uno::Reference < io::XInputStream > xStream,
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const uno::Sequence< beans::PropertyValue >& aProps )
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: OInputCompStream( xStream, aProps )
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{
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if ( m_xStream.is() )
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{
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m_xSeekable = uno::Reference< io::XSeekable >( m_xStream, uno::UNO_QUERY );
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OSL_ENSURE( m_xSeekable.is(), "No seeking support!\n" );
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}
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}
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OInputSeekStream::~OInputSeekStream()
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{
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}
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uno::Sequence< uno::Type > SAL_CALL OInputSeekStream::getTypes()
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throw ( uno::RuntimeException )
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{
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static ::cppu::OTypeCollection* pTypeCollection = NULL ;
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if ( pTypeCollection == NULL )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ) ;
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if ( pTypeCollection == NULL )
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{
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static ::cppu::OTypeCollection aTypeCollection(
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::getCppuType(( const uno::Reference< io::XSeekable >* )NULL ),
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OInputCompStream::getTypes() );
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pTypeCollection = &aTypeCollection ;
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}
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}
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return pTypeCollection->getTypes() ;
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}
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uno::Any SAL_CALL OInputSeekStream::queryInterface( const uno::Type& rType )
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throw( uno::RuntimeException )
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{
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// Attention:
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// Don't use mutex or guard in this method!!! Is a method of XInterface.
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uno::Any aReturn( ::cppu::queryInterface( rType,
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static_cast< io::XSeekable* >( this ) ) );
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if ( aReturn.hasValue() == sal_True )
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{
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return aReturn ;
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}
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return OInputCompStream::queryInterface( rType ) ;
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}
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void SAL_CALL OInputSeekStream::acquire()
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throw()
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{
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OInputCompStream::acquire();
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}
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void SAL_CALL OInputSeekStream::release()
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throw()
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{
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OInputCompStream::release();
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}
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void SAL_CALL OInputSeekStream::seek( sal_Int64 location )
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throw ( lang::IllegalArgumentException,
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io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xSeekable.is() )
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throw uno::RuntimeException();
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m_xSeekable->seek( location );
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}
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sal_Int64 SAL_CALL OInputSeekStream::getPosition()
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throw ( io::IOException,
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uno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xSeekable.is() )
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throw uno::RuntimeException();
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return m_xSeekable->getPosition();
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}
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sal_Int64 SAL_CALL OInputSeekStream::getLength()
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throw ( io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xSeekable.is() )
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throw uno::RuntimeException();
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return m_xSeekable->getLength();
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}
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