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Diffstat (limited to 'package')
| -rw-r--r-- | package/source/zippackage/wrapstreamforshare.cxx | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/package/source/zippackage/wrapstreamforshare.cxx b/package/source/zippackage/wrapstreamforshare.cxx new file mode 100644 index 000000000000..e7ea0bb670ae --- /dev/null +++ b/package/source/zippackage/wrapstreamforshare.cxx @@ -0,0 +1,213 @@ +/************************************************************************* + * + * $RCSfile: wrapstreamforshare.cxx,v $ + * + * $Revision: 1.2 $ + * + * last change: $Author: hr $ $Date: 2004-02-03 18:02:34 $ + * + * 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 _OSL_DIAGNOSE_H_ +#include <osl/diagnose.h> +#endif + +#include "wrapstreamforshare.hxx" + +using namespace ::com::sun::star; + + +WrapStreamForShare::WrapStreamForShare( const uno::Reference< io::XInputStream >& xInStream, + const SotMutexHolderRef& rMutexRef ) +: m_xInStream( xInStream ) +, m_rMutexRef( rMutexRef ) +, m_nCurPos( 0 ) +{ + m_xSeekable = uno::Reference< io::XSeekable >( m_xInStream, uno::UNO_QUERY ); + if ( !m_rMutexRef.Is() || !m_xInStream.is() || !m_xSeekable.is() ) + { + OSL_ENSURE( sal_False, "Wrong initialization of wrapping stream!\n" ); + throw uno::RuntimeException(); + } +} + +WrapStreamForShare::~WrapStreamForShare() +{ +} + +// XInputStream +sal_Int32 SAL_CALL WrapStreamForShare::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) + throw ( io::NotConnectedException, + io::BufferSizeExceededException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException(); // TODO + + m_xSeekable->seek( m_nCurPos ); + + sal_Int32 nRead = m_xInStream->readBytes( aData, nBytesToRead ); + m_nCurPos += nRead; + + return nRead; +} + +sal_Int32 SAL_CALL WrapStreamForShare::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) + throw ( io::NotConnectedException, + io::BufferSizeExceededException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException(); // TODO + + m_xSeekable->seek( m_nCurPos ); + + sal_Int32 nRead = m_xInStream->readSomeBytes( aData, nMaxBytesToRead ); + m_nCurPos += nRead; + + return nRead; +} + +void SAL_CALL WrapStreamForShare::skipBytes( sal_Int32 nBytesToSkip ) + throw ( io::NotConnectedException, + io::BufferSizeExceededException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException(); // TODO + + m_xSeekable->seek( m_nCurPos ); + + m_xInStream->skipBytes( nBytesToSkip ); + m_nCurPos = m_xSeekable->getPosition(); +} + +sal_Int32 SAL_CALL WrapStreamForShare::available() + throw ( io::NotConnectedException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException(); // TODO + + return m_xInStream->available(); +} + +void SAL_CALL WrapStreamForShare::closeInput() + throw ( io::NotConnectedException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException(); // TODO + + m_xInStream->closeInput(); + m_xInStream = uno::Reference< io::XInputStream >(); + m_xSeekable = uno::Reference< io::XSeekable >(); +} + +// XSeekable +void SAL_CALL WrapStreamForShare::seek( sal_Int64 location ) + throw ( lang::IllegalArgumentException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException(); // TODO + + // let stream implementation do all the checking + m_xSeekable->seek( location ); + + m_nCurPos = m_xSeekable->getPosition(); +} + +sal_Int64 SAL_CALL WrapStreamForShare::getPosition() + throw ( io::IOException, + uno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException(); // TODO + + return m_nCurPos; +} + +sal_Int64 SAL_CALL WrapStreamForShare::getLength() + throw ( io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ); + + if ( !m_xInStream.is() ) + throw io::IOException(); // TODO + + return m_xSeekable->getLength(); +} + |