508 lines
16 KiB
C++
508 lines
16 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: zipfileaccess.cxx,v $
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*
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* $Revision: 1.8 $
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*
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* last change: $Author: kz $ $Date: 2006-10-06 10:49:17 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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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 2005 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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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_package.hxx"
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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 _COM_SUN_STAR_LANG_INVALIDARGUMENTEXCEPTION_HPP_
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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#endif
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#ifndef _COM_SUN_STAR_UCB_XCOMMANDENVIRONMENT_HPP_
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#include <com/sun/star/ucb/XCommandEnvironment.hpp>
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#endif
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#ifndef _COM_SUN_STAR_IO_XACTIVEDATASINK_HPP_
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#include <com/sun/star/io/XActiveDataSink.hpp>
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#endif
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#ifndef _COM_SUN_STAR_IO_XSTREAM_HPP_
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#include <com/sun/star/io/XStream.hpp>
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#endif
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#ifndef _COM_SUN_STAR_IO_XSEEKABLE_HPP_
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#include <com/sun/star/io/XSeekable.hpp>
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#endif
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#include <zipfileaccess.hxx>
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#include <ZipEnumeration.hxx>
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#include <ZipPackageSink.hxx>
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#include <EncryptionData.hxx>
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#include <ucbhelper/content.hxx>
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#include <memory>
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using namespace ::com::sun::star;
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// ----------------------------------------------------------------
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OZipFileAccess::OZipFileAccess( const uno::Reference< lang::XMultiServiceFactory >& xFactory )
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: m_xFactory( xFactory )
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, m_pZipFile( NULL )
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, m_pListenersContainer( NULL )
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, m_bDisposed( sal_False )
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{
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if ( !xFactory.is() )
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throw uno::RuntimeException();
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}
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// ----------------------------------------------------------------
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OZipFileAccess::~OZipFileAccess()
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{
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( !m_bDisposed )
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{
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try {
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m_refCount++; // dispose will use refcounting so the further distruction must be avoided
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dispose();
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} catch( uno::Exception& )
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{}
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}
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}
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}
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// ----------------------------------------------------------------
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uno::Sequence< ::rtl::OUString > OZipFileAccess::GetPatternsFromString_Impl( const ::rtl::OUString& aString )
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{
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if ( !aString.getLength() )
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return uno::Sequence< ::rtl::OUString >();
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uno::Sequence< ::rtl::OUString > aPattern( 1 );
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sal_Int32 nInd = 0;
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const sal_Unicode* pString = aString.getStr();
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while( *pString )
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{
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if ( *pString == (sal_Unicode)'\\' )
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{
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pString++;
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if ( *pString == (sal_Unicode)'\\' )
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{
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aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'\\' );
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pString++;
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}
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else if ( *pString == (sal_Unicode)'*' )
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{
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aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'*' );
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pString++;
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}
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else
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{
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OSL_ENSURE( sal_False, "The backslash is not guarded!\n" );
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aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'\\' );
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}
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}
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else if ( *pString == (sal_Unicode)'*' )
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{
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aPattern.realloc( ( ++nInd ) + 1 );
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pString++;
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}
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else
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{
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aPattern[nInd] += ::rtl::OUString::valueOf( *pString );
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pString++;
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}
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}
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return aPattern;
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}
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// ----------------------------------------------------------------
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sal_Bool OZipFileAccess::StringGoodForPattern_Impl( const ::rtl::OUString& aString,
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const uno::Sequence< ::rtl::OUString >& aPattern )
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{
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sal_Int32 nInd = aPattern.getLength() - 1;
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if ( !nInd )
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return sal_False;
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if ( nInd == 1 )
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{
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if ( !aPattern[0].getLength() )
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return sal_True;
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return aString.equals( aPattern[0] );
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}
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sal_Int32 nBeginInd = aPattern[0].getLength();
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sal_Int32 nEndInd = aString.getLength() - aPattern[nInd].getLength();
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if ( nEndInd >= nBeginInd
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&& ( nEndInd == aString.getLength() || aString.copy( nEndInd ).equals( aPattern[nInd] ) )
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&& ( nBeginInd == 0 || aString.copy( 0, nBeginInd ).equals( aPattern[0] ) ) )
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{
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for ( sal_Int32 nCurInd = aPattern.getLength() - 2; nCurInd > 0; nCurInd-- )
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{
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if ( !aPattern[nCurInd].getLength() )
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continue;
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if ( nEndInd == nBeginInd )
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return sal_False;
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// check that search does not use nEndInd position
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sal_Int32 nLastInd = aString.lastIndexOf( aPattern[nCurInd], nEndInd - 1 );
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if ( nLastInd == -1 )
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return sal_False;
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if ( nLastInd < nBeginInd )
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return sal_False;
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nEndInd = nLastInd;
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}
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return sal_True;
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}
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return sal_False;
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}
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// XInitialization
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// ----------------------------------------------------------------
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void SAL_CALL OZipFileAccess::initialize( const uno::Sequence< uno::Any >& aArguments )
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throw ( uno::Exception,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( m_pZipFile )
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throw uno::Exception(); // TODO: initialization is allowed only one time
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if ( !aArguments.getLength() )
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throw lang::IllegalArgumentException(); // TODO:
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OSL_ENSURE( aArguments.getLength() == 1, "Too meny arguments are provided, only the first one will be used!\n" );
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::rtl::OUString aParamURL;
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uno::Reference< io::XStream > xStream;
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uno::Reference< io::XSeekable > xSeekable;
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if ( ( aArguments[0] >>= aParamURL ) )
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{
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::ucb::Content aContent ( aParamURL, uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >() );
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uno::Reference < io::XActiveDataSink > xSink = new ZipPackageSink;
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if ( aContent.openStream ( xSink ) )
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{
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m_xContentStream = xSink->getInputStream();
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xSeekable = uno::Reference< io::XSeekable >( m_xContentStream, uno::UNO_QUERY );
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}
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}
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else if ( (aArguments[0] >>= xStream ) )
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{
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// a writable stream can implement both XStream & XInputStream
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m_xContentStream = xStream->getInputStream();
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xSeekable = uno::Reference< io::XSeekable >( xStream, uno::UNO_QUERY );
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}
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else if ( !( aArguments[0] >>= m_xContentStream ) )
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{
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xSeekable = uno::Reference< io::XSeekable >( m_xContentStream, uno::UNO_QUERY );
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}
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else
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throw lang::IllegalArgumentException(); // TODO:
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if ( !m_xContentStream.is() )
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throw io::IOException(); // TODO:
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if ( !xSeekable.is() )
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{
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// TODO: after fwkbugfix02 is integrated a helper class can be used to make the stream seekable
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throw io::IOException();
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}
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// TODO: in case xSeekable is implemented on separated XStream implementation a wrapper is required
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m_pZipFile = new ZipFile(
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m_xContentStream,
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m_xFactory,
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sal_True );
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}
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// XNameAccess
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// ----------------------------------------------------------------
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uno::Any SAL_CALL OZipFileAccess::getByName( const ::rtl::OUString& aName )
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throw ( container::NoSuchElementException,
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lang::WrappedTargetException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_pZipFile )
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throw io::NotConnectedException();
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EntryHash::iterator aIter = m_pZipFile->GetEntryHash().find( aName );
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if ( aIter == m_pZipFile->GetEntryHash().end() )
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throw container::NoSuchElementException();
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uno::Reference< io::XInputStream > xEntryStream( m_pZipFile->getDataStream( (*aIter).second,
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new EncryptionData(),
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sal_False ) );
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if ( !xEntryStream.is() )
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throw uno::RuntimeException(); // TODO:
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return uno::makeAny ( xEntryStream );
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}
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// ----------------------------------------------------------------
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uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::getElementNames()
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throw ( uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_pZipFile )
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throw io::NotConnectedException();
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uno::Sequence< ::rtl::OUString > aNames( m_pZipFile->GetEntryHash().size() );
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sal_Int32 nLen = 0;
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for ( EntryHash::iterator aIter = m_pZipFile->GetEntryHash().begin(); aIter != m_pZipFile->GetEntryHash().end(); aIter++ )
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{
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if ( aNames.getLength() < ++nLen )
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{
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OSL_ENSURE( sal_False, "The size must be the same!\n" );
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aNames.realloc( nLen );
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}
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aNames[nLen-1] = (*aIter).second.sName;
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}
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if ( aNames.getLength() != nLen )
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{
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OSL_ENSURE( sal_False, "The size must be the same!\n" );
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aNames.realloc( nLen );
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}
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return aNames;
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}
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// ----------------------------------------------------------------
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sal_Bool SAL_CALL OZipFileAccess::hasByName( const ::rtl::OUString& aName )
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throw (uno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_pZipFile )
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throw io::NotConnectedException();
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EntryHash::iterator aIter = m_pZipFile->GetEntryHash().find( aName );
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return ( aIter != m_pZipFile->GetEntryHash().end() );
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}
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// ----------------------------------------------------------------
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uno::Type SAL_CALL OZipFileAccess::getElementType()
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throw ( uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_pZipFile )
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throw io::NotConnectedException();
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return getCppuType( ( const uno::Reference< io::XInputStream >* )NULL );
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}
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// ----------------------------------------------------------------
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sal_Bool SAL_CALL OZipFileAccess::hasElements()
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throw ( uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_pZipFile )
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throw io::NotConnectedException();
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return ( m_pZipFile->GetEntryHash().size() != 0 );
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}
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// XZipFileAccess
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// ----------------------------------------------------------------
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uno::Reference< io::XInputStream > SAL_CALL OZipFileAccess::getStreamByPattern( const ::rtl::OUString& aPatternString )
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throw ( container::NoSuchElementException,
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io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_pZipFile )
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throw io::NotConnectedException();
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// Code to compare strings by patterns
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uno::Sequence< ::rtl::OUString > aPattern = GetPatternsFromString_Impl( aPatternString );
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for ( EntryHash::iterator aIter = m_pZipFile->GetEntryHash().begin(); aIter != m_pZipFile->GetEntryHash().end(); aIter++ )
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{
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if ( StringGoodForPattern_Impl( (*aIter).second.sName, aPattern ) )
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{
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uno::Reference< io::XInputStream > xEntryStream( m_pZipFile->getDataStream( (*aIter).second,
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new EncryptionData(),
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sal_False ) );
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if ( !xEntryStream.is() )
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throw uno::RuntimeException();
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return xEntryStream;
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}
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}
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throw container::NoSuchElementException();
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}
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// XComponent
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// ----------------------------------------------------------------
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void SAL_CALL OZipFileAccess::dispose()
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throw ( uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( m_pListenersContainer )
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{
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lang::EventObject aSource( static_cast< ::cppu::OWeakObject* >(this) );
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m_pListenersContainer->disposeAndClear( aSource );
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delete m_pListenersContainer;
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m_pListenersContainer = NULL;
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}
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if ( m_pZipFile )
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{
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delete m_pZipFile;
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m_pZipFile = NULL;
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}
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if ( m_xContentStream.is() )
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try {
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m_xContentStream->closeInput();
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} catch( uno::Exception& )
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{}
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m_bDisposed = sal_True;
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}
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// ----------------------------------------------------------------
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void SAL_CALL OZipFileAccess::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
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throw ( uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_pListenersContainer )
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m_pListenersContainer = new ::cppu::OInterfaceContainerHelper( m_aMutex );
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m_pListenersContainer->addInterface( xListener );
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}
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// ----------------------------------------------------------------
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void SAL_CALL OZipFileAccess::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
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throw ( uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_pListenersContainer )
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m_pListenersContainer->removeInterface( xListener );
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}
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//-------------------------------------------------------------------------
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uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::impl_staticGetSupportedServiceNames()
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{
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uno::Sequence< ::rtl::OUString > aRet(2);
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aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.packages.zip.ZipFileAccess");
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aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.packages.zip.ZipFileAccess");
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return aRet;
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}
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//-------------------------------------------------------------------------
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::rtl::OUString SAL_CALL OZipFileAccess::impl_staticGetImplementationName()
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{
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return ::rtl::OUString::createFromAscii("com.sun.star.comp.package.zip.ZipFileAccess");
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}
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//-------------------------------------------------------------------------
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uno::Reference< uno::XInterface > SAL_CALL OZipFileAccess::impl_staticCreateSelfInstance(
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const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
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{
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return uno::Reference< uno::XInterface >( *new OZipFileAccess( xServiceManager ) );
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}
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//-------------------------------------------------------------------------
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::rtl::OUString SAL_CALL OZipFileAccess::getImplementationName()
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throw ( uno::RuntimeException )
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{
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return impl_staticGetImplementationName();
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}
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//-------------------------------------------------------------------------
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sal_Bool SAL_CALL OZipFileAccess::supportsService( const ::rtl::OUString& ServiceName )
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throw ( uno::RuntimeException )
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{
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uno::Sequence< ::rtl::OUString > aSeq = impl_staticGetSupportedServiceNames();
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for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
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if ( ServiceName.compareTo( aSeq[nInd] ) == 0 )
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return sal_True;
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return sal_False;
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}
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//-------------------------------------------------------------------------
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uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::getSupportedServiceNames()
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throw ( uno::RuntimeException )
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{
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return impl_staticGetSupportedServiceNames();
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}
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