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-rw-r--r--package/source/xstor/ohierarchyholder.cxx361
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diff --git a/package/source/xstor/ohierarchyholder.cxx b/package/source/xstor/ohierarchyholder.cxx
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--- a/package/source/xstor/ohierarchyholder.cxx
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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.
- *
- ************************************************************************/
-
-// MARKER(update_precomp.py): autogen include statement, do not remove
-#include "precompiled_package.hxx"
-#include <com/sun/star/uno/Reference.hxx>
-#include <com/sun/star/embed/ElementModes.hpp>
-#include <com/sun/star/embed/XHierarchicalStorageAccess2.hpp>
-#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
-
-#include "ohierarchyholder.hxx"
-
-using namespace ::com::sun::star;
-
-//===============================================
-// OHierarchyHolder_Impl
-//===============================================
-
-//-----------------------------------------------
-uno::Reference< embed::XExtendedStorageStream > OHierarchyHolder_Impl::GetStreamHierarchically( sal_Int32 nStorageMode, OStringList_Impl& aListPath, sal_Int32 nStreamMode, const ::comphelper::SequenceAsHashMap& aEncryptionData )
-{
- uno::Reference< embed::XStorage > xOwnStor( m_xWeakOwnStorage.get(), uno::UNO_QUERY_THROW );
-
- if ( !( nStorageMode & embed::ElementModes::WRITE ) && ( nStreamMode & embed::ElementModes::WRITE ) )
- throw io::IOException();
-
- uno::Reference< embed::XExtendedStorageStream > xResult =
- m_xChild->GetStreamHierarchically( nStorageMode, aListPath, nStreamMode, aEncryptionData );
- if ( !xResult.is() )
- throw uno::RuntimeException();
-
- return xResult;
-}
-
-//-----------------------------------------------
-void OHierarchyHolder_Impl::RemoveStreamHierarchically( OStringList_Impl& aListPath )
-{
- uno::Reference< embed::XStorage > xOwnStor( m_xWeakOwnStorage.get(), uno::UNO_QUERY_THROW );
-
- m_xChild->RemoveStreamHierarchically( aListPath );
-}
-
-//-----------------------------------------------
-// static
-OStringList_Impl OHierarchyHolder_Impl::GetListPathFromString( const ::rtl::OUString& aPath )
-{
- OStringList_Impl aResult;
- sal_Int32 nIndex = 0;
- do
- {
- ::rtl::OUString aName = aPath.getToken( 0, '/', nIndex );
- if ( !aName.getLength() )
- throw lang::IllegalArgumentException();
-
- aResult.push_back( aName );
- }
- while ( nIndex >= 0 );
-
- return aResult;
-}
-
-//===============================================
-// OHierarchyElement_Impl
-//===============================================
-
-//-----------------------------------------------
-uno::Reference< embed::XExtendedStorageStream > OHierarchyElement_Impl::GetStreamHierarchically( sal_Int32 nStorageMode, OStringList_Impl& aListPath, sal_Int32 nStreamMode, const ::comphelper::SequenceAsHashMap& aEncryptionData )
-{
- ::osl::MutexGuard aGuard( m_aMutex );
-
- if ( !( nStorageMode & embed::ElementModes::WRITE ) && ( nStreamMode & embed::ElementModes::WRITE ) )
- throw io::IOException();
-
- if ( !aListPath.size() )
- throw uno::RuntimeException();
-
- ::rtl::OUString aNextName = *(aListPath.begin());
- aListPath.erase( aListPath.begin() );
-
- uno::Reference< embed::XExtendedStorageStream > xResult;
-
- uno::Reference< embed::XStorage > xOwnStor = m_xOwnStorage.is() ? m_xOwnStorage
- : uno::Reference< embed::XStorage >( m_xWeakOwnStorage.get(), uno::UNO_QUERY );
- if ( !xOwnStor.is() )
- throw uno::RuntimeException();
-
- if ( !aListPath.size() )
- {
- if ( !aEncryptionData.size() )
- {
- uno::Reference< embed::XHierarchicalStorageAccess > xHStorage( xOwnStor, uno::UNO_QUERY_THROW );
- xResult = xHStorage->openStreamElementByHierarchicalName( aNextName, nStreamMode );
- }
- else
- {
- uno::Reference< embed::XHierarchicalStorageAccess2 > xHStorage( xOwnStor, uno::UNO_QUERY_THROW );
- xResult = xHStorage->openEncryptedStreamByHierarchicalName( aNextName, nStreamMode, aEncryptionData.getAsConstNamedValueList() );
- }
-
- uno::Reference< embed::XTransactedObject > xTransact( xResult, uno::UNO_QUERY );
- if ( xTransact.is() )
- {
- // the existance of the transacted object means that the stream is opened for writing also
- // so the whole chain must be commited
- uno::Reference< embed::XTransactionBroadcaster > xTrBroadcast( xTransact, uno::UNO_QUERY_THROW );
- xTrBroadcast->addTransactionListener( static_cast< embed::XTransactionListener* >( this ) );
- }
- else
- {
- uno::Reference< lang::XComponent > xStreamComp( xResult, uno::UNO_QUERY_THROW );
- xStreamComp->addEventListener( static_cast< lang::XEventListener* >( this ) );
- }
-
- m_aOpenStreams.push_back( uno::WeakReference< embed::XExtendedStorageStream >( xResult ) );
- }
- else
- {
- sal_Bool bNewElement = sal_False;
- ::rtl::Reference< OHierarchyElement_Impl > aElement;
- OHierarchyElementList_Impl::iterator aIter = m_aChildren.find( aNextName );
- if ( aIter != m_aChildren.end() )
- aElement = aIter->second;
-
- if ( !aElement.is() )
- {
- bNewElement = sal_True;
- uno::Reference< embed::XStorage > xChildStorage = xOwnStor->openStorageElement( aNextName, nStorageMode );
- if ( !xChildStorage.is() )
- throw uno::RuntimeException();
-
- aElement = new OHierarchyElement_Impl( NULL, xChildStorage );
- }
-
- xResult = aElement->GetStreamHierarchically( nStorageMode, aListPath, nStreamMode, aEncryptionData );
- if ( !xResult.is() )
- throw uno::RuntimeException();
-
- if ( bNewElement )
- {
- m_aChildren[aNextName] = aElement;
- aElement->SetParent( this );
- }
- }
-
- // the subelement was opened successfuly, remember the storage to let it be locked
- m_xOwnStorage = xOwnStor;
-
- return xResult;
-}
-
-//-----------------------------------------------
-void OHierarchyElement_Impl::RemoveStreamHierarchically( OStringList_Impl& aListPath )
-{
- ::osl::MutexGuard aGuard( m_aMutex );
-
- if ( !aListPath.size() )
- throw uno::RuntimeException();
-
- ::rtl::OUString aNextName = *(aListPath.begin());
- aListPath.erase( aListPath.begin() );
-
- uno::Reference< embed::XExtendedStorageStream > xResult;
-
- uno::Reference< embed::XStorage > xOwnStor = m_xOwnStorage.is() ? m_xOwnStorage
- : uno::Reference< embed::XStorage >( m_xWeakOwnStorage.get(), uno::UNO_QUERY );
- if ( !xOwnStor.is() )
- throw uno::RuntimeException();
-
- if ( !aListPath.size() )
- {
- xOwnStor->removeElement( aNextName );
- }
- else
- {
- ::rtl::Reference< OHierarchyElement_Impl > aElement;
- OHierarchyElementList_Impl::iterator aIter = m_aChildren.find( aNextName );
- if ( aIter != m_aChildren.end() )
- aElement = aIter->second;
-
- if ( !aElement.is() )
- {
- uno::Reference< embed::XStorage > xChildStorage = xOwnStor->openStorageElement( aNextName,
- embed::ElementModes::READWRITE );
- if ( !xChildStorage.is() )
- throw uno::RuntimeException();
-
- aElement = new OHierarchyElement_Impl( NULL, xChildStorage );
- }
-
- aElement->RemoveStreamHierarchically( aListPath );
- }
-
- uno::Reference< embed::XTransactedObject > xTransact( xOwnStor, uno::UNO_QUERY );
- if ( xTransact.is() )
- xTransact->commit();
-
- TestForClosing();
-}
-
-//-----------------------------------------------
-void OHierarchyElement_Impl::Commit()
-{
- ::rtl::Reference< OHierarchyElement_Impl > aLocker( this );
- ::rtl::Reference< OHierarchyElement_Impl > aParent;
- uno::Reference< embed::XStorage > xOwnStor;
-
- {
- ::osl::MutexGuard aGuard( m_aMutex );
- aParent = m_rParent;
- xOwnStor = m_xOwnStorage;
- }
-
- if ( xOwnStor.is() )
- {
- uno::Reference< embed::XTransactedObject > xTransact( xOwnStor, uno::UNO_QUERY_THROW );
- xTransact->commit();
- if ( aParent.is() )
- aParent->Commit();
- }
-}
-
-//-----------------------------------------------
-void OHierarchyElement_Impl::TestForClosing()
-{
- ::rtl::Reference< OHierarchyElement_Impl > aLocker( this );
- {
- ::osl::MutexGuard aGuard( m_aMutex );
-
- if ( !m_aOpenStreams.size() && !m_aChildren.size() )
- {
- if ( m_rParent.is() )
- {
- // only the root storage should not be disposed, other storages can be disposed
- if ( m_xOwnStorage.is() )
- {
- try
- {
- m_xOwnStorage->dispose();
- }
- catch( uno::Exception& )
- {}
- }
-
- m_rParent->RemoveElement( this );
- }
-
- m_xOwnStorage = uno::Reference< embed::XStorage >();
- }
- }
-}
-
-//-----------------------------------------------
-void SAL_CALL OHierarchyElement_Impl::disposing( const lang::EventObject& Source )
- throw ( uno::RuntimeException )
-{
- uno::Sequence< embed::XStorage > aStoragesToCommit;
-
- try
- {
- ::osl::ClearableMutexGuard aGuard( m_aMutex );
- uno::Reference< embed::XExtendedStorageStream > xStream( Source.Source, uno::UNO_QUERY );
-
- for ( OWeakStorRefList_Impl::iterator pStorageIter = m_aOpenStreams.begin();
- pStorageIter != m_aOpenStreams.end(); )
- {
- OWeakStorRefList_Impl::iterator pTmp = pStorageIter++;
- if ( !pTmp->get().is() || pTmp->get() == xStream )
- m_aOpenStreams.erase( pTmp );
- }
-
- aGuard.clear();
-
- TestForClosing();
- }
- catch( uno::Exception& )
- {
- throw uno::RuntimeException(); // no exception must happen here, usually an exception means disaster
- }
-}
-
-//-----------------------------------------------
-void OHierarchyElement_Impl::RemoveElement( const ::rtl::Reference< OHierarchyElement_Impl >& aRef )
-{
- {
- ::osl::MutexGuard aGuard( m_aMutex );
- for ( OHierarchyElementList_Impl::iterator aIter = m_aChildren.begin();
- aIter != m_aChildren.end(); /* increment is done in body */)
- {
- OHierarchyElementList_Impl::iterator aTmpIter = aIter;
- aIter++;
-
- if ( aTmpIter->second == aRef )
- m_aChildren.erase( aTmpIter );
- }
- }
-
- TestForClosing();
-}
-
-// XTransactionListener
-//-----------------------------------------------
-void SAL_CALL OHierarchyElement_Impl::preCommit( const ::com::sun::star::lang::EventObject& /*aEvent*/ )
- throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException)
-{
-}
-
-//-----------------------------------------------
-void SAL_CALL OHierarchyElement_Impl::commited( const ::com::sun::star::lang::EventObject& /*aEvent*/ )
- throw (::com::sun::star::uno::RuntimeException)
-{
- try
- {
- Commit();
- }
- catch( uno::Exception& e )
- {
- throw lang::WrappedTargetRuntimeException(
- ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Can not commit storage sequence!" ) ),
- uno::Reference< uno::XInterface >(),
- uno::makeAny( e ) );
- }
-}
-
-//-----------------------------------------------
-void SAL_CALL OHierarchyElement_Impl::preRevert( const ::com::sun::star::lang::EventObject& /*aEvent*/ )
- throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException)
-{
-}
-
-//-----------------------------------------------
-void SAL_CALL OHierarchyElement_Impl::reverted( const ::com::sun::star::lang::EventObject& /*aEvent*/ )
- throw (::com::sun::star::uno::RuntimeException)
-{
-}
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */