diff options
Diffstat (limited to 'ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx')
| -rw-r--r-- | ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx b/ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx new file mode 100644 index 000000000000..8cd53a4a6201 --- /dev/null +++ b/ucb/source/ucp/hierarchy/hierarchydatasupplier.cxx @@ -0,0 +1,446 @@ +/************************************************************************* + * + * 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_ucb.hxx" + +/************************************************************************** + TODO + ************************************************************************** + + *************************************************************************/ + +#include <vector> +#include <ucbhelper/contentidentifier.hxx> +#include "hierarchydatasupplier.hxx" +#include "hierarchyprovider.hxx" +#include "hierarchycontent.hxx" + +using namespace com::sun::star; +using namespace hierarchy_ucp; + +namespace hierarchy_ucp +{ + +//========================================================================= +// +// struct ResultListEntry. +// +//========================================================================= + +struct ResultListEntry +{ + rtl::OUString aId; + uno::Reference< ucb::XContentIdentifier > xId; + uno::Reference< ucb::XContent > xContent; + uno::Reference< sdbc::XRow > xRow; + HierarchyEntryData aData; + + ResultListEntry( const HierarchyEntryData& rEntry ) : aData( rEntry ) {} +}; + +//========================================================================= +// +// ResultList. +// +//========================================================================= + +typedef std::vector< ResultListEntry* > ResultList; + +//========================================================================= +// +// struct DataSupplier_Impl. +// +//========================================================================= + +struct DataSupplier_Impl +{ + osl::Mutex m_aMutex; + ResultList m_aResults; + rtl::Reference< HierarchyContent > m_xContent; + uno::Reference< lang::XMultiServiceFactory > m_xSMgr; + HierarchyEntry m_aFolder; + HierarchyEntry::iterator m_aIterator; + sal_Int32 m_nOpenMode; + sal_Bool m_bCountFinal; + + DataSupplier_Impl( + const uno::Reference< lang::XMultiServiceFactory >& rxSMgr, + const rtl::Reference< HierarchyContent >& rContent, + sal_Int32 nOpenMode ) + : m_xContent( rContent ), m_xSMgr( rxSMgr ), + m_aFolder( rxSMgr, + static_cast< HierarchyContentProvider * >( + rContent->getProvider().get() ), + rContent->getIdentifier()->getContentIdentifier() ), + m_nOpenMode( nOpenMode ), m_bCountFinal( sal_False ) {} + ~DataSupplier_Impl(); +}; + +//========================================================================= +DataSupplier_Impl::~DataSupplier_Impl() +{ + ResultList::const_iterator it = m_aResults.begin(); + ResultList::const_iterator end = m_aResults.end(); + + while ( it != end ) + { + delete (*it); + it++; + } +} + +} + +//========================================================================= +//========================================================================= +// +// HierarchyResultSetDataSupplier Implementation. +// +//========================================================================= +//========================================================================= + +HierarchyResultSetDataSupplier::HierarchyResultSetDataSupplier( + const uno::Reference< lang::XMultiServiceFactory >& rxSMgr, + const rtl::Reference< HierarchyContent >& rContent, + sal_Int32 nOpenMode ) +: m_pImpl( new DataSupplier_Impl( rxSMgr, rContent, nOpenMode ) ) +{ +} + +//========================================================================= +// virtual +HierarchyResultSetDataSupplier::~HierarchyResultSetDataSupplier() +{ + delete m_pImpl; +} + +//========================================================================= +// virtual +rtl::OUString HierarchyResultSetDataSupplier::queryContentIdentifierString( + sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + rtl::OUString aId = m_pImpl->m_aResults[ nIndex ]->aId; + if ( aId.getLength() ) + { + // Already cached. + return aId; + } + } + + if ( getResult( nIndex ) ) + { + rtl::OUString aId + = m_pImpl->m_xContent->getIdentifier()->getContentIdentifier(); + + if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() ) + aId += rtl::OUString::createFromAscii( "/" ); + + aId += m_pImpl->m_aResults[ nIndex ]->aData.getName(); + + m_pImpl->m_aResults[ nIndex ]->aId = aId; + return aId; + } + return rtl::OUString(); +} + +//========================================================================= +// virtual +uno::Reference< ucb::XContentIdentifier > +HierarchyResultSetDataSupplier::queryContentIdentifier( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + uno::Reference< ucb::XContentIdentifier > xId + = m_pImpl->m_aResults[ nIndex ]->xId; + if ( xId.is() ) + { + // Already cached. + return xId; + } + } + + rtl::OUString aId = queryContentIdentifierString( nIndex ); + if ( aId.getLength() ) + { + uno::Reference< ucb::XContentIdentifier > xId + = new ::ucbhelper::ContentIdentifier( aId ); + m_pImpl->m_aResults[ nIndex ]->xId = xId; + return xId; + } + return uno::Reference< ucb::XContentIdentifier >(); +} + +//========================================================================= +// virtual +uno::Reference< ucb::XContent > +HierarchyResultSetDataSupplier::queryContent( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + uno::Reference< ucb::XContent > xContent + = m_pImpl->m_aResults[ nIndex ]->xContent; + if ( xContent.is() ) + { + // Already cached. + return xContent; + } + } + + uno::Reference< ucb::XContentIdentifier > xId + = queryContentIdentifier( nIndex ); + if ( xId.is() ) + { + try + { + uno::Reference< ucb::XContent > xContent + = m_pImpl->m_xContent->getProvider()->queryContent( xId ); + m_pImpl->m_aResults[ nIndex ]->xContent = xContent; + return xContent; + + } + catch ( ucb::IllegalIdentifierException const & ) + { + } + } + return uno::Reference< ucb::XContent >(); +} + +//========================================================================= +// virtual +sal_Bool HierarchyResultSetDataSupplier::getResult( sal_uInt32 nIndex ) +{ + osl::ClearableGuard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( m_pImpl->m_aResults.size() > nIndex ) + { + // Result already present. + return sal_True; + } + + // Result not (yet) present. + + if ( m_pImpl->m_bCountFinal ) + return sal_False; + + // Try to obtain result... + + sal_uInt32 nOldCount = m_pImpl->m_aResults.size(); + sal_Bool bFound = sal_False; + sal_uInt32 nPos = nOldCount; + + while ( m_pImpl->m_aFolder.next( m_pImpl->m_aIterator ) ) + { + const HierarchyEntryData& rResult = *m_pImpl->m_aIterator; + if ( checkResult( rResult ) ) + { + m_pImpl->m_aResults.push_back( new ResultListEntry( rResult ) ); + + if ( nPos == nIndex ) + { + // Result obtained. + bFound = sal_True; + break; + } + } + nPos++; + } + + if ( !bFound ) + m_pImpl->m_bCountFinal = sal_True; + + rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet().get(); + if ( xResultSet.is() ) + { + // Callbacks follow! + aGuard.clear(); + + if ( nOldCount < m_pImpl->m_aResults.size() ) + xResultSet->rowCountChanged( + nOldCount, m_pImpl->m_aResults.size() ); + + if ( m_pImpl->m_bCountFinal ) + xResultSet->rowCountFinal(); + } + + return bFound; +} + +//========================================================================= +// virtual +sal_uInt32 HierarchyResultSetDataSupplier::totalCount() +{ + osl::ClearableGuard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( m_pImpl->m_bCountFinal ) + return m_pImpl->m_aResults.size(); + + sal_uInt32 nOldCount = m_pImpl->m_aResults.size(); + + while ( m_pImpl->m_aFolder.next( m_pImpl->m_aIterator ) ) + { + const HierarchyEntryData& rResult = *m_pImpl->m_aIterator; + if ( checkResult( rResult ) ) + m_pImpl->m_aResults.push_back( new ResultListEntry( rResult ) ); + } + + m_pImpl->m_bCountFinal = sal_True; + + rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet().get(); + if ( xResultSet.is() ) + { + // Callbacks follow! + aGuard.clear(); + + if ( nOldCount < m_pImpl->m_aResults.size() ) + xResultSet->rowCountChanged( + nOldCount, m_pImpl->m_aResults.size() ); + + xResultSet->rowCountFinal(); + } + + return m_pImpl->m_aResults.size(); +} + +//========================================================================= +// virtual +sal_uInt32 HierarchyResultSetDataSupplier::currentCount() +{ + return m_pImpl->m_aResults.size(); +} + +//========================================================================= +// virtual +sal_Bool HierarchyResultSetDataSupplier::isCountFinal() +{ + return m_pImpl->m_bCountFinal; +} + +//========================================================================= +// virtual +uno::Reference< sdbc::XRow > +HierarchyResultSetDataSupplier::queryPropertyValues( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + uno::Reference< sdbc::XRow > xRow + = m_pImpl->m_aResults[ nIndex ]->xRow; + if ( xRow.is() ) + { + // Already cached. + return xRow; + } + } + + if ( getResult( nIndex ) ) + { + static rtl::OUString aFolderType( + rtl::OUString::createFromAscii( HIERARCHY_FOLDER_CONTENT_TYPE ) ); + static rtl::OUString aLinkType( + rtl::OUString::createFromAscii( HIERARCHY_LINK_CONTENT_TYPE ) ); + + HierarchyContentProperties aData( + m_pImpl->m_aResults[ nIndex ]->aData ); + + uno::Reference< sdbc::XRow > xRow + = HierarchyContent::getPropertyValues( + m_pImpl->m_xSMgr, + getResultSet()->getProperties(), + aData, + static_cast< HierarchyContentProvider * >( + m_pImpl->m_xContent->getProvider().get() ), + queryContentIdentifierString( nIndex ) ); + m_pImpl->m_aResults[ nIndex ]->xRow = xRow; + return xRow; + } + + return uno::Reference< sdbc::XRow >(); +} + +//========================================================================= +// virtual +void HierarchyResultSetDataSupplier::releasePropertyValues( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + m_pImpl->m_aResults[ nIndex ]->xRow = uno::Reference< sdbc::XRow >(); +} + +//========================================================================= +// virtual +void HierarchyResultSetDataSupplier::close() +{ +} + +//========================================================================= +// virtual +void HierarchyResultSetDataSupplier::validate() + throw( ucb::ResultSetException ) +{ +} + +//========================================================================= +sal_Bool HierarchyResultSetDataSupplier::checkResult( + const HierarchyEntryData& rResult ) +{ + switch ( m_pImpl->m_nOpenMode ) + { + case ucb::OpenMode::FOLDERS: + if ( rResult.getType() == HierarchyEntryData::LINK ) + { + // Entry is a link. + return sal_False; + } + break; + + case ucb::OpenMode::DOCUMENTS: + if ( rResult.getType() == HierarchyEntryData::FOLDER ) + { + // Entry is a folder. + return sal_False; + } + break; + + case ucb::OpenMode::ALL: + default: + break; + } + + return sal_True; +} + |