diff options
author | Jens-Heiner Rechtien <hr@openoffice.org> | 2004-04-14 12:41:16 +0000 |
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committer | Jens-Heiner Rechtien <hr@openoffice.org> | 2004-04-14 12:41:16 +0000 |
commit | 493988f5ed18f59564b7749d53d2f67f3e46ba1d (patch) | |
tree | 98310983b1f2fd19955a8393892d5cefcdf36ee1 /ucb/source/ucp/tdoc/tdoc_datasupplier.cxx | |
parent | 9dab45029a75f0a0c582ba511668868ec4e04677 (diff) |
INTEGRATION: CWS unopkg1 (1.1.2); FILE ADDED
2004/01/20 15:15:33 kso 1.1.2.1: #112920# TDOC UCP: Initial revision.
Diffstat (limited to 'ucb/source/ucp/tdoc/tdoc_datasupplier.cxx')
-rw-r--r-- | ucb/source/ucp/tdoc/tdoc_datasupplier.cxx | 499 |
1 files changed, 499 insertions, 0 deletions
diff --git a/ucb/source/ucp/tdoc/tdoc_datasupplier.cxx b/ucb/source/ucp/tdoc/tdoc_datasupplier.cxx new file mode 100644 index 000000000000..016cdc24467c --- /dev/null +++ b/ucb/source/ucp/tdoc/tdoc_datasupplier.cxx @@ -0,0 +1,499 @@ +/************************************************************************* + * + * $RCSfile: tdoc_datasupplier.cxx,v $ + * + * $Revision: 1.2 $ + * + * last change: $Author: hr $ $Date: 2004-04-14 13:41:16 $ + * + * 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): Kai Sommerfeld ( kso@sun.com ) + * + * + ************************************************************************/ + +/************************************************************************** + TODO + ************************************************************************** + + *************************************************************************/ + +#include <vector> + +#include "osl/diagnose.h" +#include "ucbhelper/contentidentifier.hxx" + +#include "tdoc_datasupplier.hxx" +#include "tdoc_content.hxx" + +using namespace com::sun; +using namespace com::sun::star; + +using namespace tdoc_ucp; + +namespace tdoc_ucp +{ + +//========================================================================= +// +// struct ResultListEntry. +// +//========================================================================= + +struct ResultListEntry +{ + rtl::OUString aURL; + uno::Reference< star::ucb::XContentIdentifier > xId; + uno::Reference< star::ucb::XContent > xContent; + uno::Reference< sdbc::XRow > xRow; + + ResultListEntry( const rtl::OUString& rURL ) : aURL( rURL ) {} +}; + +//========================================================================= +// +// ResultList. +// +//========================================================================= + +typedef std::vector< ResultListEntry* > ResultList; + +//========================================================================= +// +// struct DataSupplier_Impl. +// +//========================================================================= + +struct DataSupplier_Impl +{ + osl::Mutex m_aMutex; + ResultList m_aResults; + rtl::Reference< Content > m_xContent; + uno::Reference< lang::XMultiServiceFactory > m_xSMgr; + uno::Sequence< rtl::OUString > * m_pNamesOfChildren; + sal_Int32 m_nOpenMode; + bool m_bCountFinal; + bool m_bThrowException; + + DataSupplier_Impl( + const uno::Reference< lang::XMultiServiceFactory >& rxSMgr, + const rtl::Reference< Content >& rContent, + sal_Int32 nOpenMode ) + : m_xContent( rContent ), m_xSMgr( rxSMgr ), + m_pNamesOfChildren( 0 ), m_nOpenMode( nOpenMode ), + m_bCountFinal( false ), m_bThrowException( 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++; + } + + delete m_pNamesOfChildren; +} + +} + +//========================================================================= +//========================================================================= +// +// DataSupplier Implementation. +// +//========================================================================= +//========================================================================= + +ResultSetDataSupplier::ResultSetDataSupplier( + const uno::Reference< lang::XMultiServiceFactory >& rxSMgr, + const rtl::Reference< Content >& rContent, + sal_Int32 nOpenMode ) +: m_pImpl( new DataSupplier_Impl( rxSMgr, rContent, nOpenMode ) ) +{ +} + +//========================================================================= +// virtual +ResultSetDataSupplier::~ResultSetDataSupplier() +{ + delete m_pImpl; +} + +//========================================================================= +// virtual +rtl::OUString +ResultSetDataSupplier::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 ]->aURL; + if ( aId.getLength() ) + { + // Already cached. + return aId; + } + } + + if ( getResult( nIndex ) ) + { + // Note: getResult fills m_pImpl->m_aResults[ nIndex ]->aURL. + return m_pImpl->m_aResults[ nIndex ]->aURL; + } + return rtl::OUString(); +} + +//========================================================================= +// virtual +uno::Reference< star::ucb::XContentIdentifier > +ResultSetDataSupplier::queryContentIdentifier( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + uno::Reference< star::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< star::ucb::XContentIdentifier > xId + = new ::ucb::ContentIdentifier( aId ); + m_pImpl->m_aResults[ nIndex ]->xId = xId; + return xId; + } + return uno::Reference< star::ucb::XContentIdentifier >(); +} + +//========================================================================= +// virtual +uno::Reference< star::ucb::XContent > +ResultSetDataSupplier::queryContent( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + uno::Reference< star::ucb::XContent > xContent + = m_pImpl->m_aResults[ nIndex ]->xContent; + if ( xContent.is() ) + { + // Already cached. + return xContent; + } + } + + uno::Reference< star::ucb::XContentIdentifier > xId + = queryContentIdentifier( nIndex ); + if ( xId.is() ) + { + try + { + uno::Reference< star::ucb::XContent > xContent + = m_pImpl->m_xContent->getProvider()->queryContent( xId ); + m_pImpl->m_aResults[ nIndex ]->xContent = xContent; + return xContent; + + } + catch ( star::ucb::IllegalIdentifierException const & ) + { + } + } + return uno::Reference< star::ucb::XContent >(); +} + +//========================================================================= +// virtual +sal_Bool ResultSetDataSupplier::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(); + bool bFound = false; + + if ( queryNamesOfChildren() ) + { + for ( sal_Int32 n = nOldCount; + n < m_pImpl->m_pNamesOfChildren->getLength(); + ++n ) + { + const rtl::OUString & rName + = m_pImpl->m_pNamesOfChildren->getConstArray()[ n ]; + + if ( !rName.getLength() ) + { + OSL_ENSURE( sal_False, + "ResultDataSupplier::getResult - Empty name!" ); + break; + } + + // Assemble URL for child. + rtl::OUString aURL = assembleChildURL( rName ); + + m_pImpl->m_aResults.push_back( new ResultListEntry( aURL ) ); + + if ( n == nIndex ) + { + // Result obtained. + bFound = true; + break; + } + } + } + + if ( !bFound ) + m_pImpl->m_bCountFinal = sal_True; + + rtl::Reference< ::ucb::ResultSet > xResultSet = getResultSet().getBodyPtr(); + 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 ResultSetDataSupplier::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(); + + if ( queryNamesOfChildren() ) + { + for ( sal_Int32 n = nOldCount; + n < m_pImpl->m_pNamesOfChildren->getLength(); + ++n ) + { + const rtl::OUString & rName + = m_pImpl->m_pNamesOfChildren->getConstArray()[ n ]; + + if ( !rName.getLength() ) + { + OSL_ENSURE( sal_False, + "ResultDataSupplier::getResult - Empty name!" ); + break; + } + + // Assemble URL for child. + rtl::OUString aURL = assembleChildURL( rName ); + + m_pImpl->m_aResults.push_back( new ResultListEntry( aURL ) ); + } + } + + m_pImpl->m_bCountFinal = sal_True; + + rtl::Reference< ::ucb::ResultSet > xResultSet = getResultSet().getBodyPtr(); + 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 ResultSetDataSupplier::currentCount() +{ + return m_pImpl->m_aResults.size(); +} + +//========================================================================= +// virtual +sal_Bool ResultSetDataSupplier::isCountFinal() +{ + return m_pImpl->m_bCountFinal; +} + +//========================================================================= +// virtual +uno::Reference< sdbc::XRow > +ResultSetDataSupplier::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 ) ) + { + uno::Reference< sdbc::XRow > xRow = Content::getPropertyValues( + m_pImpl->m_xSMgr, + getResultSet()->getProperties(), + m_pImpl->m_xContent->getContentProvider().get(), + queryContentIdentifierString( nIndex ) ); + m_pImpl->m_aResults[ nIndex ]->xRow = xRow; + return xRow; + } + + return uno::Reference< sdbc::XRow >(); +} + +//========================================================================= +// virtual +void ResultSetDataSupplier::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 ResultSetDataSupplier::close() +{ +} + +//========================================================================= +// virtual +void ResultSetDataSupplier::validate() + throw( star::ucb::ResultSetException ) +{ + if ( m_pImpl->m_bThrowException ) + throw star::ucb::ResultSetException(); +} + +//========================================================================= +bool ResultSetDataSupplier::queryNamesOfChildren() +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( m_pImpl->m_pNamesOfChildren == 0 ) + { + uno::Sequence< rtl::OUString > * pNamesOfChildren + = new uno::Sequence< rtl::OUString >(); + + if ( !m_pImpl->m_xContent->getContentProvider()->queryNamesOfChildren( + m_pImpl->m_xContent->getIdentifier()->getContentIdentifier(), + *pNamesOfChildren ) ) + { + OSL_ENSURE( false, "Got no list of children!" ); + m_pImpl->m_bThrowException = sal_True; + return false; + } + else + { + m_pImpl->m_pNamesOfChildren = pNamesOfChildren; + } + } + return true; +} + +//========================================================================= +::rtl::OUString +ResultSetDataSupplier::assembleChildURL( const ::rtl::OUString& aName ) +{ + rtl::OUString aContURL + = m_pImpl->m_xContent->getIdentifier()->getContentIdentifier(); + rtl::OUString aURL( aContURL ); + + sal_Int32 nUrlEnd = aURL.lastIndexOf( '/' ); + if ( nUrlEnd != aURL.getLength() - 1 ) + aURL += rtl::OUString::createFromAscii( "/" ); + + aURL += aName; + return aURL; +} |