| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_ucb.hxx" |
| |
| /************************************************************************** |
| TODO |
| ************************************************************************** |
| |
| *************************************************************************/ |
| |
| #include <vector> |
| |
| #include "osl/diagnose.h" |
| #include "ucbhelper/contentidentifier.hxx" |
| |
| #include "tdoc_datasupplier.hxx" |
| #include "tdoc_content.hxx" |
| |
| using namespace com::sun::star; |
| using namespace tdoc_ucp; |
| |
| namespace tdoc_ucp |
| { |
| |
| //========================================================================= |
| // |
| // struct ResultListEntry. |
| // |
| //========================================================================= |
| |
| struct ResultListEntry |
| { |
| rtl::OUString aURL; |
| uno::Reference< ucb::XContentIdentifier > xId; |
| uno::Reference< 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< 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< 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 > |
| ResultSetDataSupplier::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 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_uInt32 n = nOldCount; |
| n < sal::static_int_cast<sal_uInt32>( |
| 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< ::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 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_uInt32 n = nOldCount; |
| n < sal::static_int_cast<sal_uInt32>( |
| 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< ::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 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( ucb::ResultSetException ) |
| { |
| if ( m_pImpl->m_bThrowException ) |
| throw 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; |
| } |