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+/*************************************************************************
+ *
+ * $RCSfile: hierarchydatasupplier.cxx,v $
+ *
+ * $Revision: 1.1 $
+ *
+ * last change: $Author: kso $ $Date: 2000-10-16 14:54:18 $
+ *
+ * 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): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+/**************************************************************************
+ TODO
+ **************************************************************************
+
+ *************************************************************************/
+
+#ifndef __VECTOR__
+#include <stl/vector>
+#endif
+#ifndef _UCBHELPER_CONTENTIDENTIFIER_HXX
+#include <ucbhelper/contentidentifier.hxx>
+#endif
+#ifndef _HIERARCHYDATASUPPLIER_HXX
+#include "hierarchydatasupplier.hxx"
+#endif
+#ifndef _HIERARCHYPROVIDER_HXX
+#include "hierarchyprovider.hxx"
+#endif
+#ifndef _HIERARCHYCONTENT_HXX
+#include "hierarchycontent.hxx"
+#endif
+
+using namespace com::sun::star::beans;
+using namespace com::sun::star::lang;
+using namespace com::sun::star::ucb;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::sdbc;
+using namespace rtl;
+using namespace ucb;
+
+using namespace hierarchy_ucp;
+
+namespace hierarchy_ucp
+{
+
+//=========================================================================
+//
+// struct ResultListEntry.
+//
+//=========================================================================
+
+struct ResultListEntry
+{
+ OUString aId;
+ Reference< XContentIdentifier > xId;
+ Reference< XContent > xContent;
+ Reference< XRow > xRow;
+ HierarchyEntryData rData;
+
+ ResultListEntry( const HierarchyEntryData& rEntry ) : rData( rEntry ) {}
+};
+
+//=========================================================================
+//
+// ResultList.
+//
+//=========================================================================
+
+typedef std::vector< ResultListEntry* > ResultList;
+
+//=========================================================================
+//
+// struct DataSupplier_Impl.
+//
+//=========================================================================
+
+struct DataSupplier_Impl
+{
+ osl::Mutex m_aMutex;
+ ResultList m_aResults;
+ vos::ORef< HierarchyContent > m_xContent;
+ Reference< XMultiServiceFactory > m_xSMgr;
+ HierarchyEntry m_aFolder;
+ HierarchyEntry::iterator m_aIterator;
+ sal_Int32 m_nOpenMode;
+ sal_Bool m_bCountFinal;
+
+ DataSupplier_Impl( const Reference< XMultiServiceFactory >& rxSMgr,
+ const vos::ORef< HierarchyContent >& rContent,
+ sal_Int32 nOpenMode )
+ : m_xContent( rContent ), m_xSMgr( rxSMgr ),
+ m_aFolder( rxSMgr, 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 Reference< XMultiServiceFactory >& rxSMgr,
+ const vos::ORef< HierarchyContent >& rContent,
+ sal_Int32 nOpenMode )
+: m_pImpl( new DataSupplier_Impl( rxSMgr, rContent, nOpenMode ) )
+{
+}
+
+//=========================================================================
+// virtual
+HierarchyResultSetDataSupplier::~HierarchyResultSetDataSupplier()
+{
+ delete m_pImpl;
+}
+
+//=========================================================================
+// virtual
+OUString HierarchyResultSetDataSupplier::queryContentIdentifierString(
+ sal_uInt32 nIndex )
+{
+ osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
+
+ if ( nIndex < m_pImpl->m_aResults.size() )
+ {
+ OUString aId = m_pImpl->m_aResults[ nIndex ]->aId;
+ if ( aId.getLength() )
+ {
+ // Already cached.
+ return aId;
+ }
+ }
+
+ if ( getResult( nIndex ) )
+ {
+ OUString aId
+ = m_pImpl->m_xContent->getIdentifier()->getContentIdentifier();
+
+ if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() )
+ aId += OUString::createFromAscii( "/" );
+
+ aId += HierarchyContentProvider::encodeSegment(
+ m_pImpl->m_aResults[ nIndex ]->rData.aTitle );
+
+ m_pImpl->m_aResults[ nIndex ]->aId = aId;
+ return aId;
+ }
+ return OUString();
+}
+
+//=========================================================================
+// virtual
+Reference< XContentIdentifier >
+HierarchyResultSetDataSupplier::queryContentIdentifier( sal_uInt32 nIndex )
+{
+ osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
+
+ if ( nIndex < m_pImpl->m_aResults.size() )
+ {
+ Reference< XContentIdentifier > xId
+ = m_pImpl->m_aResults[ nIndex ]->xId;
+ if ( xId.is() )
+ {
+ // Already cached.
+ return xId;
+ }
+ }
+
+ OUString aId = queryContentIdentifierString( nIndex );
+ if ( aId.getLength() )
+ {
+ Reference< XContentIdentifier > xId = new ContentIdentifier( aId );
+ m_pImpl->m_aResults[ nIndex ]->xId = xId;
+ return xId;
+ }
+ return Reference< XContentIdentifier >();
+}
+
+//=========================================================================
+// virtual
+Reference< XContent > HierarchyResultSetDataSupplier::queryContent(
+ sal_uInt32 nIndex )
+{
+ osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
+
+ if ( nIndex < m_pImpl->m_aResults.size() )
+ {
+ Reference< XContent > xContent
+ = m_pImpl->m_aResults[ nIndex ]->xContent;
+ if ( xContent.is() )
+ {
+ // Already cached.
+ return xContent;
+ }
+ }
+
+ Reference< XContentIdentifier > xId = queryContentIdentifier( nIndex );
+ if ( xId.is() )
+ {
+ try
+ {
+ Reference< XContent > xContent
+ = m_pImpl->m_xContent->getProvider()->queryContent( xId );
+ m_pImpl->m_aResults[ nIndex ]->xContent = xContent;
+ return xContent;
+
+ }
+ catch ( IllegalIdentifierException& )
+ {
+ }
+ }
+ return Reference< 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;
+
+ vos::ORef< ResultSet > xResultSet = getResultSet();
+ if ( xResultSet.isValid() )
+ {
+ // 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;
+
+ vos::ORef< ResultSet > xResultSet = getResultSet();
+ if ( xResultSet.isValid() )
+ {
+ // 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
+Reference< XRow > HierarchyResultSetDataSupplier::queryPropertyValues(
+ sal_uInt32 nIndex )
+{
+ osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
+
+ if ( nIndex < m_pImpl->m_aResults.size() )
+ {
+ Reference< XRow > xRow = m_pImpl->m_aResults[ nIndex ]->xRow;
+ if ( xRow.is() )
+ {
+ // Already cached.
+ return xRow;
+ }
+ }
+
+ if ( getResult( nIndex ) )
+ {
+ HierarchyContentProperties aData;
+
+ aData.aTitle = m_pImpl->m_aResults[ nIndex ]->rData.aTitle;
+ aData.aTargetURL = m_pImpl->m_aResults[ nIndex ]->rData.aTargetURL;
+ aData.bIsDocument = ( aData.aTargetURL.getLength() > 0 );
+ aData.bIsFolder = !aData.bIsDocument;
+ aData.aContentType = aData.bIsFolder
+ ? OUString::createFromAscii(
+ HIERARCHY_FOLDER_CONTENT_TYPE )
+ : OUString::createFromAscii(
+ HIERARCHY_LINK_CONTENT_TYPE );
+
+ Reference< XRow > xRow = HierarchyContent::getPropertyValues(
+ m_pImpl->m_xSMgr,
+ getResultSet()->getProperties(),
+ aData,
+ m_pImpl->m_xContent->getProvider(),
+ queryContentIdentifierString( nIndex ) );
+ m_pImpl->m_aResults[ nIndex ]->xRow = xRow;
+ return xRow;
+ }
+
+ return Reference< 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 = Reference< XRow >();
+}
+
+//=========================================================================
+// virtual
+void HierarchyResultSetDataSupplier::close()
+{
+}
+
+//=========================================================================
+// virtual
+void HierarchyResultSetDataSupplier::validate()
+ throw( ResultSetException )
+{
+}
+
+//=========================================================================
+sal_Bool HierarchyResultSetDataSupplier::checkResult(
+ const HierarchyEntryData& rResult )
+{
+ switch ( m_pImpl->m_nOpenMode )
+ {
+ case OpenMode::FOLDERS:
+ if ( rResult.aTargetURL.getLength() > 0 )
+ {
+ // Entry is a link.
+ return sal_False;
+ }
+ break;
+
+ case OpenMode::DOCUMENTS:
+ if ( rResult.aTargetURL.getLength() == 0 )
+ {
+ // Entry is a folder.
+ return sal_False;
+ }
+ break;
+
+ case OpenMode::ALL:
+ default:
+ break;
+ }
+
+ return sal_True;
+}
+
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