/*
* 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.
*
*/
package org.apache.directory.studio.openldap.config.editor.wrappers;
import org.apache.directory.studio.openldap.config.OpenLdapConfigurationPluginUtils;
import org.apache.directory.studio.openldap.config.model.database.OlcDatabaseConfig;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
/**
* This class defines a sorter for a database wrapper viewer.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class DatabaseWrapperViewerSorter extends ViewerSorter
{
public int compare( Viewer viewer, Object e1, Object e2 )
{
if ( ( e1 instanceof DatabaseWrapper ) && ( e2 instanceof DatabaseWrapper ) )
{
OlcDatabaseConfig database1 = ( ( DatabaseWrapper ) e1 ).getDatabase();
OlcDatabaseConfig database2 = ( ( DatabaseWrapper ) e2 ).getDatabase();
boolean db1HasOrderingPrefix = OpenLdapConfigurationPluginUtils.hasOrderingPrefix( database1
.getOlcDatabase() );
boolean db2HasOrderingPrefix = OpenLdapConfigurationPluginUtils.hasOrderingPrefix( database2
.getOlcDatabase() );
if ( db1HasOrderingPrefix && db2HasOrderingPrefix )
{
int orderingPrefix1 = OpenLdapConfigurationPluginUtils.getOrderingPrefix( database1
.getOlcDatabase() );
int orderingPrefix2 = OpenLdapConfigurationPluginUtils.getOrderingPrefix( database2
.getOlcDatabase() );
if ( orderingPrefix1 > orderingPrefix2 )
{
return Integer.MAX_VALUE;
}
else if ( orderingPrefix1 < orderingPrefix2 )
{
return Integer.MIN_VALUE;
}
else
{
return 0;
}
}
else if ( db1HasOrderingPrefix )
{
return Integer.MIN_VALUE;
}
else if ( db2HasOrderingPrefix )
{
return Integer.MAX_VALUE;
}
else
{
return 1;
}
}
return super.compare( viewer, e1, e2 );
}
}