/*
* 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.schemaeditor.view.widget;
import java.util.Comparator;
import org.apache.directory.studio.schemaeditor.model.Schema;
import org.apache.directory.studio.schemaeditor.model.difference.SchemaDifference;
/**
* This class is used to compare and sort ascending two Schemas
*/
public class SchemaDifferenceSorter implements Comparator<Object>
{
/**
* {@inheritDoc}
*/
public int compare( Object o1, Object o2 )
{
if ( ( o1 instanceof SchemaDifference ) && ( o2 instanceof SchemaDifference ) )
{
SchemaDifference sd1 = ( SchemaDifference ) o1;
SchemaDifference sd2 = ( SchemaDifference ) o2;
String name1 = ""; //$NON-NLS-1$
String name2 = ""; //$NON-NLS-1$
switch ( sd1.getType() )
{
case ADDED:
name1 = ( ( Schema ) sd1.getDestination() ).getSchemaName();
break;
case MODIFIED:
name1 = ( ( Schema ) sd1.getDestination() ).getSchemaName();
break;
case REMOVED:
name1 = ( ( Schema ) sd1.getSource() ).getSchemaName();
break;
case IDENTICAL:
name1 = ( ( Schema ) sd1.getDestination() ).getSchemaName();
break;
}
switch ( sd2.getType() )
{
case ADDED:
name2 = ( ( Schema ) sd2.getDestination() ).getSchemaName();
break;
case MODIFIED:
name2 = ( ( Schema ) sd2.getDestination() ).getSchemaName();
break;
case REMOVED:
name2 = ( ( Schema ) sd2.getSource() ).getSchemaName();
break;
case IDENTICAL:
name2 = ( ( Schema ) sd2.getDestination() ).getSchemaName();
break;
}
return name1.compareToIgnoreCase( name2 );
}
// Default
return o1.toString().compareToIgnoreCase( o2.toString() );
}
}