/*
* 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.wrappers;
import java.util.Comparator;
import org.apache.directory.studio.schemaeditor.model.Schema;
/**
* This class is used to compare and sort ascending two Schemas
*/
public class SchemaSorter implements Comparator<TreeNode>
{
/**
* {@inheritDoc}
*/
public int compare( TreeNode o1, TreeNode o2 )
{
if ( ( o1 instanceof SchemaWrapper ) && ( o2 instanceof SchemaWrapper ) )
{
Schema s1 = ( ( SchemaWrapper ) o1 ).getSchema();
Schema s2 = ( ( SchemaWrapper ) o2 ).getSchema();
if ( ( s1 != null ) && ( s2 != null ) )
{
return s1.getSchemaName().compareToIgnoreCase( s2.getSchemaName() );
}
}
// Default
return o1.toString().compareToIgnoreCase( o2.toString() );
}
}