/*
* 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.api.ldap.model.schema.AttributeType;
import org.apache.directory.api.ldap.model.schema.ObjectClass;
/**
* This class is used to compare and sort ascending two DisplayableTreeElement
*/
public class OidSorter implements Comparator<TreeNode>
{
/**
* {@inheritDoc}
*/
public int compare( TreeNode o1, TreeNode o2 )
{
if ( ( o1 instanceof AttributeTypeWrapper ) && ( o2 instanceof AttributeTypeWrapper ) )
{
AttributeType at1 = ( ( AttributeTypeWrapper ) o1 ).getAttributeType();
AttributeType at2 = ( ( AttributeTypeWrapper ) o2 ).getAttributeType();
return at1.getOid().compareToIgnoreCase( at2.getOid() );
}
else if ( ( o1 instanceof ObjectClassWrapper ) && ( o2 instanceof ObjectClassWrapper ) )
{
ObjectClass oc1 = ( ( ObjectClassWrapper ) o1 ).getObjectClass();
ObjectClass oc2 = ( ( ObjectClassWrapper ) o2 ).getObjectClass();
return oc1.getOid().compareToIgnoreCase( oc2.getOid() );
}
else if ( ( o1 instanceof AttributeTypeWrapper ) && ( o2 instanceof ObjectClassWrapper ) )
{
AttributeType at = ( ( AttributeTypeWrapper ) o1 ).getAttributeType();
ObjectClass oc = ( ( ObjectClassWrapper ) o2 ).getObjectClass();
return at.getOid().compareToIgnoreCase( oc.getOid() );
}
else if ( ( o1 instanceof ObjectClassWrapper ) && ( o2 instanceof AttributeTypeWrapper ) )
{
ObjectClass oc = ( ( ObjectClassWrapper ) o1 ).getObjectClass();
AttributeType at = ( ( AttributeTypeWrapper ) o2 ).getAttributeType();
return oc.getOid().compareToIgnoreCase( at.getOid() );
}
// Default
return o1.toString().compareToIgnoreCase( o2.toString() );
}
}