/*
* 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.AttributeTypeImpl;
import org.apache.directory.studio.schemaeditor.model.ObjectClassImpl;
/**
* This class is used to compare and sort ascending two TreeNode.
*/
public class FirstNameSorter implements Comparator<TreeNode>
{
/* (non-Javadoc)
* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
*/
public int compare( TreeNode o1, TreeNode o2 )
{
String[] o1Names = null;
String[] o2Names = null;
if ( ( o1 instanceof AttributeTypeWrapper ) && ( o2 instanceof AttributeTypeWrapper ) )
{
AttributeTypeImpl at1 = ( ( AttributeTypeWrapper ) o1 ).getAttributeType();
AttributeTypeImpl at2 = ( ( AttributeTypeWrapper ) o2 ).getAttributeType();
o1Names = at1.getNamesRef();
o2Names = at2.getNamesRef();
}
else if ( ( o1 instanceof ObjectClassWrapper ) && ( o2 instanceof ObjectClassWrapper ) )
{
ObjectClassImpl oc1 = ( ( ObjectClassWrapper ) o1 ).getObjectClass();
ObjectClassImpl oc2 = ( ( ObjectClassWrapper ) o2 ).getObjectClass();
o1Names = oc1.getNamesRef();
o2Names = oc2.getNamesRef();
}
else if ( ( o1 instanceof AttributeTypeWrapper ) && ( o2 instanceof ObjectClassWrapper ) )
{
AttributeTypeImpl at = ( ( AttributeTypeWrapper ) o1 ).getAttributeType();
ObjectClassImpl oc = ( ( ObjectClassWrapper ) o2 ).getObjectClass();
o1Names = at.getNamesRef();
o2Names = oc.getNamesRef();
}
else if ( ( o1 instanceof ObjectClassWrapper ) && ( o2 instanceof AttributeTypeWrapper ) )
{
ObjectClassImpl oc = ( ( ObjectClassWrapper ) o1 ).getObjectClass();
AttributeTypeImpl at = ( ( AttributeTypeWrapper ) o2 ).getAttributeType();
o1Names = oc.getNamesRef();
o2Names = at.getNamesRef();
}
// Comparing the First Name
if ( ( o1Names != null ) && ( o2Names != null ) )
{
if ( ( o1Names.length > 0 ) && ( o2Names.length > 0 ) )
{
return o1Names[0].compareToIgnoreCase( o2Names[0] );
}
else if ( ( o1Names.length == 0 ) && ( o2Names.length > 0 ) )
{
return "".compareToIgnoreCase( o2Names[0] ); //$NON-NLS-1$
}
else if ( ( o1Names.length > 0 ) && ( o2Names.length == 0 ) )
{
return o1Names[0].compareToIgnoreCase( "" ); //$NON-NLS-1$
}
}
// Default
return o1.toString().compareToIgnoreCase( o2.toString() );
}
}