/*
* 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.editors.attributetype;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import org.apache.directory.api.ldap.model.schema.AttributeType;
import org.apache.directory.api.ldap.model.schema.ObjectClass;
import org.apache.directory.api.util.Strings;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.controller.SchemaHandler;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* This class is the Content Provider for the Optional Table of the Attribute Type Editor (Used By Page).
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ATEUsedByOptionalTableContentProvider implements IStructuredContentProvider
{
/**
* {@inheritDoc}
*/
public Object[] getElements( Object inputElement )
{
if ( inputElement instanceof AttributeType )
{
List<ObjectClass> results = new ArrayList<ObjectClass>();
AttributeType inputAT = ( AttributeType ) inputElement;
SchemaHandler schemaHandler = Activator.getDefault().getSchemaHandler();
List<String> names = new ArrayList<String>();
List<String> atNames = inputAT.getNames();
if ( atNames != null )
{
for ( String name : atNames )
{
names.add( Strings.toLowerCase( name ) );
}
}
List<ObjectClass> objectClasses = schemaHandler.getObjectClasses();
for ( ObjectClass oc : objectClasses )
{
List<String> mays = oc.getMayAttributeTypeOids();
if ( mays != null )
{
for ( String may : mays )
{
if ( names.contains( Strings.toLowerCase( may ) ) )
{
results.add( oc );
}
}
}
}
// Sorting Results
Collections.sort( results, new Comparator<ObjectClass>()
{
public int compare( ObjectClass oc1, ObjectClass oc2 )
{
if ( oc1 instanceof ObjectClass && oc1 instanceof ObjectClass )
{
List<String> oc1Names = ( ( ObjectClass ) oc1 ).getNames();
List<String> oc2Names = ( ( ObjectClass ) oc2 ).getNames();
if ( ( oc1Names != null ) && ( oc2Names != null ) && ( oc1Names.size() > 0 )
&& ( oc2Names.size() > 0 ) )
{
return oc1Names.get( 0 ).compareToIgnoreCase( oc2Names.get( 0 ) );
}
}
return 0;
}
} );
return results.toArray();
}
// Default
return null;
}
/**
* {@inheritDoc}
*/
public void dispose()
{
}
/**
* {@inheritDoc}
*/
public void inputChanged( Viewer viewer, Object oldInput, Object newInput )
{
}
}