ChildToDequeueType.java

/*
 * 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.wicket;

import org.apache.wicket.markup.html.border.Border;

public enum ChildToDequeueType
{
	NULL, GENERIC_COMPONENT, MARKUP_CONTAINER, BORDER, QUEUE_REGION;
	
	public static ChildToDequeueType fromChild(Component child) 
	{
		if (child == null)
		{
			return NULL;
		}
		
		if (child instanceof Border)
		{
			return BORDER;
		}
		
		if (child instanceof IQueueRegion)
		{
			return QUEUE_REGION;
		}
		
		if (child instanceof MarkupContainer)
		{
			return MARKUP_CONTAINER;
		}
		
		return GENERIC_COMPONENT;
	}
}