001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket;
018
019import org.apache.wicket.markup.html.border.Border;
020
021public enum ChildToDequeueType
022{
023        NULL, GENERIC_COMPONENT, MARKUP_CONTAINER, BORDER, QUEUE_REGION;
024        
025        public static ChildToDequeueType fromChild(Component child) 
026        {
027                if (child == null)
028                {
029                        return NULL;
030                }
031                
032                if (child instanceof Border)
033                {
034                        return BORDER;
035                }
036                
037                if (child instanceof IQueueRegion)
038                {
039                        return QUEUE_REGION;
040                }
041                
042                if (child instanceof MarkupContainer)
043                {
044                        return MARKUP_CONTAINER;
045                }
046                
047                return GENERIC_COMPONENT;
048        }
049}