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Java > Open Source Codes > org > riotfamily > common > beans > xml > NestedListDecorator


1 /* ***** BEGIN LICENSE BLOCK *****
2  * Version: MPL 1.1
3  * The contents of this file are subject to the Mozilla Public License Version
4  * 1.1 (the "License"); you may not use this file except in compliance with
5  * the License. You may obtain a copy of the License at
6  * http://www.mozilla.org/MPL/
7  *
8  * Software distributed under the License is distributed on an "AS IS" basis,
9  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10  * for the specific language governing rights and limitations under the
11  * License.
12  *
13  * The Original Code is Riot.
14  *
15  * The Initial Developer of the Original Code is
16  * Neteye GmbH.
17  * Portions created by the Initial Developer are Copyright (C) 2007
18  * the Initial Developer. All Rights Reserved.
19  *
20  * Contributor(s):
21  * Felix Gnass [fgnass at neteye dot de]
22  *
23  * ***** END LICENSE BLOCK ***** */
24 package org.riotfamily.common.beans.xml;
25
26 import java.util.Collection JavaDoc;
27
28 import org.springframework.beans.MutablePropertyValues;
29 import org.springframework.beans.PropertyValue;
30 import org.springframework.beans.factory.config.BeanDefinition;
31 import org.springframework.beans.factory.config.BeanDefinitionHolder;
32 import org.springframework.beans.factory.support.ManagedList;
33 import org.springframework.beans.factory.xml.BeanDefinitionDecorator;
34 import org.springframework.beans.factory.xml.ParserContext;
35 import org.w3c.dom.Element JavaDoc;
36 import org.w3c.dom.Node JavaDoc;
37
38 public class NestedListDecorator implements BeanDefinitionDecorator {
39
40     private String JavaDoc listPropertyName;
41
42     public NestedListDecorator(String JavaDoc listPropertyName) {
43         this.listPropertyName = listPropertyName;
44     }
45
46     public BeanDefinitionHolder decorate(Node JavaDoc node,
47             BeanDefinitionHolder definition, ParserContext parserContext) {
48
49         BeanDefinition bd = definition.getBeanDefinition();
50         MutablePropertyValues pvs = bd.getPropertyValues();
51         Collection JavaDoc c = null;
52         PropertyValue pv = pvs.getPropertyValue(listPropertyName);
53         if (pv != null) {
54             c = (Collection JavaDoc) pv.getValue();
55         }
56         if (c == null) {
57             c = new ManagedList();
58             pvs.addPropertyValue(listPropertyName, c);
59         }
60         c.add(parserContext.getDelegate().parsePropertySubElement((Element JavaDoc) node, bd));
61         return definition;
62     }
63 }
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