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Java > Open Source Codes > org > apache > servicemix > jbi > config > spring > QNameElementProcessor


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.servicemix.jbi.config.spring;
18
19 import org.apache.commons.logging.Log;
20 import org.apache.commons.logging.LogFactory;
21 import org.apache.servicemix.jbi.util.DOMUtil;
22 import org.springframework.beans.factory.support.BeanDefinitionReader;
23 import org.w3c.dom.Element JavaDoc;
24
25 import javax.xml.namespace.QName JavaDoc;
26
27 /**
28  * Handles the 'qname' element
29  *
30  * @version $Revision: 426415 $
31  */
32 public class QNameElementProcessor extends ElementProcessorSupport implements ElementProcessor {
33     private static final transient Log log = LogFactory.getLog(QNameElementProcessor.class);
34
35     public void processElement(Element JavaDoc element, BeanDefinitionReader beanDefinitionReader) {
36         Element JavaDoc root = (Element JavaDoc) element.getParentNode();
37         QName JavaDoc qname = DOMUtil.createQName(element, DOMUtil.getElementText(element));
38         Element JavaDoc bean = addQNameBeanElement(root, qname);
39
40         // now lets discard the old qname element to avoid breaking spring
41 root.removeChild(element);
42
43         logXmlGenerated(log, "qname generated", bean);
44     }
45
46     /**
47      * Adds a new Spring bean element to create a QName instance of the given value.
48      */
49     protected Element JavaDoc addQNameBeanElement(Element JavaDoc owner, QName JavaDoc qname) {
50         Element JavaDoc bean = addBeanElement(owner, "javax.xml.namespace.QName");
51
52         String JavaDoc uri = qname.getNamespaceURI();
53         boolean hasURI = uri != null && uri.length() > 0;
54         if (hasURI) {
55             addConstructorValueNode(bean, uri);
56         }
57         addConstructorValueNode(bean, qname.getLocalPart());
58         if (hasURI) {
59             String JavaDoc prefix = qname.getPrefix();
60             if (prefix != null && prefix.length() > 0) {
61                 addConstructorValueNode(bean, prefix);
62             }
63         }
64         return bean;
65     }
66
67     protected void addQNameProperty(Element JavaDoc registration, String JavaDoc propertyName, String JavaDoc qnameText, Element JavaDoc namespaceContext) {
68         if (qnameText != null && qnameText.length() > 0) {
69             Element JavaDoc property = addPropertyElement(registration, propertyName);
70             QName JavaDoc qname = DOMUtil.createQName(namespaceContext, qnameText);
71             addQNameBeanElement(property, qname);
72         }
73     }
74
75 }
76
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