1 /**
2 *
3 * Copyright 2003-2004 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * 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
18 package org.apache.geronimo.deployment.util;
19
20 import org.w3c.dom.Element;
21 import org.w3c.dom.NodeList;
22 import org.w3c.dom.Node;
23
24 /**
25 *
26 *
27 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
28 */
29 public class XMLUtil {
30 public static Object getContent(Element element) {
31 NodeList nl = element.getChildNodes();
32 StringBuffer content = new StringBuffer();
33 for (int i = 0; i < nl.getLength(); i++) {
34 Node node = nl.item(i);
35 switch (node.getNodeType()) {
36 case Node.ELEMENT_NODE:
37 return node;
38 case Node.CDATA_SECTION_NODE:
39 case Node.TEXT_NODE:
40 content.append(node.getNodeValue());
41 break;
42 }
43 }
44 return content.toString().trim();
45 }
46
47 public static Element getChild(Element parent, String name) {
48 for (Node child = parent.getFirstChild(); child != null; child = child.getNextSibling()) {
49 if (child instanceof Element && name.equals(child.getNodeName())) {
50 return (Element) child;
51 }
52 }
53 return null;
54 }
55
56 public static String getChildContent(Element parent, String name, String missing, String empty) {
57 Element child = getChild(parent, name);
58 if (child == null) {
59 return missing;
60 } else {
61 String content = (String) getContent(child);
62 return (content != null) ? content : empty;
63 }
64 }
65 }