1 /*
2 * This file is a part of the SchemaSpy project (http://schemaspy.sourceforge.net).
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 John Currier
4 *
5 * SchemaSpy is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * SchemaSpy is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19 package net.sourceforge.schemaspy.util;
20
21 import javax.xml.transform.OutputKeys;
22 import javax.xml.transform.Transformer;
23 import javax.xml.transform.TransformerException;
24 import javax.xml.transform.TransformerFactory;
25 import javax.xml.transform.dom.DOMSource;
26 import javax.xml.transform.stream.StreamResult;
27 import org.w3c.dom.Node;
28
29 public class DOMUtil {
30 public static void printDOM(Node node, LineWriter out) throws TransformerException {
31 TransformerFactory factory = TransformerFactory.newInstance();
32 Transformer xformer;
33 boolean indentSpecified = false;
34
35 // see http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6296446
36 // for issues about transformations in Java 5.x
37 try {
38 // won't work pre-5.x
39 factory.setAttribute("indent-number", new Integer(3));
40 indentSpecified = true;
41 } catch (IllegalArgumentException factoryDoesntSupportIndentNumber) {
42 }
43
44 xformer = factory.newTransformer();
45 xformer.setOutputProperty(OutputKeys.INDENT, "yes");
46 if (!indentSpecified)
47 xformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "3");
48
49 xformer.transform(new DOMSource(node), new StreamResult(out));
50 }
51
52 /**
53 * Append the specified key/value pair of attributes to the <code>Node</code>.
54 * @param node Node
55 * @param name String
56 * @param value String
57 */
58 public static void appendAttribute(Node node, String name, String value) {
59 Node attribute = node.getOwnerDocument().createAttribute(name);
60 attribute.setNodeValue(value);
61 node.getAttributes().setNamedItem(attribute);
62 }
63 }