java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/DocumentNamespaceContext.java
3 * Copyright © 2014 František Kučera (frantovo.cz)
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, version 3 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package cz.frantovo.alt2xml.out.xpath;
19 import java.util.Iterator;
20 import javax.xml.XMLConstants;
21 import javax.xml.namespace.NamespaceContext;
22 import org.w3c.dom.Node;
26 * @author Ing. František Kučera (frantovo.cz)
28 public class DocumentNamespaceContext implements NamespaceContext {
30 private final Node document;
32 public DocumentNamespaceContext(Node document) {
33 this.document = document;
37 public String getNamespaceURI(String prefix) {
38 if (prefix.equals(XMLConstants.DEFAULT_NS_PREFIX)) {
39 return document.lookupNamespaceURI(null);
41 return document.lookupNamespaceURI(prefix);
46 public String getPrefix(String xmlns) {
47 return document.lookupPrefix(xmlns);
51 * TODO: support multiple prefixes
54 public Iterator getPrefixes(String xmlns) {
55 return new OneItemIterator(getPrefix(xmlns));