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, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program 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
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package cz.frantovo.alt2xml.out.xpath;
20 import java.util.Iterator;
21 import javax.xml.XMLConstants;
22 import javax.xml.namespace.NamespaceContext;
23 import org.w3c.dom.Document;
24 import org.w3c.dom.Node;
28 * @author Ing. František Kučera (frantovo.cz)
30 public class DocumentNamespaceContext implements NamespaceContext {
32 private final Node document;
34 public DocumentNamespaceContext(Node document) {
35 this.document = document;
39 public String getNamespaceURI(String prefix) {
40 if (prefix.equals(XMLConstants.DEFAULT_NS_PREFIX)) {
41 return document.lookupNamespaceURI(null);
43 return document.lookupNamespaceURI(prefix);
48 public String getPrefix(String xmlns) {
49 return document.lookupPrefix(xmlns);
53 * TODO: support multiple prefixes
56 public Iterator getPrefixes(String xmlns) {
57 return new OneItemIterator(getPrefix(xmlns));