franta-hg@101: /**
franta-hg@101:  * Alt2XML
franta-hg@101:  * Copyright © 2014 František Kučera (frantovo.cz)
franta-hg@101:  *
franta-hg@101:  * This program is free software: you can redistribute it and/or modify
franta-hg@101:  * it under the terms of the GNU General Public License as published by
franta-hg@111:  * the Free Software Foundation, version 3 of the License.
franta-hg@101:  *
franta-hg@101:  * This program is distributed in the hope that it will be useful,
franta-hg@101:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@101:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@101:  * GNU General Public License for more details.
franta-hg@101:  *
franta-hg@101:  * You should have received a copy of the GNU General Public License
franta-hg@101:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
franta-hg@101:  */
franta-hg@101: package cz.frantovo.alt2xml.out.xpath;
franta-hg@101: 
franta-hg@101: import java.util.Iterator;
franta-hg@101: import javax.xml.XMLConstants;
franta-hg@101: import javax.xml.namespace.NamespaceContext;
franta-hg@101: import org.w3c.dom.Node;
franta-hg@101: 
franta-hg@101: /**
franta-hg@101:  *
franta-hg@101:  * @author Ing. František Kučera (frantovo.cz)
franta-hg@101:  */
franta-hg@101: public class DocumentNamespaceContext implements NamespaceContext {
franta-hg@101: 
franta-hg@101: 	private final Node document;
franta-hg@101: 
franta-hg@101: 	public DocumentNamespaceContext(Node document) {
franta-hg@101: 		this.document = document;
franta-hg@101: 	}
franta-hg@101: 
franta-hg@101: 	@Override
franta-hg@101: 	public String getNamespaceURI(String prefix) {
franta-hg@101: 		if (prefix.equals(XMLConstants.DEFAULT_NS_PREFIX)) {
franta-hg@101: 			return document.lookupNamespaceURI(null);
franta-hg@101: 		} else {
franta-hg@101: 			return document.lookupNamespaceURI(prefix);
franta-hg@101: 		}
franta-hg@101: 	}
franta-hg@101: 
franta-hg@101: 	@Override
franta-hg@101: 	public String getPrefix(String xmlns) {
franta-hg@101: 		return document.lookupPrefix(xmlns);
franta-hg@101: 	}
franta-hg@101: 
franta-hg@101: 	/**
franta-hg@101: 	 * TODO: support multiple prefixes
franta-hg@101: 	 */
franta-hg@101: 	@Override
franta-hg@101: 	public Iterator getPrefixes(String xmlns) {
franta-hg@101: 		return new OneItemIterator(getPrefix(xmlns));
franta-hg@101: 	}
franta-hg@101: }