2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netconf.util.xml;
10 import javax.xml.namespace.NamespaceContext;
11 import javax.xml.xpath.XPath;
12 import javax.xml.xpath.XPathExpression;
13 import javax.xml.xpath.XPathExpressionException;
14 import javax.xml.xpath.XPathFactory;
15 import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
17 public final class XMLNetconfUtil {
18 private static final XPathFactory FACTORY = XPathFactory.newInstance();
19 private static final NamespaceContext NS_CONTEXT = new HardcodedNamespaceResolver("netconf",
20 XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0);
22 private XMLNetconfUtil() {
26 public static XPathExpression compileXPath(final String xpath) {
27 final XPath newXPath = FACTORY.newXPath();
28 newXPath.setNamespaceContext(NS_CONTEXT);
30 return newXPath.compile(xpath);
31 } catch (final XPathExpressionException e) {
32 throw new IllegalStateException("Error while compiling xpath expression " + xpath, e);