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
9 package org.opendaylight.controller.netconf.util.xml;
11 import javax.xml.namespace.NamespaceContext;
12 import javax.xml.xpath.XPath;
13 import javax.xml.xpath.XPathExpression;
14 import javax.xml.xpath.XPathExpressionException;
15 import javax.xml.xpath.XPathFactory;
16 import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
18 public final class XMLNetconfUtil {
19 private static final XPathFactory FACTORY = XPathFactory.newInstance();
20 private static final NamespaceContext NS_CONTEXT = new HardcodedNamespaceResolver("netconf",
21 XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0);
23 private XMLNetconfUtil() {
24 throw new UnsupportedOperationException("Utility class");
27 public static XPathExpression compileXPath(final String xPath) {
28 final XPath xpath = FACTORY.newXPath();
29 xpath.setNamespaceContext(NS_CONTEXT);
31 return xpath.compile(xPath);
32 } catch (final XPathExpressionException e) {
33 throw new IllegalStateException("Error while compiling xpath expression " + xPath, e);