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Apache CXF example source code file (XPathUtils.java)
The Apache CXF XPathUtils.java source code/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.cxf.helpers; import java.util.Map; import javax.xml.namespace.NamespaceContext; import javax.xml.namespace.QName; import javax.xml.xpath.XPath; import javax.xml.xpath.XPathConstants; import javax.xml.xpath.XPathFactory; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class XPathUtils { private static final XPathFactory FACTORY = XPathFactory.newInstance(); private XPath xpath; public XPathUtils() { xpath = FACTORY.newXPath(); } public XPathUtils(final Map<String, String> ns) { this(); if (ns != null) { xpath.setNamespaceContext(new MapNamespaceContext(ns)); } } public XPathUtils(final NamespaceContext ctx) { this(); xpath.setNamespaceContext(ctx); } public Object getValue(String xpathExpression, Node node, QName type) { try { return xpath.evaluate(xpathExpression, node, type); } catch (Exception e) { return null; } } public NodeList getValueList(String xpathExpression, Node node) { return (NodeList)getValue(xpathExpression, node, XPathConstants.NODESET); } public String getValueString(String xpathExpression, Node node) { return (String)getValue(xpathExpression, node, XPathConstants.STRING); } public Node getValueNode(String xpathExpression, Node node) { return (Node)getValue(xpathExpression, node, XPathConstants.NODE); } public boolean isExist(String xpathExpression, Node node, QName type) { return getValue(xpathExpression, node, type) != null; } public static XPathFactory getFactory() { return FACTORY; } } Other Apache CXF examples (source code examples)Here is a short list of links related to this Apache CXF XPathUtils.java source code file: |
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