Here you can find the source of createXPathExpression(String expression, NamespaceContext namespaceContext)
private static XPathExpression createXPathExpression(String expression, NamespaceContext namespaceContext) throws XPathExpressionException
//package com.java2s; /**/* ww w.jav a 2s.c om*/ * Copyright (C) 2011-2012 The XDocReport Team <xdocreport@googlegroups.com> * * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ import javax.xml.namespace.NamespaceContext; import javax.xml.xpath.XPath; import javax.xml.xpath.XPathExpression; import javax.xml.xpath.XPathExpressionException; import javax.xml.xpath.XPathFactory; public class Main { private static XPathFactory factory; private static XPathExpression createXPathExpression(String expression, NamespaceContext namespaceContext) throws XPathExpressionException { XPath xpath = getFactory().newXPath(); if (namespaceContext != null) { xpath.setNamespaceContext(namespaceContext); } XPathExpression expr = xpath.compile(expression); return expr; } public static XPathFactory getFactory() { if (factory == null) { factory = createFactory(); } return factory; } private static XPathFactory createFactory() { return XPathFactory.newInstance(); } }