/* * Copyright (C) 2013 Jan Pokorsky * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package cz.cas.lib.proarc.common.xml; import javax.xml.xpath.XPathFactory; /** * Helper to handle ProArc XMLs. * * @author Jan Pokorsky */ public final class ProarcXmlUtils { public static final String NS_IMPORT = "http://proarc.lib.cas.cz/xml/common/import/v1/"; public static final String NS_EXPORT = "http://proarc.lib.cas.cz/xml/common/export/v1/"; private static ThreadLocal<XPathFactory> XPATH_FACTORY = new ThreadLocal<XPathFactory>(); /** * Gets a thread safe XPath factory. * @return the factory */ public static XPathFactory defaultXPathFactory() { XPathFactory xPathFactory = XPATH_FACTORY.get(); if (xPathFactory == null) { xPathFactory = XPathFactory.newInstance(); } return xPathFactory; } }