/** * (The MIT License) * * Copyright (c) 2008 - 2012: * * * {Aaron Patterson}[http://tenderlovemaking.com] * * {Mike Dalessio}[http://mike.daless.io] * * {Charles Nutter}[http://blog.headius.com] * * {Sergio Arbeo}[http://www.serabe.com] * * {Patrick Mahoney}[http://polycrystal.org] * * {Yoko Harada}[http://yokolet.blogspot.com] * * 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. */ package nokogiri.internals; import java.util.HashMap; import javax.xml.namespace.QName; import javax.xml.xpath.XPathVariableResolver; /** * XPath variable support * * @author Ken Bloom <kbloom@gmail.com> * @author Yoko Harada <yokolet@gmail.com> */ public class NokogiriXPathVariableResolver implements XPathVariableResolver { private static NokogiriXPathVariableResolver resolver; private HashMap<QName,String> variables = new HashMap<QName,String>(); public static NokogiriXPathVariableResolver create() { if (resolver == null) resolver = new NokogiriXPathVariableResolver(); try { NokogiriXPathVariableResolver clone = (NokogiriXPathVariableResolver) resolver.clone(); return clone; } catch (CloneNotSupportedException e) { NokogiriXPathVariableResolver freshResolver = new NokogiriXPathVariableResolver(); return freshResolver; } } private NokogiriXPathVariableResolver() {} public Object resolveVariable(QName variableName){ return variables.get(variableName); } public void registerVariable(String name,String value){ variables.put(new QName(name),value); } }