/**
* Copyright (c) Codice Foundation
* <p/>
* This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
* General Public License as published by the Free Software Foundation, either version 3 of the
* License, or any later version.
* <p/>
* 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
* Lesser General Public License for more details. A copy of the GNU Lesser General Public License
* is distributed along with this program and can be found at
* <http://www.gnu.org/licenses/lgpl.html>.
*/
package ddf.catalog.pubsub.criteria.contextual;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import ddf.util.XPathHelper;
public class XPathEvaluator {
private static final Logger LOGGER = LoggerFactory.getLogger(XPathEvaluator.class);
public static boolean evaluate(XPathEvaluationCriteria xpathCriteria) {
Document document = xpathCriteria.getDocument();
String xpath = xpathCriteria.getXPath();
XPathHelper evaluator = new XPathHelper(document);
try {
return (Boolean) evaluator.evaluate(xpath, XPathConstants.BOOLEAN);
} catch (XPathExpressionException e) {
LOGGER.error("Unable to evaluate xpath", e);
}
return false;
}
}