java-org.hwo/src/org/hwo/xml/XMLHelper.java

45 lines
896 B
Java

package org.hwo.xml;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.hwo.logging.Logging;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class XMLHelper {
static XPath _xpath;
public static NodeList select(Node node,String xpath){
try {
return (NodeList)_xpath.evaluate(xpath, node, XPathConstants.NODESET);
} catch (XPathExpressionException e) {
Logging.log(e);
}
return null;
}
public static Element firstNamedElement(Node node,String name){
try {
return (Element)_xpath.evaluate(name, node, XPathConstants.NODE);
} catch (XPathExpressionException e) {
Logging.log(e);
}
return null;
}
static {
_xpath = XPathFactory.newInstance().newXPath();
}
}