org.dom4j.xpath: public class: DefaultNamespaceContext

org.dom4j.xpath
public class: DefaultNamespaceContext [javadoc | source]

java.lang.Object
   org.dom4j.xpath.DefaultNamespaceContext

All Implemented Interfaces:
Serializable, org.jaxen.NamespaceContext

DefaultNamespaceContext implements a Jaxen NamespaceContext such that a context node is used to determine the current XPath namespace prefixes and namespace URIs available.

author: < - a href="mailto:jstrachan@apache.org">James Strachan

Constructor:
public DefaultNamespaceContext(Element element) { this.element = element; }

Method from org.dom4j.xpath.DefaultNamespaceContext Summary:
create, translateNamespacePrefixToUri

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.dom4j.xpath.DefaultNamespaceContext Detail:
public static DefaultNamespaceContext create(Object node) { Element element = null; if (node instanceof Element) { element = (Element) node; } else if (node instanceof Document) { Document doc = (Document) node; element = doc.getRootElement(); } else if (node instanceof Node) { element = ((Node) node).getParent(); } if (element != null) { return new DefaultNamespaceContext(element); } return null; }
public String translateNamespacePrefixToUri(String prefix) { if ((prefix != null) && (prefix.length() > 0)) { Namespace ns = element.getNamespaceForPrefix(prefix); if (ns != null) { return ns.getURI(); } } return null; }

Method from org.dom4j.xpath.DefaultNamespaceContext Detail:

 public static DefaultNamespaceContext create(Object node) {
        Element element = null;
        if (node instanceof Element) {
            element = (Element) node;
        } else if (node instanceof Document) {
            Document doc = (Document) node;
            element = doc.getRootElement();
        } else if (node instanceof Node) {
            element = ((Node) node).getParent();
        }
        if (element != null) {
            return new DefaultNamespaceContext(element);
        }
        return null;
}

 public String translateNamespacePrefixToUri(String prefix) {
        if ((prefix != null) && (prefix.length()  > 0)) {
            Namespace ns = element.getNamespaceForPrefix(prefix);
            if (ns != null) {
                return ns.getURI();
            }
        }
        return null;
}