org.w3c.dom.xpath

Interface XPathNSResolver


  • public interface XPathNSResolver
    The XPathNSResolver interface permit prefix strings in the expression to be properly bound to namespaceURI strings. XPathEvaluator can construct an implementation of XPathNSResolver from a node, or the interface may be implemented by any application.

    See also the Document Object Model (DOM) Level 3 XPath Specification.

    • Method Summary

      Modifier and Type Method and Description
      String lookupNamespaceURI(String prefix)
      Look up the namespace URI associated to the given namespace prefix.

    • Method Detail

      • lookupNamespaceURI

        String lookupNamespaceURI(String prefix)
        Look up the namespace URI associated to the given namespace prefix. The XPath evaluator must never call this with a null or empty argument, because the result of doing this is undefined.
        Parameters:
        prefix - The prefix to look for.
        Returns:
        Returns the associated namespace URI or null if none is found.