Examples with OMContainer org.apache.axiom.om.OMContainer used on opensource projects

Example 11 with OMContainer

use of org.apache.axiom.om.OMContainer in project webservices-axiom by apache.

the class OMXMLReader method generateParentPrefixMappingEvents.

private void generateParentPrefixMappingEvents(OMElement omElement, boolean start) throws SAXException {
    if (!(omElement.getParent() instanceof OMElement)) {
        return;
    }
    // Maintain a set of the prefixes we have already seen. This is required to take into
    // account that a namespace mapping declared on an element can hide another one declared
    // for the same prefix on an ancestor of the element.
    Set /*<String>*/
    seenPrefixes = new HashSet();
    for (Iterator it = omElement.getAllDeclaredNamespaces(); it.hasNext(); ) {
        seenPrefixes.add(((OMNamespace) it.next()).getPrefix());
    }
    OMElement current = omElement;
    while (true) {
        OMContainer parent = current.getParent();
        if (!(parent instanceof OMElement)) {
            return;
        }
        current = (OMElement) parent;
        for (Iterator it = current.getAllDeclaredNamespaces(); it.hasNext(); ) {
            OMNamespace ns = (OMNamespace) it.next();
            if (seenPrefixes.add(ns.getPrefix())) {
                generatePrefixMappingEvents(ns, start);
            }
        }
    }
}