public void init(XMLStructure parent, XMLCryptoContext context)
throws InvalidAlgorithmParameterException {
super.init(parent, context);
try {
unmarshalParams(DOMUtils.getFirstChildElement(transformElem));
} catch (MarshalException me) {
throw new InvalidAlgorithmParameterException(me);
}
}
public void marshalParams(XMLStructure parent, XMLCryptoContext context) throws MarshalException {
super.marshalParams(parent, context);
XPathFilter2ParameterSpec xp = (XPathFilter2ParameterSpec) getParameterSpec();
String prefix = DOMUtils.getNSPrefix(context, Transform.XPATH2);
String qname = (prefix == null || prefix.length() == 0) ? "xmlns" : "xmlns:" + prefix;
@SuppressWarnings("unchecked")
List<XPathType> xpathList = xp.getXPathList();
for (XPathType xpathType : xpathList) {
Element elem = DOMUtils.createElement(ownerDoc, "XPath", Transform.XPATH2, prefix);
elem.appendChild(ownerDoc.createTextNode(xpathType.getExpression()));
DOMUtils.setAttribute(elem, "Filter", xpathType.getFilter().toString());
elem.setAttributeNS("http://www.w3.org/2000/xmlns/", qname, Transform.XPATH2);
// add namespace attributes, if necessary
@SuppressWarnings("unchecked")
Set<Map.Entry<String, String>> entries = xpathType.getNamespaceMap().entrySet();
for (Map.Entry<String, String> entry : entries) {
elem.setAttributeNS(
"http://www.w3.org/2000/xmlns/", "xmlns:" + entry.getKey(), entry.getValue());
}
transformElem.appendChild(elem);
}
}