/**
* Create a new <code>DavPropertyNameSet</code> from the given DAV:prop element.
*
* @param propElement
* @throws IllegalArgumentException if the specified element is <code>null</code> or is not a
* DAV:prop element.
*/
public DavPropertyNameSet(Element propElement) {
if (!DomUtil.matches(propElement, XML_PROP, NAMESPACE)) {
throw new IllegalArgumentException("'DAV:prop' element expected.");
}
// fill the set
ElementIterator it = DomUtil.getChildren(propElement);
while (it.hasNext()) {
add(DavPropertyName.createFromXml(it.nextElement()));
}
}
/**
* Creates a DavPropertyName from the given parameters and add it to this set.
*
* @param localName
* @param namespace
* @return <tt>true</tt> if the set did not already contain the specified property name.
*/
public boolean add(String localName, Namespace namespace) {
return set.add(DavPropertyName.create(localName, namespace));
}