/** Contact the remote WebDAV server and fetch all properties. */
private void reload(Location location) throws IOException {
/* Do an OPTIONS over onto the location */
location = this.options(location);
/* Do a PROPFIND to figure out the properties and the children */
final Iterator iterator = this.propfind(location).iterator();
final Map children = new HashMap();
while (iterator.hasNext()) {
final Resource resource = (Resource) iterator.next();
final Path path = resource.location.getPath();
if (path.size() == 0) {
resource.location = location.resolve(resource.location);
this.resource = resource;
} else if (path.size() == 1) {
final Path.Element element = (Path.Element) path.get(0);
if ("..".equals(element.getName())) continue;
children.put(element.toString(), resource);
}
}
/* Check if the current resource was discovered */
if (this.resource == null) throw new IOException("Current resource not returned in PROOPFIND");
/* Don't actually allow resources to be modified */
this.children = Collections.unmodifiableMap(children);
}
