protected void printNodeLinks(PrintWriter writer, DestinationMapNode node, String prefix) {
String path = getPath(node);
Collection children = node.getChildren();
for (Iterator iter = children.iterator(); iter.hasNext();) {
DestinationMapNode child = (DestinationMapNode) iter.next();
writer.print(" ");
writer.print(prefix);
writer.print(ID_SEPARATOR);
writer.print(path);