// Find a node in our tree of logger nodes.
// If necessary, create it.
private LogNode findNode(String name) {
if (name == null || name.equals("")) {
return root;
}
LogNode node = root;
while (name.length() > 0) {
int ix = name.indexOf(".");
String head;
if (ix > 0) {
head = name.substring(0,ix);
name = name.substring(ix+1);
} else {
head = name;
name = "";
}
if (node.children == null) {
node.children = new HashMap();
}
LogNode child = (LogNode)node.children.get(head);
if (child == null) {
child = new LogNode(node);
node.children.put(head, child);
}
node = child;
}
return node;
}
