public synchronized boolean changeLeafElement(String xmlName, String oldValue, String newValue) {
List<Child> children = this.children; // fix the snapshot that we'll work with
int len = children.size();
for (int i = 0; i < len; i++) {
Child child = children.get(i);
if (child.name.equals(xmlName) && ((LeafChild) child).value.equals(oldValue)) {
return (children.set(i, new LeafChild(xmlName, newValue)) != null);
}
}
return false;
}
