private boolean equalsFormat(HTMLNode node1, HTMLNode node2) {
Name name1 = node1.getName();
Name name2 = node2.getName();
if (name1 != name2) return false;
Attributes attributes1 = node1.getAttributes();
Attributes attributes2 = node2.getAttributes();
if (attributes1.size() != attributes2.size()) return false;
for (int i = 0; i < attributes1.size(); i++) {
Attribute attribute1 = attributes1.get(i);
Attribute attribute2 = attributes2.get(i);
if (attribute1 == null && attribute2 != null) return false;
if (attribute1 != null && attribute2 == null) return false;
if (attribute1 != null
&& attribute2 != null
&& !attribute1.getName().equalsIgnoreCase(attribute2.getName())) return false;
}
List<HTMLNode> children1 = node1.getChildren();
List<HTMLNode> children2 = node2.getChildren();
if (children1 == null && children2 == null) return true;
if (children1 == null && children2 != null) return false;
if (children1 != null && children2 == null) return false;
if (children1.size() != children2.size()) return false;
for (int i = 0; i < children1.size(); i++) {
if (!equalsFormat(children1.get(i), children2.get(i))) return false;
}
return true;
}
