private BxBounds parseElementContainingVertexes(Element el) {
ArrayList<Element> vs = getChildren("Vertex", el);
if (vs.isEmpty()) {
return null;
}
ArrayList<ComparablePair<Integer, Integer>> list =
new ArrayList<ComparablePair<Integer, Integer>>();
int minx = Integer.MAX_VALUE;
int maxx = Integer.MIN_VALUE;
int miny = Integer.MAX_VALUE;
int maxy = Integer.MIN_VALUE;
for (Element v : vs) {
int x = Integer.parseInt(v.getAttribute("x"));
if (x < minx) minx = x;
if (x > maxx) maxx = x;
int y = Integer.parseInt(v.getAttribute("y"));
if (y < miny) miny = y;
if (y > maxy) maxy = y;
list.add(new ComparablePair<Integer, Integer>(x, y));
}
Collections.sort(list);
ComparablePair<Integer, Integer> mine = list.get(0);
ComparablePair<Integer, Integer> maxe = list.get(list.size() - 1);
BxBounds ret = new BxBounds(minx, miny, maxx - minx, maxy - miny);
if (ret.getHeight() == 0 || ret.getWidth() == 0) {
log.warn("problems with height or width points are:");
for (ComparablePair<Integer, Integer> pa : list) {
log.warn("\t" + pa.o1 + " , " + pa.o2);
}
}
return ret;
}
private ArrayList<Element> getChildren(String name, Element el) {
ArrayList<Element> list = new ArrayList<Element>();
NodeList nl = el.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node n = nl.item(i);
if (n instanceof Element) {
Element e = (Element) n;
if (e.getTagName().equalsIgnoreCase(name)) {
list.add(e);
}
}
}
return list;
}
private BxZoneLabel parseClassification(Element elClassicfication) {
ArrayList<Element> eli = getChildren("Category", elClassicfication);
Element catEl = eli.isEmpty() ? null : eli.get(0);
if (catEl == null) {
eli = getChildren("Type", elClassicfication);
catEl = eli.isEmpty() ? null : eli.get(0);
}
if (catEl == null) {
return null;
}
String val = catEl.getAttribute("Value");
if (val == null) {
return null;
}
if (zoneLabelMap.containsKey(val.toLowerCase())) {
return zoneLabelMap.get(val.toLowerCase());
}
return BxZoneLabel.OTH_UNKNOWN;
}