private void parseTerrestrial(Element terrestrialElement, TerrestrialPlanet terrestrial) {
terrestrial.setTemperature(
Integer.parseInt(getInnerTagContent(terrestrialElement, "temperature")));
parsePlanet(terrestrialElement, terrestrial);
systemsMap.put(system, terrestrial);
}
private void parseStar(Element starElement) {
system = starElement.getAttribute("system");
Star star = new Star();
star.setType(getInnerTagContent(starElement, "type"));
parseBody(starElement, star);
systemsMap.put(system, star);
}
private void parseGiant(Element giantElement) {
system = giantElement.getAttribute("system");
GasGiant giant = new GasGiant();
giant.setRings(Integer.parseInt(getInnerTagContent(giantElement, "rings")));
parsePlanet(giantElement, giant);
systemsMap.put(system, giant);
}
public SystemsMap getSystems(String path) throws Exception {
systemsMap.clear();
File file = new File(path);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(file);
Node root = doc.getDocumentElement();
root.normalize();
NodeList children = root.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE) {
switch (child.getNodeName()) {
case "star":
{
parseStar((Element) child);
break;
}
case "terrestrial":
{
parseTerrestrial((Element) child);
break;
}
case "giant":
{
parseGiant((Element) child);
break;
}
case "habitable":
{
parseHabitable((Element) child);
break;
}
}
}
}
return systemsMap;
}
