private long parsePosition(Tokenizer st, String type) throws IOException {
boolean isLatitude = type.equals("latitude");
int deg = 0, min = 0;
double sec = 0;
long value;
String s;
deg = st.getUInt16();
if (deg > 180 || (deg > 90 && isLatitude))
throw st.exception("Invalid LOC " + type + " degrees");
s = st.getString();
try {
min = Integer.parseInt(s);
if (min < 0 || min > 59) throw st.exception("Invalid LOC " + type + " minutes");
s = st.getString();
sec = parseFixedPoint(s);
if (sec < 0 || sec >= 60) throw st.exception("Invalid LOC " + type + " seconds");
s = st.getString();
} catch (NumberFormatException e) {
}
if (s.length() != 1) throw st.exception("Invalid LOC " + type);
value = (long) (1000 * (sec + 60L * (min + 60L * deg)));
char c = Character.toUpperCase(s.charAt(0));
if ((isLatitude && c == 'S') || (!isLatitude && c == 'W')) value = -value;
else if ((isLatitude && c != 'N') || (!isLatitude && c != 'E'))
throw st.exception("Invalid LOC " + type);
value += (1L << 31);
return value;
}
