public static TroopsInfo parse(final String str) {
final String content = str.substring(1, str.length() - 1);
final TroopsInfo troopsInfo = new TroopsInfo();
if (!content.isEmpty()) {
final String[] split = content.split(TO_STRING_DELIMITER);
for (final String element : split) {
final String[] ts = element.split(TROOP_DELIMITER);
if (ts.length != 2) {
throw new IllegalArgumentException("Unparseable");
}
troopsInfo.add(Troop.fromDescription(ts[1]), Integer.valueOf(ts[0]));
}
}
return troopsInfo;
}
