for (final Iterator it = data.keySet().iterator(); it.hasNext();) {
final String key = (String)it.next();
final int j = Strings.anyOf(key, notAllowed, 0);
if (j < key.length()) { //found
final char cc = key.charAt(j);
throw new SystemException(MCommon.ILLEGAL_CHAR,
cc + " (0x" + Integer.toHexString(cc) + ')');
}
}
setData(Maps.toString(data, '"', ' '));