public void activate() {
for(Voice voice : new KevinVoiceDirectory().getVoices()) {
voices.put(voice.getName(), voice);
}
for(Voice voice : new AlanVoiceDirectory().getVoices()) {
voices.put(voice.getName(), voice);
}
// workaround for JVM bug, see
// http://ondra.zizka.cz/stranky/programovani/java/misc/freetts-line-unavailable-classcastexception-kevinvoicedirectory-error-opening-zipfile.texy