@Override
public void sendMessage(Message message) throws MessagingException {
ArrayList<Address> addresses = new ArrayList<Address>();
{
addresses.addAll(Arrays.asList(message.getRecipients(RecipientType.TO)));
addresses.addAll(Arrays.asList(message.getRecipients(RecipientType.CC)));
addresses.addAll(Arrays.asList(message.getRecipients(RecipientType.BCC)));
}
message.setRecipients(RecipientType.BCC, null);
HashMap<String, ArrayList<String>> charsetAddressesMap =
new HashMap<String, ArrayList<String>>();
for (Address address : addresses) {
String addressString = address.getAddress();
String charset = MimeUtility.getCharsetFromAddress(addressString);
ArrayList<String> addressesOfCharset = charsetAddressesMap.get(charset);
if (addressesOfCharset == null) {
addressesOfCharset = new ArrayList<String>();
charsetAddressesMap.put(charset, addressesOfCharset);
}
addressesOfCharset.add(addressString);
}
for (Map.Entry<String, ArrayList<String>> charsetAddressesMapEntry :
charsetAddressesMap.entrySet()) {
String charset = charsetAddressesMapEntry.getKey();
ArrayList<String> addressesOfCharset = charsetAddressesMapEntry.getValue();
message.setCharset(charset);
sendMessageTo(addressesOfCharset, message);
}
}
