/**
* Keyを文字列に変換する. ※no-id-yetキー対応で例外時はそのままでは保存できないが表示用の文字列を返す。
*
* @param key
* @return
*/
private static String keyToString(Key key) {
if (key == null) return null;
try {
return KeyFactory.keyToString(key);
} catch (Exception e) {
return key.toString();
}
}
/**
* ユーザーの取得
*
* @param email
* @return
*/
public static UserModel getOrNull(String userID) {
Key key = createKey(userID);
UserModel model = Memcache.get(key.toString());
if (model != null) return model;
model = userModelDao.getOrNull(key);
if (model != null) Memcache.put(model.getKey().toString(), model);
return model;
}
public static String sendMessage(ServletContext context, String recipient, String message) {
PersistenceManager pm = PMF.get().getPersistenceManager();
try {
UserService userService = UserServiceFactory.getUserService();
User user = userService.getCurrentUser();
String sender = "nobody";
if (user != null) {
sender = user.getEmail();
}
log.info("sendMessage: sender = " + sender);
log.info("sendMessage: recipient = " + recipient);
log.info("sendMessage: message = " + message);
// ok = we sent to at least one device.
boolean ok = false;
// Send push message to phone
C2DMessaging push = C2DMessaging.get(context);
boolean res = false;
String collapseKey = "" + message.hashCode();
// delete will fail if the pm is different than the one used to
// load the object - we must close the object when we're done
List<DeviceInfo> registrations = null;
registrations = DeviceInfo.getDeviceInfoForUser(recipient);
log.info("sendMessage: got " + registrations.size() + " registrations");
// Deal with upgrades and multi-device:
// If user has one device with an old version and few new ones -
// the old registration will be deleted.
if (registrations.size() > 1) {
// Make sure there is no 'bare' registration
// Keys are sorted - check the first
DeviceInfo first = registrations.get(0);
Key oldKey = first.getKey();
if (oldKey.toString().indexOf("#") < 0) {
// multiple devices, first is old-style.
registrations.remove(0); // don't send to it
pm.deletePersistent(first);
}
}
int numSendAttempts = 0;
for (DeviceInfo deviceInfo : registrations) {
if (!"ac2dm".equals(deviceInfo.getType())) {
continue; // user-specified device type
}
res = doSendViaC2dm(message, sender, push, collapseKey, deviceInfo);
numSendAttempts++;
if (res) {
ok = true;
}
}
if (ok) {
return "Success: Message sent";
} else if (numSendAttempts == 0) {
return "Failure: User " + recipient + " not registered";
} else {
return "Failure: Unable to send message";
}
} catch (Exception e) {
return "Failure: Got exception " + e;
} finally {
pm.close();
}
}
