public static SmsMessage createSmsMessage(Contact contact, String content)
throws FailedToCreateSmsMessageException {
// TODO: Set message direction
Calendar calendar;
long dateNumber;
DataManager dm;
String messageId;
String contactId;
int messageCount;
SmsMessage smsMessage;
try {
// Get sms message information from calendar and manager
calendar = new GregorianCalendar(TimeZone.getDefault());
// dateNumber = calendar.getTime().getTime();
dateNumber = calendar.getTimeInMillis();
// Create sms message into storage
dm = DataManager.getInstance();
// get key to encrypt messages
byte[] salt = Cryptography.decodeFromStorage(dm.getAttributeString(dm.USER, dm.SALT));
byte[] iv = Cryptography.decodeFromStorage(dm.getAttributeString(dm.USER, dm.IV));
SecretKey key = KeyManager.getInstance().generateStorageKey(salt);
// setup message id
contactId = contact.getId();
messageCount = dm.getAttributeInt(contactId, dm.MESSAGE_COUNT);
messageId = contactId + dm.MESSAGE_CLASS + String.format("%04d", messageCount);
messageCount++;
smsMessage = new SmsMessage(messageId, contact, dateNumber, content);
String encryptedContent = smsMessage.encryptToStore(key, iv);
// set attributes
dm.setAttribute(contactId, dm.MESSAGE_COUNT, messageCount);
dm.addAttribute(contactId, dm.MESSAGE_TABLE, messageId);
dm.setAttribute(messageId, dm.MESSAGE_DATE_NUMBER, dateNumber);
dm.setAttribute(messageId, dm.ENCRYPTED_CONTENT, encryptedContent);
return smsMessage;
} catch (FailedToLoadDataBaseException
| KeyStoreIsLockedException
| FailedToGenerateKeyException
| FailedToStoreException
| FailedToEncryptSmsMessageException
| FailedToGetAttributeException
| FailedToAddAttributeException exception) {
throw new FailedToCreateSmsMessageException(exception);
}
}
