SmsCharacterCalculator.java 文件源码

@Override
public CharacterState calculateCharacters(String messageBody) {

  int[] length            = SmsMessage.calculateLength(messageBody, false);
  int messagesSpent       = length[0];
  int charactersSpent     = length[1];
  int charactersRemaining = length[2];

  int maxMessageSize;

  if (messagesSpent > 0) {
    maxMessageSize = (charactersSpent + charactersRemaining) / messagesSpent;
  } else {
    maxMessageSize = (charactersSpent + charactersRemaining);
  }

  return new CharacterState(messagesSpent, charactersRemaining, maxMessageSize);
}