Java Check.isFalse示例

示例#1

文件： EchoCommand.java 项目： hanjackcyw/concordion

  @Override
  public void verify(CommandCall commandCall, Evaluator evaluator, ResultRecorder resultRecorder) {
    Check.isFalse(
        commandCall.hasChildCommands(), "Nesting commands inside an 'echo' is not supported");

    Object result = evaluator.evaluate(commandCall.getExpression());

    Element element = commandCall.getElement();
    if (result != null) {
      element.appendText(result.toString());
    } else {
      Element child = new Element("em");
      child.appendText("null");
      element.appendChild(child);
    }
  }