S3ExceptionUnmarshaller.java 文件源码

@Override
public SdkServiceException unmarshall(Node in) throws Exception {

    XPath xpath = xpath();

    String error = asString("Error/Code", in, xpath);
    String requestId = asString("Error/RequestId", in, xpath);
    String message = asString("Error/Message", in, xpath);

    if (!StringUtils.equals(error, this.errorCode)) {
        return null;
    }

    SdkServiceException exception = newException(message);
    exception.errorCode(errorCode);
    exception.requestId(requestId);

    return exception;
}