Edit

 * @date 24.03.2017

 *

 */

    private List<IoInfo> errors = new ArrayList<>();

    private List<IoInfo> warnings = new ArrayList<>();

    private List<IoInfo> exceptions = new ArrayList<>();

    public class IoInfo implements Serializable{

        String message;

        Exception exception;

        String location;

        }

    }

// ************* GETTERS / SETTERS / ADDERS ***********************/

    public List<IoInfo> getErrors() {return errors;}

    public void addWarning(String warning) {

//       warnings.add(warning.getBytes(StandardCharsets.UTF_8));

        warnings.add(new IoInfo(warning, null));

    }

    public void addWarning(String message, int location) {

        warnings.add(new IoInfo(message, null, String.valueOf(location)));

            for (IoInfo ioInfo : list){

                String location = ioInfo.location == null ? "" : (ioInfo.location + ": ");

                String message = ioInfo.message != null ? ioInfo.message : ioInfo.exception != null ? ioInfo.exception.getMessage() : "";

                message = StringUtils.isBlank(message)? "no message" : message;

                String available = (stacktrace != null ? " (stacktrace available)" : "");

                report.append("\n" + location + message + available);

            }