message converter

MessageConverter.java

public class MessageConverter {

    public static List<String> convertMessageError(
            final CodeLookupManager codeLookupManager,
            List<ValidationFailure> failureList) {
        List<String> messageErrors = new ArrayList<>();
        if (failureList != null) {
            String message = "Unknown error: field=[#fieldName], type=[#errorType], value=[#fieldValue]";
            for (ValidationFailure thisError : failureList) {
                message = codeLookupManager.lookupValue(
                        "errorCustom",
                        thisError.getName().concat("_")
                                .concat(thisError.getType()));
                if (StringUtils.isEmpty(message)) {
                    message = codeLookupManager.lookupValue("errorTemplates",
                            thisError.getType());
                }
                String label = codeLookupManager.lookupValue("errorLabels",
                        thisError.getName());
                if (StringUtils.isEmpty(label)) {
                    label = thisError.getName();
                }
                String errorMessage = message.replace("[#fieldName]", label);
                errorMessage = errorMessage.replace("[#errorType]",
                        thisError.getType());
                errorMessage = errorMessage.replace("[#fieldValue]", thisError
                        .getValue().toString());
                errorMessage = errorMessage.replace("[#extraInfo]",
                        thisError.getExtraInfo()[0]);
                messageErrors.add(errorMessage);
            }
        }

        return messageErrors;
    }
}