Example usage for com.vaadin.data Result getMessage

Introduction

In this page you can find the example usage for com.vaadin.data Result getMessage.

Prototype

public Optional<String> getMessage();

Source Link

Document

Returns an Optional of the result message, or an empty Optional if none.

Usage

From source file:com.haulmont.cuba.web.widgets.CubaDateField.java

License:Apache License

@Override
protected void updateInternal(String newDateString, Map<String, Integer> resolutions) {
    // CAUTION: copied from AbstractDateField
    Set<String> resolutionNames = getResolutions().map(Enum::name).collect(Collectors.toSet());
    resolutionNames.retainAll(resolutions.keySet());
    if (!isReadOnly() && (!resolutionNames.isEmpty() || newDateString != null)) {

        // Old and new dates
        final LocalDate oldDate = getValue();

        LocalDate newDate;//w  w w  .  j  ava2s  .com

        String mask = StringUtils.replaceChars(getState(false).dateMask, "#U", "__");
        if ("".equals(newDateString) || mask.equals(newDateString)) {

            newDate = null;
        } else {
            newDate = reconstructDateFromFields(resolutions, oldDate);
        }

        boolean hasChanges = !Objects.equals(dateString, newDateString) || !Objects.equals(oldDate, newDate);

        if (hasChanges) {
            dateString = newDateString;
            currentParseErrorMessage = null;
            if (newDateString == null || newDateString.isEmpty() || mask.equals(newDateString)) {
                setValue(newDate, true);
            } else {
                // invalid date string
                if (resolutions.isEmpty()) {
                    Result<LocalDate> parsedDate = handleUnparsableDateString(dateString);
                    parsedDate.ifOk(v -> setValue(v, true));
                    if (parsedDate.isError()) {
                        dateString = null;
                        currentParseErrorMessage = parsedDate.getMessage().orElse("Parsing error");

                        if (!isDifferentValue(null)) {
                            doSetValue(null);
                        } else {
                            setValue(null, true);
                        }
                    }
                } else {
                    setValue(newDate, true);
                }
            }
        }
    }
}

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