@Test
public void registerFormatter() {
// #register-formatter
Formatters.register(
LocalTime.class,
new SimpleFormatter<LocalTime>() {
private Pattern timePattern = Pattern.compile("([012]?\\d)(?:[\\s:\\._\\-]+([0-5]\\d))?");
@Override
public LocalTime parse(String input, Locale l) throws ParseException {
Matcher m = timePattern.matcher(input);
if (!m.find()) throw new ParseException("No valid Input", 0);
int hour = Integer.valueOf(m.group(1));
int min = m.group(2) == null ? 0 : Integer.valueOf(m.group(2));
return new LocalTime(hour, min);
}
@Override
public String print(LocalTime localTime, Locale l) {
return localTime.toString("HH:mm");
}
});
// #register-formatter
Form<WithLocalTime> form = Form.form(WithLocalTime.class);
WithLocalTime obj = form.bind(ImmutableMap.of("time", "23:45")).get();
assertThat(obj.time, equalTo(new LocalTime(23, 45)));
assertThat(form.fill(obj).field("time").value(), equalTo("23:45"));
}
/**
* Retrieve a field.
*
* @param key field name
* @return the field (even if the field does not exist you get a field)
*/
public Field field(String key) {
// Value
String fieldValue = null;
if (data.containsKey(key)) {
fieldValue = data.get(key);
} else {
if (value.isPresent()) {
BeanWrapper beanWrapper = new BeanWrapperImpl(value.get());
beanWrapper.setAutoGrowNestedPaths(true);
String objectKey = key;
if (rootName != null && key.startsWith(rootName + ".")) {
objectKey = key.substring(rootName.length() + 1);
}
if (beanWrapper.isReadableProperty(objectKey)) {
Object oValue = beanWrapper.getPropertyValue(objectKey);
if (oValue != null) {
final String objectKeyFinal = objectKey;
fieldValue =
withRequestLocale(
() ->
formatters.print(
beanWrapper.getPropertyTypeDescriptor(objectKeyFinal), oValue));
}
}
}
}
// Error
List<ValidationError> fieldErrors = errors.get(key);
if (fieldErrors == null) {
fieldErrors = new ArrayList<>();
}
// Format
Tuple<String, List<Object>> format = null;
BeanWrapper beanWrapper = new BeanWrapperImpl(blankInstance());
beanWrapper.setAutoGrowNestedPaths(true);
try {
for (Annotation a : beanWrapper.getPropertyTypeDescriptor(key).getAnnotations()) {
Class<?> annotationType = a.annotationType();
if (annotationType.isAnnotationPresent(play.data.Form.Display.class)) {
play.data.Form.Display d = annotationType.getAnnotation(play.data.Form.Display.class);
if (d.name().startsWith("format.")) {
List<Object> attributes = new ArrayList<>();
for (String attr : d.attributes()) {
Object attrValue = null;
try {
attrValue = a.getClass().getDeclaredMethod(attr).invoke(a);
} catch (Exception e) {
// do nothing
}
attributes.add(attrValue);
}
format = Tuple(d.name(), attributes);
}
}
}
} catch (NullPointerException e) {
// do nothing
}
// Constraints
List<Tuple<String, List<Object>>> constraints = new ArrayList<>();
Class<?> classType = backedType;
String leafKey = key;
if (rootName != null && leafKey.startsWith(rootName + ".")) {
leafKey = leafKey.substring(rootName.length() + 1);
}
int p = leafKey.lastIndexOf('.');
if (p > 0) {
classType = beanWrapper.getPropertyType(leafKey.substring(0, p));
leafKey = leafKey.substring(p + 1);
}
if (classType != null) {
BeanDescriptor beanDescriptor =
play.data.validation.Validation.getValidator().getConstraintsForClass(classType);
if (beanDescriptor != null) {
PropertyDescriptor property = beanDescriptor.getConstraintsForProperty(leafKey);
if (property != null) {
constraints = Constraints.displayableConstraint(property.getConstraintDescriptors());
}
}
}
return new Field(this, key, constraints, format, fieldErrors, fieldValue);
}