Beispiel #1
0
  @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"));
  }
Beispiel #2
0
  /**
   * 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);
  }