Java 类javax.json.bind.annotation.JsonbNumberFormat 实例源码

/**
 * Search {@link JsonbNumberFormat} on property, if not found looks at annotations declared on property type class.
 *
 * @param property Property to search on.
 * @return  Map of {@link JsonbNumberFormatter} instances categorized by their scopes (class, property, getter or setter). If there is no number
 * formatter specified for given property, an empty map would be returned
 */
public Map<AnnotationTarget, JsonbNumberFormatter> getJsonNumberFormatter(Property property) {
    Map<AnnotationTarget, JsonbNumberFormatter> result = new HashMap<>();
    Map<AnnotationTarget, JsonbNumberFormat> annotationFromPropertyCategorized = getAnnotationFromPropertyCategorized(JsonbNumberFormat.class, property);
    if(annotationFromPropertyCategorized.size() == 0) {
        final Optional<Class<?>> propertyRawTypeOptional = ReflectionUtils.getOptionalRawType(property.getPropertyType());
        if (propertyRawTypeOptional.isPresent()) {
            Class<?> rawType = propertyRawTypeOptional.get();
            if (!Number.class.isAssignableFrom(rawType)) {
                return new HashMap<>();
            }
        }
    } else {
        annotationFromPropertyCategorized.forEach((key, annotation) -> result.put(key, new JsonbNumberFormatter(annotation.value(), annotation.locale())));
    }

    JsonbNumberFormat classLevelNumberFormatter = findAnnotation(property.getDeclaringClassElement().getAnnotations(), JsonbNumberFormat.class);
    if(classLevelNumberFormatter != null) {
        result.put(AnnotationTarget.CLASS, new JsonbNumberFormatter(classLevelNumberFormatter.value(), classLevelNumberFormatter.locale()));
    }

    return result;
}

/**
 * Search for {@link JsonbNumberFormat} annotation on java class.
 *
 * @param clazzElement class to search not null
 * @return formatter to use
 */
public JsonbNumberFormatter getJsonbNumberFormat(JsonbAnnotatedElement<Class<?>> clazzElement) {
    final JsonbNumberFormat formatAnnotation = findAnnotation(clazzElement.getAnnotations(), JsonbNumberFormat.class);
    if (formatAnnotation == null) {
        return null;
    }
    return new JsonbNumberFormatter(formatAnnotation.value(), formatAnnotation.locale());
}

public JsonbNumberFormatter getConstructorNumberFormatter(JsonbAnnotatedElement<Parameter> param) {
    JsonbNumberFormat annotation = param.getAnnotation(JsonbNumberFormat.class);
    if (annotation != null) {
        return new JsonbNumberFormatter(annotation.value(), annotation.locale());
    }
    return null;
}

public JsonbNumberConverter(final JsonbNumberFormat numberFormat) {
    final String locale = numberFormat.locale();
    final String format = numberFormat.value();
    final boolean customLocale = !JsonbNumberFormat.DEFAULT_LOCALE.equals(locale);
    if (format.isEmpty() && customLocale) {
        delegateFactory = () -> NumberFormat.getInstance(newLocale(locale));
    } else if (format.isEmpty()) {
        delegateFactory = NumberFormat::getInstance;
    } else if (customLocale) {
        delegateFactory = () -> new DecimalFormat(format, DecimalFormatSymbols.getInstance(newLocale(locale)));
    } else {
        delegateFactory = () -> new DecimalFormat(format);
    }
}

private void validateAnnotations(final Object parameter,
                                 final JsonbTypeAdapter adapter, final JsonbDateFormat dateFormat,
                                 final JsonbNumberFormat numberFormat,
                                 final JohnzonConverter johnzonConverter) {
    int notNull = adapter != null ? 1 : 0;
    notNull += dateFormat != null ? 1 : 0;
    notNull += numberFormat != null ? 1 : 0;
    notNull += johnzonConverter != null ? 1 : 0;
    if (notNull > 1) {
        throw new IllegalArgumentException("Conflicting @JsonbXXX/@JohnzonConverter on " + parameter);
    }
}

private Adapter<?, ?> toConverter(final Type type,
                                  final JsonbTypeAdapter adapter, final JsonbDateFormat dateFormat,
                                  final JsonbNumberFormat numberFormat) throws InstantiationException, IllegalAccessException {
    final Adapter converter;
    if (adapter != null) {
        final Class<? extends JsonbAdapter> value = adapter.value();
        final ParameterizedType pt = findPt(value, JsonbAdapter.class);
        if (pt == null) {
            throw new IllegalArgumentException(value + " doesn't implement JsonbAdapter");
        }
        final JohnzonAdapterFactory.Instance<? extends JsonbAdapter> instance = newInstance(value);
        toRelease.add(instance);
        final Type[] actualTypeArguments = pt.getActualTypeArguments();
        converter = new JohnzonJsonbAdapter(instance.getValue(), actualTypeArguments[0], actualTypeArguments[1]);
    } else if (dateFormat != null) { // TODO: support lists, LocalDate?
        if (Date.class == type) {
            converter = new ConverterAdapter<>(new JsonbDateConverter(dateFormat));
        } else if (LocalDateTime.class == type) {
            converter = new ConverterAdapter<>(new JsonbLocalDateTimeConverter(dateFormat));
        } else if (LocalDate.class == type) {
            converter = new ConverterAdapter<>(new JsonbLocalDateConverter(dateFormat));
        } else if (ZonedDateTime.class == type) {
            converter = new ConverterAdapter<>(new JsonbZonedDateTimeConverter(dateFormat));
        } else {
            throw new IllegalArgumentException(type + " not a supported date type");
        }
    } else if (numberFormat != null) {  // TODO: support lists?
        converter = new ConverterAdapter<>(new JsonbNumberConverter(numberFormat));
    } else {
        converter = new ConverterAdapter<>(new JsonbValueConverter());
    }
    return converter;
}

@JsonbNumberFormat("000.00000000")
public Double getDoubleGetterFormatted() {
    return doubleGetterFormatted;
}

@JsonbNumberFormat(value = "000,000", locale = "da-da")
public void setDoubleSetterFormatted(Double doubleSetterFormatted) {
    this.doubleSetterFormatted = doubleSetterFormatted;
}

@JsonbNumberFormat(value = "000,000", locale = "da-da")
public void setDoubleSetterAndPropertyFormatter(Double doubleSetterAndPropertyFormatter) {
    this.doubleSetterAndPropertyFormatter = doubleSetterAndPropertyFormatter;
}

@JsonbNumberFormat("000.00000000")
public Double getDoubleGetterFormatted() {
    return doubleGetterFormatted;
}

@JsonbNumberFormat(value = "000,000", locale = "da-da")
public void setDoubleSetterFormatted(Double doubleSetterFormatted) {
    this.doubleSetterFormatted = doubleSetterFormatted;
}

@JsonbNumberFormat(value = "000,000", locale = "da-da")
public void setDoubleSetterAndPropertyFormatter(Double doubleSetterAndPropertyFormatter) {
    this.doubleSetterAndPropertyFormatter = doubleSetterAndPropertyFormatter;
}

@JsonbCreator
public static FactoryNumberParam createInstance(
        @JsonbProperty("number") @JsonbNumberFormat(value = "000.000", locale = "en-us")
                BigDecimal number) {
    return new FactoryNumberParam(number);
}