/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.format.datetime.joda;
import java.util.Calendar;
import java.util.Date;
import org.joda.time.DateTime;
import org.joda.time.Instant;
import org.joda.time.LocalDate;
import org.joda.time.LocalDateTime;
import org.joda.time.LocalTime;
import org.joda.time.MutableDateTime;
import org.joda.time.ReadableInstant;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.ConverterRegistry;
import org.springframework.format.datetime.DateFormatterRegistrar;
/**
* Installs lower-level type converters required to integrate
* Joda-Time support into Spring's field formatting system.
*
* <p>Note: {@link JodaTimeFormatterRegistrar} installs these converters
* and relies on several of them for its formatters. Some additional
* converters are just being registered for custom conversion scenarios.
*
* @author Keith Donald
* @author Phillip Webb
* @author Juergen Hoeller
* @since 3.0
*/
final class JodaTimeConverters {
/**
* Install the converters into the converter registry.
* @param registry the converter registry
*/
@SuppressWarnings("deprecation")
public static void registerConverters(ConverterRegistry registry) {
DateFormatterRegistrar.addDateConverters(registry);
registry.addConverter(new DateTimeToLocalDateConverter());
registry.addConverter(new DateTimeToLocalTimeConverter());
registry.addConverter(new DateTimeToLocalDateTimeConverter());
registry.addConverter(new DateTimeToDateMidnightConverter());
registry.addConverter(new DateTimeToMutableDateTimeConverter());
registry.addConverter(new DateTimeToInstantConverter());
registry.addConverter(new DateTimeToDateConverter());
registry.addConverter(new DateTimeToCalendarConverter());
registry.addConverter(new DateTimeToLongConverter());
registry.addConverter(new DateToReadableInstantConverter());
registry.addConverter(new CalendarToReadableInstantConverter());
registry.addConverter(new LongToReadableInstantConverter());
registry.addConverter(new LocalDateTimeToLocalDateConverter());
registry.addConverter(new LocalDateTimeToLocalTimeConverter());
}
private static class DateTimeToLocalDateConverter implements Converter<DateTime, LocalDate> {
@Override
public LocalDate convert(DateTime source) {
return source.toLocalDate();
}
}
private static class DateTimeToLocalTimeConverter implements Converter<DateTime, LocalTime> {
@Override
public LocalTime convert(DateTime source) {
return source.toLocalTime();
}
}
private static class DateTimeToLocalDateTimeConverter implements Converter<DateTime, LocalDateTime> {
@Override
public LocalDateTime convert(DateTime source) {
return source.toLocalDateTime();
}
}
@Deprecated
private static class DateTimeToDateMidnightConverter implements Converter<DateTime, org.joda.time.DateMidnight> {
@Override
public org.joda.time.DateMidnight convert(DateTime source) {
return source.toDateMidnight();
}
}
private static class DateTimeToMutableDateTimeConverter implements Converter<DateTime, MutableDateTime> {
@Override
public MutableDateTime convert(DateTime source) {
return source.toMutableDateTime();
}
}
private static class DateTimeToInstantConverter implements Converter<DateTime, Instant> {
@Override
public Instant convert(DateTime source) {
return source.toInstant();
}
}
private static class DateTimeToDateConverter implements Converter<DateTime, Date> {
@Override
public Date convert(DateTime source) {
return source.toDate();
}
}
private static class DateTimeToCalendarConverter implements Converter<DateTime, Calendar> {
@Override
public Calendar convert(DateTime source) {
return source.toGregorianCalendar();
}
}
private static class DateTimeToLongConverter implements Converter<DateTime, Long> {
@Override
public Long convert(DateTime source) {
return source.getMillis();
}
}
/**
* Used when printing a {@code java.util.Date} field with a ReadableInstantPrinter.
* @see MillisecondInstantPrinter
* @see JodaDateTimeFormatAnnotationFormatterFactory
*/
private static class DateToReadableInstantConverter implements Converter<Date, ReadableInstant> {
@Override
public ReadableInstant convert(Date source) {
return new DateTime(source);
}
}
/**
* Used when printing a {@code java.util.Calendar} field with a ReadableInstantPrinter.
* @see MillisecondInstantPrinter
* @see JodaDateTimeFormatAnnotationFormatterFactory
*/
private static class CalendarToReadableInstantConverter implements Converter<Calendar, ReadableInstant> {
@Override
public ReadableInstant convert(Calendar source) {
return new DateTime(source);
}
}
/**
* Used when printing a Long field with a ReadableInstantPrinter.
* @see MillisecondInstantPrinter
* @see JodaDateTimeFormatAnnotationFormatterFactory
*/
private static class LongToReadableInstantConverter implements Converter<Long, ReadableInstant> {
@Override
public ReadableInstant convert(Long source) {
return new DateTime(source.longValue());
}
}
private static class LocalDateTimeToLocalDateConverter implements Converter<LocalDateTime, LocalDate> {
@Override
public LocalDate convert(LocalDateTime source) {
return source.toLocalDate();
}
}
private static class LocalDateTimeToLocalTimeConverter implements Converter<LocalDateTime, LocalTime> {
@Override
public LocalTime convert(LocalDateTime source) {
return source.toLocalTime();
}
}
}