/*
* 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.standard;
import java.text.ParseException;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.OffsetDateTime;
import java.time.OffsetTime;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.TemporalAccessor;
import java.util.Locale;
import org.springframework.format.Parser;
import org.springframework.lang.UsesJava8;
/**
* {@link Parser} implementation for a JSR-310 {@link java.time.temporal.TemporalAccessor},
* using a {@link java.time.format.DateTimeFormatter}) (the contextual one, if available).
*
* @author Juergen Hoeller
* @since 4.0
* @see DateTimeContextHolder#getFormatter
* @see java.time.LocalDate#parse(CharSequence, java.time.format.DateTimeFormatter)
* @see java.time.LocalTime#parse(CharSequence, java.time.format.DateTimeFormatter)
* @see java.time.LocalDateTime#parse(CharSequence, java.time.format.DateTimeFormatter)
* @see java.time.ZonedDateTime#parse(CharSequence, java.time.format.DateTimeFormatter)
* @see java.time.OffsetDateTime#parse(CharSequence, java.time.format.DateTimeFormatter)
* @see java.time.OffsetTime#parse(CharSequence, java.time.format.DateTimeFormatter)
*/
@UsesJava8
public final class TemporalAccessorParser implements Parser<TemporalAccessor> {
private final Class<? extends TemporalAccessor> temporalAccessorType;
private final DateTimeFormatter formatter;
/**
* Create a new TemporalAccessorParser for the given TemporalAccessor type.
* @param temporalAccessorType the specific TemporalAccessor class
* (LocalDate, LocalTime, LocalDateTime, ZonedDateTime, OffsetDateTime, OffsetTime)
* @param formatter the base DateTimeFormatter instance
*/
public TemporalAccessorParser(Class<? extends TemporalAccessor> temporalAccessorType, DateTimeFormatter formatter) {
this.temporalAccessorType = temporalAccessorType;
this.formatter = formatter;
}
@Override
public TemporalAccessor parse(String text, Locale locale) throws ParseException {
DateTimeFormatter formatterToUse = DateTimeContextHolder.getFormatter(this.formatter, locale);
if (LocalDate.class.equals(this.temporalAccessorType)) {
return LocalDate.parse(text, formatterToUse);
}
else if (LocalTime.class.equals(this.temporalAccessorType)) {
return LocalTime.parse(text, formatterToUse);
}
else if (LocalDateTime.class.equals(this.temporalAccessorType)) {
return LocalDateTime.parse(text, formatterToUse);
}
else if (ZonedDateTime.class.equals(this.temporalAccessorType)) {
return ZonedDateTime.parse(text, formatterToUse);
}
else if (OffsetDateTime.class.equals(this.temporalAccessorType)) {
return OffsetDateTime.parse(text, formatterToUse);
}
else if (OffsetTime.class.equals(this.temporalAccessorType)) {
return OffsetTime.parse(text, formatterToUse);
}
else {
throw new IllegalStateException("Unsupported TemporalAccessor type: " + this.temporalAccessorType);
}
}
}