
com.nedap.archie.json.DateTimeSerializer Maven / Gradle / Ivy
package com.nedap.archie.json;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.nedap.archie.adlparser.treewalkers.TemporalConstraintParser;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.OffsetDateTime;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeFormatterBuilder;
import java.time.temporal.ChronoField;
import java.time.temporal.TemporalAccessor;
/**
* Created by pieter.bos on 30/09/16.
*/
public class DateTimeSerializer extends JsonSerializer {
public static final DateTimeFormatter ISO_8601_DATE_TIME = new DateTimeFormatterBuilder()
.parseCaseInsensitive()
.appendValue(ChronoField.YEAR)
.appendLiteral('-')
.appendValue(ChronoField.MONTH_OF_YEAR, 2)
.appendLiteral('-')
.appendValue(ChronoField.DAY_OF_MONTH, 2)
.appendLiteral('T')
.appendValue(ChronoField.HOUR_OF_DAY, 2)
.optionalStart()
.appendLiteral(':')
.appendValue(ChronoField.MINUTE_OF_HOUR, 2)
.optionalStart()
.appendLiteral(':')
.appendValue(ChronoField.SECOND_OF_MINUTE, 2)
.optionalStart()
.appendLiteral(',')
.appendFraction(ChronoField.MICRO_OF_SECOND, 1, 6, false)
.optionalEnd()
.optionalEnd()
.optionalEnd()
.optionalStart()
.appendOffset("+HHMM", "Z")
.optionalEnd()
.toFormatter();
public static final DateTimeFormatter ISO_8601_DATE_TIME_WITHOUT_MICROS = new DateTimeFormatterBuilder()
.parseCaseInsensitive()
.appendValue(ChronoField.YEAR)
.appendLiteral('-')
.appendValue(ChronoField.MONTH_OF_YEAR, 2)
.appendLiteral('-')
.appendValue(ChronoField.DAY_OF_MONTH, 2)
.appendLiteral('T')
.appendValue(ChronoField.HOUR_OF_DAY, 2)
.optionalStart()
.appendLiteral(':')
.appendValue(ChronoField.MINUTE_OF_HOUR, 2)
.optionalStart()
.appendLiteral(':')
.appendValue(ChronoField.SECOND_OF_MINUTE, 2)
.optionalEnd()
.optionalEnd()
.optionalStart()
.appendOffset("+HHMM", "Z")
.optionalEnd()
.toFormatter();
@Override
public void serialize(TemporalAccessor temporalAccessor, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
if(temporalAccessor == null) {
jsonGenerator.writeString("");
}
if(temporalAccessor.isSupported(ChronoField.MICRO_OF_SECOND) && temporalAccessor.get(ChronoField.MICRO_OF_SECOND) != 0l) {
jsonGenerator.writeString(ISO_8601_DATE_TIME.format(temporalAccessor));
} else {
jsonGenerator.writeString(ISO_8601_DATE_TIME_WITHOUT_MICROS.format(temporalAccessor));
}
}
}
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