nl.vpro.jackson2.ZonedDateTimeToJsonTimestamp Maven / Gradle / Ivy
package nl.vpro.jackson2;
import java.io.IOException;
import java.time.Instant;
import java.time.ZonedDateTime;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import static nl.vpro.jackson2.DateModule.ZONE;
public class ZonedDateTimeToJsonTimestamp {
private ZonedDateTimeToJsonTimestamp() {}
public static class Serializer extends JsonSerializer {
public static final Serializer INSTANCE = new Serializer();
@Override
public void serialize(ZonedDateTime value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
if (value == null) {
jgen.writeNull();
} else {
jgen.writeNumber(value.toInstant().toEpochMilli());
}
}
}
public static class Deserializer extends JsonDeserializer {
public static final Deserializer INSTANCE = new Deserializer();
@Override
public ZonedDateTime deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
try {
return Instant.ofEpochMilli(jp.getLongValue()).atZone(ZONE);
} catch (JsonParseException jps) {
String s = jp.getValueAsString();
if (s == null) {
return null;
}
return ZonedDateTime.parse(jp.getValueAsString());
}
}
}
}