org.dominokit.jacksonapt.deser.map.key.DefaultDateKeyParser Maven / Gradle / Ivy
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package org.dominokit.jacksonapt.deser.map.key;
import org.dominokit.jacksonapt.GwtIncompatible;
import org.dominokit.jacksonapt.exception.JsonDeserializationException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.util.Date;
/**
* DefaultDateKeyParser class.
*
* @author vegegoku
* @version $Id: $Id
*/
@GwtIncompatible
public class DefaultDateKeyParser implements DateKeyParser {
private static final DateTimeFormatter ISO_8601_FORMAT = DateTimeFormatter.ISO_DATE_TIME;
private static final SimpleDateFormat RFC_2822_FORMAT = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z");
/** {@inheritDoc} */
@Override
public D parse(String keyValue, DateDeserializer deserializer) {
try {
return deserializer.deserializeDate(Date.from(Instant.from(ISO_8601_FORMAT.parse(keyValue))));
} catch (IllegalArgumentException | DateTimeParseException e) {
// can happen if it's not the correct format
}
// maybe it's in milliseconds
try {
return deserializer.deserializeMillis(Long.parseLong(keyValue));
} catch (NumberFormatException e) {
// can happen if the keyValue is string-based like an ISO-8601 format
}
// or in RFC-2822
try {
return deserializer.deserializeDate(RFC_2822_FORMAT.parse(keyValue));
} catch (IllegalArgumentException | ParseException e) {
// can happen if it's not the correct format
}
throw new JsonDeserializationException("Cannot parse the keyValue '" + keyValue + "' as a date");
}
}
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