org.dominokit.jackson.deser.map.key.DefaultDateKeyParser Maven / Gradle / Ivy
/*
* Copyright © 2019 Dominokit
*
* 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.dominokit.jackson.deser.map.key;
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;
import org.dominokit.jackson.GwtIncompatible;
import org.dominokit.jackson.exception.JsonDeserializationException;
/** DefaultDateKeyParser class. */
@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");
}
}