io.prestosql.jdbc.$internal.jackson.datatype.jsr310.deser.DurationDeserializer Maven / Gradle / Ivy
/*
* Copyright 2013 FasterXML.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may obtain
* a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the license for the specific language governing permissions and
* limitations under the license.
*/
package io.prestosql.jdbc.$internal.jackson.datatype.jsr310.deser;
import io.prestosql.jdbc.$internal.jackson.core.JsonParser;
import io.prestosql.jdbc.$internal.jackson.core.JsonToken;
import io.prestosql.jdbc.$internal.jackson.core.JsonTokenId;
import io.prestosql.jdbc.$internal.jackson.databind.DeserializationContext;
import io.prestosql.jdbc.$internal.jackson.databind.DeserializationFeature;
import io.prestosql.jdbc.$internal.jackson.datatype.jsr310.DecimalUtils;
import java.io.IOException;
import java.math.BigDecimal;
import java.time.DateTimeException;
import java.time.Duration;
/**
* Deserializer for Java 8 temporal {@link Duration}s.
*
* @author Nick Williams
* @since 2.2.0
*/
public class DurationDeserializer extends JSR310DeserializerBase
{
private static final long serialVersionUID = 1L;
public static final DurationDeserializer INSTANCE = new DurationDeserializer();
private DurationDeserializer()
{
super(Duration.class);
}
@Override
public Duration deserialize(JsonParser parser, DeserializationContext context) throws IOException
{
switch (parser.getCurrentTokenId())
{
case JsonTokenId.ID_NUMBER_FLOAT:
BigDecimal value = parser.getDecimalValue();
return DecimalUtils.extractSecondsAndNanos(value, Duration::ofSeconds);
case JsonTokenId.ID_NUMBER_INT:
if(context.isEnabled(DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS)) {
return Duration.ofSeconds(parser.getLongValue());
}
return Duration.ofMillis(parser.getLongValue());
case JsonTokenId.ID_STRING:
String string = parser.getText().trim();
if (string.length() == 0) {
return null;
}
try {
return Duration.parse(string);
} catch (DateTimeException e) {
return _handleDateTimeException(context, e, string);
}
case JsonTokenId.ID_EMBEDDED_OBJECT:
// 20-Apr-2016, tatu: Related to [databind#1208], can try supporting embedded
// values quite easily
return (Duration) parser.getEmbeddedObject();
case JsonTokenId.ID_START_ARRAY:
return _deserializeFromArray(parser, context);
}
return _handleUnexpectedToken(context, parser, JsonToken.VALUE_STRING,
JsonToken.VALUE_NUMBER_INT, JsonToken.VALUE_NUMBER_FLOAT);
}
}