package com.fasterxml.jackson.datatype.joda.deser;
import java.io.IOException;
import org.joda.time.Duration;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonTokenId;
import com.fasterxml.jackson.databind.BeanProperty;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.deser.ContextualDeserializer;
import com.fasterxml.jackson.datatype.joda.cfg.FormatConfig;
import com.fasterxml.jackson.datatype.joda.cfg.JacksonJodaDateFormat;
import com.fasterxml.jackson.datatype.joda.cfg.JacksonJodaPeriodFormat;
Deserializes a Duration from either an int number of millis or using the Duration(Object)
constructor on a JSON string. By default the only supported string format is that used by AbstractDuration.toString()
. (That format for a 3,248 millisecond duration is "PT3.248S".) /**
* Deserializes a Duration from either an int number of millis or using the {@link Duration#Duration(Object)}
* constructor on a JSON string. By default the only supported string format is that used by {@link
* Duration#toString()}. (That format for a 3,248 millisecond duration is "PT3.248S".)
*/
public class DurationDeserializer
extends JodaDeserializerBase<Duration>
{
private static final long serialVersionUID = 1L;
protected final JacksonJodaPeriodFormat _format;
public DurationDeserializer() {
this(FormatConfig.DEFAULT_PERIOD_FORMAT);
}
public DurationDeserializer(JacksonJodaPeriodFormat format) {
super(Duration.class);
_format = format;
}
@Override
public Duration deserialize(JsonParser p, DeserializationContext ctxt) throws IOException
{
switch (p.getCurrentTokenId()) {
case JsonTokenId.ID_NUMBER_INT: // assume it's millisecond count
return new Duration(p.getLongValue());
case JsonTokenId.ID_STRING:
return _format.parsePeriod(ctxt, p.getText().trim()).toStandardDuration();
default:
}
return _handleNotNumberOrString(p, ctxt);
}
protected Duration _deserialize(DeserializationContext ctxt, String str)
throws IOException
{
if (str.length() == 0) {
if (ctxt.isEnabled(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT)) {
return null;
}
}
return Duration.parse(str);
}
}