com.facebook.presto.jdbc.internal.jackson.datatype.joda.deser.LocalDateDeserializer Maven / Gradle / Ivy
package com.facebook.presto.jdbc.internal.jackson.datatype.joda.deser;
import java.io.IOException;
import com.facebook.presto.jdbc.internal.joda.time.DateTimeZone;
import com.facebook.presto.jdbc.internal.joda.time.LocalDate;
import com.facebook.presto.jdbc.internal.jackson.core.JsonParser;
import com.facebook.presto.jdbc.internal.jackson.core.JsonToken;
import com.facebook.presto.jdbc.internal.jackson.core.JsonTokenId;
import com.facebook.presto.jdbc.internal.jackson.databind.DeserializationContext;
import com.facebook.presto.jdbc.internal.jackson.datatype.joda.cfg.FormatConfig;
import com.facebook.presto.jdbc.internal.jackson.datatype.joda.cfg.JacksonJodaDateFormat;
public class LocalDateDeserializer
extends JodaDateDeserializerBase
{
private static final long serialVersionUID = 1L;
public LocalDateDeserializer() {
this(FormatConfig.DEFAULT_LOCAL_DATEONLY_FORMAT);
}
public LocalDateDeserializer(JacksonJodaDateFormat format) {
super(LocalDate.class, format);
}
@Override
public JodaDateDeserializerBase withFormat(JacksonJodaDateFormat format) {
return new LocalDateDeserializer(format);
}
@Override
public LocalDate deserialize(JsonParser p, DeserializationContext ctxt) throws IOException
{
switch (p.getCurrentTokenId()) {
case JsonTokenId.ID_STRING:
String str = p.getText().trim();
return (str.length() == 0) ? null
: _format.createParser(ctxt).parseLocalDate(str);
case JsonTokenId.ID_NUMBER_INT:
{
DateTimeZone tz = _format.isTimezoneExplicit() ? _format.getTimeZone() : DateTimeZone.forTimeZone(ctxt.getTimeZone());
return new LocalDate(p.getLongValue(), tz);
}
case JsonTokenId.ID_START_ARRAY:
// [yyyy,mm,dd] or ["yyyy","mm","dd"]
int year = p.nextIntValue(-1); // fast speculative case
if (year == -1) { // either -1, or not an integral number; slow path
year = _parseIntPrimitive(p, ctxt);
}
int month = p.nextIntValue(-1);
if (month == -1) {
month = _parseIntPrimitive(p, ctxt);
}
int day = p.nextIntValue(-1);
if (day == -1) {
day = _parseIntPrimitive(p, ctxt);
}
if (p.nextToken() != JsonToken.END_ARRAY) {
throw ctxt.wrongTokenException(p, handledType(), JsonToken.END_ARRAY, "after LocalDate ints");
}
return new LocalDate(year, month, day);
}
return (LocalDate) ctxt.handleUnexpectedToken(handledType(), p.getCurrentToken(), p,
"expected String, Number or JSON Array");
}
}