package com.facebook.presto.jdbc.internal.jackson.datatype.joda.deser;
import java.io.IOException;
import com.facebook.presto.jdbc.internal.joda.time.LocalDate;
import com.facebook.presto.jdbc.internal.joda.time.format.DateTimeFormatter;
import com.facebook.presto.jdbc.internal.joda.time.format.ISODateTimeFormat;
import com.facebook.presto.jdbc.internal.jackson.core.JsonParser;
import com.facebook.presto.jdbc.internal.jackson.core.JsonProcessingException;
import com.facebook.presto.jdbc.internal.jackson.core.JsonToken;
import com.facebook.presto.jdbc.internal.jackson.databind.DeserializationContext;
public class LocalDateDeserializer
extends JodaDeserializerBase<LocalDate>
{
final static DateTimeFormatter parser = ISODateTimeFormat.localDateParser();
public LocalDateDeserializer() { super(LocalDate.class); }
@Override
public LocalDate deserialize(JsonParser jp, DeserializationContext ctxt)
throws IOException, JsonProcessingException
{
switch (jp.getCurrentToken()) {
case START_ARRAY:
// [yyyy,mm,dd]
if (jp.isExpectedStartArrayToken()) {
jp.nextToken(); // VALUE_NUMBER_INT
int year = jp.getIntValue();
jp.nextToken(); // VALUE_NUMBER_INT
int month = jp.getIntValue();
jp.nextToken(); // VALUE_NUMBER_INT
int day = jp.getIntValue();
if (jp.nextToken() != JsonToken.END_ARRAY) {
throw ctxt.wrongTokenException(jp, JsonToken.END_ARRAY, "after LocalDate ints");
}
return new LocalDate(year, month, day);
}
break;
case VALUE_NUMBER_INT:
return new LocalDate(jp.getLongValue());
case VALUE_STRING:
String str = jp.getText().trim();
if (str.length() == 0) { // [JACKSON-360]
return null;
}
return parser.parseLocalDate(str);
}
throw ctxt.wrongTokenException(jp, JsonToken.START_ARRAY, "expected JSON Array, String or Number");
}
}