package com.facebook.presto.jdbc.internal.jackson.datatype.joda.deser;
import java.io.IOException;
import com.facebook.presto.jdbc.internal.joda.time.LocalDateTime;
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 LocalDateTimeDeserializer
extends JodaDeserializerBase<LocalDateTime>
{
private static final long serialVersionUID = 1L;
final static DateTimeFormatter parser = ISODateTimeFormat.localDateOptionalTimeParser();
public LocalDateTimeDeserializer() { super(LocalDateTime.class); }
@Override
public LocalDateTime deserialize(JsonParser jp, DeserializationContext ctxt)
throws IOException, JsonProcessingException
{
switch (jp.getCurrentToken()) {
case START_ARRAY:
// [yyyy,mm,dd,hh,MM,ss,ms]
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();
jp.nextToken(); // VALUE_NUMBER_INT
int hour = jp.getIntValue();
jp.nextToken(); // VALUE_NUMBER_INT
int minute = jp.getIntValue();
jp.nextToken(); // VALUE_NUMBER_INT
int second = jp.getIntValue();
jp.nextToken(); // VALUE_NUMBER_INT | END_ARRAY
// let's leave milliseconds optional?
int millisecond = 0;
if (jp.getCurrentToken() != JsonToken.END_ARRAY) { // VALUE_NUMBER_INT
millisecond = jp.getIntValue();
jp.nextToken(); // END_ARRAY?
}
if (jp.getCurrentToken() != JsonToken.END_ARRAY) {
throw ctxt.wrongTokenException(jp, JsonToken.END_ARRAY, "after LocalDateTime ints");
}
return new LocalDateTime(year, month, day, hour, minute, second, millisecond);
}
break;
case VALUE_NUMBER_INT:
return new LocalDateTime(jp.getLongValue());
case VALUE_STRING:
String str = jp.getText().trim();
if (str.length() == 0) { // [JACKSON-360]
return null;
}
return parser.parseLocalDateTime(str);
default:
}
throw ctxt.wrongTokenException(jp, JsonToken.START_ARRAY, "expected JSON Array, Number or String");
}
}