io.prestosql.jdbc.$internal.jackson.datatype.joda.deser.MonthDayDeserializer Maven / Gradle / Ivy

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package io.prestosql.jdbc.$internal.jackson.datatype.joda.deser;

import java.io.IOException;

import io.prestosql.jdbc.$internal.jackson.datatype.joda.cfg.FormatConfig;
import io.prestosql.jdbc.$internal.jackson.datatype.joda.cfg.JacksonJodaDateFormat;
import io.prestosql.jdbc.$internal.joda.time.MonthDay;

import io.prestosql.jdbc.$internal.jackson.core.JsonParser;
import io.prestosql.jdbc.$internal.jackson.core.JsonToken;
import io.prestosql.jdbc.$internal.jackson.databind.DeserializationContext;

/**
 * A Jackson deserializer for Joda MonthDay objects.
 * 
 * Expects a string value compatible with MonthDay's parse operation.
 */
public class MonthDayDeserializer extends JodaDateDeserializerBase
{
    private static final long serialVersionUID = 1L;

    public MonthDayDeserializer() {
        this(FormatConfig.DEFAULT_MONTH_DAY_FORMAT);
    }

    public MonthDayDeserializer(JacksonJodaDateFormat format) {
        super(MonthDay.class, format);
    }

    @Override
    public JodaDateDeserializerBase withFormat(JacksonJodaDateFormat format) {
        return new MonthDayDeserializer(format);
    }

    @Override
    public MonthDay deserialize(final JsonParser p, final DeserializationContext ctxt) throws IOException
    {
        JsonToken t = p.getCurrentToken();
        if (t == JsonToken.VALUE_STRING)
        {
            String str = p.getText().trim();
            if (str.isEmpty()) {
                return getNullValue(ctxt);
            }
            return MonthDay.parse(str, this._format.createParser(ctxt));
        }
        return (MonthDay) ctxt.handleUnexpectedToken(handledType(), p.getCurrentToken(), p,
                "expected JSON String");
    }
}