com.julienlavergne.core.converters.DateTimeConverter Maven / Gradle / Ivy

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package com.julienlavergne.core.converters;

import com.github.jmkgreen.morphia.converters.SimpleValueConverter;
import com.github.jmkgreen.morphia.converters.TypeConverter;
import com.github.jmkgreen.morphia.mapping.MappedField;
import com.github.jmkgreen.morphia.mapping.MappingException;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;


/**
 * Created with IntelliJ IDEA.
 * com.julienlavergne.core.User: julien
 * Date: 8/23/12
 * Time: 22:53
 * To change this template use File | Settings | File Templates.
 */

public final class DateTimeConverter extends TypeConverter implements SimpleValueConverter {
    public DateTimeConverter() {
        super(DateTime.class);
    }
    @Override
    public final Object encode(Object value, MappedField optionalExtraInfo) throws MappingException {
        if (value == null) {
            return null;
        }
        if (!(value instanceof DateTime)) {
            throw new MappingException("Unable to convert " + value.getClass().getName());
        }
        //Returns a formatter that combines a full date and time, separated by a 'T' (yyyy-MM-dd'T'HH:mm:ss.SSSZZ).
        DateTimeFormatter dtf = ISODateTimeFormat.dateTime();
        return dtf.print((DateTime) value);
    }
    @Override
    public DateTime decode(Class targetClass, Object fromDBObject, MappedField optionalExtraInfo)  {
        try{
        if (fromDBObject == null) {
            return null;
        }
        if (fromDBObject instanceof String) {
            return DateTime.parse((String) fromDBObject);
        }

        }
        catch(MappingException e){

        }
        catch(IllegalArgumentException e)
        {

        }

        return null;
        //throw new MappingException("Unable to convert " + fromDBObject.getClass().getName());
    }
}