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/**
 *
 */
package com.github.jmkgreen.morphia.converters;

import com.github.jmkgreen.morphia.mapping.MappedField;
import com.github.jmkgreen.morphia.mapping.MappingException;

/**
 * @author Uwe Schaefer, ([email protected])
 * @author scotthernandez
 */
@SuppressWarnings({"unchecked", "rawtypes"})
public class CharacterConverter extends TypeConverter implements SimpleValueConverter {
    public CharacterConverter() {
        super(Character.class, char.class);
    }

    @Override
    public Object decode(Class targetClass, Object fromDBObject, MappedField optionalExtraInfo) throws MappingException {
        if (fromDBObject == null) return null;

        // TODO: Check length. Maybe "" should be null?
        return fromDBObject.toString().charAt(0);
    }

    @Override
    public Object encode(Object value, MappedField optionalExtraInfo) {
        return String.valueOf(value);
    }
}