be.yildizgames.engine.feature.city.protocol.mapper.CityIdMapper Maven / Gradle / Ivy
/*
* This file is part of the Yildiz-Engine project, licenced under the MIT License (MIT)
*
* Copyright (c) 2018 Grégory Van den Borre
*
* More infos available: https://www.yildiz-games.be
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including without
* limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
* OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
package be.yildizgames.engine.feature.city.protocol.mapper;
import be.yildizgames.common.mapping.MappingException;
import be.yildizgames.common.mapping.ObjectMapper;
import be.yildizgames.engine.feature.city.CityId;
/**
* @author Grégory Van den Borre
*/
public class CityIdMapper implements ObjectMapper {
private static final CityIdMapper INSTANCE = new CityIdMapper();
private CityIdMapper() {
super();
}
public static CityIdMapper getInstance() {
return INSTANCE;
}
@Override
public CityId from(String s) throws MappingException {
assert s != null;
try {
return CityId.valueOf(Integer.parseInt(s));
} catch (final NumberFormatException nfe) {
throw new MappingException("Error retrieving id", nfe);
}
}
@Override
public String to(CityId cityId) {
assert cityId != null;
return String.valueOf(cityId.value);
}
}