cz.muni.fi.dndtroops.service.TroopServiceImpl.java Source code

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Here is the source code for cz.muni.fi.dndtroops.service.TroopServiceImpl.java

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package cz.muni.fi.dndtroops.service;

import cz.muni.fi.dndtroopsapi.exceptions.DnDTroopServiceException;
import cz.muni.fi.dndtroops.dao.TroopDao;
import cz.muni.fi.dndtroops.entity.Hero;
import cz.muni.fi.dndtroops.entity.Troop;
import java.math.BigDecimal;
import java.util.List;
import javax.inject.Inject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

/**
 *
 * @author Karel Auf
 */
@Service
public class TroopServiceImpl implements TroopService {

    final static Logger log = LoggerFactory.getLogger(TroopServiceImpl.class);

    @Inject
    private TroopDao troopDao;

    @Override
    public Troop createTroop(Troop t) {
        log.debug("createTroop({})", t);
        try {
            troopDao.createTroop(t);
            return t;
        } catch (Exception e) {
            throw new DnDTroopServiceException("Troop creation problem", e);
        }

    }

    @Override
    public Troop findTroopById(Long id) {
        log.debug("findTroopById({})", id);
        try {
            return troopDao.findTroopById(id);
        } catch (Exception e) {
            throw new DnDTroopServiceException("findTroopById problem", e);
        }

    }

    @Override
    public Troop findTroopByName(String troopName) {
        log.debug("findTroopByName({})", troopName);
        try {
            return troopDao.findTroopByName(troopName);
        } catch (Exception e) {
            throw new DnDTroopServiceException("findTroopByName problem", e);
        }

    }

    @Override
    public List<Troop> findAllTroops() {
        log.debug("findAllTroops({})");
        try {
            return troopDao.findAllTroops();
        } catch (Exception e) {
            throw new DnDTroopServiceException("findAllTroops problem", e);
        }

    }

    @Override
    public void addHeroToTroop(Troop troop, Hero hero) {
        log.debug("addHeroToTroop({})", troop, hero);
        if (hero.getTroop() != null) {
            throw new DnDTroopServiceException("troop for Hero already set");
        }
        if (troop.getMembers().contains(hero) == true) {
            throw new DnDTroopServiceException("hero is already in this troop");
        }
        try {
            List<Hero> list = troop.getMembers();
            list.add(hero);
            troop.setMembers(list);
            hero.setTroop(troop);
        } catch (Exception e) {
            throw new DnDTroopServiceException("addHeroToTroop problem", e);
        }

    }

    @Override
    public void removeHeroFromTroop(Troop troop, Hero hero) {
        log.debug("removeHeroToTroop({})", troop, hero);
        if (hero.getTroop() == null) {
            throw new DnDTroopServiceException("hero is not in troop");
        }
        if (hero.getTroop() != troop) {
            throw new DnDTroopServiceException("hero is in different troop");
        }
        if (troop.getMembers().contains(hero) == false) {
            throw new DnDTroopServiceException("troop doesn't contain this hero");
        }
        try {
            List<Hero> list = troop.getMembers();
            list.remove(hero);
            troop.setMembers(list);
            hero.setTroop(null);
        } catch (Exception e) {
            throw new DnDTroopServiceException("removeHeroFromTroop problem", e);
        }

    }

    @Override
    public void changeMoney(Troop troop, BigDecimal newMoney) {
        log.debug("changeMoney({})", troop, newMoney);
        try {
            troop.setMoney(newMoney);
        } catch (Exception e) {
            throw new DnDTroopServiceException("changeMoney problem", e);
        }

    }

    @Override
    public void changeMission(Troop troop, String mission) {
        log.debug("changeMission({})", troop, mission);
        try {
            troop.setMission(mission);
        } catch (Exception e) {
            throw new DnDTroopServiceException("changeMission problem", e);
        }

    }

    @Override
    public void deleteTroop(Troop t) {
        log.debug("deleteTroop({})", t);
        try {
            troopDao.deleteTroop(t);
        } catch (Exception e) {
            throw new DnDTroopServiceException("changeMission problem", e);
        }

    }

}