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

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

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package cz.muni.fi.dndtroops.service;

import cz.muni.fi.dndtroopsapi.exceptions.DnDTroopServiceException;
import cz.muni.fi.dndtroops.dao.HeroDao;
import cz.muni.fi.dndtroops.entity.Hero;
import cz.muni.fi.dndtroops.entity.Troop;
import cz.muni.fi.dndtroops.enums.RoleName;
import cz.muni.fi.dndtroops.exception.ConnectionException;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import org.springframework.stereotype.Service;

/**
 *
 * @author Karel Auf
 */
@Service
public class HeroServiceImpl implements HeroService {

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

    @Inject
    private HeroDao heroDao;

    @Override
    public Hero createHero(Hero h) {
        log.debug("createHero({})", h);
        try {
            heroDao.createHero(h);
            return h;
        } catch (Exception ex) {
            throw new DnDTroopServiceException("Invalid parameters", ex);
        }

    }

    @Override
    public Hero findHeroById(Long id) {
        log.debug("findHeroById({})", id);
        try {
            return heroDao.findById(id);
        } catch (ConnectionException ex) {
            throw new DnDTroopServiceException("Invalid id", ex);
        }
    }

    @Override
    public Hero findHeroByName(String heroName) {
        log.debug("findHeroByName({})", heroName);
        try {
            return heroDao.findByName(heroName);
        } catch (Exception ex) {
            throw new DnDTroopServiceException("Invalid name", ex);
        }
    }

    @Override
    public List<Hero> findAllHeroes() {
        log.debug("findAllHeroes({})");
        try {
            return heroDao.findAll();
        } catch (ConnectionException ex) {
            throw new DnDTroopServiceException("Connection problem", ex);
        }
    }

    @Override
    public void addTroop(Hero hero, Troop troop) {
        log.debug("addTroop({})", hero, troop);
        if (hero.getTroop() != null) {
            throw new DnDTroopServiceException("Aready in troop");
        }
        if (troop.getId() == null) {
            throw new DnDTroopServiceException("Troop not in DB");
        }
        try {
            hero.setTroop(troop);
            List<Hero> list = troop.getMembers();
            list.add(hero);
            troop.setMembers(list);
        } catch (Exception ex) {
            throw new DnDTroopServiceException("addTroop problem", ex);
        }

    }

    @Override
    public void removeTroop(Hero hero) {
        log.debug("removeTroop({})", hero);
        if (hero.getTroop() == null) {
            throw new DnDTroopServiceException("Hero not in troop.");
        }
        try {
            Troop t = hero.getTroop();
            List<Hero> list = t.getMembers();
            list.remove(hero);
            t.setMembers(list);
            hero.setTroop(null);
        } catch (Exception ex) {
            throw new DnDTroopServiceException("removeTroop problem", ex);
        }

    }

    @Override
    public void changeLevel(Hero hero, int lvl) {
        log.debug("changeLevel({})", hero, lvl);
        try {
            hero.setLevel(lvl);
        } catch (Exception ex) {
            throw new DnDTroopServiceException("Hero doesn't exist", ex);
        }
    }

    @Override
    public void changeRole(Hero hero, RoleName role) {
        log.debug("changeRole({})", hero, role);
        try {
            hero.setRole(role);
        } catch (Exception ex) {
            throw new DnDTroopServiceException("Hero doesn't exist", ex);
        }
    }

    @Override
    public void deleteHero(Hero h) {
        log.debug("deleteHero({})", h);
        try {
            heroDao.deleteHero(h);
        } catch (Exception ex) {
            throw new DnDTroopServiceException("Hero doesn't exist", ex);
        }
    }

}