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package com.alogient.cameleon.sdk.content.service.impl;

import com.alogient.cameleon.sdk.common.dao.model.Culture;
import com.alogient.cameleon.sdk.content.dao.CultureDao;
import com.alogient.cameleon.sdk.content.service.CultureService;
import com.alogient.cameleon.sdk.content.vo.CultureVo;

import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

public class CultureServiceImpl implements CultureService {
    /**
     * Culture data access object
     */
    private CultureDao cultureDao;

    /**
     * @param cultureDao the cultureDao to set
     */
    public void setCultureDao(CultureDao cultureDao) {
        this.cultureDao = cultureDao;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Collection getCultures() {
        List cultures = cultureDao.getCultures();

        // If the dao returns null, don't crash
        if (cultures == null) {
            return Collections.emptySet();
        }

        Set cultureVos = new LinkedHashSet(cultures.size());

        for (Culture culture : cultures) {
            cultureVos.add(new CultureVo(culture));
        }

        return cultureVos;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public CultureVo getDefaultCulture() {
        // FIXME Reimplement to use as DB flag (when flag available)
        Culture defaultCulture = cultureDao.getCulture(1);

        if (defaultCulture != null) {
            return new CultureVo(defaultCulture);
        } else {
            // We migth consider good practice to throw an exception in this case
            return null;
        }
    }

}