fr.hoteia.qalingo.core.service.impl.ReferentialDataServiceImpl.java Source code

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Here is the source code for fr.hoteia.qalingo.core.service.impl.ReferentialDataServiceImpl.java

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/**
 * Most of the code in the Qalingo project is copyrighted Hoteia and licensed
 * under the Apache License Version 2.0 (release version 0.7.0)
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *                   Copyright (c) Hoteia, 2012-2013
 * http://www.hoteia.com - http://twitter.com/hoteia - contact@hoteia.com
 *
 */
package fr.hoteia.qalingo.core.service.impl;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.Set;

import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import fr.hoteia.qalingo.core.Constants;
import fr.hoteia.qalingo.core.service.ReferentialDataService;

@Service("referentialDataService")
@Transactional
public class ReferentialDataServiceImpl implements ReferentialDataService {

    Map<Locale, Map<String, String>> titlesByLocale = new HashMap<Locale, Map<String, String>>();

    Map<Locale, Map<String, String>> countriesByLocale = new HashMap<Locale, Map<String, String>>();

    public String getTitleByLocale(final String titleCode, final Locale locale) {
        Map<String, String> titlesResourceByLocale = getTitlesByLocale(locale);
        String title = titlesResourceByLocale.get(titleCode);
        if (StringUtils.isEmpty(title)) {
            title = titlesResourceByLocale.get(Constants.TITLE_MESSAGE_PREFIX + titleCode);
        }
        return title;
    }

    public Map<String, String> getTitlesByLocale(final Locale locale) {
        Map<String, String> titlesMapByLocale = titlesByLocale.get(locale);
        if (titlesMapByLocale == null) {
            ResourceBundle titlesBundleByLocale = getTitlesBundleByLocale(locale);
            if (titlesBundleByLocale != null) {
                titlesByLocale.put(locale, buildMap(titlesBundleByLocale));
                titlesMapByLocale = titlesByLocale.get(locale);
            } else {
                titlesMapByLocale = getTitlesByLocale(Locale.ENGLISH);
            }
        }
        return titlesMapByLocale;
    }

    public String getCountryByLocale(final String countryCode, final Locale locale) {
        Map<String, String> countriesResourceBundle = getCountriesByLocale(locale);
        String country = countriesResourceBundle.get(countryCode);
        if (StringUtils.isEmpty(country)) {
            country = countriesResourceBundle.get(Constants.COUNTRY_MESSAGE_PREFIX + countryCode);
        }
        return country;
    }

    public Map<String, String> getCountriesByLocale(final Locale locale) {
        Map<String, String> countriesMapByLocale = countriesByLocale.get(locale);
        if (countriesMapByLocale == null) {
            ResourceBundle countriesBundleByLocale = getCountriesBundleByLocale(locale);
            if (countriesBundleByLocale != null) {
                countriesByLocale.put(locale, buildMap(countriesBundleByLocale));
                countriesMapByLocale = countriesByLocale.get(locale);
            } else {
                countriesMapByLocale = getCountriesByLocale(Locale.ENGLISH);
            }
        }
        return countriesMapByLocale;
    }

    private ResourceBundle getTitlesBundleByLocale(final Locale locale) {
        return ResourceBundle.getBundle(Constants.TITLES_RESOURCE_BUNDLE, locale);
    }

    private ResourceBundle getCountriesBundleByLocale(final Locale locale) {
        return ResourceBundle.getBundle(Constants.COUNTRIES_RESOURCE_BUNDLE, locale);
    }

    private Map<String, String> buildMap(final ResourceBundle bundleByLocale) {
        Map<String, String> mapByLocale = new HashMap<String, String>();
        Set<String> keyList = bundleByLocale.keySet();
        for (Iterator<String> iterator = keyList.iterator(); iterator.hasNext();) {
            final String key = (String) iterator.next();
            mapByLocale.put(key, (String) bundleByLocale.getObject(key));
        }
        return mapByLocale;
    }

}