Kawai Wiki

package org.kawai.model;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import org.mentawai.list.ListData;
import org.mentawai.list.SimpleListData;

/**
 * Model class Language.
 *
 * @author Sergio Oliveira
 *
 */
public class Language {

    /** Attribute LANGUAGES of Language. */
    private static final List<Language> LANGUAGES = new ArrayList<Language>(16);

    /** Attribute id of Language. */
    private final int id;
    /** Attribute name of Language. */
    private final String name;
    /** Attribute loc of Language. */
    private final Locale loc;
    /** Attribute imageFile of Language. */
    private final String imageFile;

    public Language(int code, String name, String locale, String imageFile) {
        this.id = code;
        this.name = name;
        this.loc = getLocaleFromString(locale);
        this.imageFile = imageFile;
    }

    public Language(int code, String name, String locale) {
        this(code, name, locale, null);
    }

    public static void add(Language language) {
        LANGUAGES.add(language);
    }

    public static Language getDefault() {
        if (LANGUAGES.isEmpty()) throw new IllegalStateException("No languages were defined!");
        return LANGUAGES.get(0);
    }

    public int getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public Locale getLocale() {
        return loc;
    }

    public String getImageFile() {
        return imageFile;
    }

    @Override
    public String toString() {
        return name;
    }

    public static ListData getListData() {
        SimpleListData list = new SimpleListData("languages");
        for(Language l : LANGUAGES) {
            list.add(l.getId(), l.getName());
        }
        return list;
    }

    public static Language fromId(int id) {
        for(Language l : LANGUAGES) {
            if (l.getId() == id) return l;
        }
        return null;
    }

    public static Language fromLocale(Locale loc) {
        if (loc == null) return null;
        for(Language l : LANGUAGES) {
            if (l.getLocale().equals(loc)) return l;
        }
        for(Language l : LANGUAGES) {
            if (l.getLocale().getLanguage().equals(loc.getLanguage())) {
                return l;
            }
        }
        return null;
    }

    public static Language fromLocale(String s) {
        if (s == null) return null;
        Locale loc = getLocaleFromString(s);
        return fromLocale(loc);
    }

    public static Language fromName(String name) {
        if (name == null) return null;
        for(Language l : LANGUAGES) {
            if (l.getName().equalsIgnoreCase(name)) return l;
        }
        return null;
    }

    public static Locale getLocaleFromString(String s) {
        if (s == null) return null;
        String[] temp = s.split("_");
        if (temp.length == 1) {
            return new Locale(temp[0]);
        } else if (temp.length == 2) {
            return new Locale(temp[0], temp[1]);
        } else if (temp.length == 3) {
            return new Locale(temp[0], temp[1], temp[2]);
        }
        return null;
    }

    public static List<Language> all() {
        return LANGUAGES;
    }

    public static void clear() {
        LANGUAGES.clear();
    }
}