Example usage for java.text Collator getAvailableLocales

Introduction

In this page you can find the example usage for java.text Collator getAvailableLocales.

Prototype

public static synchronized Locale[] getAvailableLocales() 

Source Link

Document

Returns an array of all locales for which the getInstance methods of this class can return localized instances.

Usage

From source file:net.wastl.webmail.storage.FileStorage.java

protected void initLanguages() {
    log.info("Initializing available languages ... ");
    File f = new File(parent.getProperty("webmail.template.path") + System.getProperty("file.separator"));
    String[] flist = f.list(new FilenameFilter() {
        public boolean accept(File myf, String s) {
            if (myf.isDirectory() && s.equals(s.toLowerCase()) && (s.length() == 2 || s.equals("default"))) {
                return true;
            } else {
                return false;
            }/*from   w w  w . ja va 2s  .  co  m*/
        }
    });

    File cached = new File(
            parent.getProperty("webmail.data.path") + System.getProperty("file.separator") + "locales.cache");
    Locale[] available1 = null;

    /* Now we try to cache the Locale list since it takes really long to gather it! */
    boolean exists = cached.exists();
    if (exists) {
        try {
            ObjectInputStream in = new ObjectInputStream(new FileInputStream(cached));
            available1 = (Locale[]) in.readObject();
            in.close();
            log.info("Using disk cache for langs... ");
        } catch (Exception ex) {
            exists = false;
        }
    }
    if (!exists) {
        // We should cache this on disk since it is so slow!
        available1 = Collator.getAvailableLocales();
        ObjectOutputStream os = null;
        try {
            os = new ObjectOutputStream(new FileOutputStream(cached));
            os.writeObject(available1);
        } catch (IOException ioe) {
            log.error("Failed to write to storage", ioe);
        } finally {
            try {
                os.close();
            } catch (IOException ioe) {
                log.error("Failed to close stream", ioe);
            }
        }
    }

    // Do this manually, as it is not JDK 1.1 compatible ...
    //Vector available=new Vector(Arrays.asList(available1));
    Vector<Locale> available = new Vector<Locale>(available1.length);
    for (int i = 0; i < available1.length; i++) {
        available.addElement(available1[i]);
    }
    String s = "";
    int count = 0;
    for (int i = 0; i < flist.length; i++) {
        String cur_lang = flist[i];
        Locale loc = new Locale(cur_lang, "", "");
        Enumeration<Locale> enumVar = available.elements();
        boolean added = false;
        while (enumVar.hasMoreElements()) {
            Locale l = (Locale) enumVar.nextElement();
            if (l.getLanguage().equals(loc.getLanguage())) {
                s += l.toString() + " ";
                count++;
                added = true;
            }
        }
        if (!added) {
            s += loc.toString() + " ";
            count++;
        }
    }
    log.info(count + " languages initialized.");
    cs.configRegisterStringKey(this, "LANGUAGES", s, "Languages available in WebMail");
    setConfig("LANGUAGES", s);

    /*
      Setup list of themes for each language
    */
    for (int j = 0; j < flist.length; j++) {
        File themes = new File(parent.getProperty("webmail.template.path")
                + System.getProperty("file.separator") + flist[j] + System.getProperty("file.separator"));
        String[] themelist = themes.list(new FilenameFilter() {
            public boolean accept(File myf, String s3) {
                if (myf.isDirectory() && !s3.equals("CVS")) {
                    return true;
                } else {
                    return false;
                }
            }
        });
        String s2 = "";
        for (int k = 0; k < themelist.length; k++) {
            s2 += themelist[k] + " ";
        }
        cs.configRegisterStringKey(this, "THEMES_" + flist[j].toUpperCase(), s2,
                "Themes for language " + flist[j]);
        setConfig("THEMES_" + flist[j].toUpperCase(), s2);
    }
}

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From source file:org.kitodo.dataeditor.ruleset.Labeled.java

/**
 * Lists the entries alphabetically by the translated label, taking into
 * account the language preferred by the user for alphabetical sorting. In
 * the auxiliary map, the keys are sorted by the sequence translated label +
 * separator + key, to account for the case where multiple keys are
 * (inadvertently) translated equally.//  ww w  .j a v  a 2s.  c o m
 *
 * @param ruleset
 *            The ruleset. From the ruleset, we learn which language is a
 *            label that does not have a language attribute, that is what is
 *            the default language of the rule set.
 * @param elements
 *            The items to sort. The function is so generic that you can
 *            sort divisions, keys, and options with it.
 * @param keyGetter
 *            A function to extract from the element the value used in the
 *            result map as key.
 * @param labelGetter
 *            A function that allows you to extract the list of labels from
 *            the element and then select the best translated one.
 * @param priorityList
 *            The list of languages spoken by the user human
 * @return a map in the order of the best-fitting translated label
 */
public static <T> LinkedHashMap<String, String> listByTranslatedLabel(Ruleset ruleset, Collection<T> elements,
        Function<T, String> keyGetter, Function<T, Collection<Label>> labelGetter,
        List<LanguageRange> priorityList) {

    Locale sortLocale = Locale.lookup(priorityList, Arrays.asList(Collator.getAvailableLocales()));
    TreeMap<String, Pair<String, String>> byLabelSorter = sortLocale != null
            ? new TreeMap<>(Collator.getInstance(sortLocale))
            : new TreeMap<>();
    for (T element : elements) {
        String key = keyGetter.apply(element);
        Labeled labeled = new Labeled(ruleset, key, labelGetter.apply(element));
        String label = labeled.getLabel(priorityList);
        byLabelSorter.put(label + '\037' + key, Pair.of(key, label));
    }
    LinkedHashMap<String, String> result = new LinkedHashMap<>((int) Math.ceil(elements.size() / 0.75));
    for (Pair<String, String> entry : byLabelSorter.values()) {
        result.put(entry.getKey(), entry.getValue());
    }
    return result;
}

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