private static Map loadSymbols(Locale locale) {
WaitLock lock = null;
for (; ; ) {
final Object o;
synchronized (_symbols) {
o = _symbols.get(locale);
if (o == null) _symbols.put(locale, lock = new WaitLock()); // lock it
}
if (o instanceof Map) return (Map) o;
if (o == null) break; // go to load the symbols
// wait because some one is creating the servlet
if (!((WaitLock) o).waitUntilUnlock(5 * 60 * 1000))
log.warn(
"Take too long to wait loading localized symbol: "
+ locale
+ "\nTry to load again automatically...");
} // for(;;)
try {
// the following implementation is referred to
// org.zkoss.zk.ui.http.Wpds#getDateJavaScript()
final Map<String, Object> map = new HashMap<String, Object>();
final Calendar cal = Calendar.getInstance(locale);
int firstDayOfWeek = Utils.getFirstDayOfWeek();
cal.clear();
if (firstDayOfWeek < 0) firstDayOfWeek = cal.getFirstDayOfWeek();
map.put("DOW_1ST", Integer.valueOf(firstDayOfWeek - Calendar.SUNDAY));
final boolean zhlang = locale.getLanguage().equals("zh");
SimpleDateFormat df = new SimpleDateFormat("E", locale);
final String[] sdow = new String[7], s2dow = new String[7];
for (int j = firstDayOfWeek, k = 0; k < 7; ++k) {
cal.set(Calendar.DAY_OF_WEEK, j);
sdow[k] = df.format(cal.getTime());
if (++j > Calendar.SATURDAY) j = Calendar.SUNDAY;
if (zhlang) {
s2dow[k] = sdow[k].length() >= 3 ? sdow[k].substring(2) : sdow[k];
} else {
final int len = sdow[k].length();
final char cc = sdow[k].charAt(len - 1);
s2dow[k] = cc == '.' || cc == ',' ? sdow[k].substring(0, len - 1) : sdow[k];
}
}
df = new SimpleDateFormat("G", locale);
map.put("ERA", df.format(new java.util.Date()));
Calendar ec = Calendar.getInstance(Locale.ENGLISH);
Calendar lc = Calendar.getInstance(locale);
map.put("YDELTA", Integer.valueOf(lc.get(Calendar.YEAR) - ec.get(Calendar.YEAR)));
df = new SimpleDateFormat("EEEE", locale);
final String[] fdow = new String[7];
for (int j = firstDayOfWeek, k = 0; k < 7; ++k) {
cal.set(Calendar.DAY_OF_WEEK, j);
fdow[k] = df.format(cal.getTime());
if (++j > Calendar.SATURDAY) j = Calendar.SUNDAY;
}
df = new SimpleDateFormat("MMM", locale);
final String[] smon = new String[12], s2mon = new String[12];
for (int j = 0; j < 12; ++j) {
cal.set(Calendar.MONTH, j);
smon[j] = df.format(cal.getTime());
if (zhlang) {
s2mon[j] =
smon[0].length() >= 2
? // remove the last
// char
smon[j].substring(0, smon[j].length() - 1)
: smon[j];
} else {
final int len = smon[j].length();
final char cc = smon[j].charAt(len - 1);
s2mon[j] = cc == '.' || cc == ',' ? smon[j].substring(0, len - 1) : smon[j];
}
}
df = new SimpleDateFormat("MMMM", locale);
final String[] fmon = new String[12];
for (int j = 0; j < 12; ++j) {
cal.set(Calendar.MONTH, j);
fmon[j] = df.format(cal.getTime());
}
map.put("SDOW", sdow);
if (Objects.equals(s2dow, sdow)) map.put("S2DOW", sdow);
else map.put("S2DOW", s2dow);
if (Objects.equals(fdow, sdow)) map.put("FDOW", sdow);
else map.put("FDOW", fdow);
map.put("SMON", smon);
if (Objects.equals(s2mon, smon)) map.put("S2MON", smon);
else map.put("S2MON", s2mon);
if (Objects.equals(fmon, smon)) map.put("FMON", smon);
else map.put("FMON", fmon);
// AM/PM available since ZK 3.0
df = new SimpleDateFormat("a", locale);
cal.set(Calendar.HOUR_OF_DAY, 3);
final String[] ampm = new String[2];
ampm[0] = df.format(cal.getTime());
cal.set(Calendar.HOUR_OF_DAY, 15);
ampm[1] = df.format(cal.getTime());
map.put("APM", ampm);
synchronized (_symbols) {
_symbols.put(locale, map);
cloneSymbols();
}
return map;
} finally {
lock.unlock();
}
}
// -- private utilities --//
private final Map loadLabels(Locale locale) {
WaitLock lock = null;
for (; ; ) {
final Object o;
synchronized (_syncLabels) {
o = _syncLabels.get(locale);
if (o == null) _syncLabels.put(locale, lock = new WaitLock()); // lock it
}
if (o instanceof Map) return (Map) o;
if (o == null) break; // go to load the page
// wait because some one is creating the servlet
if (!((WaitLock) o).waitUntilUnlock(5 * 60 * 1000))
log.warning(
"Take too long to wait loading labels: "
+ locale
+ "\nTry to load again automatically...");
} // for(;;)
if (_jarcharset == null)
_jarcharset = Library.getProperty("org.zkoss.util.label.classpath.charset", "UTF-8");
if (_warcharset == null) {
_warcharset = Library.getProperty("org.zkoss.util.label.web.charset", null);
if (_warcharset == null)
_warcharset =
Library.getProperty(
"org.zkoss.util.label.WEB-INF.charset", "UTF-8"); // backward compatible
}
try {
// get the class name
if (locale != null) log.info("Loading labels for " + locale);
Map labels = new HashMap(512);
// 1. load from modules
final ClassLocator locator = new ClassLocator();
for (Enumeration en =
locator.getResources(
locale == null
? "metainfo/i3-label.properties"
: "metainfo/i3-label_" + locale + ".properties");
en.hasMoreElements(); ) {
final URL url = (URL) en.nextElement();
load(labels, url, _jarcharset);
}
// 2. load from extra resource
final List locators;
synchronized (_locators) {
locators = new LinkedList(_locators);
}
for (Iterator it = locators.iterator(); it.hasNext(); ) {
Object o = it.next();
if (o instanceof LabelLocator) {
final URL url = ((LabelLocator) o).locate(locale);
if (url != null) load(labels, url, _warcharset);
} else {
final LabelLocator2 loc = (LabelLocator2) o;
final InputStream is = loc.locate(locale);
if (is != null) {
final String cs = loc.getCharset();
load(labels, is, cs != null ? cs : _warcharset);
}
}
}
// Convert values to ExValue
toExValue(labels);
// merge with labels from 'super' locale
if (locale != null) {
final String lang = locale.getLanguage();
final String cnty = locale.getCountry();
final String var = locale.getVariant();
final Map superlabels =
loadLabels(
var != null && var.length() > 0
? new Locale(lang, cnty)
: cnty != null && cnty.length() > 0 ? new Locale(lang, "") : null);
if (labels.isEmpty()) {
labels = superlabels.isEmpty() ? Collections.EMPTY_MAP : superlabels;
} else if (!superlabels.isEmpty()) {
Map combined = new HashMap(superlabels);
combined.putAll(labels);
labels = combined;
}
}
// add to map
synchronized (_syncLabels) {
_syncLabels.put(locale, labels);
cloneLables();
}
return labels;
} catch (Throwable ex) {
synchronized (_syncLabels) {
_syncLabels.remove(locale);
cloneLables();
}
throw SystemException.Aide.wrap(ex);
} finally {
lock.unlock(); // unlock (always unlock to avoid deadlock)
}
}
