private String findMessageByLocale(String key, Locale locale) {
String file = messageBasename + (locale == null ? "" : "_" + locale) + messageSuffix;
EncodingProperties properties = messageCache.get(file);
if ((properties == null || reloadable) && engine.hasResource(file)) {
if (properties == null) {
properties = new EncodingProperties();
EncodingProperties old = messageCache.putIfAbsent(file, properties);
if (old != null) {
properties = old;
}
}
try {
Resource resource = engine.getResource(file);
if (properties.getLastModified() < resource.getLastModified()) {
String encoding = (StringUtils.isEmpty(messageEncoding) ? "UTF-8" : messageEncoding);
properties.load(resource.openStream(), encoding, resource.getLastModified());
}
} catch (IOException e) {
if (logger != null && logger.isErrorEnabled()) {
logger.error(
"Failed to load httl message file "
+ file
+ " with locale "
+ locale
+ ", cause: "
+ e.getMessage(),
e);
}
}
}
if (properties != null) {
String value = properties.getProperty(key);
if (StringUtils.isNotEmpty(value)) {
return value;
}
}
if (locale != null) {
return findMessageByLocale(key, LocaleUtils.getParentLocale(locale));
}
return null;
}
public String message(String key, Locale locale, Object[] args) {
if (StringUtils.isEmpty(key) || messageBasename == null) {
return key;
}
if (locale == null) {
locale = getLocale();
}
String value = findMessageByLocale(key, locale);
if (StringUtils.isNotEmpty(value)) {
if (args != null && args.length > 0) {
if ("string".equals(messageFormat)) {
return String.format(value, args);
} else {
return MessageFormat.format(value, args);
}
} else {
return value;
}
}
return key;
}