private Asset getLocalizedAssetFromResource(Resource unlocalized, Locale locale) {
Resource localized = locale == null ? unlocalized : unlocalized.forLocale(locale);
if (localized == null || !localized.exists())
throw new RuntimeException(
String.format("Unable to locate asset '%s' (the file does not exist).", unlocalized));
return getAssetForResource(localized);
}
/**
* Finds a localized resource.
*
* @param baseResource base resource, or null for classpath root
* @param path path from baseResource to expected resource
* @param locale locale to localize for, or null to not localize
* @return resource, which may not exist
*/
private Resource findLocalizedResource(Resource baseResource, String path, Locale locale) {
Resource unlocalized = findResource(baseResource, path);
if (locale == null || !unlocalized.exists()) {
return unlocalized;
}
return localize(unlocalized, locale);
}
private Asset getComponentAsset(
ComponentResources resources, String expandedPath, Resource metaResource) {
if (expandedPath.contains(":") || expandedPath.startsWith("/")) {
return getAssetInLocale(resources.getBaseResource(), expandedPath, resources.getLocale());
}
// So, it's relative to the component. First, check if there's a match using the 5.4 rules.
if (metaResource.exists()) {
return getAssetForResource(metaResource);
}
Resource oldStyle =
findLocalizedResource(resources.getBaseResource(), expandedPath, resources.getLocale());
if (oldStyle == null || !oldStyle.exists()) {
return null;
}
return getAssetForResource(oldStyle);
}
private Asset getLocaleAsset(Locale locale, String jQueryUIPath) {
final String prefix =
String.format("%s/i18n/jquery.ui.datepicker-%s", jQueryUIPath, locale.getLanguage());
final Resource withCountryExtension =
typeCoercer.coerce(String.format("%s-%s.js", prefix, locale.getCountry()), Resource.class);
if (withCountryExtension.exists()) {
return assetSource.getClasspathAsset(withCountryExtension.getPath());
}
final Resource withLanguageExtension =
typeCoercer.coerce(String.format("%s.js", prefix), Resource.class);
if (withLanguageExtension.exists()) {
return assetSource.getClasspathAsset(withLanguageExtension.getPath());
}
return null;
}