/// <summary>Looks up for a translation bundle in the global cache.</summary>
/// <remarks>
/// Looks up for a translation bundle in the global cache. If found returns
/// the cached bundle. If not found creates a new instance puts it into the
/// cache and returns it.
/// </remarks>
/// <?></?>
/// <param name="locale">the preferred locale</param>
/// <param name="type">required bundle type</param>
/// <returns>an instance of the required bundle type</returns>
/// <exception>
/// TranslationBundleLoadingException
/// see
/// <see cref="TranslationBundle.Load(System.Globalization.CultureInfo)">TranslationBundle.Load(System.Globalization.CultureInfo)
/// </see>
/// </exception>
/// <exception>
/// TranslationStringMissingException
/// see
/// <see cref="TranslationBundle.Load(System.Globalization.CultureInfo)">TranslationBundle.Load(System.Globalization.CultureInfo)
/// </see>
/// </exception>
internal static T LookupBundle <T>(CultureInfo locale) where T : TranslationBundle
{
System.Type type = typeof(T);
lock (typeof(GlobalBundleCache))
{
try
{
IDictionary <Type, TranslationBundle> bundles = cachedBundles.Get(locale);
if (bundles == null)
{
bundles = new Dictionary <Type, TranslationBundle>();
cachedBundles.Put(locale, bundles);
}
TranslationBundle bundle = bundles.Get(type);
if (bundle == null)
{
bundle = (TranslationBundle)System.Activator.CreateInstance(type);
bundle.Load(locale);
bundles.Put(type, bundle);
}
return((T)bundle);
}
catch (InstantiationException e)
{
throw new Error(e);
}
catch (MemberAccessException e)
{
throw new Error(e);
}
}
}
private T Get <T>() where T : TranslationBundle
{
System.Type type = typeof(T);
TranslationBundle bundle = map.Get(type);
if (bundle == null)
{
bundle = GlobalBundleCache.LookupBundle <T>(locale);
// There is a small opportunity for a race, which we may
// lose. Accept defeat and return the winner's instance.
TranslationBundle old = map.PutIfAbsent(type, bundle);
if (old != null)
{
bundle = old;
}
}
return((T)bundle);
}