/// <summary>
/// Instantiates a resource set for a given culture.
/// </summary>
/// <exception cref="ArgumentException">
/// The expected type name is not valid.
/// </exception>
/// <exception cref="ReflectionTypeLoadException">
/// satelliteAssembly does not contain the expected type.
/// </exception>
/// <exception cref="NullReferenceException">
/// The type has no no-arguments constructor.
/// </exception>
private static GettextResourceSet InstantiateResourceSet(Assembly satelliteAssembly, String resourceName, CultureInfo culture)
{
// We expect a class with a culture dependent class name.
Type clazz = satelliteAssembly.GetType(GettextResourceManager.ConstructClassName(resourceName) + "_" + culture.Name.Replace('-', '_'));
// We expect it has a no-argument constructor, and invoke it.
ConstructorInfo constructor = clazz.GetConstructor(Type.EmptyTypes);
return((GettextResourceSet)constructor.Invoke(null));
}
/// <summary>
/// Loads and returns the satellite assembly for a given culture.
/// </summary>
private Assembly MySatelliteAssembly(CultureInfo culture)
{
return(GettextResourceManager.GetSatelliteAssembly(MainAssembly, this.BaseName, culture));
}
/// <summary>
/// Returns the array of <c>GettextResourceSet</c>s for a given culture,
/// loading them if necessary, and maintaining the cache.
/// </summary>
private GettextResourceSet[] GetResourceSetsFor(CultureInfo culture)
{
//Console.WriteLine(">> GetResourceSetsFor "+culture);
// Look up in the cache.
GettextResourceSet[] result = (GettextResourceSet[])_loaded[culture];
if (result == null)
{
lock (this)
{
// Look up again - maybe another thread has filled in the entry
// while we slept waiting for the lock.
result = (GettextResourceSet[])_loaded[culture];
if (result == null)
{
// Determine the GettextResourceSets for the given culture.
if (culture.Parent == null || culture.Equals(CultureInfo.InvariantCulture))
{
// Invariant culture.
result = EmptyResourceSetArray;
}
else
{
// Use a satellite assembly as primary GettextResourceSet, and
// the result for the parent culture as fallback.
GettextResourceSet[] parentResult = this.GetResourceSetsFor(culture.Parent);
Assembly satelliteAssembly;
try
{
satelliteAssembly = this.MySatelliteAssembly(culture);
}
catch (FileNotFoundException)
{
satelliteAssembly = null;
}
if (satelliteAssembly != null)
{
GettextResourceSet satelliteResourceSet;
try
{
satelliteResourceSet = GettextResourceManager.InstantiateResourceSet(satelliteAssembly, this.BaseName, culture);
}
catch (Exception e)
{
Console.Error.WriteLine(e);
Console.Error.WriteLine(e.StackTrace);
satelliteResourceSet = null;
}
if (satelliteResourceSet != null)
{
result = new GettextResourceSet[1 + parentResult.Length];
result[0] = satelliteResourceSet;
Array.Copy(parentResult, 0, result, 1, parentResult.Length);
}
else
{
result = parentResult;
}
}
else
{
result = parentResult;
}
}
// Put the result into the cache.
_loaded.Add(culture, result);
}
}
}
//Console.WriteLine("<< GetResourceSetsFor "+culture);
return(result);
}
