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Bootstrapper for Caliburn.Micro with MEF as IoC
public class MEFBootstrapper:BootstrapperBase
{
#region Private Variables
private CompositionContainer _Container;
#endregion
#region Constructor
public MEFBootstrapper()
{
Initialize();
}
#endregion
#region Overrides
protected override void Configure()
{
_Container = new CompositionContainer(
new AggregateCatalog(AssemblySource.Instance.Select(x => new AssemblyCatalog(x)).OfType<ComposablePartCatalog>())
);
var batch = new CompositionBatch();
batch.AddExportedValue<IWindowManager>(new WindowManager());
batch.AddExportedValue<IEventAggregator>(new EventAggregator());
batch.AddExportedValue(_Container);
_Container.Compose(batch);
}
protected override object GetInstance(Type service, string key)
{
string contract = string.IsNullOrEmpty(key) ? AttributedModelServices.GetContractName(service) : key;
var exports = _Container.GetExportedValues<object>(contract);
if (exports.Any())
return exports.First();
else
throw new Exception("Could not find the key");
}
protected override void BuildUp(object instance)
{
_Container.SatisfyImportsOnce(instance);
}
protected override IEnumerable<object> GetAllInstances(Type service)
{
return _Container.GetExportedValues<object>(AttributedModelServices.GetContractName(service));
}
protected override void OnStartup(object sender, StartupEventArgs e)
{
this.DisplayRootViewFor<IShell>();
}
#endregion
}
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