Minor, improve exception when getting missing component from container

2016-09-26 14:27:57 +03:00
parent 87fe6c41df
commit be5e0f4275
1 changed files with 4 additions and 2 deletions
@@ -33,8 +33,10 @@ inline fun <reified T : Any> ComponentProvider.get(): T {
    return getService(T::class.java)
 }

-@Suppress("UNCHECKED_CAST") fun <T : Any> ComponentProvider.getService(request: Class<T>): T {
-    return resolve(request)!!.getValue() as T
+@Suppress("UNCHECKED_CAST")
+fun <T : Any> ComponentProvider.getService(request: Class<T>): T {
+    val valueDescriptor = resolve(request) ?: throw IllegalArgumentException("Unresolved service: $request")
+    return valueDescriptor.getValue() as T
 }

 fun StorageComponentContainer.useInstance(instance: Any) {