Avoid class cast exception for array type

Issue-Ref: 3865
Issue-Url: https://af3-developer.fortiss.org/issues/3865



Signed-off-by: Simon Barner <barner@fortiss.org>

org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/.ratings

 CompositionUtils.java 34c0a191bd0fb4176c94b4d61abb5c88a679d5e8 GREEN
-ConstraintsUtils.java 0f8be020f2ca4bb08931c32452163c04a28e30ce GREEN
 EMFResourceUtils.java 979d0e1f4f66a2b3e715d2da0ebef6493f547fd7 GREEN
 EcoreSerializerBase.java 0a0c2969d793d2e68094c55c8f7b0a662ef6e5d5 GREEN
 EcoreUtils.java 18416b5c214410a02eb35596fd807a1cc27d6b35 GREEN
@@ -10,6 +9,6 @@ JavaUtils.java 65cdadfb9137a240ad59992eacf53a15b7f20804 GREEN
 KernelModelElementUtils.java fded09befe7e543fc04ea5184ffc1c8a309d7a66 GREEN
 LoggingUtils.java 0e0aa5d466d80ea29cfc7e91178b23a5cdd4ddf7 GREEN
 PrototypesUtils.java ec75bed75cfc5103f1f38e3a29df86f729428775 GREEN
-ResourceUtils.java e31eda3fdbedd2e44c85d471f717b14f92a3c663 GREEN
+ResourceUtils.java 7f4941a83115dfbed75eb58b79c0a372fe1cbb94 YELLOW
 TransformationUtils.java 552d3a9d56d34450be781af828efe0b8aa5d359e GREEN
 UniqueIDUtils.java 665955b1790c1bd1c2087e23114da920bfec2265 GREEN

org.fortiss.tooling.kernel/src/org/fortiss/tooling/kernel/utils/ResourceUtils.java

@@ -117,11 +117,11 @@ public final class ResourceUtils {
 				for(ManyReference ref : forwardManyReferences) {
 					Object[] values = ref.getValues();
 
-					for(String id : (String[])values) {
+					for(Object id : values) {
 
 						EObject obj;
 						try {
-							obj = xmlResource.getEObject(id);
+							obj = xmlResource.getEObject((String)id);
 						} catch(RuntimeException exception) {
 							obj = null;
 						}