Avoid warning: use String.valueOf() instead of new Integer().toString()

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

@@ -10,6 +10,6 @@ JavaUtils.java 65cdadfb9137a240ad59992eacf53a15b7f20804 GREEN
 KernelModelElementUtils.java fded09befe7e543fc04ea5184ffc1c8a309d7a66 GREEN
 LoggingUtils.java 0e0aa5d466d80ea29cfc7e91178b23a5cdd4ddf7 GREEN
 PrototypesUtils.java ec75bed75cfc5103f1f38e3a29df86f729428775 GREEN
-ResourceUtils.java e397569bf8d128b3391f1bdc09b941502a8da321 YELLOW
+ResourceUtils.java 4c198755ead415f0b69d45e635d0ce224b53afc9 YELLOW
 TransformationUtils.java 552d3a9d56d34450be781af828efe0b8aa5d359e GREEN
 UniqueIDUtils.java 665955b1790c1bd1c2087e23114da920bfec2265 GREEN

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

@@ -172,7 +172,7 @@ public final class ResourceUtils {
 			public String getID(EObject eObject) {
 				String id = super.getID(eObject);
 				if(id == null && eObject instanceof IIdLabeled) {
-					id = new Integer(((IIdLabeled)eObject).getId()).toString();
+					id = String.valueOf(((IIdLabeled)eObject).getId());
 					setID(eObject, id);
 				}
 				return id;