Make CeylonModuleLoader implement RuntimeResolver

Part of #5734

runtime/impl/src/main/java/ceylon/modules/jboss/runtime/CeylonModuleLoader.java

@@ -53,6 +53,7 @@
 import com.redhat.ceylon.cmr.api.RepositoryManager;
 import com.redhat.ceylon.common.Constants;
 import com.redhat.ceylon.common.Versions;
+import com.redhat.ceylon.compiler.java.runtime.model.RuntimeResolver;
 import com.redhat.ceylon.model.cmr.ArtifactResult;
 import com.redhat.ceylon.model.cmr.ArtifactResultType;
 import com.redhat.ceylon.model.cmr.ImportType;
@@ -64,7 +65,8 @@
  *
  * @author <a href="mailto:[email protected]">Ales Justin</a>
  */
-public class CeylonModuleLoader extends ModuleLoader {
+public class CeylonModuleLoader extends ModuleLoader 
+    implements RuntimeResolver {
     private static final ModuleIdentifier LANGUAGE;
     private static final ModuleIdentifier COMMON;
     private static final ModuleIdentifier MODEL;
@@ -248,11 +250,16 @@ protected ArtifactResult findArtifact(ModuleIdentifier mi) {
         return repository.getArtifactResult(context);
     }
 
-    public ModuleIdentifier findOverride(ModuleIdentifier mi) {
+    protected ModuleIdentifier findOverride(ModuleIdentifier mi) {
         final ArtifactContext context = new ArtifactContext(mi.getName(), mi.getSlot(), ArtifactContext.CAR, ArtifactContext.JAR);
         ArtifactContext override = repository.getArtifactOverride(context);
         return ModuleIdentifier.create(override.getName(), override.getVersion());
     }
+
+    @Override
+    public String resolveVersion(String moduleName, String moduleVersion) {
+        return findOverride(ModuleIdentifier.create(moduleName, moduleVersion)).getSlot();
+    }
 
     protected boolean isLogging(List<DependencySpec> deps, Builder builder, ArtifactResult result) {
         for (LogChecker checker : checkers) {