private List<PsiClass> calculateInterfacesSupported() {
final List<PsiClass> out = new ArrayList<PsiClass>();
final PsiClass[] supers = sourceClass.getSupers();
for (PsiClass superClass : supers) {
if (!superClass.isInterface()) {
continue;
}
final PsiMethod[] superclassMethods = superClass.getMethods();
if (superclassMethods.length == 0) {
continue;
}
boolean allMethodsCovered = true;
for (PsiMethod method : superclassMethods) {
boolean isCovered = false;
for (PsiMethod movedMethod : methods) {
if (isSuperMethod(method, movedMethod)) {
isCovered = true;
break;
}
}
if (!isCovered) {
allMethodsCovered = false;
break;
}
}
if (allMethodsCovered) {
out.add(superClass);
}
}
final Project project = sourceClass.getProject();
final PsiManager manager = sourceClass.getManager();
final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
if (usesDefaultSerialization(sourceClass)) {
final PsiClass serializable =
JavaPsiFacade.getInstance(manager.getProject()).findClass("java.io.Serializable", scope);
out.add(serializable);
}
if (usesDefaultClone(sourceClass)) {
final PsiClass cloneable =
JavaPsiFacade.getInstance(manager.getProject()).findClass("java.lang.Cloneable", scope);
out.add(cloneable);
}
return out;
}
