private static PsiSubstitutor obtainFinalSubstitutor(
PsiClass superClass,
PsiSubstitutor superSubstitutor,
PsiSubstitutor derivedSubstitutor,
boolean inRawContext) {
if (inRawContext) {
Set<PsiTypeParameter> typeParams = superSubstitutor.getSubstitutionMap().keySet();
PsiElementFactory factory = JavaPsiFacade.getElementFactory(superClass.getProject());
superSubstitutor =
factory.createRawSubstitutor(
derivedSubstitutor, typeParams.toArray(new PsiTypeParameter[typeParams.size()]));
}
Map<PsiTypeParameter, PsiType> map = null;
for (PsiTypeParameter typeParameter : PsiUtil.typeParametersIterable(superClass)) {
PsiType type = superSubstitutor.substitute(typeParameter);
final PsiType t = derivedSubstitutor.substitute(type);
if (map == null) {
map = new THashMap<PsiTypeParameter, PsiType>();
}
map.put(typeParameter, t);
}
return map == null
? PsiSubstitutor.EMPTY
: JavaPsiFacade.getInstance(superClass.getProject())
.getElementFactory()
.createSubstitutor(map);
}
private static PsiSubstitutor checkRaw(
boolean isRaw,
@NotNull PsiElementFactory factory,
@NotNull PsiMethod candidateMethod,
@NotNull PsiSubstitutor substitutor) {
if (isRaw
&& !candidateMethod.hasModifierProperty(
PsiModifier.STATIC)) { // static methods are not erased due to raw overriding
PsiTypeParameter[] methodTypeParameters = candidateMethod.getTypeParameters();
substitutor = factory.createRawSubstitutor(substitutor, methodTypeParameters);
}
return substitutor;
}
public static PsiSubstitutor obtainFinalSubstitutor(
@NotNull PsiClass candidateClass,
@NotNull PsiSubstitutor candidateSubstitutor,
@NotNull PsiClass aClass,
@NotNull PsiSubstitutor substitutor,
@NotNull PsiElementFactory elementFactory,
@NotNull LanguageLevel languageLevel) {
if (PsiUtil.isRawSubstitutor(aClass, substitutor)) {
return elementFactory.createRawSubstitutor(candidateClass);
}
final PsiType containingType =
elementFactory.createType(candidateClass, candidateSubstitutor, languageLevel);
PsiType type = substitutor.substitute(containingType);
if (!(type instanceof PsiClassType)) return candidateSubstitutor;
return ((PsiClassType) type).resolveGenerics().getSubstitutor();
}