private static ExpectedTypeMatching getExpectedTypeMatching(
LookupElement item, ExpectedTypeInfo[] expectedInfos) {
PsiType itemType = JavaCompletionUtil.getLookupElementType(item);
if (itemType != null) {
for (final ExpectedTypeInfo expectedInfo : expectedInfos) {
final PsiType defaultType = expectedInfo.getDefaultType();
final PsiType expectedType = expectedInfo.getType();
if (defaultType != expectedType && defaultType.isAssignableFrom(itemType)) {
return ExpectedTypeMatching.ofDefaultType;
}
if (expectedType.isAssignableFrom(itemType)) {
return ExpectedTypeMatching.expected;
}
}
}
boolean hasNonVoid = false;
for (ExpectedTypeInfo info : expectedInfos) {
if (!PsiType.VOID.equals(info.getType())) {
hasNonVoid = true;
}
}
if (hasNonVoid) {
if (item.getObject() instanceof PsiKeyword) {
String keyword = ((PsiKeyword) item.getObject()).getText();
if (PsiKeyword.NEW.equals(keyword) || PsiKeyword.NULL.equals(keyword)) {
return ExpectedTypeMatching.maybeExpected;
}
}
} else if (expectedInfos.length > 0) {
return ExpectedTypeMatching.unexpected;
}
return ExpectedTypeMatching.normal;
}
private static ExpectedTypeMatching getExpectedTypeMatching(
LookupElement item, ExpectedTypeInfo[] expectedInfos, @Nullable String expectedMemberName) {
PsiType itemType = JavaCompletionUtil.getLookupElementType(item);
if (itemType != null) {
PsiUtil.ensureValidType(itemType);
for (final ExpectedTypeInfo expectedInfo : expectedInfos) {
final PsiType defaultType = expectedInfo.getDefaultType();
final PsiType expectedType = expectedInfo.getType();
assert expectedType.isValid();
assert defaultType.isValid();
if (defaultType != expectedType && defaultType.isAssignableFrom(itemType)) {
return ExpectedTypeMatching.ofDefaultType;
}
if (expectedType.isAssignableFrom(itemType)) {
return ExpectedTypeMatching.expected;
}
}
}
if (hasNonVoid(expectedInfos)) {
if (item.getObject() instanceof PsiKeyword) {
String keyword = ((PsiKeyword) item.getObject()).getText();
if (PsiKeyword.NEW.equals(keyword) || PsiKeyword.NULL.equals(keyword)) {
return ExpectedTypeMatching.maybeExpected;
}
}
} else if (expectedInfos.length > 0) {
return ExpectedTypeMatching.unexpected;
}
return preferByMemberName(expectedMemberName, itemType);
}