@NotNull
public static PsiClassType[] getImplementsListTypes(@NotNull PsiClass psiClass) {
final PsiReferenceList extendsList = psiClass.getImplementsList();
if (extendsList != null) {
return extendsList.getReferencedTypes();
}
return PsiClassType.EMPTY_ARRAY;
}
private boolean isAccessibleFrom(RefElement from, RefJavaElement to, String accessModifier) {
if (accessModifier == PsiModifier.PUBLIC) return true;
final RefJavaUtil refUtil = RefJavaUtil.getInstance();
if (accessModifier == PsiModifier.PACKAGE_LOCAL) {
return RefJavaUtil.getPackage(from) == RefJavaUtil.getPackage(to);
}
RefClass fromTopLevel = refUtil.getTopLevelClass(from);
RefClass toTopLevel = refUtil.getTopLevelClass(to);
RefClass fromOwner = refUtil.getOwnerClass(from);
RefClass toOwner = refUtil.getOwnerClass(to);
if (accessModifier == PsiModifier.PROTECTED) {
if (SUGGEST_PRIVATE_FOR_INNERS) {
return refUtil.isInheritor(fromTopLevel, toOwner)
|| fromOwner != null && refUtil.isInheritor(fromOwner, toTopLevel)
|| toOwner != null && refUtil.getOwnerClass(toOwner) == from;
}
return refUtil.isInheritor(fromTopLevel, toOwner);
}
if (accessModifier == PsiModifier.PRIVATE) {
if (SUGGEST_PRIVATE_FOR_INNERS) {
if (isInExtendsList(to, fromTopLevel.getElement().getExtendsList())) return false;
if (isInExtendsList(to, fromTopLevel.getElement().getImplementsList())) return false;
if (isInAnnotations(to, fromTopLevel)) return false;
return fromTopLevel == toOwner
|| fromOwner == toTopLevel
|| toOwner != null && refUtil.getOwnerClass(toOwner) == from;
}
if (fromOwner != null
&& fromOwner.isStatic()
&& !to.isStatic()
&& refUtil.isInheritor(fromOwner, toOwner)) return false;
if (fromTopLevel == toOwner) {
if (from instanceof RefClass && to instanceof RefClass) {
final PsiClass fromClass = ((RefClass) from).getElement();
LOG.assertTrue(fromClass != null);
if (isInExtendsList(to, fromClass.getExtendsList())) return false;
if (isInExtendsList(to, fromClass.getImplementsList())) return false;
}
return true;
}
}
return false;
}
static PsiClass extractInterface(
PsiDirectory targetDir,
PsiClass aClass,
String interfaceName,
MemberInfo[] selectedMembers,
DocCommentPolicy javaDocPolicy)
throws IncorrectOperationException {
PsiClass anInterface =
JavaDirectoryService.getInstance().createInterface(targetDir, interfaceName);
PsiJavaCodeReferenceElement ref =
ExtractSuperClassUtil.createExtendingReference(anInterface, aClass, selectedMembers);
final PsiReferenceList referenceList =
aClass.isInterface() ? aClass.getExtendsList() : aClass.getImplementsList();
assert referenceList != null;
referenceList.add(ref);
PullUpHelper pullUpHelper =
new PullUpHelper(aClass, anInterface, selectedMembers, javaDocPolicy);
pullUpHelper.moveMembersToBase();
return anInterface;
}
