@Override
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
final PsiReferenceParameterList typeArgumentList =
(PsiReferenceParameterList) descriptor.getPsiElement();
if (!FileModificationService.getInstance().preparePsiElementForWrite(typeArgumentList))
return;
try {
final PsiMethodCallExpression expr =
(PsiMethodCallExpression)
JavaPsiFacade.getInstance(project)
.getElementFactory()
.createExpressionFromText("foo()", null);
typeArgumentList.replace(expr.getTypeArgumentList());
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
private void reportCallMayProduceNpe(
ProblemsHolder holder, PsiMethodCallExpression callExpression, boolean onTheFly) {
LocalQuickFix[] fix =
createNPEFixes(
callExpression.getMethodExpression().getQualifierExpression(),
callExpression,
onTheFly);
holder.registerProblem(
callExpression, InspectionsBundle.message("dataflow.message.npe.method.invocation"), fix);
}
private static boolean canCallMethodsInConstructors(PsiClass aClass, boolean virtual) {
for (PsiMethod constructor : aClass.getConstructors()) {
if (!constructor.getLanguage().isKindOf(JavaLanguage.INSTANCE)) return true;
PsiCodeBlock body = constructor.getBody();
if (body == null) continue;
for (PsiMethodCallExpression call :
SyntaxTraverser.psiTraverser().withRoot(body).filter(PsiMethodCallExpression.class)) {
PsiReferenceExpression methodExpression = call.getMethodExpression();
if (methodExpression instanceof PsiThisExpression
|| methodExpression instanceof PsiSuperExpression) continue;
if (!virtual) return true;
PsiMethod target = call.resolveMethod();
if (target != null && PsiUtil.canBeOverriden(target)) return true;
}
}
return false;
}