public static boolean isFieldInitializedAfterObjectConstruction(@NotNull PsiField field) {
if (field.hasInitializer()) return true;
final boolean isFieldStatic = field.hasModifierProperty(PsiModifier.STATIC);
final PsiClass aClass = field.getContainingClass();
if (aClass != null) {
// field might be assigned in the other field initializers
if (isFieldInitializedInOtherFieldInitializer(aClass, field, isFieldStatic)) return true;
}
final PsiClassInitializer[] initializers;
if (aClass != null) {
initializers = aClass.getInitializers();
} else {
return false;
}
for (PsiClassInitializer initializer : initializers) {
if (initializer.hasModifierProperty(PsiModifier.STATIC) == isFieldStatic
&& variableDefinitelyAssignedIn(field, initializer.getBody())) {
return true;
}
}
if (isFieldStatic) {
return false;
} else {
// instance field should be initialized at the end of the each constructor
final PsiMethod[] constructors = aClass.getConstructors();
if (constructors.length == 0) return false;
nextConstructor:
for (PsiMethod constructor : constructors) {
PsiCodeBlock ctrBody = constructor.getBody();
if (ctrBody == null) return false;
final List<PsiMethod> redirectedConstructors =
JavaHighlightUtil.getChainedConstructors(constructor);
for (int j = 0; redirectedConstructors != null && j < redirectedConstructors.size(); j++) {
PsiMethod redirectedConstructor = redirectedConstructors.get(j);
final PsiCodeBlock body = redirectedConstructor.getBody();
if (body != null && variableDefinitelyAssignedIn(field, body)) continue nextConstructor;
}
if (!ctrBody.isValid() || variableDefinitelyAssignedIn(field, ctrBody)) {
continue;
}
return false;
}
return true;
}
}
