private static void checkEqualFunctionNames(
@NotNull PsiNamedElement namedElement, @NotNull JavaMethod method) {
if (!ComparatorUtil.equalsNullable(method.getName().asString(), namedElement.getName())) {
throw new AlternativeSignatureMismatchException(
"Function names mismatch, original: %s, alternative: %s",
method.getName().asString(), namedElement.getName());
}
}
/**
* @return true if {@code method} is a static method of enum class, which is to be put into its
* class object (and not into the corresponding package). This applies to values() and
* valueOf(String) methods
*/
public static boolean shouldBeInEnumClassObject(@NotNull JavaMethod method) {
if (!method.getContainingClass().isEnum()) return false;
String signature = JavaSignatureFormatter.getInstance().formatMethod(method);
return "values()".equals(signature) || "valueOf(java.lang.String)".equals(signature);
}
private static boolean hasStaticMembers(@NotNull JavaClass javaClass) {
for (JavaMethod method : javaClass.getMethods()) {
if (method.isStatic() && !shouldBeInEnumClassObject(method)) {
return true;
}
}
for (JavaField field : javaClass.getFields()) {
if (field.isStatic() && !field.isEnumEntry()) {
return true;
}
}
for (JavaClass nestedClass : javaClass.getInnerClasses()) {
if (SingleAbstractMethodUtils.isSamInterface(nestedClass)) {
return true;
}
if (nestedClass.isStatic() && hasStaticMembers(nestedClass)) {
return true;
}
}
return false;
}