private static void checkMagicParameterArgument(
@NotNull PsiParameter parameter,
PsiExpression argument,
@NotNull AllowedValues allowedValues,
@NotNull ProblemsHolder holder) {
final PsiManager manager = PsiManager.getInstance(holder.getProject());
if (!argument.getTextRange().isEmpty()
&& !isAllowed(parameter.getDeclarationScope(), argument, allowedValues, manager)) {
registerProblem(argument, allowedValues, holder);
}
}
private static AllowedValues parseBeanInfo(@NotNull PsiModifierListOwner owner) {
PsiMethod method = null;
if (owner instanceof PsiParameter) {
PsiParameter parameter = (PsiParameter) owner;
PsiElement scope = parameter.getDeclarationScope();
if (!(scope instanceof PsiMethod)) return null;
PsiElement nav = scope.getNavigationElement();
if (!(nav instanceof PsiMethod)) return null;
method = (PsiMethod) nav;
if (method.isConstructor()) {
// not a property, try the @ConstructorProperties({"prop"})
PsiAnnotation annotation =
AnnotationUtil.findAnnotation(method, "java.beans.ConstructorProperties");
if (annotation == null) return null;
PsiAnnotationMemberValue value = annotation.findAttributeValue("value");
if (!(value instanceof PsiArrayInitializerMemberValue)) return null;
PsiAnnotationMemberValue[] initializers =
((PsiArrayInitializerMemberValue) value).getInitializers();
PsiElement parent = parameter.getParent();
if (!(parent instanceof PsiParameterList)) return null;
int index = ((PsiParameterList) parent).getParameterIndex(parameter);
if (index >= initializers.length) return null;
PsiAnnotationMemberValue initializer = initializers[index];
if (!(initializer instanceof PsiLiteralExpression)) return null;
Object val = ((PsiLiteralExpression) initializer).getValue();
if (!(val instanceof String)) return null;
PsiMethod setter =
PropertyUtil.findPropertySetter(
method.getContainingClass(), (String) val, false, false);
if (setter == null) return null;
// try the @beaninfo of the corresponding setter
method = (PsiMethod) setter.getNavigationElement();
}
} else if (owner instanceof PsiMethod) {
PsiElement nav = owner.getNavigationElement();
if (!(nav instanceof PsiMethod)) return null;
method = (PsiMethod) nav;
}
if (method == null) return null;
PsiClass aClass = method.getContainingClass();
if (aClass == null) return null;
if (PropertyUtil.isSimplePropertyGetter(method)) {
List<PsiMethod> setters =
PropertyUtil.getSetters(aClass, PropertyUtil.getPropertyNameByGetter(method));
if (setters.size() != 1) return null;
method = setters.get(0);
}
if (!PropertyUtil.isSimplePropertySetter(method)) return null;
PsiDocComment doc = method.getDocComment();
if (doc == null) return null;
PsiDocTag beaninfo = doc.findTagByName("beaninfo");
if (beaninfo == null) return null;
String data =
StringUtil.join(
beaninfo.getDataElements(),
new Function<PsiElement, String>() {
@Override
public String fun(PsiElement element) {
return element.getText();
}
},
"\n");
int enumIndex = StringUtil.indexOfSubstringEnd(data, "enum:");
if (enumIndex == -1) return null;
data = data.substring(enumIndex);
int colon = data.indexOf(":");
int last = colon == -1 ? data.length() : data.substring(0, colon).lastIndexOf("\n");
data = data.substring(0, last);
List<PsiAnnotationMemberValue> values = new ArrayList<PsiAnnotationMemberValue>();
for (String line : StringUtil.splitByLines(data)) {
List<String> words = StringUtil.split(line, " ", true, true);
if (words.size() != 2) continue;
String ref = words.get(1);
PsiExpression constRef =
JavaPsiFacade.getElementFactory(aClass.getProject())
.createExpressionFromText(ref, aClass);
if (!(constRef instanceof PsiReferenceExpression)) continue;
PsiReferenceExpression expr = (PsiReferenceExpression) constRef;
values.add(expr);
}
if (values.isEmpty()) return null;
PsiAnnotationMemberValue[] array = values.toArray(new PsiAnnotationMemberValue[values.size()]);
return new AllowedValues(array, false);
}