private boolean generateOnChange()

in json/src/main/java/org/netbeans/html/json/impl/ModelProcessor.java [1075:1133]
56 lines of code
15 McCabe index (conditional complexity)

    private boolean generateOnChange(Element clazz, Map<String,Collection<String[]>> propDeps,
        Prprt[] properties, String className,
        Map<String, Collection<String>> functionDeps
    ) {
        boolean instance = clazz.getAnnotation(Model.class).instance();
        for (Element m : clazz.getEnclosedElements()) {
            if (m.getKind() != ElementKind.METHOD) {
                continue;
            }
            ExecutableElement e = (ExecutableElement) m;
            OnPropertyChange onPC = e.getAnnotation(OnPropertyChange.class);
            if (onPC == null) {
                continue;
            }
            for (String pn : onPC.value()) {
                if (findPrprt(properties, pn) == null && findDerivedFrom(propDeps, pn).isEmpty()) {
                    error("No property named '" + pn + "' in the model", clazz);
                    return false;
                }
            }
            if (!instance && !e.getModifiers().contains(Modifier.STATIC)) {
                error("@OnPropertyChange method needs to be static", e);
                return false;
            }
            if (e.getModifiers().contains(Modifier.PRIVATE)) {
                error("@OnPropertyChange method cannot be private", e);
                return false;
            }
            if (e.getReturnType().getKind() != TypeKind.VOID) {
                error("@OnPropertyChange method should return void", e);
                return false;
            }
            String n = e.getSimpleName().toString();


            for (String pn : onPC.value()) {
                StringBuilder call = new StringBuilder();
                call.append("  ").append(inPckName(clazz, instance)).append(".").append(n).append("(");
                call.append(wrapPropName(e, className, "name", pn));
                call.append(");\n");

                Collection<String> change = functionDeps.get(pn);
                if (change == null) {
                    change = new ArrayList<String>();
                    functionDeps.put(pn, change);
                }
                change.add(call.toString());
                for (String dpn : findDerivedFrom(propDeps, pn)) {
                    change = functionDeps.get(dpn);
                    if (change == null) {
                        change = new ArrayList<String>();
                        functionDeps.put(dpn, change);
                    }
                    change.add(call.toString());
                }
            }
        }
        return true;
    }