public static void addFieldsToContext()

in core/provisioning-api/src/main/java/org/apache/syncope/core/provisioning/api/jexl/JexlUtils.java [153:230]
68 lines of code
22 McCabe index (conditional complexity)

    public static void addFieldsToContext(final Object object, final JexlContext jexlContext) {
        if (object == null) {
            return;
        }

        Set<Pair<PropertyDescriptor, Field>> cached = FIELD_CACHE.get(object.getClass());
        if (cached == null) {
            FIELD_CACHE.put(object.getClass(), Collections.synchronizedSet(new HashSet<>()));

            List<Class<?>> classes = ClassUtils.getAllSuperclasses(object.getClass());
            classes.add(object.getClass());
            classes.forEach(clazz -> {
                try {
                    for (PropertyDescriptor desc : Introspector.getBeanInfo(clazz).getPropertyDescriptors()) {
                        if (!desc.getName().startsWith("pc")
                                && !ArrayUtils.contains(IGNORE_FIELDS, desc.getName())
                                && !Collection.class.isAssignableFrom(desc.getPropertyType())
                                && !Map.class.isAssignableFrom(desc.getPropertyType())
                                && !desc.getPropertyType().isArray()) {

                            Field field = null;
                            try {
                                field = clazz.getDeclaredField(desc.getName());
                            } catch (NoSuchFieldException | SecurityException e) {
                                LOG.debug("Could not get field {} from {}", desc.getName(), clazz.getName(), e);
                            }

                            FIELD_CACHE.get(object.getClass()).add(Pair.of(desc, field));
                        }
                    }
                } catch (IntrospectionException e) {
                    LOG.warn("Could not introspect {}", clazz.getName(), e);
                }
            });

            cached = FIELD_CACHE.get(object.getClass());
        }

        cached.forEach(fd -> {
            String fieldName = fd.getLeft().getName();
            Class<?> fieldType = fd.getLeft().getPropertyType();

            try {
                Object fieldValue = null;
                if (fd.getLeft().getReadMethod() == null) {
                    if (fd.getRight() != null) {
                        ReflectionUtils.makeAccessible(fd.getRight());
                        fieldValue = fd.getRight().get(object);
                    }
                } else {
                    fieldValue = fd.getLeft().getReadMethod().invoke(object);
                }
                if (fieldValue == null) {
                    fieldValue = StringUtils.EMPTY;
                } else {
                    fieldValue = TemporalAccessor.class.isAssignableFrom(fieldType)
                            ? FormatUtils.format((TemporalAccessor) fieldValue)
                            : fieldValue;
                }

                jexlContext.set(fieldName, fieldValue);

                LOG.debug("Add field {} with value {}", fieldName, fieldValue);
            } catch (Exception iae) {
                LOG.error("Reading '{}' value error", fieldName, iae);
            }
        });

        if (object instanceof final Any any && any.getRealm() != null) {
            jexlContext.set("realm", any.getRealm().getFullPath());
        } else if (object instanceof final AnyTO anyTO && anyTO.getRealm() != null) {
            jexlContext.set("realm", anyTO.getRealm());
        } else if (object instanceof Realm realm) {
            jexlContext.set("fullPath", realm.getFullPath());
        } else if (object instanceof RealmTO realmTO) {
            jexlContext.set("fullPath", realmTO.getFullPath());
        }
    }