public static Collection toCollection()

in src/main/java/org/apache/sling/scripting/sightly/compiler/util/ObjectModel.java [259:296]

• 38 lines of code
• 12 McCabe index (conditional complexity)

    public static Collection<Object> toCollection(Object object) {
        if (object == null) {
            return Collections.emptyList();
        }
        if (object instanceof Object[]) {
            return Arrays.asList((Object[]) object);
        }
        if (object.getClass().isArray()) {
            int length = Array.getLength(object);
            Collection<Object> list = new ArrayList<>();
            for (int i = 0; i < length; i++) {
                list.add(Array.get(object, i));
            }
            return list;
        }
        if (object instanceof Collection) {
            return (Collection<Object>) object;
        }
        if (object instanceof Map) {
            return ((Map) object).keySet();
        }
        if (object instanceof Enumeration) {
            return Collections.list((Enumeration<Object>) object);
        }
        if (object instanceof Iterator) {
            return fromIterator((Iterator<Object>) object);
        }
        if (object instanceof Iterable) {
            Iterable<Object> iterable = (Iterable<Object>) object;
            return fromIterator(iterable.iterator());
        }
        if (object instanceof String || object instanceof Number) {
            Collection<Object> list = new ArrayList<>();
            list.add(object);
            return list;
        }
        return Collections.emptyList();
    }