public boolean test()

in core/src/main/java/org/apache/commons/functor/core/collection/IsEmpty.java [54:69]

• 16 lines of code
• 5 McCabe index (conditional complexity)

    public boolean test(A obj) {
        Validate.notNull(obj, "Argument must not be null");
        if (obj instanceof Collection<?>) {
            return testCollection((Collection<?>) obj);
        }
        if (obj instanceof Map<?, ?>) {
            return testMap((Map<?, ?>) obj);
        }
        if (obj instanceof String) {
            return testString((String) obj);
        }
        if (obj.getClass().isArray()) {
            return testArray(obj);
        }
        throw new IllegalArgumentException("Expected Collection, Map, String or Array, found " + obj.getClass());
    }