static boolean isDTOType()

in provider/tcp/src/main/java/org/apache/aries/rsa/provider/tcp/ser/DTOUtil.java [33:70]

29 lines of code
8 McCabe index (conditional complexity)


    static boolean isDTOType(Class<?> cls) {
        try {
            cls.getDeclaredConstructor();
        } catch (NoSuchMethodException | SecurityException e) {
            // No zero-arg constructor, not a DTO
            return false;
        }

        if (cls.getDeclaredMethods().length > 0) {
            // should not have any methods
            return false;
        }

        for (Method m : cls.getMethods()) {
            try {
                Object.class.getMethod(m.getName(), m.getParameterTypes());
            } catch (NoSuchMethodException snme) {
                // Not a method defined by Object.class (or override of such
                // method)
                return false;
            }
        }

        boolean foundField = false;
        for (Field f : cls.getFields()) {
            int modifiers = f.getModifiers();
            if (Modifier.isStatic(modifiers)) {
                // ignore static fields
                continue;
            }

            if (!Modifier.isPublic(modifiers)) {
                return false;
            }
            foundField = true;
        }
        return foundField;
    }