Java Bean 对象之间找不同的字段值

@SuppressWarnings("all")
public class BeanDifferentUtils {

    private BeanDifferentUtils() {
        //do nothing
    }

    /**
     * @param source
     * @param target
     * @param collectionComplement 如果是数组字段，那么先算并集然后去掉并集
     * @return
     * @throws IntrospectionException
     * @throws InvocationTargetException
     * @throws IllegalAccessException
     */
    public static JSONObject diffField(Object source, Object target, boolean collectionComplement) throws IntrospectionException, InvocationTargetException, IllegalAccessException {
        JSONObject diff = new JSONObject();
        Assert.notNull(source, "Source must not be null");
        Assert.notNull(target, "Target must not be null");
        if (source.getClass() != target.getClass()) {
            throw new IllegalArgumentException("Source object and target object are not of the same type");
        }
        Class<?> compareObj = source.getClass();
        Field[] fields = compareObj.getDeclaredFields();
        for (Field field : fields) {
            PropertyDescriptor pd = new PropertyDescriptor(field.getName(), compareObj);
            Method getMethod = pd.getReadMethod();
            Object o1 = getMethod.invoke(source);
            Object o2 = getMethod.invoke(target);
            if (o1 instanceof Collection && o2 instanceof Collection) {
                boolean equals = deepEquals(o1, o2);
                if (!equals) {
                    if (collectionComplement) {
                        Collection<Object> beMixed = (Collection<Object>) getBeMixed(o1, o2);
                        diff.put(field.getName(), Different.getInstance(((Collection) o1).removeAll(beMixed), ((Collection) o2).removeAll(beMixed)));
                    } else {
                        diff.put(field.getName(), Different.getInstance(o1, o2));
                    }

                }
            }
            boolean deepEquals = deepEquals(o1, o2);
            if (!deepEquals) {
                diff.put(field.getName(), Different.getInstance(o1, o2));
            }
        }
        return diff;
    }


    private static boolean deepEquals(Object source, Object target) {
        if (source instanceof Collection && target instanceof Collection) {
            return Objects.deepEquals(((Collection) source).toArray(), ((Collection) target).toArray());
        }
        return Objects.deepEquals(source, target);
    }

    private static Object getBeMixed(Object source, Object target) {
        Collection<Object> sourceCollection = (Collection<Object>) source;
        Collection<Object> targetCollection = (Collection<Object>) target;
        return sourceCollection.stream().filter(targetCollection::contains).collect(Collectors.toList());
    }


    @Data
    static class Different {
        private Object source;
        private Object target;

        public static Different getInstance(Object source, Object target) {
            Different different = new Different();
            different.source = source;
            different.target = target;
            return different;
        }
    }