[Java] BeanClassに全ての項目に値がリフラッシュ

以前仕事中によく使われていた共通メソッド

呼出元.java {
    return (GetChangeAddressDialogInfoOutDto) CommonUtil.refreshServOutDto(serviceOutDto);
}

■CommonUtil.java
/**
     * ServiceOutDtoをRereshする <br>
     * (String Type : Null -> Blank)
     * 
     * @param bean
     * @return Object
     */
    public static Object refreshServOutDto(Object bean) {
        if (bean != null) {
            return refreshServOutDto(bean, StringUtils.EMPTY);
        }
        return bean;
    }

    /**
     * ServiceOutDtoをRereshする
     * 
     * @param bean
     * @param defaultStr
     * @return Object
     */
    @SuppressWarnings({"rawtypes", "unchecked"})
    public static Object refreshServOutDto(Object bean, String defaultStr) {
        if (bean != null) {
            Map bMap = new BeanMap(bean);
            HashMap hMap = new HashMap(bMap);
            hMap.remove("class");
            Iterator itr = hMap.keySet().iterator();
            while (itr.hasNext()) {
                String propNm = (String) itr.next();
                reSetter(bean, propNm, defaultStr);
            }
        }
        return bean;
    }

    /**
     * Nullをブランクに変換
     * 
     * @param bean
     * @param propNm
     * @param defaultStr
     */
    @SuppressWarnings("rawtypes")
    public static <T> void reSetter(Object bean, String propNm, String defaultStr) {
        // デスクリプタを用意
        PropertyDescriptor nameProp;
        try {
            nameProp = new PropertyDescriptor(propNm, bean.getClass());
            // ゲッターメソッド取得
            Method nameGetter = nameProp.getReadMethod();
            Object nowVal = nameGetter.invoke(bean, (Object[]) null);

            // セッターメソッド取得
            Method nameSetter = nameProp.getWriteMethod();
            String PropType = nameProp.getPropertyType().toString();
            if (PropType.endsWith("java.util.List")) {
                // 配列
                if (nowVal == null) {
                    nameSetter.invoke(bean, (List) new ArrayList());
                }
            } else if (PropType.endsWith("java.lang.String")) {
                // 文字列
                String tmpStr = (String) nowVal;
                tmpStr = StringUtils.defaultIfEmpty(((String) nowVal), defaultStr);
                // "null"/"NULL"/"Null"の場合、変換
                if (Objects.equal(tmpStr.toLowerCase(), "null")) {
                    tmpStr = defaultStr;
                }
                nameSetter.invoke(bean, tmpStr);
            } else if (PropType.endsWith("int")) {
                // int

            } else if (PropType.endsWith("java.lang.Number")) {
                // Number

            } else if (PropType.endsWith("boolean")) {
                // boolean

            } else if (PropType.endsWith("java.util.Date")) {
                // Date

            } else if (PropType.matches(".*com\\.smbc_card\\.credit\\.compass\\.service\\.dto\\..+")) {
                // Java Bean Class (ex. Addressなど)
                if (nowVal == null) {
                    nameSetter.invoke(    bean,
                                        refreshServOutDto(getClassForName(
                                                                            PropType.replaceFirst(    "class ",
                                                                                                    StringUtils.EMPTY))
                                            .newInstance()));
                }
            }
        } catch (IntrospectionException | IllegalAccessException | IllegalArgumentException | InvocationTargetException
            | InstantiationException | ClassNotFoundException e) {
            System.out.println("異常情報 :" + e);
        }
    }

    /**
     * getClassForName
     * 
     * @param className
     * @return Class<T>
     * @throws ClassNotFoundException
     */
    @SuppressWarnings("unchecked")
    public static <T> Class<T> getClassForName(String className) throws ClassNotFoundException {
        return (Class<T>) Class.forName(className);
    }