枚举的使用方法

public enum PermissionEnum {

    ECMNG_ACCESS_MANAGE("ECMNG_ACCESS_MANAGE", "内部权限管理"), //
    ECMNG_CLASSIFY("ECMNG_CLASSIFY", "分类管理"), //
    ECMNG_NEW("ECMNG_NEW", "新建区域"), //
    ECMNG_CONTENT_MODIFY("ECMNG_CONTENT_MODIFY", "内容修改"), //
    ECMNG_TEMPLATE_MODIFY("ECMNG_TEMPLATE_MODIFY", "模板修改"), //
    ECMNG_TEST("ECMNG_TEST", "测试"), //
    ECMNG_PUBLISH("ECMNG_PUBLISH", "发布");

    /** 枚举值 */
    private String code;

    /** 描述 */
    private String message;

    /**
     * @param code
     * @param message
     */
    PermissionEnum(String code, String message) {
        this.code = code;
        this.message = message;
    }

    /**
     * 根据code获取枚举类实例
     * @param code
     * @return
     */
    public static PermissionEnum getByCode(String code) {
        for (PermissionEnum order : values()) {
            if (StringUtils.equals(order.code, code))
                return order;
        }
        return null;
    }

    /**
     * Getter method for property <tt>code</tt>.
     * 
     * @return property value of code
     */
    public String getCode() {
        return code;
    }

    /**
     * Setter method for property <tt>code</tt>.
     * 
     * @param code value to be assigned to property code
     */
    public void setCode(String code) {
        this.code = code;
    }

    /**
     * Getter method for property <tt>message</tt>.
     * 
     * @return property value of message
     */
    public String getMessage() {
        return message;
    }

    /**
     * Setter method for property <tt>message</tt>.
     * 
     * @param message value to be assigned to property message
     */
    public void setMessage(String message) {
        this.message = message;
    }
}