过滤枚举

枚举类

/**
     * 用户角色的枚举类
     *
     */
public enum RoleEnum {
    // 仓储角色
    LABORATORY_PERSON("LABORATORY_PERSON",
                      "实验室人员",
                      "365ef7b96870d8acdd4a016866193278",
                      "laboratoryPersonIndex.html",
                      "goods"),
    EQUIPMENT_MANAGEMENT_PERSON("EQUIPMENT_MANAGEMENT_PERSON",
                                "设备管理员",
                                "34ea46330ea7757982a1bde76d6f33bd",
                                "equipmentManagePersonIndex.html",
                                "goods"),
    NORMAL_PERSON("NORMAL_PERSON",
                  "普通用户",
                  "7d9414e9a89692843acde8870de586d0",
                  "normalPersonIndex.html",
                  "goods"),

    // 业务角色
    BUY_PERSON(
        "BUY_PERSON",
        "采购人员",
        "9cec100a371ab680b1c26284d423a416",
        "buyPersonIndex.html",
        "biz"),
    GOODS_MANAGEMENT_PERSON("GOODS_MANAGEMENT_PERSON",
                            "物资管理员",
                            "d21575130f577013a307a1e5aa8ca1fe",
                            "goodsManagementPersonIndex.html",
                            "biz"),
    SELL_PERSON("SELL_PERSON",
                "出库人员",
                "b65766942f5ec940476c93530ad2eea3",
                "sellPerson.html",
                "biz"),
    SELL_PERSON_LEADER("SELL_PERSON_LEADER",
                       "出库人员领导",
                       "8ac454ce1338c811d7d83b4006a77bc1",
                       "sellPerson.html",
                       "biz"),

    // 管理员
    SUPER_ADMIN("SUPER_ADMIN",
                "超级管理员",
                "superadmin_role",
                "superAdmin.html",
                "sys");


    private String role;
    private String roleName;
    private String roleId;
    private String welcomePage;
    private String module;

    RoleEnum() {
    }

    RoleEnum(String role, String roleName, String roleId, String welcomePage, String module) {
        this.role = role;
        this.roleName = roleName;
        this.roleId = roleId;
        this.welcomePage = welcomePage;
        this.module = module;
    }

}

/**
     * 获得用户的角色枚举
     *
     * @param roleId
     * @return
     */
public static RoleEnum getUserRole(String roleId) {
    RoleEnum roleEnum = null;
    Optional<RoleEnum> optional = Arrays.stream(RoleEnum.values()).filter(e -> roleId.equals(e.getRoleId())).findFirst();
    if (optional.isPresent()) {
        roleEnum = optional.get();
    }
    // 这里应该用orElse优化
    return roleEnum;
}