java判断通常的逻辑

package com.stylefeng.guns.core.common.constant.factory;

import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.stylefeng.guns.core.common.constant.cache.Cache;
import com.stylefeng.guns.core.common.constant.cache.CacheKey;
import com.stylefeng.guns.core.common.constant.state.ManagerStatus;
import com.stylefeng.guns.core.common.constant.state.MenuStatus;
import com.stylefeng.guns.modular.system.dao.*;
import com.stylefeng.guns.modular.system.model.*;
import com.stylefeng.guns.core.log.LogObjectHolder;
import com.stylefeng.guns.core.support.StrKit;
import com.stylefeng.guns.core.util.Convert;
import com.stylefeng.guns.core.util.SpringContextHolder;
import com.stylefeng.guns.core.util.ToolUtil;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.context.annotation.DependsOn;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.List;

/**
* 常量的生产工厂
*
* @author fengshuonan
* @date 2017年2月13日 下午10:55:21
*/
@Component
@DependsOn("springContextHolder")
public class ConstantFactory implements IConstantFactory {

private RoleMapper roleMapper = SpringContextHolder.getBean(RoleMapper.class);
private DeptMapper deptMapper = SpringContextHolder.getBean(DeptMapper.class);
private DictMapper dictMapper = SpringContextHolder.getBean(DictMapper.class);
private UserMapper userMapper = SpringContextHolder.getBean(UserMapper.class);
private MenuMapper menuMapper = SpringContextHolder.getBean(MenuMapper.class);
private NoticeMapper noticeMapper = SpringContextHolder.getBean(NoticeMapper.class);

public static IConstantFactory me() {
return SpringContextHolder.getBean("constantFactory");
}

/**
* 根据用户id获取用户名称
*
* @author stylefeng
* @Date 2017/5/9 23:41
*/
@Override
public String getUserNameById(Integer userId) {
User user = userMapper.selectById(userId);
if (user != null) {
return user.getName();
} else {
return "--";
}
}

/**
* 根据用户id获取用户账号
*
* @author stylefeng
* @date 2017年5月16日21:55:371
*/
@Override
public String getUserAccountById(Integer userId) {
User user = userMapper.selectById(userId);
if (user != null) {
return user.getAccount();
} else {
return "--";
}
}

/**
* 通过角色ids获取角色名称
*/
@Override
@Cacheable(value = Cache.CONSTANT, key = "'" + CacheKey.ROLES_NAME + "'+#roleIds")
public String getRoleName(String roleIds) {
Integer[] roles = Convert.toIntArray(roleIds);
StringBuilder sb = new StringBuilder();
for (int role : roles) {
Role roleObj = roleMapper.selectById(role);
if (ToolUtil.isNotEmpty(roleObj) && ToolUtil.isNotEmpty(roleObj.getName())) {
sb.append(roleObj.getName()).append(",");
}
}
return StrKit.removeSuffix(sb.toString(), ",");
}

/**
* 通过角色id获取角色名称
*/
@Override
@Cacheable(value = Cache.CONSTANT, key = "'" + CacheKey.SINGLE_ROLE_NAME + "'+#roleId")
public String getSingleRoleName(Integer roleId) {
if (0 == roleId) {
return "--";
}
Role roleObj = roleMapper.selectById(roleId);
if (ToolUtil.isNotEmpty(roleObj) && ToolUtil.isNotEmpty(roleObj.getName())) {
return roleObj.getName();
}
return "";
}

/**
* 通过角色id获取角色英文名称
*/
@Override
@Cacheable(value = Cache.CONSTANT, key = "'" + CacheKey.SINGLE_ROLE_TIP + "'+#roleId")
public String getSingleRoleTip(Integer roleId) {
if (0 == roleId) {
return "--";
}
Role roleObj = roleMapper.selectById(roleId);
if (ToolUtil.isNotEmpty(roleObj) && ToolUtil.isNotEmpty(roleObj.getName())) {
return roleObj.getTips();
}
return "";
}

/**
* 获取部门名称
*/
@Override
@Cacheable(value = Cache.CONSTANT, key = "'" + CacheKey.DEPT_NAME + "'+#deptId")
public String getDeptName(Integer deptId) {
Dept dept = deptMapper.selectById(deptId);
if (ToolUtil.isNotEmpty(dept) && ToolUtil.isNotEmpty(dept.getFullname())) {
return dept.getFullname();
}
return "";
}

/**
* 获取菜单的名称们(多个)
*/
@Override
public String getMenuNames(String menuIds) {
Integer[] menus = Convert.toIntArray(menuIds);
StringBuilder sb = new StringBuilder();
for (int menu : menus) {
Menu menuObj = menuMapper.selectById(menu);
if (ToolUtil.isNotEmpty(menuObj) && ToolUtil.isNotEmpty(menuObj.getName())) {
sb.append(menuObj.getName()).append(",");
}
}
return StrKit.removeSuffix(sb.toString(), ",");
}

/**
* 获取菜单名称
*/
@Override
public String getMenuName(Long menuId) {
if (ToolUtil.isEmpty(menuId)) {
return "";
} else {
Menu menu = menuMapper.selectById(menuId);
if (menu == null) {
return "";
} else {
return menu.getName();
}
}
}

/**
* 获取菜单名称通过编号
*/
@Override
public String getMenuNameByCode(String code) {
if (ToolUtil.isEmpty(code)) {
return "";
} else {
Menu param = new Menu();
param.setCode(code);
Menu menu = menuMapper.selectOne(param);
if (menu == null) {
return "";
} else {
return menu.getName();
}
}
}

/**
* 获取字典名称
*/
@Override
public String getDictName(Integer dictId) {
if (ToolUtil.isEmpty(dictId)) {
return "";
} else {
Dict dict = dictMapper.selectById(dictId);
if (dict == null) {
return "";
} else {
return dict.getName();
}
}
}

/**
* 获取通知标题
*/
@Override
public String getNoticeTitle(Integer dictId) {
if (ToolUtil.isEmpty(dictId)) {
return "";
} else {
Notice notice = noticeMapper.selectById(dictId);
if (notice == null) {
return "";
} else {
return notice.getTitle();
}
}
}

/**
* 根据字典名称和字典中的值获取对应的名称
*/
@Override
public String getDictsByName(String name, Integer val) {
Dict temp = new Dict();
temp.setName(name);
Dict dict = dictMapper.selectOne(temp);
if (dict == null) {
return "";
} else {
Wrapper<Dict> wrapper = new EntityWrapper<>();
wrapper = wrapper.eq("pid", dict.getId());
List<Dict> dicts = dictMapper.selectList(wrapper);
for (Dict item : dicts) {
if (item.getNum() != null && item.getNum().equals(val)) {
return item.getName();
}
}
return "";
}
}

/**
* 获取性别名称
*/
@Override
public String getSexName(Integer sex) {
return getDictsByName("性别", sex);
}

/**
* 获取用户登录状态
*/
@Override
public String getStatusName(Integer status) {
return ManagerStatus.valueOf(status);
}

/**
* 获取菜单状态
*/
@Override
public String getMenuStatusName(Integer status) {
return MenuStatus.valueOf(status);
}

/**
* 查询字典
*/
@Override
public List<Dict> findInDict(Integer id) {
if (ToolUtil.isEmpty(id)) {
return null;
} else {
EntityWrapper<Dict> wrapper = new EntityWrapper<>();
List<Dict> dicts = dictMapper.selectList(wrapper.eq("pid", id));
if (dicts == null || dicts.size() == 0) {
return null;
} else {
return dicts;
}
}
}

/**
* 获取被缓存的对象(用户删除业务)
*/
@Override
public String getCacheObject(String para) {
return LogObjectHolder.me().get().toString();
}

/**
* 获取子部门id
*/
@Override
public List<Integer> getSubDeptId(Integer deptid) {
Wrapper<Dept> wrapper = new EntityWrapper<>();
wrapper = wrapper.like("pids", "%[" + deptid + "]%");
List<Dept> depts = this.deptMapper.selectList(wrapper);

ArrayList<Integer> deptids = new ArrayList<>();

if(depts != null && depts.size() > 0){
for (Dept dept : depts) {
deptids.add(dept.getId());
}
}

return deptids;
}

/**
* 获取所有父部门id
*/
@Override
public List<Integer> getParentDeptIds(Integer deptid) {
Dept dept = deptMapper.selectById(deptid);
String pids = dept.getPids();
String[] split = pids.split(",");
ArrayList<Integer> parentDeptIds = new ArrayList<>();
for (String s : split) {
parentDeptIds.add(Integer.valueOf(StrKit.removeSuffix(StrKit.removePrefix(s, "["), "]")));
}
return parentDeptIds;
}

}