package com.dy.pmsBase.util;
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import com.dy.common.util.ConfigXml;
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import com.dy.common.util.MD5;
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import com.dy.common.util.NumUtil;
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import com.dy.common.webListener.ConfigListener;
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import com.dy.pmsGlobal.daoBa.BaPrivilegeMapper;
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import com.dy.pmsGlobal.daoBa.BaPrivilegeMapper;
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import com.dy.pmsGlobal.pojoBa.BaPrivilege;
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import com.dy.pmsGlobal.pojoBa.BaUser;
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import org.jdom2.Document;
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import org.jdom2.Element;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.context.event.ApplicationReadyEvent;
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import org.springframework.context.ApplicationListener;
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import org.springframework.lang.NonNull;
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import org.springframework.stereotype.Component;
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import java.net.URL;
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import java.util.List;
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/**
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* 监听器，实现功能：在系统启动时初始化，向数据库中插入数据
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* 本监听器不能采用ServletContextListener方式，因为Servlet上下文Context创建后
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* Spring容器并没有创建完，而本类中用了Spring容器中的Bean，即privilegeDao。
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* 所以采用了Spring事件监听器来实现
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*/
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@Component
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public class PrivilegeListener implements ApplicationListener<ApplicationReadyEvent> {
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private BaPrivilegeMapper privilegeDao ;
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@Autowired
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public void setprivilegeDao(BaPrivilegeMapper privilegeDao){
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this.privilegeDao = privilegeDao ;
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}
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/**
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* SpringBoot容器已经准备好了
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* @param event 事件
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*/
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@Override
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public void onApplicationEvent(@NonNull ApplicationReadyEvent event) {
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try {
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//等1秒，等待com.alibaba.druid.pool.DruidDataSource实始化完成
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Thread.sleep(1000L);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}finally {
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if(!this.existPrivileges()){
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this.init(event);
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}
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}
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}
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/**
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* 实始化
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*/
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@SuppressWarnings("unused ")
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private void init(ApplicationReadyEvent event){
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try {
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URL configFileURL = ConfigListener.class.getResource("/privileges-config.xml" );
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ConfigXml configXml = new ConfigXml() ;
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Document doc = configXml.createDom(configFileURL) ;
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this.doInit(configXml, doc);
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} catch (Exception e) {
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System.out.println("系统启动时，初始化配置出错 !");
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System.out.println(e.getMessage());
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e.printStackTrace();
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}
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}
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private void doInit(ConfigXml configXml, Document doc) throws Exception{
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if(configXml != null && doc != null){
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Element prs = configXml.getElement(doc, "config.privileges") ;
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if(prs != null){
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List<Element> list = prs.getChildren() ;
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if(list != null){
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for(Element ele : list){
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String num = ele.getAttributeValue("num") ;
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String name = ele.getAttributeValue("name") ;
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String type = ele.getAttributeValue("type") ;
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String typeName = ele.getAttributeValue("type_name") ;
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this.savePrivilege(num, name, type,typeName);
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}
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}
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}
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}
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}
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/**
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* 数据库中是否存在行政区划数据
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* @return 存在否
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*/
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private boolean existPrivileges(){
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Long total = this.privilegeDao.selectCount() ;
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return (total != null && total > 0) ;
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}
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/**
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* 保存权限
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* @param name 编码
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* @param name 名称
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* @param type 类型
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*/
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private void savePrivilege(String num, String name, String type,String typeName) throws Exception{
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if((num != null && !num.trim().equals("")) &&
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(name != null && !name.trim().equals("")) &&
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(type != null && !type.trim().equals(""))){
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if(NumUtil.isPlusIntNumber(num) && NumUtil.isPlusIntNumber(type)){
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BaPrivilege po = new BaPrivilege() ;
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po.num = Integer.parseInt(num) ;
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po.name = name ;
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po.type = Integer.parseInt(type) ;
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po.typeName = typeName ;
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this.privilegeDao.insertSelective(po) ;
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}
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}
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}
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}
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