package com.gk.hotwork.Domain.Utils;
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import cn.hutool.core.util.ObjectUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.setting.Setting;
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import com.google.common.base.Splitter;
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import com.google.common.collect.Lists;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.Jwts;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Optional;
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import java.util.function.Function;
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import java.util.function.Supplier;
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import java.util.stream.Collectors;
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/**
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* 常用工具类
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*
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* @author zhangby
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* @date 2019-05-13 12:20
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*/
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public class CommonUtil {
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/**
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* 解析token
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* @return
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*/
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public static Claims parseJwtNoBearer(String jwt){
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try{
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Claims claims = Jwts.parser()
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.setSigningKey("springCloud_oauth_service".getBytes())
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.parseClaimsJws(jwt).getBody();
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return claims;
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}catch(Exception ex){
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ex.printStackTrace();
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return null;
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}
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}
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/**
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* 解析token
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* @param jsonWebToken
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* @param base64Security
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* @return
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*/
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public static Claims parseJWT(String jsonWebToken, String base64Security){
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String jwt = jsonWebToken.replace("Bearer ", "");
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try{
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Claims claims = Jwts.parser()
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.setSigningKey(base64Security.getBytes())
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.parseClaimsJws(jwt).getBody();
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return claims;
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}catch(Exception ex){
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ex.printStackTrace();
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return null;
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}
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}
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/**
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* 解析token
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* @param jsonWebToken
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* @return
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*/
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public static Claims parseJWT(String jsonWebToken){
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return emptyStr(jsonWebToken).map(token -> CommonUtil.parseJWT(token, "springCloud_oauth_service")).orElse(null);
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}
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/**
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* list数据转换
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* @param list list对象
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* @param func lamdba 表达式 function
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* @param <E> 原对象
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* @param <T> 转换完的对象
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* @return List<E>
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*/
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public static <E,T> List<E> convers(List<T> list, Function<T, E> func) {
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return list.stream().collect(ArrayList::new, (li, p) -> li.add(func.apply(p)), List::addAll);
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}
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/**
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* 加载错误信息
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* @return
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*/
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public static String loadErrorMsg(String num, Object... msg) {
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//获取错误码配置信息
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Setting errorSetting = ConfigUtil.getErrorSetting();
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//获取错误码
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String errMsg = errorSetting.get(StrUtil.format("code_{}", num));
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if (ObjectUtil.isNotNull(msg)) {
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errMsg = StrUtil.format(errMsg, msg);
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}
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return errMsg;
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}
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/**
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* 字符串模板替换 截取
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* ClassTest::getDictList4Function,{}::{} ->[ClassTest,getDictList4Function]
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*
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* @param str
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* @param temp
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* @return
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*/
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public static List<String> splitStr4Temp(String str, String temp) {
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List<String> rsList = Lists.newArrayList();
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Iterator<String> iterator = Splitter.on("{}").omitEmptyStrings().split(temp).iterator();
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while (iterator.hasNext()) {
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str = str.replace(iterator.next(), "〆");
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}
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Iterator<String> split = Splitter.on("〆").omitEmptyStrings().split(str).iterator();
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while (split.hasNext()) {
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rsList.add(split.next());
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}
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return rsList.stream().filter(StrUtil::isNotBlank).collect(Collectors.toList());
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}
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/**
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* 异常捕获
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* @param resolver resolver
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* @param <T> T
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* @return
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*/
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public static <T> Optional<T> resolve(Supplier<T> resolver) {
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Optional<T> optional = Optional.empty();
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try {
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T result = resolver.get();
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optional = Optional.ofNullable(result);
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} catch (Exception e) {
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optional = Optional.empty();
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}
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return optional;
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}
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public static Optional<String> emptyStr(String string) {
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return Optional.ofNullable(string).filter(StrUtil::isNotBlank);
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}
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}
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