package com.vci.ubcs.omd.repeater;
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import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
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import com.alibaba.cloud.nacos.NacosServiceManager;
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import com.alibaba.fastjson.JSONObject;
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import com.alibaba.nacos.api.exception.NacosException;
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import com.alibaba.nacos.api.naming.NamingService;
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import com.alibaba.nacos.api.naming.pojo.Instance;
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import com.alibaba.nacos.api.naming.pojo.ServiceInfo;
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import com.vci.ubcs.omd.dto.BtmAndLinkTypeDdlDTO;
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import com.vci.ubcs.omd.vo.BtmTypeVO;
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import com.vci.ubcs.omd.vo.LinkTypeVO;
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import org.springblade.core.launch.constant.AppConstant;
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import org.springblade.core.secure.utils.AuthUtil;
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import org.springblade.core.tool.api.R;
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import org.springblade.core.tool.utils.StringPool;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.stereotype.Component;
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import org.springframework.web.client.HttpClientErrorException;
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import org.springframework.web.client.RestTemplate;
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import javax.annotation.PostConstruct;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* Description: 领域转发器
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*
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* @author LiHang
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* @date 2023/4/25
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*/
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@Component
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public class DomainRepeater {
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/**
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* 控制器路径
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*/
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public static final String API_PREFIX = "ddl";
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/**
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* 新增或修改的转发路径名称
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*/
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public static final String API_SUBMIT = API_PREFIX + StringPool.SLASH + "submit";
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/**
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* 表名获取表信息
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*/
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public static final String API_GET_TABLE_INFO = API_PREFIX + StringPool.SLASH + "getTableColumnByTableName";
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/**
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* 获取全部表信息
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*/
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public static final String API_GET_ALL_TABLE_INFO = API_PREFIX + StringPool.SLASH + "getAllTableInfo";
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/**
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* 获取数据库和业务类型中的不同的地方
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*/
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public static final String API_CHECK_DIFFERENT_REFLEX = API_PREFIX + StringPool.SLASH + "checkDifferentAndReflex";
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/**
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* 用于构建静态服务类
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*/
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public static DomainRepeater domainRepeater;
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/**
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* Nacos服务列表
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*/
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private static NamingService namingService;
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@Autowired
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private NacosServiceManager manager;
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@Autowired
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private NacosDiscoveryProperties properties;
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@PostConstruct
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private void init() {
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domainRepeater = this;
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namingService = manager.getNamingService(properties.getNacosProperties());
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}
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/**
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* 一致性检查
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* @param ddlDTO 业务类型、链接类型传输对象
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* @param serviceName 服务名
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* @return 执行结果，有修改的就会返回。
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* @throws NacosException nacos查询服务出错时抛出异常
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*/
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public static R checkDifferent(BtmAndLinkTypeDdlDTO ddlDTO,String serviceName) throws NacosException {
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try {
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String url = getUrl(serviceName, API_CHECK_DIFFERENT_REFLEX);
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ResponseEntity<R> responseEntity = executePost(url, JSONObject.toJSONString(ddlDTO), null);
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if (responseEntity.getStatusCode().equals(HttpStatus.OK)) {
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R body = Objects.requireNonNull(responseEntity.getBody());
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return body;
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}
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return R.fail(String.valueOf(responseEntity.getStatusCode().value()));
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}catch (HttpClientErrorException e) {
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if (HttpStatus.NOT_FOUND.equals(e.getStatusCode())) {
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R fail = R.fail("调用服务失败");
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fail.setCode(HttpStatus.NOT_FOUND.value());
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return fail;
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}
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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return R.fail("未知错误");
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}
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/**
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* 根据api接口拼接url地址
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* @param serviceName 服务名
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* @param api 接口地址
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* @return url地址
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* @throws NacosException nacos查询服务出错时抛出异常
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*/
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public static String getUrl(String serviceName,String api) throws NacosException {
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Instance service = namingService.selectOneHealthyInstance(AppConstant.APPLICATION_GATEWAY_NAME);
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return "http://" + service.getIp() + StringPool.COLON + service.getPort() + StringPool.SLASH + serviceName + StringPool.SLASH + api;
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}
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/**
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* 新增或修改业务类型
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* @param vo 业务类型传输对象
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* @param serviceName 服务名
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* @return 执行结果，有修改的就会返回。
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*/
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public static R submitBtmType(String serviceName, BtmTypeVO vo) {
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try {
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String url = getUrl(serviceName, API_SUBMIT);
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BtmAndLinkTypeDdlDTO ddlDTO = new BtmAndLinkTypeDdlDTO();
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ddlDTO.setBtmTypeList(new ArrayList<>(Collections.singletonList(vo)));
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ResponseEntity<R> responseEntity = executePost(url, JSONObject.toJSONString(ddlDTO), null);
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if (responseEntity.getStatusCode().equals(HttpStatus.OK)) {
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return responseEntity.getBody();
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}
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return R.fail(String.valueOf(responseEntity.getStatusCode().value()));
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} catch (HttpClientErrorException e) {
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if (HttpStatus.NOT_FOUND.equals(e.getStatusCode())) {
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R fail = R.fail("调用服务失败");
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fail.setCode(HttpStatus.NOT_FOUND.value());
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return fail;
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}
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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return R.fail("未知错误");
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}
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/**
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* 新增或修改链接类型
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* @param vo 业务类型传输对象
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* @param serviceName 服务名
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* @return 执行结果，有修改的就会返回。
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*/
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public static R submitLinkType(String serviceName, LinkTypeVO vo) {
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try {
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String url = getUrl(serviceName, API_SUBMIT);
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BtmAndLinkTypeDdlDTO ddlDTO = new BtmAndLinkTypeDdlDTO();
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ddlDTO.setLinkTypeList(new ArrayList<>(Collections.singletonList(vo)));
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ResponseEntity<R> responseEntity = executePost(url, JSONObject.toJSONString(ddlDTO), null);
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if (responseEntity.getStatusCode().equals(HttpStatus.OK)) {
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return responseEntity.getBody();
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}
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return R.fail(String.valueOf(responseEntity.getStatusCode().value()));
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} catch (HttpClientErrorException e) {
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if (HttpStatus.NOT_FOUND.equals(e.getStatusCode())) {
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R fail = R.fail("调用服务失败");
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fail.setCode(HttpStatus.NOT_FOUND.value());
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return fail;
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}
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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return R.fail("未知错误");
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}
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/**
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* 执行httpPost接口
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*
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* @param url 地址
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* @param body 请求体
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* @param extraHeaders 请求头参数
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* @return 执行结果
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*/
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private static ResponseEntity<R> executePost(String url, String body, Map<String, String> extraHeaders) {
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RestTemplate restTemplate = new RestTemplate();
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HttpHeaders httpHeaders = new HttpHeaders();
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httpHeaders.add("Content-Type", "application/json;charset=UTF-8");
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httpHeaders.add("Blade-Auth", AuthUtil.getHeader());
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Optional.ofNullable(extraHeaders).orElseGet(HashMap::new).forEach(httpHeaders::add);
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HttpEntity<String> request = new HttpEntity<>(body, httpHeaders);
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return restTemplate.postForEntity(url, request, R.class);
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}
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/**
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* 获取所有已注册的服务
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* @return 不包含默认服务的其他服务
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* @throws NacosException
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*/
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public static List<String> getDomain() throws NacosException {
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List<ServiceInfo> services = namingService.getSubscribeServices();
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Set<String> serviceNames = new HashSet<>();
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serviceNames.add(AppConstant.APPLICATION_GATEWAY_NAME);
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serviceNames.add(AppConstant.APPLICATION_ADMIN_NAME);
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serviceNames.add(AppConstant.APPLICATION_AUTH_NAME);
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serviceNames.add(AppConstant.APPLICATION_DESK_NAME);
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serviceNames.add(AppConstant.APPLICATION_DEVELOP_NAME);
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serviceNames.add(AppConstant.APPLICATION_FLOW_NAME);
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serviceNames.add(AppConstant.APPLICATION_FLOWDESIGN_NAME);
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serviceNames.add(AppConstant.APPLICATION_LOG_NAME);
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serviceNames.add(AppConstant.APPLICATION_REPORT_NAME);
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serviceNames.add(AppConstant.APPLICATION_SWAGGER_NAME);
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serviceNames.add(AppConstant.APPLICATION_SYSTEM_NAME);
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serviceNames.add(AppConstant.APPLICATION_TURBINE_NAME);
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serviceNames.add(AppConstant.APPLICATION_USER_NAME);
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serviceNames.add(AppConstant.APPLICATION_WEBSOCKET_NAME);
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serviceNames.add(AppConstant.APPLICATION_ZIPKIN_NAME);
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serviceNames.add(AppConstant.APPLICATION_NAME_OMD);
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return services.stream().map(ServiceInfo::getName).filter(s -> !serviceNames.contains(s)).collect(Collectors.toList());
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}
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}
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