package com.java110.api.listener.system;
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import com.alibaba.fastjson.JSONObject;
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import com.aliyuncs.utils.StringUtils;
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import com.java110.api.listener.AbstractServiceApiListener;
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import com.java110.core.annotation.Java110Listener;
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import com.java110.core.context.DataFlowContext;
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import com.java110.core.event.service.api.ServiceDataFlowEvent;
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import com.java110.dto.businessDatabus.BusinessDatabusDto;
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import com.java110.dto.order.OrderDto;
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import com.java110.entity.center.AppService;
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import com.java110.entity.order.Business;
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import com.java110.intf.job.IDataBusInnerServiceSMO;
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import com.java110.utils.cache.DatabusCache;
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import com.java110.utils.cache.MappingCache;
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import com.java110.utils.constant.CommonConstant;
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import com.java110.utils.constant.DomainContant;
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import com.java110.utils.constant.ServiceCodeConstant;
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import com.java110.utils.util.StringUtil;
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import com.java110.vo.ResultVo;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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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.HttpMethod;
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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.web.client.HttpStatusCodeException;
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import org.springframework.web.client.RestTemplate;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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@Java110Listener("transferListener")
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public class TransferListener extends AbstractServiceApiListener {
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private final static Logger logger = LoggerFactory.getLogger(TransferListener.class);
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//databus 业务类型
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private static final String DATABUS_SWITCH = "DATABUS_SWITCH";
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private static final String DATABUS_SWITCH_ON = "ON"; // 开关打开
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@Autowired
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private IDataBusInnerServiceSMO dataBusInnerServiceSMOImpl;
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@Autowired
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private RestTemplate restTemplate;
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@Override
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protected void validate(ServiceDataFlowEvent event, JSONObject reqJson) {
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}
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@Override
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protected void doSoService(ServiceDataFlowEvent event, DataFlowContext context, JSONObject reqJson) {
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AppService service = event.getAppService();
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Map<String, String> reqHeader = context.getRequestCurrentHeaders();
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HttpHeaders header = new HttpHeaders();
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for (String key : context.getRequestCurrentHeaders().keySet()) {
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header.add(key, reqHeader.get(key));
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}
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HttpEntity<String> httpEntity = new HttpEntity<String>(reqJson.toJSONString(), header);
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String orgRequestUrl = context.getRequestHeaders().get("REQUEST_URL");
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//String serviceCode = "/" + reqHeader.get(CommonConstant.HTTP_RESOURCE) + "/" + reqHeader.get(CommonConstant.HTTP_ACTION);
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String serviceCode = service.getServiceCode();
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serviceCode = serviceCode.startsWith("/") ? serviceCode : ("/" + serviceCode);
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String requestUrl = service.getUrl() + serviceCode;
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ResponseEntity responseEntity = null;
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if (!StringUtil.isNullOrNone(orgRequestUrl)) {
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String param = orgRequestUrl.contains("?") ? orgRequestUrl.substring(orgRequestUrl.indexOf("?") + 1, orgRequestUrl.length()) : "";
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requestUrl += ("?" + param);
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}
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try {
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if (CommonConstant.HTTP_METHOD_GET.equals(service.getMethod())) {
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responseEntity = restTemplate.exchange(requestUrl, HttpMethod.GET, httpEntity, String.class);
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} else if (CommonConstant.HTTP_METHOD_PUT.equals(service.getMethod())) {
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responseEntity = restTemplate.exchange(requestUrl, HttpMethod.PUT, httpEntity, String.class);
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} else if (CommonConstant.HTTP_METHOD_DELETE.equals(service.getMethod())) {
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responseEntity = restTemplate.exchange(requestUrl, HttpMethod.DELETE, httpEntity, String.class);
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} else {
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responseEntity = restTemplate.exchange(requestUrl, HttpMethod.POST, httpEntity, String.class);
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}
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HttpHeaders headers = responseEntity.getHeaders();
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String oId = "-1";
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if (headers.containsKey(OrderDto.O_ID)) {
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oId = headers.get(OrderDto.O_ID).get(0);
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}
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//进入databus
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if (!CommonConstant.HTTP_METHOD_GET.equals(service.getMethod())) {
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dealDatabus(serviceCode, reqJson, oId);
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}
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} catch (HttpStatusCodeException e) { //这里spring 框架 在4XX 或 5XX 时抛出 HttpServerErrorException 异常，需要重新封装一下
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logger.error("请求下游服务【" + requestUrl + "】异常，参数为" + httpEntity + e.getResponseBodyAsString(), e);
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String body = e.getResponseBodyAsString();
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if (StringUtil.isJsonObject(body)) {
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JSONObject bodyObj = JSONObject.parseObject(body);
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if (bodyObj.containsKey("message") && !StringUtil.isEmpty(bodyObj.getString("message"))) {
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body = bodyObj.getString("message");
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}
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}
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responseEntity = new ResponseEntity<String>(body, e.getStatusCode());
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}
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logger.debug("API 服务调用下游服务请求：{}，返回为：{}", httpEntity, responseEntity);
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if (responseEntity.getStatusCode() != HttpStatus.OK) {
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responseEntity = ResultVo.createResponseEntity(ResultVo.CODE_ERROR, String.valueOf(responseEntity.getBody()));
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context.setResponseEntity(responseEntity);
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return;
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}
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if (StringUtils.isEmpty(responseEntity.getBody() + "")) {
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responseEntity = ResultVo.createResponseEntity(ResultVo.CODE_ERROR, "处理失败");
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context.setResponseEntity(responseEntity);
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return;
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}
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JSONObject resParam = JSONObject.parseObject(responseEntity.getBody() + "");
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if (resParam.containsKey("code") && resParam.containsKey("msg")) { // 说明微服务返回的是 resultVo 对象直接返回就可以
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context.setResponseEntity(responseEntity);
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return;
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}
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responseEntity = ResultVo.createResponseEntity(resParam);
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context.setResponseEntity(responseEntity);
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}
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/**
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* databus 处理
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* databus 是一种数据清洗和加载器，通过驱动的方式 对数据进行清洗。
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*
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* @param serviceCode
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* @param reqJson
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*/
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private void dealDatabus(String serviceCode, JSONObject reqJson, String oId) {
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String databusSwitch = MappingCache.getValue(DomainContant.COMMON_DOMAIN, DATABUS_SWITCH);
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if (!DATABUS_SWITCH_ON.equals(databusSwitch)) {
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return;
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}
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List<BusinessDatabusDto> databusDtos = DatabusCache.getDatabuss();
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if (!hasTypeCd(databusDtos, serviceCode)) {
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return;
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}
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List<Business> businesses = new ArrayList<>();
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Business business = null;
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business = new Business();
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business.setbId("-1");
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business.setBusinessTypeCd(serviceCode);
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business.setoId(oId);
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business.setData(reqJson);
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businesses.add(business);
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try {
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//同步databus
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dataBusInnerServiceSMOImpl.exchange(businesses);
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} catch (Exception e) {
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logger.error("传输databus 失败", e);
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}
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}
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private boolean hasTypeCd(List<BusinessDatabusDto> databusDtos, String serviceCode) {
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for (BusinessDatabusDto databusDto : databusDtos) {
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if (databusDto.getBusinessTypeCd().equals(serviceCode)) {
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return true;
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}
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}
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return false;
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}
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@Override
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public String getServiceCode() {
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return ServiceCodeConstant.SERVICE_CODE_SYSTEM_TRANSFER;
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}
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@Override
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public HttpMethod getHttpMethod() {
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return null;
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}
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}
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