package com.java110.api.listener;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.java110.utils.constant.*;
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import com.java110.utils.exception.ListenerExecuteException;
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import com.java110.utils.util.Assert;
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import com.java110.utils.util.StringUtil;
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import com.java110.core.context.DataFlowContext;
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import com.java110.core.factory.DataFlowFactory;
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import com.java110.core.smo.community.ICommunityInnerServiceSMO;
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import com.java110.dto.CommunityMemberDto;
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import com.java110.entity.center.AppService;
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import com.java110.event.service.api.ServiceDataFlowEvent;
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import com.java110.event.service.api.ServiceDataFlowListener;
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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.List;
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import java.util.Map;
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/**
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* Created by wuxw on 2018/11/15.
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*/
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public abstract class AbstractServiceApiDataFlowListener implements ServiceDataFlowListener {
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private static Logger logger = LoggerFactory.getLogger(AbstractServiceApiDataFlowListener.class);
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protected static final int DEFAULT_ORDER = 1;
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//默认序列
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protected static final int DEFAULT_SEQ = 1;
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protected static final int MAX_ROW = 50;
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@Autowired
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private RestTemplate restTemplate;
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@Autowired
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private RestTemplate restTemplateNoLoadBalanced;
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/**
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* 调用下游服务
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*
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* @param event
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* @return
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*/
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protected ResponseEntity<String> callService(ServiceDataFlowEvent event) {
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DataFlowContext dataFlowContext = event.getDataFlowContext();
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AppService service = event.getAppService();
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return callService(dataFlowContext, service, dataFlowContext.getReqJson());
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}
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/**
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* 调用下游服务
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*
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* @param context
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* @param serviceCode 下游服务
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* @return
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*/
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protected ResponseEntity<String> callService(DataFlowContext context, String serviceCode, Map paramIn) {
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ResponseEntity responseEntity = null;
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AppService appService = DataFlowFactory.getService(context.getAppId(), serviceCode);
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if (appService == null) {
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responseEntity = new ResponseEntity<String>("当前没有权限访问" + ServiceCodeConstant.SERVICE_CODE_QUERY_STORE_USERS, HttpStatus.UNAUTHORIZED);
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context.setResponseEntity(responseEntity);
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return responseEntity;
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}
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return callService(context, appService, paramIn);
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}
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/**
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* 调用下游服务
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*
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* @param context
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* @param appService 下游服务
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* @return
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*/
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protected ResponseEntity<String> callService(DataFlowContext context, AppService appService, Map paramIn) {
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ResponseEntity responseEntity = null;
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if (paramIn == null || paramIn.isEmpty()) {
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paramIn = context.getReqJson();
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}
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RestTemplate tmpRestTemplate = appService.getServiceCode().startsWith("out.") ? restTemplateNoLoadBalanced : restTemplate;
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String serviceUrl = appService.getUrl();
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HttpEntity<String> httpEntity = null;
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HttpHeaders header = new HttpHeaders();
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for (String key : context.getRequestCurrentHeaders().keySet()) {
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if (CommonConstant.HTTP_SERVICE.toLowerCase().equals(key.toLowerCase())) {
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continue;
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}
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header.add(key, context.getRequestCurrentHeaders().get(key));
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}
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header.add(CommonConstant.HTTP_SERVICE.toLowerCase(), appService.getServiceCode());
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try {
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if (CommonConstant.HTTP_METHOD_GET.equals(appService.getMethod())) {
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serviceUrl += "?";
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for (Object key : paramIn.keySet()) {
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serviceUrl += (key + "=" + paramIn.get(key) + "&");
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}
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if (serviceUrl.endsWith("&")) {
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serviceUrl = serviceUrl.substring(0, serviceUrl.lastIndexOf("&"));
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}
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httpEntity = new HttpEntity<String>("", header);
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responseEntity = tmpRestTemplate.exchange(serviceUrl, HttpMethod.GET, httpEntity, String.class);
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} else if (CommonConstant.HTTP_METHOD_PUT.equals(appService.getMethod())) {
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httpEntity = new HttpEntity<String>(JSONObject.toJSONString(paramIn), header);
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responseEntity = tmpRestTemplate.exchange(serviceUrl, HttpMethod.PUT, httpEntity, String.class);
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} else if (CommonConstant.HTTP_METHOD_DELETE.equals(appService.getMethod())) {
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httpEntity = new HttpEntity<String>(JSONObject.toJSONString(paramIn), header);
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responseEntity = tmpRestTemplate.exchange(serviceUrl, HttpMethod.DELETE, httpEntity, String.class);
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} else {
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httpEntity = new HttpEntity<String>(JSONObject.toJSONString(paramIn), header);
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responseEntity = tmpRestTemplate.exchange(serviceUrl, HttpMethod.POST, httpEntity, String.class);
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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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responseEntity = new ResponseEntity<String>("请求下游系统异常，" + e.getResponseBodyAsString(), e.getStatusCode());
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}
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return responseEntity;
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}
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/**
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* 请求落地方
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*
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* @param dataFlowContext
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* @param service
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* @param httpEntity
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*/
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protected void doRequest(DataFlowContext dataFlowContext, AppService service, HttpEntity<String> httpEntity) {
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ResponseEntity responseEntity = null;
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//配置c_service 时请注意 如果是以out 开头的调用外部的地址
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RestTemplate tmpRestTemplate = service.getServiceCode().startsWith("out.") ? restTemplateNoLoadBalanced : restTemplate;
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try {
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if (CommonConstant.HTTP_METHOD_GET.equals(service.getMethod())) {
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String requestUrl = dataFlowContext.getRequestHeaders().get("REQUEST_URL");
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if (!StringUtil.isNullOrNone(requestUrl)) {
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String param = requestUrl.contains("?") ? requestUrl.substring(requestUrl.indexOf("?") + 1, requestUrl.length()) : "";
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if (service.getUrl().contains("?")) {
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requestUrl = service.getUrl() + "&" + param;
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} else {
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requestUrl = service.getUrl() + "?" + param;
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}
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}
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responseEntity = tmpRestTemplate.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 = tmpRestTemplate.exchange(service.getUrl(), HttpMethod.PUT, httpEntity, String.class);
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} else if (CommonConstant.HTTP_METHOD_DELETE.equals(service.getMethod())) {
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String requestUrl = dataFlowContext.getRequestHeaders().get("REQUEST_URL");
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if (!StringUtil.isNullOrNone(requestUrl)) {
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String param = requestUrl.contains("?") ? requestUrl.substring(requestUrl.indexOf("?"), requestUrl.length()) : "";
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if (service.getUrl().contains("?")) {
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requestUrl = service.getUrl() + "&" + param;
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} else {
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requestUrl = service.getUrl() + "?" + param;
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}
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}
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responseEntity = tmpRestTemplate.exchange(requestUrl, HttpMethod.DELETE, httpEntity, String.class);
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} else {
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responseEntity = tmpRestTemplate.exchange(service.getUrl(), HttpMethod.POST, httpEntity, String.class);
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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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responseEntity = new ResponseEntity<String>("请求下游系统异常，" + e.getResponseBodyAsString(), 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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dataFlowContext.setResponseEntity(responseEntity);
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}
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/**
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* 处理返回报文信息
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*
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* @param dataFlowContext
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*/
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protected void doResponse(DataFlowContext dataFlowContext) {
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ResponseEntity<String> responseEntity = dataFlowContext.getResponseEntity();
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ResponseEntity<String> newResponseEntity = null;
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if (responseEntity == null ||
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responseEntity.getStatusCode() != HttpStatus.OK ||
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StringUtil.isNullOrNone(responseEntity.getBody()) ||
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!Assert.isJsonObject(responseEntity.getBody())) { //这里一般进不去
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return;
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}
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JSONObject resJson = JSONObject.parseObject(responseEntity.getBody());
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if (!resJson.containsKey("orders")
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|| !ResponseConstant.RESULT_CODE_SUCCESS.equals(resJson.getJSONObject("orders").getJSONObject("response").getString("code"))) {
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return;
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}
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if (resJson.containsKey("business") && resJson.getJSONArray("business").size() == 1) {
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JSONObject busiJson = resJson.getJSONArray("business").getJSONObject(0);
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if (busiJson.containsKey("orderTypeCd")) {
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busiJson.remove("orderTypeCd");
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}
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if (busiJson.containsKey("serviceCode")) {
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busiJson.remove("serviceCode");
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}
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if (busiJson.containsKey("response")) {
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busiJson.remove("response");
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}
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if (busiJson.containsKey("bId")) {
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busiJson.remove("bId");
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}
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if (busiJson.containsKey("businessType")) {
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busiJson.remove("businessType");
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}
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if (busiJson.containsKey("dataFlowId")) {
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busiJson.remove("dataFlowId");
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}
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//这个一般是 center服务和下游系统之间交互的流水可以删掉，返回出去也没有啥意义
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if (busiJson.containsKey("transactionId")) {
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busiJson.remove("transactionId");
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}
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//这里不直接把 下游系统返回的头信息直接扔给ResponseEntity 的原因是 下游系统的 header中的 Context-* 信息导致 客户端调用耗时很长，所以做一下处理
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//newResponseEntity = new ResponseEntity<String>(busiJson.toJSONString(),responseEntity.getHeaders(), HttpStatus.OK);
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Map<String, String> headersMap = responseEntity.getHeaders().toSingleValueMap();
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if (headersMap.containsKey("Content-Disposition")) {
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headersMap.remove("Content-Disposition");
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}
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if (headersMap.containsKey("Content-Type")) {
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headersMap.remove("Content-Type");
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}
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if (headersMap.containsKey("Content-Length")) {
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headersMap.remove("Content-Length");
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}
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if (headersMap.containsKey("Accept-Charset")) {
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headersMap.remove("Accept-Charset");
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}
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if (headersMap.containsKey("X-Application-Context")) {
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headersMap.remove("X-Application-Context");
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}
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HttpHeaders header = new HttpHeaders();
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header.setAll(headersMap);
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newResponseEntity = new ResponseEntity<String>(busiJson.toJSONString(), header, HttpStatus.OK);
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dataFlowContext.setResponseEntity(newResponseEntity);
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}
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}
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/**
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* 将rest 协议转为 订单协议
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*
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* @param business
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* @return
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*/
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protected JSONObject restToCenterProtocol(JSONObject business, Map<String, String> headers) {
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JSONObject centerProtocol = JSONObject.parseObject("{\"orders\":{},\"business\":[]}");
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freshOrderProtocol(centerProtocol.getJSONObject("orders"), headers);
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centerProtocol.getJSONArray("business").add(business);
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return centerProtocol;
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}
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/**
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* 将rest 协议转为 订单协议
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*
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* @param businesses 多个业务
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* @param headers 订单头信息
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* @return
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*/
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protected JSONObject restToCenterProtocol(JSONArray businesses, Map<String, String> headers) {
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JSONObject centerProtocol = JSONObject.parseObject("{\"orders\":{},\"business\":[]}");
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freshOrderProtocol(centerProtocol.getJSONObject("orders"), headers);
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centerProtocol.put("business", businesses);
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return centerProtocol;
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}
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/**
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* 刷入order信息
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*
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* @param orders 订单信息
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* @param headers 头部信息
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*/
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protected void freshOrderProtocol(JSONObject orders, Map<String, String> headers) {
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for (String key : headers.keySet()) {
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if (CommonConstant.HTTP_APP_ID.equals(key)) {
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orders.put("appId", headers.get(key));
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}
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if (CommonConstant.HTTP_TRANSACTION_ID.equals(key)) {
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orders.put("transactionId", headers.get(key));
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}
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if (CommonConstant.HTTP_SIGN.equals(key)) {
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orders.put("sign", headers.get(key));
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}
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if (CommonConstant.HTTP_REQ_TIME.equals(key)) {
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orders.put("requestTime", headers.get(key));
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}
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if (CommonConstant.HTTP_ORDER_TYPE_CD.equals(key)) {
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orders.put("orderTypeCd", headers.get(key));
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}
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if (CommonConstant.HTTP_USER_ID.equals(key)) {
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orders.put("userId", headers.get(key));
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}
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}
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}
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/**
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* 刷入order信息
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*
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* @param httpHeaders http 头信息
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* @param headers 头部信息
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*/
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protected void freshHttpHeader(HttpHeaders httpHeaders, Map<String, String> headers) {
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for (String key : headers.keySet()) {
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if (CommonConstant.HTTP_APP_ID.equals(key)) {
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httpHeaders.add("app_id", headers.get(key));
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}
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if (CommonConstant.HTTP_TRANSACTION_ID.equals(key)) {
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httpHeaders.add("transaction_id", headers.get(key));
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}
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if (CommonConstant.HTTP_REQ_TIME.equals(key)) {
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httpHeaders.add("req_time", headers.get(key));
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}
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if (CommonConstant.HTTP_USER_ID.equals(key)) {
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httpHeaders.add("user_id", headers.get(key));
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}
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}
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}
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/**
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* 校验小区和业主是否有关系
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*
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* @param paramInJson 请求报文
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* @param communityInnerServiceSMOImpl 小区内部调用接口
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*/
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protected void communityHasOwner(JSONObject paramInJson, ICommunityInnerServiceSMO communityInnerServiceSMOImpl) {
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CommunityMemberDto communityMemberDto = new CommunityMemberDto();
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communityMemberDto.setMemberId(paramInJson.getString("ownerId"));
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communityMemberDto.setCommunityId(paramInJson.getString("communityId"));
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communityMemberDto.setStatusCd(StatusConstant.STATUS_CD_VALID);
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communityMemberDto.setMemberTypeCd(CommunityMemberTypeConstant.OWNER);
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List<CommunityMemberDto> communityMemberDtoList = communityInnerServiceSMOImpl.getCommunityMembers(communityMemberDto);
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if (communityMemberDtoList == null || communityMemberDtoList.size() != 1) {
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throw new ListenerExecuteException(ResponseConstant.RESULT_CODE_ERROR, "业主和小区存在关系存在异常，请检查");
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}
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}
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/**
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* 分页信息校验
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*
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* @param reqJson
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*/
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protected void validatePageInfo(JSONObject reqJson) {
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Assert.jsonObjectHaveKey(reqJson, "page", "请求中未包含page信息");
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Assert.jsonObjectHaveKey(reqJson, "row", "请求中未包含row信息");
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}
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public RestTemplate getRestTemplate() {
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return restTemplate;
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}
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public void setRestTemplate(RestTemplate restTemplate) {
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this.restTemplate = restTemplate;
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}
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public RestTemplate getRestTemplateNoLoadBalanced() {
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return restTemplateNoLoadBalanced;
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}
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public void setRestTemplateNoLoadBalanced(RestTemplate restTemplateNoLoadBalanced) {
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this.restTemplateNoLoadBalanced = restTemplateNoLoadBalanced;
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}
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}
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