jason
8 months ago
parent
b88c09f48d
commit
3f8221ba84
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package cn.iocoder.yudao.module.bpm.service.task.trigger; |
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO; |
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.SimpleModelUtils; |
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import jakarta.annotation.Resource; |
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import lombok.extern.slf4j.Slf4j; |
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import org.flowable.engine.runtime.ProcessInstance; |
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import org.springframework.http.HttpEntity; |
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import org.springframework.http.HttpMethod; |
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import org.springframework.http.ResponseEntity; |
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import org.springframework.util.LinkedMultiValueMap; |
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import org.springframework.util.MultiValueMap; |
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import org.springframework.web.client.RestClientException; |
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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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import static cn.iocoder.yudao.framework.web.core.util.WebFrameworkUtils.HEADER_TENANT_ID; |
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/** |
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* BPM 发送 HTTP 请求触发器抽象类 |
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* |
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* @author jason |
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*/ |
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@Slf4j |
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public abstract class BpmAbstractHttpRequestTrigger implements BpmTrigger { |
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@Resource |
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private RestTemplate restTemplate; |
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protected ResponseEntity<String> sendHttpRequest(String url, |
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MultiValueMap<String, String> headers, |
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MultiValueMap<String, String> body) { |
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// TODO @芋艿：要不要抽象一个 Http 请求的工具类，方便复用呢？
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// 3. 发起请求
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HttpEntity<MultiValueMap<String, String>> requestEntity = new HttpEntity<>(body, headers); |
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ResponseEntity<String> responseEntity = null; |
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try { |
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responseEntity = restTemplate.exchange(url, HttpMethod.POST, |
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requestEntity, String.class); |
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log.info("[sendHttpRequest][HTTP 触发器，请求头：{}，请求体：{}，响应结果：{}]", headers, body, responseEntity); |
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} catch (RestClientException e) { |
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log.error("[sendHttpRequest][HTTP 触发器，请求头：{}，请求体：{}，请求出错：{}]", headers, body, e.getMessage()); |
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} |
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return responseEntity; |
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} |
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protected MultiValueMap<String, String> buildHttpHeaders(ProcessInstance processInstance, |
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List<BpmSimpleModelNodeVO.HttpRequestParam> headerSettings) { |
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Map<String, Object> processVariables = processInstance.getProcessVariables(); |
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MultiValueMap<String, String> headers = new LinkedMultiValueMap<>(); |
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headers.add(HEADER_TENANT_ID, processInstance.getTenantId()); |
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SimpleModelUtils.addHttpRequestParam(headers, headerSettings, processVariables); |
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return headers; |
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} |
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protected MultiValueMap<String, String> buildHttpBody(ProcessInstance processInstance, |
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List<BpmSimpleModelNodeVO.HttpRequestParam> bodySettings) { |
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Map<String, Object> processVariables = processInstance.getProcessVariables(); |
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MultiValueMap<String, String> body = new LinkedMultiValueMap<>(); |
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SimpleModelUtils.addHttpRequestParam(body, bodySettings, processVariables); |
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body.add("processInstanceId", processInstance.getId()); |
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return body; |
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} |
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} |
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@ -0,0 +1,50 @@ |
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package cn.iocoder.yudao.module.bpm.service.task.trigger; |
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import cn.iocoder.yudao.framework.common.util.json.JsonUtils; |
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO; |
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import cn.iocoder.yudao.module.bpm.enums.definition.BpmTriggerTypeEnum; |
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import cn.iocoder.yudao.module.bpm.service.task.BpmProcessInstanceService; |
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import jakarta.annotation.Resource; |
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import lombok.extern.slf4j.Slf4j; |
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import org.flowable.engine.runtime.ProcessInstance; |
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import org.springframework.stereotype.Component; |
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import org.springframework.util.MultiValueMap; |
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/** |
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* BPM 发送异步 HTTP 请求触发器 |
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* |
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* @author jason |
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*/ |
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@Component |
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@Slf4j |
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public class BpmAsyncHttpRequestTrigger extends BpmAbstractHttpRequestTrigger { |
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@Resource |
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private BpmProcessInstanceService processInstanceService; |
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@Override |
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public BpmTriggerTypeEnum getType() { |
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return BpmTriggerTypeEnum.ASYNC_HTTP_REQUEST; |
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} |
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@Override |
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public void execute(String processInstanceId, String param) { |
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// 1. 解析 http 请求配置
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BpmSimpleModelNodeVO.TriggerSetting.HttpRequestTriggerSetting setting = JsonUtils.parseObject(param, |
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BpmSimpleModelNodeVO.TriggerSetting.HttpRequestTriggerSetting.class); |
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if (setting == null) { |
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log.error("[execute][流程({}) HTTP 异步触发器请求配置为空]", processInstanceId); |
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return; |
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} |
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// 2.1 设置请求头
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ProcessInstance processInstance = processInstanceService.getProcessInstance(processInstanceId); |
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MultiValueMap<String, String> headers = buildHttpHeaders(processInstance, setting.getHeader()); |
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// 2.2 设置请求体
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MultiValueMap<String, String> body = buildHttpBody(processInstance, setting.getBody()); |
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body.add("callbackId", setting.getCallbackId()); // 异步请求 callbackId 需要传给被调用方. 用于回调执行
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// 3. 发起请求
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sendHttpRequest(setting.getUrl(), headers, body); |
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} |
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} |
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