Examples with GetDeploymentProcessDiagramCmd org.flowable.engine.impl.cmd.GetDeploymentProcessDiagramCmd used on opensource projects

Example 1 with GetDeploymentProcessDiagramCmd

use of org.flowable.engine.impl.cmd.GetDeploymentProcessDiagramCmd in project plumdo-work by wengwh.

the class ProcessDefinitionGetModelResource method processDefinitionGetModel.

@RequestMapping(value = "/process-definition/{processDefinitionId}/getModel", method = RequestMethod.GET, produces = "application/json", name = "流程定义获取对应模型")
public ModelResponse processDefinitionGetModel(@PathVariable String processDefinitionId) {
    ProcessDefinition processDefinition = getProcessDefinitionFromRequest(processDefinitionId);
    try {
        Deployment deployment = repositoryService.createDeploymentQuery().deploymentId(processDefinition.getDeploymentId()).singleResult();
        if (deployment == null) {
            throw new FlowableObjectNotFoundException("Could not find a process deployment with id '" + processDefinition.getDeploymentId() + "'.", Deployment.class);
        }
        Model modelData = null;
        if (deployment.getCategory() != null) {
            modelData = repositoryService.getModel(deployment.getCategory());
        }
        // 如果不存在，创建对应模型
        if (modelData == null) {
            InputStream bpmnStream = repositoryService.getResourceAsStream(processDefinition.getDeploymentId(), processDefinition.getResourceName());
            XMLInputFactory xif = XMLInputFactory.newInstance();
            InputStreamReader in = new InputStreamReader(bpmnStream, "UTF-8");
            XMLStreamReader xtr = xif.createXMLStreamReader(in);
            BpmnModel bpmnModel = new BpmnXMLConverter().convertToBpmnModel(xtr);
            BpmnJsonConverter converter = new BpmnJsonConverter();
            ObjectNode modelNode = converter.convertToJson(bpmnModel);
            modelData = repositoryService.newModel();
            modelData.setKey(processDefinition.getKey());
            modelData.setName(processDefinition.getName());
            modelData.setCategory(processDefinition.getCategory());
            ObjectNode modelObjectNode = new ObjectMapper().createObjectNode();
            modelObjectNode.put(ModelDataJsonConstants.MODEL_NAME, processDefinition.getName());
            modelObjectNode.put(ModelDataJsonConstants.MODEL_REVISION, 1);
            modelObjectNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION, processDefinition.getDescription());
            modelData.setMetaInfo(modelObjectNode.toString());
            repositoryService.saveModel(modelData);
            repositoryService.addModelEditorSource(modelData.getId(), modelNode.toString().getBytes("utf-8"));
            repositoryService.addModelEditorSourceExtra(modelData.getId(), IOUtils.toByteArray(managementService.executeCommand(new GetDeploymentProcessDiagramCmd(processDefinitionId))));
            repositoryService.setDeploymentCategory(processDefinition.getDeploymentId(), modelData.getId());
        }
        return restResponseFactory.createModelResponse(modelData);
    } catch (Exception e) {
        throw new FlowableException("Error  process-definition get model", e);
    }
}