package com.highdatas.mdm.service.act.impl;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import com.highdatas.mdm.pojo.Result;
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import com.highdatas.mdm.process.canvas.ProcessDiagramGenerator;
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import com.highdatas.mdm.util.WorkflowUtils;
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import lombok.extern.slf4j.Slf4j;
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import org.activiti.bpmn.converter.BpmnXMLConverter;
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import org.activiti.bpmn.model.BpmnModel;
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import org.activiti.bpmn.model.FlowElement;
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import org.activiti.editor.constants.ModelDataJsonConstants;
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import org.activiti.editor.language.json.converter.BpmnJsonConverter;
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import org.activiti.engine.ActivitiException;
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import org.activiti.engine.HistoryService;
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import org.activiti.engine.RepositoryService;
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import org.activiti.engine.repository.Deployment;
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import org.activiti.engine.repository.Model;
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import org.activiti.engine.repository.ModelQuery;
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import org.activiti.engine.repository.ProcessDefinition;
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import org.activiti.engine.task.Task;
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import org.apache.batik.transcoder.TranscoderInput;
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import org.apache.batik.transcoder.TranscoderOutput;
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import org.apache.batik.transcoder.image.PNGTranscoder;
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import org.apache.commons.fileupload.FileItem;
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import org.apache.commons.fileupload.disk.DiskFileItemFactory;
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import org.apache.commons.fileupload.servlet.ServletFileUpload;
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import org.apache.commons.io.FilenameUtils;
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import org.apache.commons.io.IOUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.xml.stream.XMLInputFactory;
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import javax.xml.stream.XMLStreamReader;
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import java.io.*;
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import java.util.*;
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import java.util.zip.ZipInputStream;
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@Slf4j
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@Service
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public class RepositoryServiceImpl extends BaseServiceImpl implements com.highdatas.mdm.service.act.RepositoryService{
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private static final String MODEL_NAME = "name";
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private static final String MODEL_REVISION = "revision";
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private static final String MODEL_DESCRIPTION = "description";
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@Autowired
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RepositoryService service;
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@Autowired
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HistoryService historyService;
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@Autowired
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ObjectMapper objectMapper;
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@Value("${img.url}")
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String basePath;
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//download
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public void getModelXml(HttpServletResponse response, String modelId) throws IOException {
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Model model = service.getModel(modelId);
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BpmnJsonConverter jsonConverter = new BpmnJsonConverter();
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JsonNode editorNode = new ObjectMapper().readTree(service.getModelEditorSource(model.getId()));
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BpmnModel bpmnModel = jsonConverter.convertToBpmnModel(editorNode);
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BpmnXMLConverter xmlConverter = new BpmnXMLConverter();
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byte[] bpmnBytes = xmlConverter.convertToXML(bpmnModel);
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ByteArrayInputStream in = new ByteArrayInputStream(bpmnBytes);
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IOUtils.copy(in, response.getOutputStream());
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String filename = bpmnModel.getMainProcess().getId() + ".bpmn20.xml";
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response.setHeader("Content-Disposition", "attachment; filename=" + filename);
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response.flushBuffer();
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}
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@Override
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public InputStream getModelImg(String modelId) {
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InputStream resource = null;
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try{
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Model model = service.createModelQuery().modelId(modelId).singleResult();
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JsonNode editorNode = new ObjectMapper().readTree(service.getModelEditorSource(model.getId()));
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BpmnJsonConverter jsonConverter = new BpmnJsonConverter();
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BpmnModel bpmnModel = jsonConverter.convertToBpmnModel(editorNode);
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ProcessDiagramGenerator diagramGenerator = new ProcessDiagramGenerator();
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resource = diagramGenerator.generateDiagram(bpmnModel, "png",null,null, "宋体","宋体" ,null, null,0);
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return resource;
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}
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catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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finally {
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if (resource != null) {
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try {
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resource.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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}
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public boolean updateProcessDefStatus(String type, String modelId) {
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Model model = service.createModelQuery().modelId(modelId).singleResult();
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ProcessDefinition processDefinition = service.createProcessDefinitionQuery().deploymentId(model.getDeploymentId()).singleResult();
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String processDefinitionId = processDefinition.getId();
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try {
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if ("active".equalsIgnoreCase(type)) {
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service.activateProcessDefinitionById(processDefinitionId, true, null);
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}
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else if ("suspend".equalsIgnoreCase(type)) {
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service.suspendProcessDefinitionById(processDefinitionId, true, null);
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}
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return true;
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//resultPool.addValue(type +" update success");
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} catch (Exception e) {
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e.printStackTrace();
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//resultPool.addValue(type +" update fail");
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log.debug(type +" update fail");
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return false;
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}
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}
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public boolean deleteDeployModel(String modelId) {
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try {
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Model modelData = service.getModel(modelId);
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String deploymentId = modelData.getDeploymentId();
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if (deploymentId != null) {
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service.deleteDeployment(deploymentId, true);
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modelData.setDeploymentId(null);
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modelData.setCategory(null);
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}
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return true;
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//resultPool.addValue("删除部署成功，部署ID=" + deploymentId);
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}
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catch (Exception e) {
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e.printStackTrace();
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//resultPool.addValue("删除部署失败，modelId=" + modelId);
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log.error("根据模型删除部署流程失败：modelId="+modelId, e);
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return false;
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}
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}
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public boolean deployModel(String modelId) {
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try {
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Model modelData = service.getModel(modelId);
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ObjectNode modelNode = (ObjectNode) new ObjectMapper().readTree(service.getModelEditorSource(modelData.getId()));
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byte[] bpmnBytes = null;
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BpmnModel model = new BpmnJsonConverter().convertToBpmnModel(modelNode);
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bpmnBytes = new BpmnXMLConverter().convertToXML(model);
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String processName = modelData.getName() + ".bpmn20.xml";
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Deployment deployment = service.createDeployment().name(modelData.getName()).addString(processName, new String(bpmnBytes,"UTF-8")).deploy();
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modelData.setDeploymentId(deployment.getId());
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modelData.setCategory(deployment.getId());
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service.saveModel(modelData);
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return true;
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// resultPool.addValue("部署成功，部署ID=" + deployment.getId());
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}
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catch (Exception e) {
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e.printStackTrace();
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//resultPool.addValue("部署失败，modelId=" + modelId);
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log.error("根据模型部署流程失败：modelId="+modelId, e);
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return false;
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}
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}
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@Override
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public boolean deleteModel(String modelId) {
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try {
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Model model = service.getModel(modelId);
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String deploymentId = model.getDeploymentId();
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if (deploymentId != null) {
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//TODO
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// updateDeletedStatus("agreement",deploymentId);
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// updateDeletedStatus("rebateslit",deploymentId);
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//updateDeletedStatus("agreement",deploymentId);
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service.deleteDeployment(deploymentId,true);
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}
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service.deleteModel(modelId);
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return true;
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//resultPool.addValue("delete model successful");
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}
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catch (Exception e) {
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e.printStackTrace();
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log.debug("delete model failed");
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//resultPool.addValue("delete model failed");
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return false;
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}
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}
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public String createModel(String modelName, String key, String desp) throws UnsupportedEncodingException {
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ObjectMapper objectMapper = new ObjectMapper();
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ObjectNode editorNode = objectMapper.createObjectNode();
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editorNode.put("id", "canvas");
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editorNode.put("resourceId", "canvas");
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ObjectNode stencilSetNode = objectMapper.createObjectNode();
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stencilSetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#");
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editorNode.set("stencilset", stencilSetNode);
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Model modelData = service.newModel();
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ObjectNode modelObjectNode = objectMapper.createObjectNode();
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modelObjectNode.put(MODEL_NAME, modelName);
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modelObjectNode.put(MODEL_REVISION, 1);
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modelObjectNode.put(MODEL_DESCRIPTION, desp);
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modelData.setMetaInfo(modelObjectNode.toString());
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modelData.setName(modelName);
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modelData.setKey(key);
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service.saveModel(modelData);
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service.addModelEditorSource(modelData.getId(), editorNode.toString().getBytes("utf-8"));
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String id = modelData.getId();
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return id;
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//resultPool.addValue(id);
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}
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@SuppressWarnings("unchecked")
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public void uploadFlow(HttpServletRequest request) {
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try{
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//TODO 修改需
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DiskFileItemFactory factory = new DiskFileItemFactory();
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ServletFileUpload servletFileUpload = new ServletFileUpload(factory);
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servletFileUpload.setHeaderEncoding("UTF-8");
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List<FileItem> items = servletFileUpload.parseRequest(request);
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if (items.isEmpty()) {
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//resultPool.error("请选择上传文件");
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return;
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}
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FileItem fileItem = items.get(0);
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InputStream inputStream = fileItem.getInputStream();
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Deployment deployment = null;
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String extension = FilenameUtils.getExtension(fileItem.getName());
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if (extension.equals("zip") || extension.equals("bar")) {
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ZipInputStream zip = new ZipInputStream(inputStream);
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deployment = service.createDeployment().addZipInputStream(zip).deploy();
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} else {
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deployment = service.createDeployment().addInputStream(fileItem.getName(), inputStream).deploy();
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}
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ProcessDefinition processDefinition = service.createProcessDefinitionQuery().deploymentId(deployment.getId()).singleResult();
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Model model = change2Model(processDefinition);
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byte[] modelEditorSource = service.getModelEditorSource(model.getId());
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String string = new String(modelEditorSource, "utf-8");
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log.debug(string);
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//TODO dir
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WorkflowUtils.exportDiagramToFile(service, processDefinition, "model/"+model.getId()+".png");
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} catch (Exception e) {
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e.printStackTrace();
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log.error("error on deploy process, because of file input stream", e);
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}
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}
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private Model change2Model(ProcessDefinition processDefinition)throws Exception {
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InputStream bpmnStream = service.getResourceAsStream(processDefinition.getDeploymentId(),processDefinition.getResourceName());
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String processDefinitionKey = processDefinition.getKey();
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int modelVersion = 1;
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XMLInputFactory xif = XMLInputFactory.newInstance();
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InputStreamReader in = new InputStreamReader(bpmnStream, "UTF-8");
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XMLStreamReader xtr = xif.createXMLStreamReader(in);
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BpmnModel bpmnModel = new BpmnXMLConverter().convertToBpmnModel(xtr);
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BpmnJsonConverter converter = new BpmnJsonConverter();
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ObjectNode modelNode = converter.convertToJson(bpmnModel);
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List<Model> list = service.createModelQuery().modelKey(processDefinitionKey).orderByModelVersion().desc().list();
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if (list.size() != 0) {
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Model MaxVerModel = list.get(0);
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Integer version = MaxVerModel.getVersion();
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modelVersion = version+1;
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}
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Model modelData = service.newModel();
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modelData.setKey(processDefinitionKey);
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modelData.setName(processDefinition.getResourceName());
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modelData.setCategory(processDefinition.getDeploymentId());
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modelData.setDeploymentId(processDefinition.getDeploymentId());
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modelData.setVersion(modelVersion);
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ObjectNode modelObjectNode = new ObjectMapper().createObjectNode();
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modelObjectNode.put(ModelDataJsonConstants.MODEL_NAME, processDefinition.getName());
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modelObjectNode.put(ModelDataJsonConstants.MODEL_REVISION, modelVersion);
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modelObjectNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION, processDefinition.getDescription());
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modelData.setMetaInfo(modelObjectNode.toString());
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service.saveModel(modelData);
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service.addModelEditorSource(modelData.getId(), modelNode.toString().getBytes("utf-8"));
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return modelData;
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}
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public void readProcessResource(String resoucreType, String processDefinitionId,HttpServletResponse response) {
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String resourceName = "";
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ProcessDefinition processDefinition = service.createProcessDefinitionQuery().processDefinitionId(processDefinitionId).singleResult();
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if ("xml".equalsIgnoreCase(resoucreType)) {
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}
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else if ("image".equalsIgnoreCase(resoucreType)) {
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resourceName = processDefinition.getDiagramResourceName();
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}
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//TODO resp
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InputStream resourceAsStream = service.getResourceAsStream(processDefinition.getDeploymentId(), resourceName);
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try {
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byte[] b = new byte[1024];
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int len = -1;
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while ((len = resourceAsStream.read(b, 0, 1024)) != -1) {
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response.getOutputStream().write(b, 0, len);
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}
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}
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catch (Exception e) {
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e.printStackTrace();
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error("file can not be read");
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}
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finally {
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try {
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resourceAsStream.close();
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} catch (IOException e) {
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e.printStackTrace();
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error("steam can not be close");
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}
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}
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}
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public Result<JSONArray> getProcessList() {
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List<Object[]> processList = new ArrayList<Object[]>();
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ModelQuery modelQuery = service.createModelQuery().orderByModelVersion().desc();
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List<Model> list = modelQuery.list();
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for (Model model: list) {
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boolean isAdd = true;
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String deploymentId = model.getDeploymentId();
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Deployment deployment = null;
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ProcessDefinition prodef= null;
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if (deploymentId != null) {
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prodef = service.createProcessDefinitionQuery().deploymentId(deploymentId).singleResult();
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deployment = service.createDeploymentQuery().deploymentId(deploymentId).singleResult();
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}
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for (Object[] obj : processList) {
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Model processModel = (Model) obj[0];
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if (model.getKey().equals(processModel.getKey())) {
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if (model.getVersion() <= processModel.getVersion()) {
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isAdd = false;
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continue;
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}
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}
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}
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if (isAdd) {
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processList.add(new Object[]{model, deployment,prodef});
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}
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}
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JSONArray array = new JSONArray();
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for (Object[] bean : processList) {
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JSONObject object = new JSONObject();
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Model model = (Model)bean[0];
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Deployment deployment = (Deployment)bean[1];
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ProcessDefinition prodef = (ProcessDefinition)bean[2];
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if (model != null) {
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object.fluentPut("id", model.getId());
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object.fluentPut("category", model.getCategory());
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object.fluentPut("version", model.getVersion());
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object.fluentPut("createTime", model.getCreateTime());
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object.fluentPut("lastUpdateTime", model.getLastUpdateTime());
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object.fluentPut("description", model.getMetaInfo());
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}
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//2.
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if (deployment != null) {
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object.fluentPut("isDeploymented", "true");
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object.fluentPut("deploymentTime", deployment.getDeploymentTime());
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}else {
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object.fluentPut("isDeploymented", "false");
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object.fluentPut("deploymentTime", "未部署");
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}
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//3.
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if (prodef != null) {
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object.fluentPut("isSuspension", String.valueOf(prodef.isSuspended()));
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object.fluentPut("name", prodef.getName());
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}else {
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object.fluentPut("isSuspension", "false");
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object.fluentPut("name", model.getName());
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}
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array.add(object);
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}
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return Result.success(array);
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//return processList;
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//resultPool.addValue("processList", processList, new ModelWriter());
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}
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public Model getModel(String modelId) {
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Model model = service.getModel(modelId);
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ObjectNode modelNode;
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if (model != null) {
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try {
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if (StringUtils.isNotEmpty(model.getMetaInfo())) {
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modelNode = (ObjectNode) objectMapper.readTree(model.getMetaInfo());
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}
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else {
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modelNode = objectMapper.createObjectNode();
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modelNode.put(ModelDataJsonConstants.MODEL_NAME, model.getName());
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}
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modelNode.put(ModelDataJsonConstants.MODEL_ID, model.getId());
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ObjectNode editorJsonNode = (ObjectNode) objectMapper.readTree(new String(service.getModelEditorSource(model.getId()), "utf-8"));
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modelNode.put("model", editorJsonNode);
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// resultPool.addValue("name",model.getName());
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// resultPool.addValue("description", model.getMetaInfo());
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// resultPool.addValue("modelId", modelId);
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// resultPool.addJson("model", editorJsonNode.toString());
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}
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catch (Exception e) {
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log.error("Error creating model JSON", e);
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throw new ActivitiException("Error creating model JSON", e);
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}
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}
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return model;
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}
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public boolean saveModel(String modelId, HttpServletRequest request) {
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HashMap<String,String> hashMap = new HashMap<String, String>();
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StringBuilder builder = new StringBuilder();
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FileOutputStream fileOutputStream2 = null;
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ByteArrayOutputStream outStream = null;
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FileOutputStream fileOutputStream = null;
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try {
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//1.1
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request.setCharacterEncoding("utf-8");
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Map<String, String[]> parameterMap = request.getParameterMap();
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Set<String> keys = parameterMap.keySet();
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for (String key : keys) {
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String[] strings = parameterMap.get(key);
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for (String string : strings) {
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builder.append(string);
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}
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hashMap.put(key, builder.toString());
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builder.setLength(0);
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}
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String jsonXmlString = hashMap.get("json_xml");
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jsonXmlString = jsonXmlString.replaceAll("\\+\\+", "&&");
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hashMap.put("json_xml", jsonXmlString);
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Model model = service.getModel(modelId);
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Integer version = model.getVersion();
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String key = model.getKey();
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//1.2 add new model version++
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Model newModel = service.newModel();
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ObjectNode modelJson = (ObjectNode) objectMapper.readTree(model.getMetaInfo());
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modelJson.put(MODEL_NAME, hashMap.get("name"));
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modelJson.put(MODEL_DESCRIPTION, hashMap.get("description"));
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modelJson.put(MODEL_REVISION, (version + 1));
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newModel.setMetaInfo(modelJson.toString());
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newModel.setVersion((version + 1));
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newModel.setName(hashMap.get("name"));
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newModel.setKey(key);
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//1.3
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ObjectNode modelNode = (ObjectNode) new ObjectMapper().readTree(hashMap.get("json_xml").getBytes("utf-8"));
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BpmnModel bpmnModel = new BpmnJsonConverter().convertToBpmnModel(modelNode);
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if (bpmnModel.getProcesses().size() == 0) {
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return false;
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}
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byte[] bpmnBytes = new BpmnXMLConverter().convertToXML(bpmnModel);
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String processName = newModel.getName()+ ".bpmn20.xml";
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Deployment deployment = service.createDeployment().name(newModel.getName()).addString(processName,new String(bpmnBytes,"UTF-8")).deploy();
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newModel.setDeploymentId(deployment.getId());
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newModel.setCategory(deployment.getId());
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service.saveModel(newModel);
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//1.4
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service.addModelEditorSource(newModel.getId(), hashMap.get("json_xml").getBytes("utf-8"));
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InputStream svgStream = new ByteArrayInputStream(hashMap.get("svg_xml").getBytes("utf-8"));
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TranscoderInput input = new TranscoderInput(svgStream);
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PNGTranscoder transcoder = new PNGTranscoder();
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outStream = new ByteArrayOutputStream();
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TranscoderOutput output = new TranscoderOutput(outStream);
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transcoder.transcode(input, output);
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final byte[] result = outStream.toByteArray();
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service.addModelEditorSourceExtra(newModel.getId(), result);
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String newModelId = newModel.getId();
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//TODO dir 2.
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String path = basePath + newModelId;
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File dir = new File(path);
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if (!dir.exists()) {
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dir.mkdirs();
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}
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//2.1 save model xml to server
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File file = new File(path,newModelId + ".bpmn20.xml");
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if (file.exists()) {
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file.delete();
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}
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log.info(file.getAbsolutePath());
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file.createNewFile();
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fileOutputStream2 = new FileOutputStream(file);
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fileOutputStream2.write(bpmnBytes);
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//2.2 save model png to server
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fileOutputStream = new FileOutputStream(new File(path,newModelId + ".png"));
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InputStream svgs = new ByteArrayInputStream(hashMap.get("svg_xml").getBytes("utf-8"));
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TranscoderInput inputs = new TranscoderInput(svgs);
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TranscoderOutput outputs = new TranscoderOutput(fileOutputStream);
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transcoder.transcode(inputs, outputs);
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fileOutputStream.flush();
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return true;
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} catch (Exception e) {
|
log.error("Error saving model", e);
|
return false;
|
}
|
finally {
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try {
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if (fileOutputStream != null) {
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fileOutputStream.close();
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}
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if (fileOutputStream2 != null) {
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fileOutputStream2.close();
|
}
|
if (outStream != null) {
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outStream.close();
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}
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}
|
catch (IOException e) {
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log.error("Error close ioStream ", e);
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e.printStackTrace();
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return false;
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}
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}
|
}
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public void getEditor() {
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// File file = new File(Configer.getPath_Config(), "stencilset.json");
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// String value = null;
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//
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// FileInputStream fileInputStream = new FileInputStream(file);
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// try {
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// value = IOUtils.toString(fileInputStream, "utf-8");
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// }
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// finally {
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// fileInputStream.close();
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// }
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|
//resultPool.setJson(value);
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}
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public static void save2File(InputStream input, String filePath,String fileName) {
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BufferedOutputStream bos = null;
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FileOutputStream fos = null;
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File file = null;
|
try {
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file = new File(filePath,fileName);
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fos = new FileOutputStream(file);
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bos = new BufferedOutputStream(fos);
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int ch = 0;
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int read = input.read();
|
|
while((ch=read) != -1){
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fos.write(ch);
|
}
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} catch (Exception e) {
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e.printStackTrace();
|
} finally {
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if (bos != null) {
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try {
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bos.close();
|
} catch (IOException e1) {
|
e1.printStackTrace();
|
}
|
}
|
if (fos != null) {
|
try {
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fos.close();
|
} catch (IOException e1) {
|
e1.printStackTrace();
|
}
|
}
|
}
|
}
|
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private void updateDeletedStatus(String tableName, String deploymentId) throws Exception {
|
//TODO db
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// NamedSQL getDeletedWorkflowItem = NamedSQL.getInstance("getDeletedWorkflowItem");
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// getDeletedWorkflowItem.setParam("tablename", tableName);
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// getDeletedWorkflowItem.setParam("deploymentid", deploymentId);
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// EntitySet entitySet = SQLRunner.getEntitySet(getDeletedWorkflowItem);
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//
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// for (Entity entity : entitySet) {
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// String id = entity.getString("id");
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// Entity line = DataHandler.getLine(tableName, id);
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// String statusCode = line.getString("statuscode");
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//
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// if (statusCode.equalsIgnoreCase("open")) {
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// continue;
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// }
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// line.setString("statuscode", "input");
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// line.update();
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//
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// DataHandler.clearFieldbyEntity(line, "keycode");
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// }
|
|
}
|
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public String getNextPosition(Task task) {
|
String currentPosition = task.getTaskDefinitionKey();
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String processDefinitionId = task.getProcessDefinitionId();
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BpmnModel bpmnModel = service.getBpmnModel(processDefinitionId);
|
|
if (bpmnModel != null) {
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Collection<FlowElement> flowElements = bpmnModel.getMainProcess().getFlowElements();
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FlowElement[] flowArray = new FlowElement[flowElements.size()];
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flowElements.toArray(flowArray);
|
|
int pos = -1;
|
|
//1. goto current position
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for (int i = 0; i < flowArray.length - 1; i++) {
|
FlowElement flowElement = flowArray[i];
|
|
if (flowElement.getId().equalsIgnoreCase(currentPosition)) {
|
pos = i;
|
}
|
}
|
|
if (pos < 0) {
|
return null;
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}
|
|
//2. find parent
|
for (int i = pos + 1; i < flowArray.length -1; i++) {
|
FlowElement element = flowArray[i];
|
String type = element.getClass().getSimpleName();
|
|
if (!"UserTask".equalsIgnoreCase(type)) {
|
continue;
|
}
|
|
return element.getId();
|
}
|
}
|
|
return null;
|
}
|
}
|
