ProcessServiceImpl.java
3.56 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
package com.bootdo.activiti.service.impl;
import com.bootdo.activiti.service.ProcessService;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.activiti.bpmn.converter.BpmnXMLConverter;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.editor.constants.ModelDataJsonConstants;
import org.activiti.editor.language.json.converter.BpmnJsonConverter;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.repository.Model;
import org.activiti.engine.repository.ProcessDefinition;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import java.io.InputStream;
import java.io.InputStreamReader;
/**
*/
@Service
public class ProcessServiceImpl implements ProcessService {
@Autowired
RepositoryService repositoryService;
@Autowired
RuntimeService runtimeService;
@Override
public Model convertToModel(String procDefId) throws Exception {
ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionId(procDefId).singleResult();
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);
org.activiti.engine.repository.Model modelData = repositoryService.newModel();
modelData.setKey(processDefinition.getKey());
modelData.setName(processDefinition.getResourceName());
modelData.setCategory(processDefinition.getCategory());//.getDeploymentId());
modelData.setDeploymentId(processDefinition.getDeploymentId());
modelData.setVersion(Integer.parseInt(String.valueOf(repositoryService.createModelQuery().modelKey(modelData.getKey()).count() + 1)));
ObjectNode modelObjectNode = new ObjectMapper().createObjectNode();
modelObjectNode.put(ModelDataJsonConstants.MODEL_NAME, processDefinition.getName());
modelObjectNode.put(ModelDataJsonConstants.MODEL_REVISION, modelData.getVersion());
modelObjectNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION, processDefinition.getDescription());
modelData.setMetaInfo(modelObjectNode.toString());
repositoryService.saveModel(modelData);
repositoryService.addModelEditorSource(modelData.getId(), modelNode.toString().getBytes("utf-8"));
return modelData;
}
@Override
public InputStream resourceRead(String id, String resType) throws Exception {
ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().processDefinitionId(id).singleResult();
String resourceName = "";
if (resType.equals("image")) {
resourceName = processDefinition.getDiagramResourceName();
} else if (resType.equals("xml")) {
resourceName = processDefinition.getResourceName();
}
InputStream resourceAsStream = repositoryService.getResourceAsStream(processDefinition.getDeploymentId(), resourceName);
return resourceAsStream;
}
}