package net.loyin.activiti;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.activiti.engine.FormService;
import org.activiti.engine.HistoryService;
import org.activiti.engine.IdentityService;
import org.activiti.engine.ManagementService;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.impl.RepositoryServiceImpl;
import org.activiti.engine.impl.bpmn.diagram.ProcessDiagramGenerator;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.activiti.engine.runtime.Execution;
import org.activiti.engine.runtime.ProcessInstance;
public class Bmpn2Img {
public static void main(String[] args) {
ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
RuntimeService runtimeService = processEngine.getRuntimeService();
RepositoryService repositoryService = processEngine.getRepositoryService();
TaskService taskService = processEngine.getTaskService();
ManagementService managementService = processEngine.getManagementService();
IdentityService identityService = processEngine.getIdentityService();
HistoryService historyService = processEngine.getHistoryService();
FormService formService = processEngine.getFormService();
Map<String, Object> variableMap = new HashMap<String, Object>();
ProcessInstance instance = runtimeService.startProcessInstanceByKey("MultitaskingProcess", variableMap);
File f = new File("processInstanceImage.png");
File f2 = new File("processDefintion.png");
FileOutputStream fos1 = null;
FileOutputStream fos2 = null;
ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) repositoryService).getDeployedProcessDefinition(instance.getProcessDefinitionId());
System.out.println("id" + instance.getId());
List<Execution> executions = runtimeService.createExecutionQuery().processInstanceId(instance.getId()).list();
List<String> activitiIds = runtimeService.getActiveActivityIds(instance.getId());
for (String s : activitiIds) {
System.out.println("s:" + s);
}
if (processDefinition != null&& processDefinition.isGraphicalNotationDefined()) {
try {
InputStream processInstanceImage = ProcessDiagramGenerator.generateDiagram(processDefinition, "png", activitiIds);
InputStream processDefintion = ProcessDiagramGenerator.generatePngDiagram(processDefinition);
fos1 = new FileOutputStream(f);
fos2 = new FileOutputStream(f2);
byte[] buff = new byte[1024 * 10];
int len = 0;
while ((len = processInstanceImage.read(buff)) != -1) {
System.out.println("--------------" + len);
fos1.write(buff, 0, len);
}
while ((len = processDefintion.read(buff)) != -1) {
System.out.println("++++++++++++++" + len);
fos2.write(buff, 0, len);
}
} catch (Throwable t) {
t.printStackTrace();
} finally {
try {
fos1.flush();
fos1.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
fos2.flush();
fos2.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}