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Get bpmn20.xml programmatically

tomdc

I would like to get a list of all possible usertasks from a specific workflow.

Since I couldn't find any function to do this out of the box, I would like to get the definition xml and parse it myself.
Is there a way to get the bpmn20.xml programmatically?

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mhw

Hi,

I am not shure if I understand you right. If you have deployed your resources you can list all with:

&nbsp;&nbsp; List<ProcessDefinition> processDefinitions = repositoryService<br>&nbsp;&nbsp;&nbsp;&nbsp; .createProcessDefinitionQuery()<br>&nbsp;&nbsp;&nbsp;&nbsp; .list();<br>&nbsp;&nbsp; <br>&nbsp;&nbsp; <br>&nbsp;&nbsp; for (ProcessDefinition processDefinition : processDefinitions) {<br>&nbsp;&nbsp;&nbsp; if (logger.isLoggable(Level.INFO)) {<br>&nbsp;&nbsp;&nbsp;&nbsp; logger.info("Process "<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; + processDefinition.getKey() + " is deployed and defined in "<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; + processDefinition.getResourceName());<br>&nbsp;&nbsp;&nbsp; }<br>&nbsp;&nbsp; }<br>

Best regards,
Michael

tomdc

Hi MHW,

I'll try to be a bit more clear.

After I deployed a process (with the *.bar file) I would like to get all the userTask of this process
Example:

<br><?xml version="1.0" encoding="UTF-8"?><br><definitions xmlns="<a href="http://www.omg.org/spec/BPMN/20100524/MODEL" rel="nofollow noopener noreferrer">http://www.omg.org/spec/BPMN/20100524/MODEL</a>" xmlns:xsi="<a href="http://www.w3.org/2001/XMLSchema-instance" rel="nofollow noopener noreferrer">http://www.w3.org/2001/XMLSchema-instance</a>" xmlns:activiti="<a href="http://activiti.org/bpmn" rel="nofollow noopener noreferrer">http://activiti.org/bpmn</a>" xmlns:bpmndi="<a href="http://www.omg.org/spec/BPMN/20100524/DI" rel="nofollow noopener noreferrer">http://www.omg.org/spec/BPMN/20100524/DI</a>" xmlns:smileysurprised:mgdc="<a href="http://www.omg.org/spec/DD/20100524/DC" rel="nofollow noopener noreferrer">http://www.omg.org/spec/DD/20100524/DC</a>" xmlns:smileysurprised:mgdi="<a href="http://www.omg.org/spec/DD/20100524/DI" rel="nofollow noopener noreferrer">http://www.omg.org/spec/DD/20100524/DI</a>" typeLanguage="<a href="http://www.w3.org/2001/XMLSchema" rel="nofollow noopener noreferrer">http://www.w3.org/2001/XMLSchema</a>" expressionLanguage="<a href="http://www.w3.org/1999/XPath" rel="nofollow noopener noreferrer">http://www.w3.org/1999/XPath</a>" targetNamespace="<a href="http://www.activiti.org/test" rel="nofollow noopener noreferrer">http://www.activiti.org/test</a>"><br>&nbsp; <process id="SimpleTask" name="SimpleTask"><br>&nbsp;&nbsp;&nbsp; <documentation>Place documentation for the 'SimpleTask' process here.</documentation><br>&nbsp;&nbsp;&nbsp; <startEvent id="startevent1" name="Start"></startEvent><br>&nbsp;&nbsp;&nbsp; <userTask id="usertask1" name="User Task" activiti:candidateGroups="management"></userTask><br>&nbsp;&nbsp;&nbsp; <endEvent id="endevent1" name="End"></endEvent><br>&nbsp;&nbsp;&nbsp; <sequenceFlow id="flow1" name="" sourceRef="startevent1" targetRef="usertask1"></sequenceFlow><br>&nbsp;&nbsp;&nbsp; <sequenceFlow id="flow2" name="" sourceRef="usertask1" targetRef="endevent1"></sequenceFlow><br>&nbsp; </process> &hellip;.<br>

In this example I would get only one userTask: "usertask1".

I don't think there is a function where I can get the list of all usertasks. The workaround for this would be that I parse the content of the process : file.bpmn20.xml.

What I need is a way to extract the process file (file.bpmn20.xml

I hope this clarifies…

mhw

Hi,

ok, I understand. We work with plain .bpmn20.xml files. As far as I know, .bar files are zip files, too. So you could probably do this:
http://www.java-tips.org/java-se-tips/java.util.zip/how-to-extract-file-files-from-a-zip-file-3.html
Can't you?

Best regards,
Michael

tomdc

That's indeed a workaround

Thanks for the feedback

ingo_ri

Hi,

you can get the deployed process template out of the database:

<br>org.activiti.engine.repository.Deployment myDeployment = repositoryService.createDeploymentQuery().deploymentName("TemplateAuslesenTest.testReadDeployment").singleResult();<br>InputStream is = repositoryService.getResourceAsStream(myDeployment.getId(), "de/ingo/activiti/beispiel/TemplateAuslesenTest.testReadDeployment.bpmn20.xml");<br>BufferedReader br = new BufferedReader(new InputStreamReader(is));<br>String processDefinitionXML = "";<br>String line;<br>do {<br> line = br.readLine();<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (line != null) {<br>&nbsp; processDefinitionXML = processDefinitionXML + line;<br> }<br>} while (line != null);<br>

Maybe there is a shorter way to get the String out of the Stream, but this old fashioned code works fine 😉

Kind Regards,

Ingo