my-process.bpmn20.xml

<?xml version="1.0" encoding="UTF-8"?>
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  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
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  ~ distributed under the License is distributed on an "AS IS" BASIS,
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<definitions id="definitions"
  xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"
  xmlns:activiti="http://activiti.org/bpmn"
  targetNamespace="Examples">
  
  <process id="my-process" isExecutable="true">
  
    <startEvent id="theStart" />
    <sequenceFlow id="flow1" sourceRef="theStart" targetRef="javascriptScript" />
    
    <scriptTask id="javascriptScript" scriptFormat="JavaScript" activiti:autoStoreVariables="false">
        <script><![CDATA[
        
            println("Start of script");
            
            importPackage(org.activiti);
            importPackage(org.activiti.engine.impl.cfg);
            importPackage(org.activiti.engine.impl.context);
            importPackage(org.activiti.engine.impl.persistence.deploy);
            importPackage(org.activiti.engine.impl.bpmn.deployer);
            importPackage(org.activiti.engine.impl.bpmn.parser);
            
            var config = Context.getProcessEngineConfiguration();
            var bpmnParser = config.getBpmnParser();

            // Create script
            var script = "";
            script = script + "importPackage(java.net);";
            script = script + "importPackage(java.io);";
            script = script + "var url = new URL('http://localhost:8182/echo');";
            script = script + "var connection = url.openConnection();";
            script = script + "connection.setRequestMethod('POST');";
            script = script + "connection.setDoOutput(true);";
            script = script + "var outputStream = new BufferedOutputStream(connection.getOutputStream());";
            script = script + "outputStream.write(new java.lang.String(\"{'eventType':'task-complete'}\").bytes);";
            script = script + "outputStream.flush();";
            script = script + "connection.connect();";
            script = script + "var respCode = connection.getResponseCode();";
            script = script + "if (respCode != 200) ";
            script = script + "println('Response code : ' + respCode);";
            script = script + "outputStream.close();";
            script = script + "connection.disconnect();";
                
            // Add bpmn parse listener 
            var handler = new ExecuteScriptOnTaskCompleteBpmnParseHandler("JavaScript");
            handler.setUserTaskCompleteScript(script);
            bpmnParser.getBpmnParserHandlers().addHandler(handler);
                
            // reset the deployment cache such that the new listener gets picked up on a new redeploy
            config.getProcessDefinitionCache().clear();
         
	        println("End of script");
	        ]]>
        </script>    
    </scriptTask>
    <sequenceFlow id="flow2" sourceRef="javascriptScript" targetRef="task1" />
    
    <userTask id="task1"/>
    <sequenceFlow id="flow3" sourceRef="task1" targetRef="task2" />
    
    <userTask id="task2" />    
    <sequenceFlow id="flow4" sourceRef="task2" targetRef="theEnd" />
    
    <endEvent id="theEnd" />
    
  </process>

</definitions>