topic How to convert Javascript Date in Java Date? (In Workflow) in Alfresco Archive

How to convert Javascript Date in Java Date? (In Workflow)

arak — Fri, 20 Jun 2014 21:57:57 GMT

Hi everyone,I have a workflow with three task which share a field date for each task (task1 have date1, task2 have date1 and date2, and task3 have date1, date2 and date3). This dates is entered in the task and after copied in the metadata of document of the workflow (after of complete the task). But

Re: How to convert Javascript Date in Java Date? (In Workflow)

kaynezhang — Sun, 22 Jun 2014 20:32:45 GMT

Since you are implementing Tasklistener using java ,why not operate java NodeRef directly? you don't need to convert it back and forth between java object and js object.


ActivitiScriptNode scriptNode = (ActivitiScriptNode) delegateTask.getVariable("bpm_package");
            if (scriptNode != null)
            {
               NodeRef packageNodeRef = scriptNode.getNodeRef();
      List<ChildAssociationRef> assocs = nodeService.getChildAssocs(packageNodeRef);
               if (assocs.size() == 1)
               {
         NodeRef child = assocs.get(0).getChildRef();
         Map props = nodeService.getProperties(child);
         java.util.Date date =(Date)props.get("{http://www.empresa.cl/wfmodel/content/1.0}fechaEnvio");
      }
            }
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Re: How to convert Javascript Date in Java Date? (In Workflow)

arak — Mon, 23 Jun 2014 21:27:00 GMT

Thanks for the reply and your suggestion.

Now, I have another question about this: What is "nodeService"? I searched much about this and the mode of utilization, but I not get successful results :/, my actual code is:

<java>
public class RevisarCasoCreate implements TaskListener {

   public void notify(DelegateTask delegateTask) {

       ApplicationContext ctx = ApplicationContextHelper.getApplicationContext();
            ServiceRegistry serviceRegistry = (ServiceRegistry) ctx.getBean(ServiceRegistry.SERVICE_REGISTRY);
       NodeService nodeService = serviceRegistry.getNodeService();
       ActivitiScriptNode scriptNode = (ActivitiScriptNode) delegateTask.getVariable("bpm_package");

            if (scriptNode != null) {

           NodeRef packageNodeRef = scriptNode.getNodeRef();
           List<ChildAssociationRef> assocs = nodeService.getChildAssocs(packageNodeRef);

           if (assocs.size() == 1) {

              NodeRef child = assocs.get(0).getChildRef();
              Map<QName, Serializable> props = nodeService.getProperties(child);
              Date date =(Date) props.get("{http://www.empresa.cl/wfmodel/content/1.0}fechaEnvio");
                        ………..
                        ………..
           }

            }
……………..
</java>

And in my .bpmn file:


<userTask id="revisarCaso" name="Revisar Caso" activiti:assignee="oestades" activiti:formKey="bcwf:revisarCaso">
      <extensionElements>
        <activiti:taskListener event="create" class="cl.empresa.bpm.RevisarCasoCreate"/>
……………
‍‍‍‍‍‍

But I get this error in the console:

Cannot create JDBC driver of class '' for connect URL 'null'
java.lang.NullPointerException
   at sun.jdbc.odbc.JdbcOdbcDriver.getProtocol(JdbcOdbcDriver.java:524)
   at sun.jdbc.odbc.JdbcOdbcDriver.knownURL(JdbcOdbcDriver.java:493)
   at sun.jdbc.odbc.JdbcOdbcDriver.acceptsURL(JdbcOdbcDriver.java:307)
   at java.sql.DriverManager.getDriver(DriverManager.java:262)
   at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1437)
   at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1371)
   at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
   at org.alfresco.config.JndiObjectFactoryBean.lookup(JndiObjectFactoryBean.java:44)
   at org.springframework.jndi.JndiObjectFactoryBean.lookupWithFallback(JndiObjectFactoryBean.java:201)
   at org.springframework.jndi.JndiObjectFactoryBean.afterPropertiesSet(JndiObjectFactoryBean.java:187)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1477)
………..

¿Any idea?

Thanks for any help.

Greetings,
Pablo.

Re: How to convert Javascript Date in Java Date? (In Workflow)

kaynezhang — Tue, 24 Jun 2014 00:17:42 GMT

import org.alfresco.repo.workflow.activiti.ActivitiConstants;
import org.alfresco.repo.workflow.activiti.ActivitiScriptNode;
import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;

public class RevisarCasoCreate implements TaskListener {

   @Override
   public void notify(DelegateTask task) {
      ActivitiScriptNode scriptNode = (ActivitiScriptNode) task.getVariable("bpm_package");

      if (scriptNode != null) {
         NodeRef packageNodeRef = scriptNode.getNodeRef();
         NodeService nodeService = this.getServiceRegistry().getNodeService();
         List<ChildAssociationRef> assocs = nodeService.getChildAssocs(packageNodeRef);
         if (assocs.size() == 1) {
            NodeRef child = assocs.get(0).getChildRef();
            Map props = nodeService.getProperties(child);
            java.util.Date date = (Date) props.get("{http://www.empresa.cl/wfmodel/content/1.0}fechaEnvio");
         }

      }
   }

   protected ServiceRegistry getServiceRegistry() {

        ProcessEngineConfigurationImpl config = Context.getProcessEngineConfiguration();
        if (config != null) {
            ServiceRegistry registry = (ServiceRegistry) config.getBeans().get(ActivitiConstants.SERVICE_REGISTRY_BEAN_KEY);
            if (registry == null) {
                throw new RuntimeException(
                            "Service-registry not present in ProcessEngineConfiguration beans, expected ServiceRegistry with key" +
                            ActivitiConstants.SERVICE_REGISTRY_BEAN_KEY);
            }
            return registry;
        }

        throw new IllegalStateException("No ProcessEngineCOnfiguration found in active context");

    }
}
</code>
Your exception has noting to do with your task listener,it must be thrown by other place,please check your database url in your configuration.

Re: How to convert Javascript Date in Java Date? (In Workflow)

arak — Tue, 24 Jun 2014 21:47:45 GMT

Thanks kaynezhang for the help, is working !

Greetings,
Pablo.