package org.jbpm.jsf.core.action;
import org.jbpm.job.Job;
import org.jbpm.jsf.JbpmActionListener;
import org.jbpm.jsf.JbpmJsfContext;
import javax.el.ELContext;
import javax.el.ValueExpression;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
/**
*
*/
public final class LoadJobActionListener implements JbpmActionListener {
private final ValueExpression idExpression;
private final ValueExpression targetExpression;
public LoadJobActionListener(final ValueExpression idExpression, final ValueExpression targetExpression) {
this.idExpression = idExpression;
this.targetExpression = targetExpression;
}
public String getName() {
return "loadJob";
}
public void handleAction(JbpmJsfContext context, ActionEvent event) {
try {
final FacesContext facesContext = FacesContext.getCurrentInstance();
final ELContext elContext = facesContext.getELContext();
final Object idValue = idExpression.getValue(elContext);
if (idValue == null) {
context.setError("Error loading job instance", "The ID value is null");
return;
}
final long id;
if (idValue instanceof Long) {
id = ((Long)idValue).longValue();
} else {
id = Long.valueOf(idValue.toString()).longValue();
}
final Job job;
job = context.getJbpmContext().getJobSession().getJob(id);
if (job == null) {
context.setError("Error loading job instance", "No job instance was found with an ID of " + id);
return;
}
targetExpression.setValue(elContext, job);
context.selectOutcome("success");
} catch (Exception ex) {
context.setError("Error loading job", ex);
return;
}
}
}