[Andromdaplugins-cvs] CVS update: cartridges/andromda-jsf2/src/main/resources/templates/jsf2/flow/portlet PortletPhaseListener.java.vsl

[Chad B. <cwb...@us...>]

  User: cwbrandon
  Date: 08/07/03 14:42:16

  Modified:    andromda-jsf2/src/main/resources/templates/jsf2/flow/portlet
                        PortletPhaseListener.java.vsl
  Log:
  keep track of what views have been populated so we don't do it more than once
  
  Revision  Changes    Path
  1.16      +43 -5     cartridges/andromda-jsf2/src/main/resources/templates/jsf2/flow/portlet/PortletPhaseListener.java.vsl
  
  Index: PortletPhaseListener.java.vsl
  ===================================================================
  RCS file: /cvsroot/andromdaplugins/cartridges/andromda-jsf2/src/main/resources/templates/jsf2/flow/portlet/PortletPhaseListener.java.vsl,v
  retrieving revision 1.15
  retrieving revision 1.16
  diff -u -w -r1.15 -r1.16
  --- PortletPhaseListener.java.vsl	3 Jul 2008 18:27:18 -0000	1.15
  +++ PortletPhaseListener.java.vsl	3 Jul 2008 21:42:15 -0000	1.16
  @@ -81,7 +81,7 @@
           }
       }
   
  -    private String getViewId(javax.faces.event.PhaseEvent event)
  +    protected String getViewId(javax.faces.event.PhaseEvent event)
       {
           String viewId = null;
           if (event.getFacesContext() != null)
  @@ -94,6 +94,9 @@
   
       private void populateView(javax.faces.event.PhaseEvent event, String viewId)
       {
  +        final java.lang.Object session = event.getFacesContext().getExternalContext().getSession(false);
  +        if (!this.isViewPopulated(session, viewId))
  +        {
   #foreach ($view in $useCases.iterator().next().allViews)
   #if ($view.populatorRequired)
   #set ($ifClause = "if")
  @@ -106,6 +109,8 @@
           }
   #end
   #end
  +            this.setCurrentView(session, viewId);
  +        }
       }
   
       @Override
  @@ -116,5 +121,38 @@
           {
               this.populateView(event, viewId);
           }
  +        else
  +        {
  +            // - remove the current view
  +            this.setCurrentView(event.getFacesContext().getExternalContext().getSession(false), null);
  +        }
  +    }
  +
  +    /**
  +     * The name of the attribute that stores the current view id for this phase listener.
  +     */
  +    private static final String CURRENT_VIEW_ATTRIBUTE = PortletPhaseListener.class.getName() + "ViewId";
  +
  +    /**
  +     * Keeps track of whether or not the view has already been populated (so that we don't try again).
  +     *
  +     * @param session the session object that stores the view id to keep track of whether or not its been populated.
  +     * @param viewId the view Id.
  +     * @return true if populated, false otherwise.
  +     */
  +    protected boolean isViewPopulated(final Object session, final String viewId)
  +    {
  +        final Object currentView = ${managedBeansPackage}.JsfUtils.getAttribute(session, CURRENT_VIEW_ATTRIBUTE);
  +        return currentView != null && currentView.equals(viewId);
  +    }
  +
  +    /**
  +     * Sets the given viewId as the current view tracked by this portlet.
  +     * @param session the session object that stores the view id to keep track of whether or not its been populated.
  +     * @param viewId the view id to set.
  +     */
  +    protected void setCurrentView(final Object session, final String viewId)
  +    {
  +        ${managedBeansPackage}.JsfUtils.setAttribute(session, CURRENT_VIEW_ATTRIBUTE, viewId);
       }
   }