Beispiel #1
0
  public void registerELResolverAndListenerWithJsp(ServletContext context, boolean reloaded) {

    if (webConfig.isSet(WebContextInitParameter.ExpressionFactory) || !isJspTwoOne(context)) {

      // first try to load a factory defined in web.xml
      if (!installExpressionFactory(
          context, webConfig.getOptionValue(WebContextInitParameter.ExpressionFactory))) {

        throw new ConfigurationException(
            MessageUtils.getExceptionMessageString(
                MessageUtils.INCORRECT_JSP_VERSION_ID,
                WebContextInitParameter.ExpressionFactory.getDefaultValue(),
                WebContextInitParameter.ExpressionFactory.getQualifiedName()));
      }

    } else {

      // JSP 2.1 specific check
      if (JspFactory.getDefaultFactory().getJspApplicationContext(context) == null) {
        return;
      }

      // register an empty resolver for now. It will be populated after the
      // first request is serviced.
      FacesCompositeELResolver compositeELResolverForJsp =
          new ChainTypeCompositeELResolver(FacesCompositeELResolver.ELResolverChainType.JSP);
      ApplicationAssociate associate = ApplicationAssociate.getInstance(context);
      if (associate != null) {
        associate.setFacesELResolverForJsp(compositeELResolverForJsp);
      }

      // get JspApplicationContext.
      JspApplicationContext jspAppContext =
          JspFactory.getDefaultFactory().getJspApplicationContext(context);

      // cache the ExpressionFactory instance in ApplicationAssociate
      if (associate != null) {
        associate.setExpressionFactory(jspAppContext.getExpressionFactory());
      }

      // register compositeELResolver with JSP
      try {
        jspAppContext.addELResolver(compositeELResolverForJsp);
      } catch (IllegalStateException e) {
        ApplicationFactory factory =
            (ApplicationFactory) FactoryFinder.getFactory(FactoryFinder.APPLICATION_FACTORY);
        Application app = factory.getApplication();
        if (app.getProjectStage() != ProjectStage.UnitTest && !reloaded) {
          throw e;
        }
      }

      // register JSF ELContextListenerImpl with Jsp
      ELContextListenerImpl elContextListener = new ELContextListenerImpl();
      jspAppContext.addELContextListener(elContextListener);
    }
  }
Beispiel #2
0
  private boolean installExpressionFactory(ServletContext sc, String elFactoryType) {

    if (elFactoryType == null) {
      return false;
    }
    try {
      ExpressionFactory factory =
          (ExpressionFactory) Util.loadClass(elFactoryType, this).newInstance();
      ApplicationAssociate associate = ApplicationAssociate.getInstance(sc);
      if (associate != null) {
        associate.setExpressionFactory(factory);
      }
      return true;
    } catch (Exception e) {
      if (LOGGER.isLoggable(Level.SEVERE)) {
        LOGGER.severe(
            MessageFormat.format("Unable to instantiate ExpressionFactory ''{0}''", elFactoryType));
      }
      return false;
    }
  }