ViewConfigValidator.java

public class ViewConfigValidator implements ServletContextListener
{
    @Override
    public void contextInitialized(ServletContextEvent sce)
    {
        ViewConfigResolver viewConfigResolver =
            BeanProvider.getContextualReference(ViewConfigResolver.class);

        for (ConfigDescriptor configDescriptor :
                viewConfigResolver.getConfigDescriptors())
        {
            try
            {
                if (!isInternal(configDescriptor.getConfigClass()) &&
                    sce.getServletContext()
                        .getResource(configDescriptor.getPath()) == null)
                {
                    throw new IllegalStateException("path " +
                            configDescriptor.getPath() +
                            " doesn't exist, but it's mapped by " +
                            configDescriptor.getConfigClass().getName());
                }
            }
            catch (MalformedURLException e)
            {
                throw ExceptionUtils.throwAsRuntimeException(e);
            }
        }
    }

    //needed with deltaspike 0.5
    private boolean isInternal(Class configClass)
    {
        return ViewConfig.class.equals(configClass) ||
                DefaultErrorView.class.equals(configClass) ||
                ViewRef.class.equals(configClass) ||
                ViewRef.Manual.class.equals(configClass);
    }

    @Override
    public void contextDestroyed(ServletContextEvent sce)
    {
    }
}