Example usage for org.springframework.web.servlet ModelAndView getView

Introduction

In this page you can find the example usage for org.springframework.web.servlet ModelAndView getView.

Prototype

@Nullable
public View getView()

Source Link

Document

Return the View object, or null if we are using a view name to be resolved by the DispatcherServlet via a ViewResolver.

Usage

From source file:org.springframework.web.servlet.SimpleDispatcherServlet.java

/**
 * Render the given ModelAndView./*  w w w  .  j av  a 2 s . c  om*/
 * <p>This is the last stage in handling a request. It may involve resolving the view by name.
 * @param mv the ModelAndView to render
 * @param request current HTTP servlet request
 * @param response current HTTP servlet response
 * @throws Exception if there's a problem rendering the view
 */
protected void render(ModelAndView mv, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    // Determine locale for request and apply it to the response.
    Locale locale = this.localeResolver.resolveLocale(request);
    response.setLocale(locale);

    View view;
    if (mv.isReference()) {
        // We need to resolve the view name.
        view = resolveViewName(mv.getViewName(), mv.getModelInternal(), locale, request);
        if (view == null) {
            throw new ServletException("Could not resolve view with name '" + mv.getViewName()
                    + "' in servlet with name '" + getServletName() + "'");
        }
    } else {
        // No need to lookup: the ModelAndView object contains the actual View object.
        view = mv.getView();
        if (view == null) {
            throw new ServletException("ModelAndView [" + mv + "] neither contains a view name nor a "
                    + "View object in servlet with name '" + getServletName() + "'");
        }
    }

    //DEBUG
    Map<String, Object> modelInternal = mv.getModelInternal();
    for (String modelName : modelInternal.keySet()) {
        System.out.println("modelKey: " + modelName);
        System.out.println("modelValue: " + modelInternal.get(modelName));
    }

    // Delegate to the View object for rendering.
    if (logger.isDebugEnabled()) {
        logger.debug("Rendering view [" + view + "] in DispatcherServlet with name '" + getServletName() + "'");
    }
    view.render(mv.getModelInternal(), request, response);
}