예제 #1
0
  private void restoreView(FacesContext context) throws FacesException {
    Application app = context.getApplication();

    if (app instanceof ApplicationImpl) ((ApplicationImpl) app).initRequest();

    ViewHandler view = app.getViewHandler();

    view.initView(context);

    UIViewRoot viewRoot = context.getViewRoot();

    if (viewRoot != null) {
      ExternalContext extContext = context.getExternalContext();

      viewRoot.setLocale(extContext.getRequestLocale());

      doSetBindings(context.getELContext(), viewRoot);

      return;
    }

    String viewId = calculateViewId(context);

    String renderKitId = view.calculateRenderKitId(context);

    RenderKitFactory renderKitFactory =
        (RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);

    RenderKit renderKit = renderKitFactory.getRenderKit(context, renderKitId);

    ResponseStateManager stateManager = renderKit.getResponseStateManager();

    if (stateManager.isPostback(context)) {
      viewRoot = view.restoreView(context, viewId);

      if (viewRoot != null) {
        doSetBindings(context.getELContext(), viewRoot);
      } else {
        // XXX: backward compat issues with ViewHandler and StateManager

        // throw new ViewExpiredException(L.l("{0} is an expired view", viewId));

        context.renderResponse();

        viewRoot = view.createView(context, viewId);

        context.setViewRoot(viewRoot);
      }

      context.setViewRoot(viewRoot);
    } else {
      context.renderResponse();

      viewRoot = view.createView(context, viewId);

      context.setViewRoot(viewRoot);
    }
  }
예제 #2
0
  private boolean sendError(FacesContext context, String lifecycle, Exception e) {
    for (Throwable cause = e; cause != null; cause = cause.getCause()) {
      if (cause instanceof DisplayableException) {
        if (e instanceof RuntimeException) throw (RuntimeException) e;
        else throw new FacesException(e);
      } else if (cause instanceof ServletException) throw new FacesException(e);
      else if (cause instanceof JspException) throw new FacesException(e);
    }

    ExternalContext extContext = context.getExternalContext();
    Object response = extContext.getResponse();

    if (!(response instanceof HttpServletResponse)) {
      context.renderResponse();

      if (e instanceof RuntimeException) throw (RuntimeException) e;
      else throw new RuntimeException(e);
    }

    log.log(Level.WARNING, e.toString(), e);

    HttpServletResponse res = (HttpServletResponse) response;

    try {
      context.renderResponse();
      context.responseComplete();

      res.setStatus(500, "JSF Exception");
      res.setContentType("text/html");

      PrintWriter out = res.getWriter();

      out.println("<body>");

      out.println("<h3>JSF exception detected in " + lifecycle + " phase</h3>");

      String msg = e.getMessage();
      out.println("<span style='color:red;font:bold'>" + Html.escapeHtml(msg) + "</span><br/>");

      out.println("<h3>Context: " + context.getViewRoot() + "</h3>");
      out.println("<code><pre>");

      String errorId = null;

      if (e instanceof FacesException && msg.startsWith("id=")) {
        int p = msg.indexOf(' ');
        errorId = msg.substring(3, p);
      }

      printComponentTree(out, errorId, context, context.getViewRoot(), 0);

      out.println("</pre></code>");

      if (!Alarm.isTest()) {
        out.println("<h3>Stack Trace</h3>");
        out.println("<pre>");
        if (e.getCause() != null) e.getCause().printStackTrace(out);
        else e.printStackTrace(out);
        out.println("</pre>");
      }

      out.println("</body>");

      // clear, so we don't just loop
      Application app = context.getApplication();

      ViewHandler view = app.getViewHandler();

      UIViewRoot viewRoot = context.getViewRoot();

      viewRoot = view.createView(context, viewRoot.getViewId());

      context.setViewRoot(viewRoot);

      // view.writeState(context); // XXX: no need to output state, but review.

      return true;
    } catch (IOException e1) {
      throw new RuntimeException(e);
    }
  }