How to use

NonResettingRestartException

in

org.apache.wicket

/**
 * Constructor.
 *
 * @param pageClass
 *      the class of the new page that should be rendered
 * @param params
 *      the page parameters to use for the new page
 * @param redirectPolicy
 *      the policy that mandates whether to do a redirect
 */
public NonResettingRestartException(final Class<? extends Page> pageClass,
  final PageParameters params, RenderPageRequestHandler.RedirectPolicy redirectPolicy)
{
  this(createRequestHandler(pageClass, params, redirectPolicy), true);
}

/**
 * Constructor.
 *
 * @param redirectUrl
 *      URL to redirect to.
 */
public NonResettingRestartException(final String redirectUrl)
{
  this(createUrlRequestHandler(redirectUrl), true);
}

/**
 * Constructor.
 *
 * @param handler
 *      the IRequestHandler to use
 * @param removeScheduled
 *      a flag indicating whether to remove already a scheduled IRequestHandler
 */
public NonResettingRestartException(final IRequestHandler handler, boolean removeAll)
{
  super(handler, removeAll);
  transferResponseMetaData();
}

  private void setDefaultResponsePageIfNecessary()
  {
    // This does not work because it was Spring Security that intercepted the access, not
    // Wicket continueToOriginalDestination();
    String redirectUrl = getRedirectUrl();
    
    if (redirectUrl == null || redirectUrl.contains(".IBehaviorListener.")
        || redirectUrl.contains("-logoutPanel-")) {
      log.debug("Redirecting to welcome page");
      setResponsePage(getApplication().getHomePage());
    }
    else {
      log.debug("Redirecting to saved URL: [{}]", redirectUrl);
      if (isNotBlank(form.urlfragment) && form.urlfragment.startsWith("!")) {
        Url url = Url.parse("http://dummy?" + form.urlfragment.substring(1));
        UrlRequestParametersAdapter adapter = new UrlRequestParametersAdapter(url);
        LinkedHashMap<String, StringValue> params = new LinkedHashMap<>();
        for (String name : adapter.getParameterNames()) {
          params.put(name, adapter.getParameterValue(name));
        }
        Session.get().setMetaData(SessionMetaData.LOGIN_URL_FRAGMENT_PARAMS, params);
      }
      throw new NonResettingRestartException(redirectUrl);
    }
  }
}

  private void setDefaultResponsePageIfNecessary()
  {
    // This does not work because it was Spring Security that intercepted the access, not
    // Wicket continueToOriginalDestination();
    String redirectUrl = getRedirectUrl();
    
    if (redirectUrl == null || redirectUrl.contains(".IBehaviorListener.")
        || redirectUrl.contains("-logoutPanel-")) {
      log.debug("Redirecting to welcome page");
      setResponsePage(getApplication().getHomePage());
    }
    else {
      log.debug("Redirecting to saved URL: [{}]", redirectUrl);
      if (isNotBlank(form.urlfragment) && form.urlfragment.startsWith("!")) {
        Url url = Url.parse("http://dummy?" + form.urlfragment.substring(1));
        UrlRequestParametersAdapter adapter = new UrlRequestParametersAdapter(url);
        LinkedHashMap<String, StringValue> params = new LinkedHashMap<>();
        for (String name : adapter.getParameterNames()) {
          params.put(name, adapter.getParameterValue(name));
        }
        Session.get().setMetaData(SessionMetaData.LOGIN_URL_FRAGMENT_PARAMS, params);
      }
      throw new NonResettingRestartException(redirectUrl);
    }
  }
}

static void continueToOriginalDestination()
{
  InterceptData data = InterceptData.get();
  if (data != null)
  {
    String url = RequestCycle.get().getUrlRenderer().renderUrl(data.originalUrl);
    throw new NonResettingRestartException(url);
  }
}

/**
 * Constructor.
 *
 * @param redirectUrl
 *      URL to redirect to.
 */
public NonResettingRestartException(final String redirectUrl)
{
  this(createUrlRequestHandler(redirectUrl), true);
}

/**
 * Constructor.
 *
 * @param handler
 *      the IRequestHandler to use
 * @param removeScheduled
 *      a flag indicating whether to remove already a scheduled IRequestHandler
 */
public NonResettingRestartException(final IRequestHandler handler, boolean removeAll)
{
  super(handler, removeAll);
  transferResponseMetaData();
}

/**
 * Constructor.
 *
 * @param pageClass
 *      the class of the new page that should be rendered
 * @param params
 *      the page parameters to use for the new page
 * @param redirectPolicy
 *      the policy that mandates whether to do a redirect
 */
public NonResettingRestartException(final Class<? extends Page> pageClass,
  final PageParameters params, RenderPageRequestHandler.RedirectPolicy redirectPolicy)
{
  this(createRequestHandler(pageClass, params, redirectPolicy), true);
}

static void continueToOriginalDestination()
{
  InterceptData data = InterceptData.get();
  if (data != null)
  {
    String url = RequestCycle.get().getUrlRenderer().renderUrl(data.originalUrl);
    throw new NonResettingRestartException(url);
  }
}

private FileResourceStream export()
{
  File downloadFile = null;
  String username = state.getObject().getMode()
      .equals(Mode.AUTOMATION)
      && preferences.getObject().documentType
          .equals(SELECTEXPORT.AUTOMATED.toString()) ? "CORRECTION_USER"
              : SecurityContextHolder.getContext().getAuthentication()
                  .getName();
  try {
    downloadFile = importExportService.exportAnnotationDocument(
        state.getObject().getDocument(), username,
        importExportService.getFormatByName(preferences.getObject().format)
            .get(),
        state.getObject().getDocument().getName(), state.getObject().getMode());
  }
  catch (Exception e) {
    LOG.error("Export failed", e);
    error("Export failed:" + ExceptionUtils.getRootCauseMessage(e));
    // This will cause the open dialog to pop up again, but at least
    // the error feedback message will be visible. With the 
    // RestartResponseException the feedback message only flashes.
    throw new NonResettingRestartException(getPage().getPageClass());
  }
    
  return new FileResourceStream(downloadFile);
}

public HomePage(final PageParameters parameters) {
  super(parameters);
  StringBuilder redirectUrl = new StringBuilder("/app/");
  if (!parameters.get("errorMessage").isNull()) {
    redirectUrl.append("#!self?errorMessage=");
    appendMessage(redirectUrl, parameters.get("errorMessage").toString());
  } else if (!parameters.get("successMessage").isNull()) {
    redirectUrl.append("#!self?successMessage=");
    appendMessage(redirectUrl, parameters.get("successMessage").toString());
  } else if (!parameters.get("saml2SPUserAttrs").isNull()) {
    redirectUrl.append("#!self-saml2sp");
  } else if (!parameters.get("oidcClientUserAttrs").isNull()) {
    redirectUrl.append("#!self-oidcclient");
  }
  throw new NonResettingRestartException(redirectUrl.toString());
}

public HomePage(final PageParameters parameters) {
  super(parameters);
  StringBuilder redirectUrl = new StringBuilder("/app/");
  if (!parameters.get("errorMessage").isNull()) {
    redirectUrl.append("#!self?errorMessage=");
    appendMessage(redirectUrl, parameters.get("errorMessage").toString());
  } else if (!parameters.get("successMessage").isNull()) {
    redirectUrl.append("#!self?successMessage=");
    appendMessage(redirectUrl, parameters.get("successMessage").toString());
  } else if (!parameters.get("saml2SPUserAttrs").isNull()) {
    redirectUrl.append("#!self-saml2sp");
  } else if (!parameters.get("oidcClientUserAttrs").isNull()) {
    redirectUrl.append("#!self-oidcclient");
  }
  throw new NonResettingRestartException(redirectUrl.toString());
}