Examples of org.apache.wicket.request.handler.PageProvider

Package org.apache.wicket.request.handler

Examples of org.apache.wicket.request.handler.PageProvider

org.apache.wicket.request.handler.PageProvider
Provides page instance for request handlers. Each of the constructors has just enough information to get existing or create new page instance. Requesting or creating page instance is deferred until {@link #getPageInstance()} is called.
Purpose of this class is to reduce complexity of both {@link IRequestMapper}s and {@link IRequestHandler}s. {@link IRequestMapper} examines the URL, gathers all relevantinformation about the page in the URL (combination of page id, page class, page parameters and render count), creates {@link PageProvider} object and creates a {@link IRequestHandler} instancethat can use the {@link PageProvider} to access the page.
Apart from simplifying {@link IRequestMapper}s and {@link IRequestHandler}s {@link PageProvider}also helps performance because creating or obtaining page from {@link IPageManager} is delayeduntil the {@link IRequestHandler} actually requires the page. @author Matej Knopp

  {
    WebComponent meta = new WebComponent("meta");
    PageParameters parameters = new PageParameters();
    parameters.set("cto", continueTo);


    CharSequence url = urlFor(new BookmarkablePageRequestHandler(new PageProvider(
      BrowserInfoPage.class, parameters)));


    meta.add(new AttributeModifier("content", true, new Model<String>("0; url=" + url)));
    add(meta);
    WebMarkupContainer link = new WebMarkupContainer("link");

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      if (page == null)
      {
        throw new WicketRuntimeException("Error creating page for modal dialog.");
      }


      IRequestHandler handler = new RenderPageRequestHandler(new PageProvider(page));
      appendAssignment(buffer, "settings.src", RequestCycle.get().urlFor(handler));
    }
    else
    {
      buffer.append("settings.element=element;\n");

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   * 
   * @param interceptPage
   */
  public RestartResponseAtInterceptPageException(Page interceptPage)
  {
    super(new RenderPageRequestHandler(new PageProvider(interceptPage),
      RedirectPolicy.ALWAYS_REDIRECT));
    InterceptData.set();
  }

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   * @param parameters
   */
  public RestartResponseAtInterceptPageException(Class<? extends Page> interceptPageClass,
    PageParameters parameters)
  {
    super(new RenderPageRequestHandler(new PageProvider(interceptPageClass, parameters),
      RedirectPolicy.ALWAYS_REDIRECT));
    InterceptData.set();
  }

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      if (markupIdToComponent.values().contains(page))
      {
        // the page itself has been added to the request target, we simply issue a redirect
        // back to the page
        IRequestHandler handler = new RenderPageRequestHandler(new PageProvider(page));
        final String url = rc.urlFor(handler).toString();
        response.sendRedirect(url);
        return;
      }

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   * @param page
   * @return Page
   */
  public Page startPage(Page page)
  {
    return startPage(new PageProvider(page));
  }

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   */
  public final <C extends Page> Page startPage(final Class<C> pageClass)
  {
    startComponent = null;
    request.setUrl(application.getRootRequestMapper().mapHandler(
      new BookmarkablePageRequestHandler(new PageProvider(pageClass))));
    processRequest();
    return getLastRenderedPage();
  }

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  public final <C extends Page> Page startPage(final Class<C> pageClass,
    final PageParameters parameters)
  {
    startComponent = null;
    request.setUrl(application.getRootRequestMapper().mapHandler(
      new BookmarkablePageRequestHandler(new PageProvider(pageClass, parameters))));
    processRequest();
    return getLastRenderedPage();
  }

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   * @return Bookmarkable URL to page
   */
  public final <C extends Page> Url mapUrlFor(final Class<C> pageClass,
    final PageParameters parameters)
  {
    IRequestHandler handler = new BookmarkablePageRequestHandler(new PageProvider(pageClass,
      parameters));
    return mapUrlFor(handler);
  }

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   * 
   * @param page
   */
  public void setResponsePage(IRequestablePage page)
  {
    scheduleRequestHandlerAfterCurrent(new RenderPageRequestHandler(new PageProvider(page),
      RenderPageRequestHandler.RedirectPolicy.AUTO_REDIRECT));
  }

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