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

  public void setMultiValueQueryParameter()
  {
    PageParameters parameters = new PageParameters();
    parameters.add("q_1", "q_1_value_1");
    parameters.add("q_1", "q_1_value_2");
    IPageProvider testPageProvider = new PageProvider(MockPageParametersAware.class, parameters);
    IRequestHandler pageRequestHandler = new BookmarkablePageRequestHandler(testPageProvider);
    Url url = tester.getApplication().getRootRequestMapper().mapHandler(pageRequestHandler);
    tester.getRequest().addParameter("q_2", "q_2_value_1");
    tester.getRequest().addParameter("q_2", "q_2_value_2");
    tester.getRequest().setUrl(url);

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        throw new WicketRuntimeException("Error creating page for modal dialog.");
      }
      // TODO (NG)
// RequestCycle.get().setUrlForNewWindowEncoding();


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

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

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   * @return the rendered <code>Page</code>
   */
  public final <C extends Page> Page startPage(Class<C> pageClass, PageParameters parameters)
  {
    request.setUrl(application.getRootRequestMapper().mapHandler(
      new BookmarkablePageRequestHandler(new PageProvider(pageClass, parameters))));
    processRequest();
    return getLastRenderedPage();
  }

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  public abstract int getCompatibilityScore(Request request);


  private IRequestHandler processBookmarkable(Class<? extends IRequestablePage> pageClass,
    PageParameters pageParameters)
  {
    PageProvider provider = new PageProvider(pageClass, pageParameters);
    provider.setPageSource(getContext());
    return new RenderPageRequestHandler(provider);
  }

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  private IRequestHandler processHybrid(PageInfo pageInfo,
    Class<? extends IRequestablePage> pageClass, PageParameters pageParameters,
    Integer renderCount)
  {
    PageProvider provider = new PageProvider(pageInfo.getPageId(), pageClass, pageParameters,
      renderCount);
    provider.setPageSource(getContext());
    return new RenderPageRequestHandler(provider);
  }

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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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