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

    MockPage page = new MockPage(15);
    page.setBookmarkable(true);
    page.setCreatedBookmarkable(true);
    page.setPageStateless(true);


    IPageProvider provider = new PageProvider(page);
    IRequestHandler handler = new RenderPageRequestHandler(provider);


    Url url = encoder.mapHandler(handler);


    assertEquals("some/mount/path", url.toString());

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    parameters.set("b", "c");
    parameters.set("param1", "p1");
    parameters.set("param2", "p2");




    PageProvider provider = new PageProvider(MockPage.class, parameters);
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = placeholderEncoder.mapHandler(handler);
    assertEquals("some/p1/path/p2/i1/i2?a=b&b=c", url.toString());
  }

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    parameters.set("a", "b");
    parameters.set("b", "c");
    parameters.set("param1", "p1");
    parameters.set("param2", "p2");


    PageProvider provider = new PageProvider(MockPage.class, parameters)
    {
      @Override
      public boolean isNewPageInstance()
      {
        return false;
      }
    };
    provider.setPageSource(context);
    IRequestHandler handler = new RenderPageRequestHandler(provider);
    Url url = placeholderEncoder.mapHandler(handler);
    assertEquals("some/p1/path/p2/i1/i2?1&a=b&b=c", url.toString());
  }

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    public IRequestHandler map(Exception e)
    {
      if (Exceptions.findCause(e, TestException.class) != null)
      {
        return new RenderPageRequestHandler(new PageProvider(TestExceptionPage.class));
      }
      return wrapped.map(e);
    }

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    {
      @Override
      protected void onSubmit(AjaxRequestTarget target)
      {
        BookmarkablePageRequestHandler bookmarkablePageRequestHandler = new BookmarkablePageRequestHandler(
          new PageProvider(Index.class));
        RequestCycle requestCycle = RequestCycle.get();
        CharSequence urlFor = requestCycle.urlFor(bookmarkablePageRequestHandler);
        System.err.println("index:  " + urlFor);
        target.add(label);
      }

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   */
  public void testSetQueryParameterWhenRequestHasAnQueryUrl()
  {
    PageParameters parameters = new PageParameters();
    parameters.set("q_1", "q_1_value");
    IPageProvider testPageProvider = new PageProvider(MockPageParametersAware.class, parameters);
    IRequestHandler pageRequestHandler = new BookmarkablePageRequestHandler(testPageProvider);
    Url url = tester.getApplication().getRootRequestMapper().mapHandler(pageRequestHandler);
    tester.getRequest().setParameter("q_2", "q_2_value");
    tester.getRequest().setUrl(url);

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

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    // must be null for Pages
    componentInPage = null;


    // prepare the request
    request.setUrl(application.getRootRequestMapper().mapHandler(
      new BookmarkablePageRequestHandler(new PageProvider(pageClass, parameters))));


    // process the request
    processRequest();


    // The last rendered page

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  @Test
  public void setQueryParameterWhenRequestHasAnQueryUrl()
  {
    PageParameters parameters = new PageParameters();
    parameters.set("q_1", "q_1_value");
    IPageProvider testPageProvider = new PageProvider(MockPageParametersAware.class, parameters);
    IRequestHandler pageRequestHandler = new BookmarkablePageRequestHandler(testPageProvider);
    Url url = tester.getApplication().getRootRequestMapper().mapHandler(pageRequestHandler);
    tester.getRequest().setParameter("q_2", "q_2_value");
    tester.getRequest().setUrl(url);

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