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

Package org.apache.wicket.core.request.handler

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

org.apache.wicket.core.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

    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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   * WICKET-5247 page instantiated without required parameters won't be mapped
   */
  @Test
  public void placeholderEncode4()
  {
    PageProvider provider = new PageProvider(new MockPage())
    {
      @Override
      public boolean isNewPageInstance()
      {
        return false;
      }
    };
    provider.setPageSource(context);
    IRequestHandler handler = new RenderPageRequestHandler(provider);
    Url url = placeholderEncoder.mapHandler(handler);
    assertNull(url);
  }

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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 = optionPlaceholderEncoder.mapHandler(handler);
    assertEquals("some/p1/path/p2/i1/i2?a=b&b=c", url.toString());
  }

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    parameters.set("b", "c");
    parameters.set("param2", "p2");
    parameters.set("param3", "p3");




    PageProvider provider = new PageProvider(MockPage.class, parameters);
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = optionPlaceholderEncoder.mapHandler(handler);
    assertEquals("some/path/p2/p3/i1/i2?a=b&b=c", url.toString());
  }

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   * 
   * @param interceptPage
   */
  public RestartResponseAtInterceptPageException(Page interceptPage)
  {
    super(new RenderPageRequestHandler(new PageProvider(interceptPage),
      RedirectPolicy.AUTO_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 (shouldRedirectToPage(requestCycle))
    {
      // 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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   */
  @Test
  public void encode1()
  {
    MockPage page = new MockPage(15);
    IPageProvider provider = new PageProvider(page);
    IRequestHandler handler = new RenderPageRequestHandler(provider);


    Url url = encoder.mapHandler(handler);
    assertEquals("wicket/page?15", url.toString());
  }

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   *
   */
  @Test
  public void encode1()
  {
    PageProvider provider = new PageProvider(MockPage.class, new PageParameters());
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);
    assertEquals("wicket/bookmarkable/" + PAGE_CLASS_NAME, url.toString());
  }

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