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

    // 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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      {
        pageUrl = requestCycle.urlFor(page.getClass(), page.getPageParameters());
      }
      else
      {
        IRequestHandler handler = new RenderPageRequestHandler(new PageProvider(page));
        pageUrl = requestCycle.urlFor(handler);
      }


      appendAssignment(buffer, "settings.src", pageUrl);
    }

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   * @return a {@code IRequestHandler} capable of processing the bookmarkable request.
   */
  protected 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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   */
  protected IRequestHandler processHybrid(PageInfo pageInfo,
    Class<? extends IRequestablePage> pageClass, PageParameters pageParameters,
    Integer renderCount)
  {
    PageProvider provider = new PageProvider(pageInfo.getPageId(), pageClass, pageParameters,
      renderCount);
    provider.setPageSource(getContext());
    if (provider.isNewPageInstance() && !getRecreateMountedPagesAfterExpiry())
    {
      throw new PageExpiredException(String.format("Bookmarkable page id '%d' has expired.",
        pageInfo.getPageId()));
    }
    else

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

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    PageParameters parameters = new PageParameters();
    parameters.set(0, "i1");
    parameters.set(1, "i2");
    parameters.set("a", "b");
    parameters.set("b", "c");
    PageProvider provider = new PageProvider(MockPage.class, parameters);
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);
    assertEquals("some/mount/path/i1/i2?a=b&b=c", url.toString());
  }

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    parameters.set(0, "i1");
    parameters.set(1, "i2");
    parameters.set("a", "b");
    parameters.set("b", "c");


    PageProvider provider = new PageProvider(MockPage.class, parameters);
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);


    assertEquals("some/mount/path/i1/i2?a=b&b=c", url.toString());
  }

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    page.getPageParameters().set(1, "i2");
    page.getPageParameters().set("a", "b");
    page.getPageParameters().set("b", "c");
    page.setCreatedBookmarkable(true);


    IPageProvider provider = new PageProvider(page);
    IRequestHandler handler = new RenderPageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);


    assertEquals("some/mount/path/i1/i2?15&a=b&b=c", url.toString());
  }

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    page.getPageParameters().set("a", "b");
    page.getPageParameters().set("b", "c");


    page.setCreatedBookmarkable(false);


    IPageProvider provider = new PageProvider(page);
    IRequestHandler handler = new RenderPageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);


    // mounted pages must render mounted url even for page that has not been created by
    // bookmarkable

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    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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