Examples of org.apache.wicket.Session$PageAccessSynchronizerProvider

org.apache.wicket.Session
Holds information about a user session, including some fixed number of most recent pages (and all their nested component information).
- Access - the Session can be retrieved either by {@link Component#getSession()}or by directly calling the static method Session.get(). All classes which extend directly or indirectly {@link org.apache.wicket.markup.html.WebMarkupContainer} can also use its convenience method{@link org.apache.wicket.markup.html.WebMarkupContainer#getWebSession()}
- Locale - A session has a Locale property to support localization. The Locale for a session can be set by calling {@link Session#setLocale(Locale)}. The Locale for a Session determines how localized resources are found and loaded.
- Style - Besides having an appearance based on locale, resources can also have different looks in the same locale (a.k.a. "skins"). The style for a session determines the look which is used within the appropriate locale. The session style ("skin") can be set with the setStyle() method.
- Resource Loading - Based on the Session locale and style, searching for resources occurs in the following order (where sourcePath is set via the ApplicationSettings object for the current Application, and style and locale are Session properties):
- Session Properties - Arbitrary objects can be attached to a Session by installing a session factory on your Application class which creates custom Session subclasses that have typesafe properties specific to the application (see {@link Application} for details). Todiscourage non-typesafe access to Session properties, no setProperty() or getProperty() method is provided. In a clustered environment, you should take care to call the dirty() method when you change a property on your own. This way the session will be reset again in the http session so that the http session knows the session is changed.
- Class Resolver - Sessions have a class resolver ( {@link IClassResolver}) implementation that is used to locate classes for components such as pages.
- Page Factory - A pluggable implementation of {@link IPageFactory} is used toinstantiate pages for the session.
- Removal - Pages can be removed from the Session forcibly by calling remove(Page) or removeAll(), although such an action should rarely be necessary.
- Flash Messages - Flash messages are messages that are stored in session and are removed after they are displayed to the user. Session acts as a store for these messages because they can last across requests. @author Jonathan Locke @author Eelco Hillenius @author Igor Vaynberg (ivaynberg)

   */
  protected ClientInfo newClientInfo()
  {
    if (getApplication().getRequestCycleSettings().getGatherExtendedBrowserInfo())
    {
      Session session = getSession();
      if (session.getMetaData(BROWSER_WAS_POLLED_KEY) == null)
      {
        // we haven't done the redirect yet; record that we will be
        // doing that now and redirect
        session.setMetaData(BROWSER_WAS_POLLED_KEY, Boolean.TRUE);
        throw new RestartResponseAtInterceptPageException(new BrowserInfoPage(getRequest().getRelativePathPrefixToContextRoot() + getRequest().getURL()));
      }
      // if we get here, the redirect already has been done; clear
      // the meta data entry; we don't need it any longer is the client
      // info object will be cached too
      session.setMetaData(BROWSER_WAS_POLLED_KEY, (Boolean)null);
    }
    return new WebClientInfo(this);
  }

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        if (active > 0)
        {
          rd.setActiveRequest(active--);
        }
      }
      Session session = Session.get();
      String sessionId = session.getId();
      rd.setSessionId(sessionId);


      Object sessionInfo = getSessionInfo(session);
      rd.setSessionInfo(sessionInfo);


      long sizeInBytes = -1;
      if (Application.get().getRequestLoggerSettings().getRecordSessionSize())
      {
        try
        {
          sizeInBytes = session.getSizeInBytes();
        }
        catch (Exception e)
        {
          // log the error and let the request logging continue (this is what happens in the
          // detach phase of the request cycle anyway. This provides better diagnostics).

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  {
    HttpServletRequest httpServletRequest = ((HttpServletRequest)request);
    HttpSession httpSession = httpServletRequest.getSession(false);
    if (httpSession != null)
    {
      Session session = (Session)httpSession.getAttribute(sessionKey);
      if (session != null)
      {
        // set the session's threadlocal
        Session.set(session);

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      // if there is a pagemap name specified and multiwindow support is
      // on
      if (getPageMapName() != null)
      {
        // try to find out whether the pagemap already exists
        Session session = Session.get();
        if (session.pageMapForName(getPageMapName(), false) == null)
        {
          deletePageMap = true;
        }
        parameters.setPageMapName(getPageMapName());
      }

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      // should we cleanup the pagemap?
      if (deletePageMap == true)
      {
        // get the pagemap
        Session session = Session.get();
        IPageMap pageMap = session.pageMapForName(getPageMapName(), false);


        // if there is any remove it
        if (pageMap != null)
        {
          session.removePageMap(pageMap);
          deletePageMap = false;
        }
      }


      if (windowClosedCallback != null)

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   * 
   */
  protected Object load()
  {
    // Initialise information that we need to work successfully
    final Session session = Session.get();
    if (session != null)
    {
      this.localizer = Application.get().getResourceSettings().getLocalizer();
      this.locale = session.getLocale();
    }
    else
    {
      throw new WicketRuntimeException(
          "Cannot attach a string resource model without a Session context because that is required to get a Localizer");

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      else
      {
        name = name.replace('"', '_');
      }


      Session session = Session.get();


      Session.PageMapAccessMetaData meta = (Session.PageMapAccessMetaData)session
          .getMetaData(Session.PAGEMAP_ACCESS_MDK);
      if (meta == null)
      {
        meta = new Session.PageMapAccessMetaData();
        session.setMetaData(Session.PAGEMAP_ACCESS_MDK, meta);
      }
      boolean firstAccess = meta.add(pageMap);


      if (firstAccess)
      {
        // this is the first access to the pagemap, set window.name
        JavascriptUtils.writeOpenTag(response);
        response
            .write("if (window.name=='' || window.name.indexOf('wicket') > -1) { window.name=\"");
        response.write("wicket-" + name);
        response.write("\"; }");
        JavascriptUtils.writeCloseTag(response);
      }
      else
      {
        // Here is our trickery to detect whether the current request
        // was made in a new window/ tab, in which case it should go in
        // a different page map so that we don't intermangle the history
        // of those windows
        CharSequence url = null;
        if (target instanceof IBookmarkablePageRequestTarget)
        {
          IBookmarkablePageRequestTarget current = (IBookmarkablePageRequestTarget)target;
          BookmarkablePageRequestTarget redirect = new BookmarkablePageRequestTarget(
              session.createAutoPageMapName(), current.getPageClass(), current
                  .getPageParameters());
          url = cycle.urlFor(redirect);
        }
        else
        {

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    @Override
    public void put(Page page)
    {
      if (!page.isPageStateless())
      {
        Session session = getSession();
        String sessionId = session.getId();
        if (sessionId != null && !session.isSessionInvalidated())
        {
          // the id could have changed from null during request
          this.sessionId = sessionId;
          getStore().storePage(sessionId, page);
          setLastPage(page);

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        if (requestParameters.isOnlyProcessIfPathActive())
        {
          // this request has indeed been flagged as
          // process-only-if-path-is-active


          Session session = Session.get();
          IPageMap pageMap = session.pageMapForName(requestParameters.getPageMapName(),
            false);
          if (pageMap == null)
          {
            // requested pagemap no longer exists - ignore this
            // request

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  @SuppressWarnings("unchecked")
  protected IRequestTarget resolveBookmarkablePage(final RequestCycle requestCycle,
    final RequestParameters requestParameters)
  {
    String bookmarkablePageClass = requestParameters.getBookmarkablePageClass();
    Session session = requestCycle.getSession();
    Class<? extends Page> pageClass;
    try
    {
      pageClass = (Class<? extends Page>)session.getClassResolver().resolveClass(
        bookmarkablePageClass);
    }
    catch (ClassNotFoundException e)
    {
      return new WebErrorCodeResponseTarget(HttpServletResponse.SC_NOT_FOUND,
        "Unable to load Bookmarkable Page");
    }


    try
    {
      PageParameters params = new PageParameters(requestParameters.getParameters());
      if (requestParameters.getComponentPath() != null &&
        requestParameters.getInterfaceName() != null)
      {
        final String componentPath = requestParameters.getComponentPath();
        final Page page = session.getPage(requestParameters.getPageMapName(),
          componentPath, requestParameters.getVersionNumber());


        if (page != null && page.getClass() == pageClass)
        {
          return resolveListenerInterfaceTarget(requestCycle, page, componentPath,

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