Examples of org.apache.wicket.Application$DefaultExceptionMapperProvider

org.apache.wicket.Application
Base class for all Wicket applications. To create a Wicket application, you generally should not directly subclass this class. Instead, you will want to subclass some subclass of Application, like WebApplication, which is appropriate for the protocol and markup type you are working with.
Application has the following interesting features / attributes:
- Name - The Application's name, which is the same as its class name.
- Home Page - The Application's home Page class. Subclasses must override getHomePage() to provide this property value.
- Settings - Application settings are partitioned into sets of related settings using interfaces in the org.apache.wicket.settings package. These interfaces are returned by the following methods, which should be used to configure framework settings for your application: getApplicationSettings(), getDebugSettings(), getExceptionSettings(), getMarkupSettings(), getPageSettings(), getRequestCycleSettings(), getSecuritySettings and getSessionSettings(). These settings are configured by default through the constructor or internalInit methods. Default the application is configured for DEVELOPMENT. You can configure this globally to DEPLOYMENT or override specific settings by implementing the init() method.
- Shared Resources - Resources added to an Application's SharedResources have application-wide scope and can be referenced using a logical scope and a name with the ResourceReference class. ResourceReferences can then be used by multiple components in the same application without additional overhead (beyond the ResourceReference instance held by each referee) and will yield a stable URL, permitting efficient browser caching of the resource (even if the resource is dynamically generated). Resources shared in this manner may also be localized. See {@link org.apache.wicket.request.resource.ResourceReference} for more details.
- Custom Session Subclasses- In order to install your own {@link Session} subclass youmust override Application {@link #newSession(Request,Response)}. For subclasses of {@link WebApplication} you will want to subclass {@link WebSession}.
@see org.apache.wicket.protocol.http.WebApplication @author Jonathan Locke

   *            Value to encode
   * @return String encoded using default Application request/respose encoding
   */
  public String encode(String s)
  {
    Application app = null;


    try
    {
      app = Application.get();
    }
    catch (WicketRuntimeException ignored)
    {
      log.warn("No current Application found - defaulting encoding to UTF-8");
    }
    return encode(s, app == null ? "UTF-8" : app.getRequestCycleSettings()
      .getResponseRequestEncoding());
  }

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          Class candidate = null;
          try
          {
            // Can the application always be taken??
            Application application = Application.get();
            IApplicationSettings applicationSettings = application.getApplicationSettings();
            IClassResolver classResolver = applicationSettings.getClassResolver();


            candidate = classResolver.resolveClass(className);
            if (candidate == null)
            {

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    private final String applicationKey;
    private String sessionId;


    private IPageStore getPageStore()
    {
      Application application = Application.get(applicationKey);


      if (application != null)
      {
        SecondLevelCacheSessionStore store = (SecondLevelCacheSessionStore)application.getSessionStore();


        return store.getStore();
      }
      else
      {

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    // Begin encoding URL
    final AppendingStringBuffer url = new AppendingStringBuffer(64);


    // Get page Class
    final Class pageClass = requestTarget.getPageClass();
    final Application application = Application.get();


    // Find pagemap name
    String pageMapName = requestTarget.getPageMapName();
    if (pageMapName == null)
    {
      IRequestTarget currentTarget = requestCycle.getRequestTarget();
      if (currentTarget instanceof IPageRequestTarget)
      {
        Page currentPage = ((IPageRequestTarget)currentTarget).getPage();
        final IPageMap pageMap = currentPage.getPageMap();
        if (pageMap.isDefault())
        {
          pageMapName = "";
        }
        else
        {
          pageMapName = pageMap.getName();
        }
      }
      else
      {
        pageMapName = "";
      }
    }


    WebRequestEncoder encoder = new WebRequestEncoder(url);
    if (!application.getHomePage().equals(pageClass) ||
      !"".equals(pageMapName) ||
      (application.getHomePage().equals(pageClass) && requestTarget instanceof BookmarkableListenerInterfaceRequestTarget))
    {
      /*
       * Add <page-map-name>:<bookmarkable-page-class>
       * 
       * Encode the url so it is correct even for class names containing non ASCII characters,

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    String relativePath = getRelativePath(httpServletRequest);


    if (isWicketRequest(relativePath))
    {
      Application previous = null;
      if (Application.exists())
      {
        previous = Application.get();
      }
      try

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              // ignore this exception.
              log.debug("Class not found by using objects own classloader, trying the IClassResolver");
            }




            Application application = Application.get();
            IApplicationSettings applicationSettings = application.getApplicationSettings();
            IClassResolver classResolver = applicationSettings.getClassResolver();


            Class candidate = null;
            try
            {

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      {
        // ignore this exception.
        log.debug("Class not found by using objects own classloader, trying the IClassResolver");
      }


      Application application = Application.get();
      IApplicationSettings applicationSettings = application.getApplicationSettings();
      IClassResolver classResolver = applicationSettings.getClassResolver();


      Class candidate = null;
      try
      {

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     * @param s Value to encode
     * @return String encoded using default Application request/respose encoding
     */
    public String decode(String s)
    {
        Application app = null;


        try {
            app = Application.get();
        }
        catch (WicketRuntimeException ignored)
        {
            log.warn("No current Application found - defaulting encoding to UTF-8");
        }
        return decode(s, app == null ? "UTF-8" : app.getRequestCycleSettings().getResponseRequestEncoding());    
    }

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    if (valueParser.matches())
    {
      final String imageReferenceName = valueParser.getImageReferenceName();
      final String specification = Strings.replaceHtmlEscapeNumber(valueParser.getSpecification());
      final String factoryName = valueParser.getFactoryName();
      final Application application = component.getApplication();


      // Do we have a reference?
      if (!Strings.isEmpty(imageReferenceName))
      {
        // Is resource already available via the application?
        if (application.getSharedResources().get(Application.class, imageReferenceName,
          locale, style, true) == null)
        {
          // Resource not available yet, so create it with factory and
          // share via Application
          final Resource imageResource = getResourceFactory(application, factoryName).newResource(
            specification, locale, style);
          application.getSharedResources().add(Application.class, imageReferenceName,
            locale, style, imageResource);
        }


        // Create resource reference
        resourceReference = new ResourceReference(Application.class, imageReferenceName);

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    {
      ITargetRespondListener listener = (ITargetRespondListener)it.next();
      listener.onTargetRespond(this);
    }


    final Application app = Application.get();


    // Determine encoding
    final String encoding = app.getRequestCycleSettings().getResponseRequestEncoding();


    // Set content type based on markup type for page
    response.setCharacterEncoding(encoding);
    response.setContentType("text/xml; charset=" + encoding);

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