import org.apache.wicket.core.request.handler.IPageRequestHandler; //导入依赖的package包/类
private Component getComponent() {
    if (component == null && !NESTED_PAGE_RETRIEVAL.get()) {
        NESTED_PAGE_RETRIEVAL.set(true);
        try {
            final IPageRequestHandler handler = PageRequestHandlerTracker.getLastHandler(RequestCycle.get());
            if (handler != null) {
                if (componentClass != null) {
                    final Component foundComponent = Components.findComponent(componentClass,
                            (Page) handler.getPage());
                    if (foundComponent != null) {
                        return foundComponent;
                    }
                }
                return (Page) handler.getPage();
            }
        } finally {
            NESTED_PAGE_RETRIEVAL.set(false);
        }
    }
    return component;
}
 

import org.apache.wicket.core.request.handler.IPageRequestHandler; //导入依赖的package包/类
private Page extractCurrentPage(boolean fullSearch)
{
	final RequestCycle requestCycle = RequestCycle.get();

	IRequestHandler handler = requestCycle.getActiveRequestHandler();

	if (handler == null)
	{
		handler = requestCycle.getRequestHandlerScheduledAfterCurrent();
		
		if(handler==null && fullSearch) {
			handler = OrientDbWebApplication.get().getRootRequestMapper().mapRequest(requestCycle.getRequest());
		}
	}

	if (handler instanceof IPageRequestHandler)
	{
		IPageRequestHandler pageRequestHandler = (IPageRequestHandler)handler;
		return (Page)pageRequestHandler.getPage();
	}
	return null;
}
 

import org.apache.wicket.core.request.handler.IPageRequestHandler; //导入依赖的package包/类
/**
 * Returns the page being rendered when the exception was thrown, or {@code null} if it cannot be extracted.
 *
 * @return a Page
 */
private Page extractCurrentPage() {
    RequestCycle requestCycle = RequestCycle.get();

    if (requestCycle == null) {
        return null;
    }

    IRequestHandler handler = requestCycle.getActiveRequestHandler();

    if (handler == null) {
        handler = requestCycle.getRequestHandlerScheduledAfterCurrent();
    }

    if (handler instanceof IPageRequestHandler) {
        return (Page) ((IPageRequestHandler) handler).getPage();
    } else {
        return null;
    }
}
 

import org.apache.wicket.core.request.handler.IPageRequestHandler; //导入依赖的package包/类
@Nullable
public static Page getPage() {
	if (RequestCycle.get() != null && RequestCycle.get().getActiveRequestHandler() instanceof IPageRequestHandler) {
		return (Page) ((IPageRequestHandler) RequestCycle.get().getActiveRequestHandler()).getPage();	
	} else {
		return null;
	}
}
 

import org.apache.wicket.core.request.handler.IPageRequestHandler; //导入依赖的package包/类
@Override
public void onEndRequest(final RequestCycle cycle) {
    final IPageRequestHandler handler = PageRequestHandlerTracker.getLastHandler(cycle);
    if (handler != null) {
        PageFactory.get().updatePage((Page) handler.getPage());
    }
}
 

import org.apache.wicket.core.request.handler.IPageRequestHandler; //导入依赖的package包/类
@SuppressWarnings("unused")
private static List<String> getCommentedFiles() {
	IPageRequestHandler handler = (IPageRequestHandler) RequestCycle.get().getActiveRequestHandler();
	return ((CodeCommentsPage)handler.getPage()).getCommentedFiles();
}
 

import org.apache.wicket.core.request.handler.IPageRequestHandler; //导入依赖的package包/类
public static final void initExceptionPages(WebApplication application) {
    application.getExceptionSettings().setUnexpectedExceptionDisplay(
            IExceptionSettings.SHOW_EXCEPTION_PAGE);
    application.getExceptionSettings().setThreadDumpStrategy(
            ThreadDumpStrategy.ALL_THREADS);
    application.getExceptionSettings().setAjaxErrorHandlingStrategy(
            AjaxErrorStrategy.REDIRECT_TO_ERROR_PAGE);

    application.getApplicationSettings().setAccessDeniedPage(
            AccessDeniedPage.class);
    application.getApplicationSettings().setInternalErrorPage(
            InternalErrorPage.class);
    application.getApplicationSettings().setPageExpiredErrorPage(
            PageExpiredErrorPage.class);

    application.getRequestCycleListeners().add(
            new AbstractRequestCycleListener() {
                @Override
                public IRequestHandler onException(RequestCycle cycle,
                        Exception e) {

                    Page currentPage = null;

                    IRequestHandler handler = cycle
                            .getActiveRequestHandler();

                    if (handler == null) {
                        handler = cycle
                                .getRequestHandlerScheduledAfterCurrent();
                    }

                    if (handler instanceof IPageRequestHandler) {
                        IPageRequestHandler pageRequestHandler = (IPageRequestHandler) handler;
                        currentPage = (Page) pageRequestHandler.getPage();
                    }

                    return new RenderPageRequestHandler(new PageProvider(
                            new ExceptionErrorPage(e, currentPage)));
                }
            });

}