Examples with IRequestHandlerDelegate org.apache.wicket.request.IRequestHandlerDelegate used on opensource projects

Example 1 with IRequestHandlerDelegate

use of org.apache.wicket.request.IRequestHandlerDelegate in project wicket by apache.

the class AbstractBookmarkableMapper method mapHandler.

@Override
public Url mapHandler(IRequestHandler requestHandler) {
    // eliminate the need for IRequestHandlerDelegate
    while (requestHandler instanceof IRequestHandlerDelegate) {
        requestHandler = ((IRequestHandlerDelegate) requestHandler).getDelegateHandler();
    }
    if (requestHandler instanceof BookmarkablePageRequestHandler) {
        // simple bookmarkable URL with no page instance information
        BookmarkablePageRequestHandler handler = (BookmarkablePageRequestHandler) requestHandler;
        if (!checkPageClass(handler.getPageClass())) {
            return null;
        }
        PageInfo info = new PageInfo();
        UrlInfo urlInfo = new UrlInfo(new PageComponentInfo(info, null), handler.getPageClass(), handler.getPageParameters());
        return buildUrl(urlInfo);
    } else if (requestHandler instanceof RenderPageRequestHandler) {
        // possibly hybrid URL - bookmarkable URL with page instance information
        // but only allowed if the page was created by bookmarkable URL
        RenderPageRequestHandler handler = (RenderPageRequestHandler) requestHandler;
        if (!checkPageClass(handler.getPageClass())) {
            return null;
        }
        if (handler.getPageProvider().isNewPageInstance()) {
            // no existing page instance available, don't bother creating new page instance
            PageInfo info = new PageInfo();
            UrlInfo urlInfo = new UrlInfo(new PageComponentInfo(info, null), handler.getPageClass(), handler.getPageParameters());
            return buildUrl(urlInfo);
        }
        IRequestablePage page = handler.getPage();
        if (checkPageInstance(page) && (!pageMustHaveBeenCreatedBookmarkable() || page.wasCreatedBookmarkable())) {
            PageInfo info = getPageInfo(handler);
            PageComponentInfo pageComponentInfo = new PageComponentInfo(info, null);
            UrlInfo urlInfo = new UrlInfo(pageComponentInfo, page.getClass(), handler.getPageParameters());
            return buildUrl(urlInfo);
        } else {
            return null;
        }
    } else if (requestHandler instanceof BookmarkableListenerRequestHandler) {
        // request listener URL with page class information
        BookmarkableListenerRequestHandler handler = (BookmarkableListenerRequestHandler) requestHandler;
        Class<? extends IRequestablePage> pageClass = handler.getPageClass();
        if (!checkPageClass(pageClass)) {
            return null;
        }
        Integer renderCount = null;
        if (handler.includeRenderCount()) {
            renderCount = handler.getRenderCount();
        }
        PageInfo pageInfo = getPageInfo(handler);
        ComponentInfo componentInfo = new ComponentInfo(renderCount, handler.getComponentPath(), handler.getBehaviorIndex());
        PageParameters parameters = getRecreateMountedPagesAfterExpiry() ? new PageParameters(handler.getPage().getPageParameters()).mergeWith(handler.getPageParameters()) : handler.getPageParameters();
        UrlInfo urlInfo = new UrlInfo(new PageComponentInfo(pageInfo, componentInfo), pageClass, parameters);
        return buildUrl(urlInfo);
    }
    return null;
}