Example usage for org.apache.wicket.core.request.handler IPageRequestHandler isPageInstanceCreated

Introduction

In this page you can find the example usage for org.apache.wicket.core.request.handler IPageRequestHandler isPageInstanceCreated.

Prototype

boolean isPageInstanceCreated();

Source Link

Document

Checks if the page instance is already created or if it will be created when #getPage() is called

Usage

From source file:com.github.javawithmarcus.wicket.cdi.ConversationPropagator.java

License:Apache License

/**
 * Resolves a page instance from the request handler iff the page instance is already created
 *
 * @param handler/* www .j  av a 2 s  .co m*/
 * @return page or {@code null} if none
 */
public static Page getPage(IRequestHandler handler) {
    while (handler instanceof IRequestHandlerDelegate) {
        handler = ((IRequestHandlerDelegate) handler).getDelegateHandler();
    }

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

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From source file:de.flapdoodle.wicket.request.cycle.RequestCyclePageExceptionListener.java

License:Apache License

@Override
public IRequestHandler onException(RequestCycle cycle, Exception ex) {
    IPageRequestHandler latestPageRequestHandler = getLastHandler(cycle);
    if (latestPageRequestHandler != null) {
        if (latestPageRequestHandler.isPageInstanceCreated()) {
            return _pageExceptionListener.onException(cycle, ex, latestPageRequestHandler.getPage());
        } else {//  w  w  w. ja v a2 s .  c om
            return _pageExceptionListener.onException(cycle, ex, latestPageRequestHandler.getPageClass());
        }
    }

    return super.onException(cycle, ex);
}

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