Example usage for org.apache.wicket Page setMetaData

Introduction

In this page you can find the example usage for org.apache.wicket Page setMetaData.

Prototype

public final <M extends Serializable> Component setMetaData(final MetaDataKey<M> key, final M object) 

Source Link

Document

Sets the metadata for this component using the given key.

Usage

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

License:Apache License

/**
 * Removes conversation marker from the page instance which prevents the conversation from
 * propagating to the page. This method should usually be called from page's {@code onDetach()}
 * method./*from  w ww. j  ava  2  s . com*/
 *
 * @param page
 */
public void removeConversationMarker(Page page) {
    Args.notNull(page, "page");

    page.setMetaData(ConversationIdMetaKey.INSTANCE, null);
    page.getPageParameters().remove(ConversationPropagator.CID_ATTR);
}

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

License:Apache License

protected void setConversationOnPage(Page page) {
    Conversation conversation = getConversation();
    if (conversation.isTransient()) {
        clearConversationOnPage(page);/* w  ww  .j a  v  a  2  s. co m*/
    } else {

        logger.debug("Propagating non-transient conversation {} via meta of page instance {}",
                conversation.getId(), page);

        page.setMetaData(CID_KEY, conversation.getId());
    }
}

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

License:Apache License

protected void clearConversationOnPage(Page page) {
    Conversation conversation = getConversation();
    logger.debug("Detaching transient conversation {} via meta of page instance {}", conversation.getId(),
            page);//from w  w w .j a  v  a  2s. co m

    page.setMetaData(CID_KEY, null);
}

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From source file:org.odlabs.wiquery.core.commons.WiQueryCoreHeaderContributor.java

License:Open Source License

private void renderResponse(final IHeaderResponse response) {
    Page page = RequestCycle.get().getResponsePage();
    Boolean rendered;/*from w w  w . ja va  2s  .c  om*/
    if (page == null) {
        rendered = RequestCycle.get().getMetaData(WIQUERY_KEY);
    } else {
        Long renderTime = page.getMetaData(WIQUERY_PAGE_KEY);
        rendered = renderTime != null && renderTime.equals(RequestCycle.get().getStartTime());
        page.setMetaData(WIQUERY_PAGE_KEY, RequestCycle.get().getStartTime());
    }
    RequestCycle.get().setMetaData(WIQUERY_KEY, Boolean.TRUE);
    if (rendered == null || !rendered) {
        WiQuerySettings settings = WiQuerySettings.get();

        final List<WiQueryPluginRenderingListener> pluginRenderingListeners = getRenderingListeners(settings);

        WiQueryPluginCollector visitor = new WiQueryPluginCollector();
        if (page != null) {
            page.visitChildren(visitor);
            visitor.component(page);
        }

        WiQueryHeaderResponse wiQueryHeaderResponse;
        IHeaderResponse headerResponse;
        if (settings.isEnableResourcesMerging() && page != null) {
            wiQueryHeaderResponse = page.getMetaData(WIQUERY_MERGER);

            if (wiQueryHeaderResponse == null) {
                wiQueryHeaderResponse = new WiQueryHeaderResponse();
                page.setMetaData(WIQUERY_MERGER, wiQueryHeaderResponse);
            }

            wiQueryHeaderResponse.setIHeaderResponse(response); // Preserved already used
            // references
            headerResponse = wiQueryHeaderResponse;

        } else {
            wiQueryHeaderResponse = null;
            headerResponse = response;
        }

        WiQueryResourceManager manager = new WiQueryResourceManager();

        JsStatement jsStatement = new JsStatement();
        for (IWiQueryPlugin plugin : visitor.getPlugins()) {
            JsStatement tempStatement = plugin.statement();

            if (tempStatement != null) {
                jsStatement.append("\t" + tempStatement.render() + "\n");
            }

            // calling listeners to compute specific stuff
            for (WiQueryPluginRenderingListener listener : pluginRenderingListeners) {
                listener.onRender(plugin, manager, headerResponse);
            }

            plugin.contribute(manager);
        }

        initializeResourceManager(headerResponse, manager);

        mergeResources(response, settings, wiQueryHeaderResponse);

        JsQuery jsq = new JsQuery();
        jsq.setStatement(jsStatement);
        jsq.renderHead(response, RequestCycle.get().getRequestTarget());
    }
}

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