Example usage for org.apache.wicket Page getMetaData

Introduction

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

Prototype

public final <M extends Serializable> M getMetaData(final MetaDataKey<M> key) 

Source Link

Document

Gets metadata for this component using the given key.

Usage

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

License:Apache License

/**
 * Retrieves a conversation id, if any, that is associated with a {@link Page} instance
 *
 * @param page page instance/*from   w  w  w.jav a 2  s . c om*/
 * @return conversation id, if any
 */
public String getConversationMarker(Page page) {
    return page.getMetaData(ConversationIdMetaKey.INSTANCE);
}

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

License:Apache License

@Override
public void onRequestHandlerResolved(RequestCycle cycle, IRequestHandler handler) {
    Conversation conversation = getConversation();
    logger.debug("In onRequestHandlerResolved id = {}", conversation.getId());
    String cid = cycle.getRequest().getRequestParameters().getParameterValue(CID_ATTR).toString();
    Page page = getPage(handler);

    if (page == null) {
        return;//  w ww  . j  av  a  2s.c o  m
    }

    if (cid == null) {
        cid = page.getMetaData(CID_KEY);
    }

    if (cid != null && !conversation.isTransient() && !Objects.isEqual(conversation.getId(), cid)) {
        logger.info("Conversation {} has expired for {}", cid, page);
        throw new ConversationExpiredException(null, cid, page, handler);
    }

    activateConversationIfNeeded(page, cycle, handler, cid);
}

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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;//  w w w. j  a v  a  2s.  co  m
    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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From source file:org.odlabs.wiquery.core.commons.WiQueryCoreHeaderContributor.java

License:Open Source License

private void renderAjaxResponse(IHeaderResponse response, AjaxRequestTarget ajaxRequestTarget) {
    WiQuerySettings settings = WiQuerySettings.get();

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

    WiQueryHeaderResponse wiQueryHeaderResponse;
    IHeaderResponse headerResponse;//  www .  j  a v  a  2 s .com
    if (settings.isEnableResourcesMerging()) {
        Page page = RequestCycle.get().getResponsePage();

        if (page == null || page.getMetaData(WIQUERY_MERGER) == null) {
            wiQueryHeaderResponse = null;
            headerResponse = response;

        } else {
            wiQueryHeaderResponse = page.getMetaData(WIQUERY_MERGER);
            wiQueryHeaderResponse.setIHeaderResponse(response); // Preserved already used
            // references
            headerResponse = wiQueryHeaderResponse;
        }

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

    WiQueryResourceManager manager = new WiQueryResourceManager();

    if (owner.determineVisibility()) {
        if (owner instanceof IWiQueryPlugin) {
            renderPlugin(response, ajaxRequestTarget, (IWiQueryPlugin) owner, pluginRenderingListeners, manager,
                    headerResponse);
        }
        for (IBehavior behavior : owner.getBehaviors()) {
            if (behavior instanceof IWiQueryPlugin && behavior.isEnabled(owner)) {
                renderPlugin(response, ajaxRequestTarget, (IWiQueryPlugin) behavior, pluginRenderingListeners,
                        manager, headerResponse);
            }
        }
    }

    initializeResourceManager(headerResponse, manager);

    mergeResources(response, settings, wiQueryHeaderResponse);
}

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