com.enonic.cms.business.portal.rendering.portalfunctions.IsWindowEmptyFunction.java Source code

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Here is the source code for com.enonic.cms.business.portal.rendering.portalfunctions.IsWindowEmptyFunction.java

Source

/*
 * Copyright 2000-2011 Enonic AS
 * http://www.enonic.com/license
 */
package com.enonic.cms.business.portal.rendering.portalfunctions;

import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang.StringUtils;

import com.enonic.cms.business.portal.InvocationCache;
import com.enonic.cms.business.portal.rendering.PageRendererContext;
import com.enonic.cms.business.portal.rendering.WindowRenderer;
import com.enonic.cms.business.portal.rendering.WindowRendererContext;
import com.enonic.cms.business.portal.rendering.WindowRendererFactory;
import com.enonic.cms.business.portal.rendering.tracing.RenderTrace;
import com.enonic.cms.business.portal.rendering.tracing.TraceMarkerHelper;

import com.enonic.cms.domain.RequestParameters;
import com.enonic.cms.domain.portal.rendering.RenderedWindowResult;
import com.enonic.cms.domain.structure.page.WindowKey;

public class IsWindowEmptyFunction {
    private WindowRendererFactory windowRendererFactory;

    public IsWindowEmptyFunction() {
    }

    public Boolean isWindowEmpty(final WindowKey windowKey, final String[] params) {
        // save current PortalFunctionsContext
        PortalFunctionsContext previousPortalFunctionContext = PortalFunctionsFactory.get().getContext();
        try {
            PageRendererContext pageRendererContext = PortalFunctionsFactory.get().getContext()
                    .getPageRendererContext();
            WindowRendererContext windowRenderContext = new WindowRendererContext();
            windowRenderContext.setContentFromRequest(pageRendererContext.getContentFromRequest());
            windowRenderContext.setOverridingSitePropertyCreateUrlAsPath(
                    pageRendererContext.getOverridingSitePropertyCreateUrlAsPath());
            windowRenderContext.setDeviceClass(pageRendererContext.getDeviceClass());
            windowRenderContext.setEncodeURIs(pageRendererContext.isEncodeURIs());
            windowRenderContext.setForceNoCacheUsage(pageRendererContext.forceNoCacheUsage());
            windowRenderContext.setHttpRequest(pageRendererContext.getHttpRequest());
            windowRenderContext.setInvocationCache(new InvocationCache());
            windowRenderContext.setLanguage(pageRendererContext.getLanguage());
            windowRenderContext.setLocale(pageRendererContext.getLocale());
            windowRenderContext.setMenuItem(pageRendererContext.getMenuItem());
            windowRenderContext.setOriginalSitePath(pageRendererContext.getOriginalSitePath());
            windowRenderContext.setPageRequestType(pageRendererContext.getPageRequestType());
            windowRenderContext.setPageTemplate(pageRendererContext.getMenuItem().getPage().getTemplate());
            windowRenderContext.setPreviewContext(pageRendererContext.getPreviewContext());
            windowRenderContext.setProcessors(pageRendererContext.getProcessors());
            windowRenderContext.setProfile(pageRendererContext.getProfile());
            windowRenderContext.setRegionsInPage(pageRendererContext.getRegionsInPage());
            windowRenderContext.setRenderedInline(true);
            windowRenderContext.setRenderer(pageRendererContext.getRenderer());
            windowRenderContext.setTicketId(pageRendererContext.getTicketId());
            windowRenderContext.setShoppingCart(pageRendererContext.getShoppingCart());
            windowRenderContext.setSite(pageRendererContext.getSite());
            windowRenderContext.setSitePath(pageRendererContext.getSitePath());
            windowRenderContext.setVerticalSession(pageRendererContext.getVerticalSession());
            windowRenderContext.setOriginalUrl(pageRendererContext.getOriginalUrl());

            String windowContent = renderWindow(windowKey, params, windowRenderContext);

            return StringUtils.isBlank(windowContent);
        } finally {
            // restore previous PortalFunctionsContext
            PortalFunctionsFactory.get().setContext(previousPortalFunctionContext);
        }
    }

    private String renderWindow(final WindowKey windowKey, final String[] params,
            final WindowRendererContext context) {
        HashMap<String, String> map = createParamsMap(params);

        WindowRenderer windowRenderer = windowRendererFactory.createPortletRenderer(context);

        RequestParameters portletParams = new RequestParameters();

        for (Map.Entry<String, String> entry : map.entrySet()) {
            portletParams.addParameterValue(entry.getKey(), entry.getValue());
        }

        RenderedWindowResult renderedWindowResult = windowRenderer.renderWindowInline(windowKey, portletParams);

        if (RenderTrace.isTraceOn()) {
            return TraceMarkerHelper.unwrapResultWithPortletMarker(renderedWindowResult);
        } else {
            return renderedWindowResult.getContent();
        }
    }

    private HashMap<String, String> createParamsMap(String[] params) {
        HashMap<String, String> map = new HashMap<String, String>();
        if ((params != null) && (params.length > 0)) {
            for (int i = 0; i < (params.length / 2); i++) {
                map.put(params[i * 2], params[i * 2 + 1]);
            }
        }
        return map;
    }

    public void setWindowRendererFactory(WindowRendererFactory windowRendererFactory) {
        this.windowRendererFactory = windowRendererFactory;
    }
}