Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.liferay.adaptive.media.web.internal.portlet.action; import com.liferay.adaptive.media.image.configuration.AdaptiveMediaImageConfigurationEntry; import com.liferay.adaptive.media.image.configuration.AdaptiveMediaImageConfigurationHelper; import com.liferay.adaptive.media.web.constants.AdaptiveMediaPortletKeys; import com.liferay.adaptive.media.web.internal.constants.AdaptiveMediaWebKeys; import com.liferay.portal.kernel.portlet.bridges.mvc.MVCRenderCommand; import com.liferay.portal.kernel.theme.ThemeDisplay; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.WebKeys; import java.util.ArrayList; import java.util.Collection; import java.util.function.Predicate; import javax.portlet.RenderRequest; import javax.portlet.RenderResponse; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * @author Sergio Gonzlez */ @Component(immediate = true, property = { "javax.portlet.name=" + AdaptiveMediaPortletKeys.ADAPTIVE_MEDIA, "mvc.command.name=/", "mvc.command.name=/adaptive_media/view" }, service = MVCRenderCommand.class) public class ViewMVCRenderCommand implements MVCRenderCommand { @Override public String render(RenderRequest renderRequest, RenderResponse renderResponse) { Collection<AdaptiveMediaImageConfigurationEntry> configurationEntries = _getAdaptiveMediaImageConfigurationEntries( renderRequest); renderRequest.setAttribute(AdaptiveMediaWebKeys.CONFIGURATION_ENTRIES_LIST, new ArrayList<>(configurationEntries)); return "/adaptive_media/view.jsp"; } private Collection<AdaptiveMediaImageConfigurationEntry> _getAdaptiveMediaImageConfigurationEntries( RenderRequest renderRequest) { ThemeDisplay themeDisplay = (ThemeDisplay) renderRequest.getAttribute(WebKeys.THEME_DISPLAY); String entriesNavigation = ParamUtil.getString(renderRequest, "entriesNavigation", "all"); Predicate<AdaptiveMediaImageConfigurationEntry> predicate = null; if (entriesNavigation.equals("enabled")) { predicate = configurationEntry -> configurationEntry.isEnabled(); } else if (entriesNavigation.equals("disabled")) { predicate = configurationEntry -> !configurationEntry.isEnabled(); } else { predicate = configurationEntry -> true; } return _adaptiveMediaImageConfigurationHelper .getAdaptiveMediaImageConfigurationEntries(themeDisplay.getCompanyId(), predicate); } @Reference private AdaptiveMediaImageConfigurationHelper _adaptiveMediaImageConfigurationHelper; }