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.web.constants.AdaptiveMediaPortletKeys; import com.liferay.adaptive.media.web.constants.OptimizeImagesBackgroundTaskConstants; import com.liferay.adaptive.media.web.internal.background.task.OptimizeImagesAllConfigurationsBackgroundTaskExecutor; import com.liferay.adaptive.media.web.internal.background.task.OptimizeImagesSingleConfigurationBackgroundTaskExecutor; import com.liferay.portal.background.task.constants.BackgroundTaskContextMapConstants; import com.liferay.portal.kernel.backgroundtask.BackgroundTask; import com.liferay.portal.kernel.backgroundtask.BackgroundTaskManager; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.model.CompanyConstants; import com.liferay.portal.kernel.portlet.bridges.mvc.MVCActionCommand; import com.liferay.portal.kernel.service.ServiceContext; import com.liferay.portal.kernel.servlet.SessionMessages; import com.liferay.portal.kernel.theme.ThemeDisplay; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.kernel.util.WebKeys; import com.liferay.portal.kernel.uuid.PortalUUID; import java.io.Serializable; import java.util.HashMap; import java.util.Map; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; 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=/adaptive_media/optimize_images" }, service = MVCActionCommand.class) public class OptimizeImagesMVCActionCommand extends BaseMVCActionCommand { @Override protected void doPermissionCheckedProcessAction(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception { ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY); String entryUuid = ParamUtil.getString(actionRequest, "entryUuid"); final String jobName = "optimizeImages-".concat(_portalUUID.generate()); if (Validator.isNotNull(entryUuid)) { _optimizeImagesSingleConfiguration(themeDisplay.getUserId(), themeDisplay.getCompanyId(), jobName, entryUuid); } else { _optimizeImages(themeDisplay.getUserId(), themeDisplay.getCompanyId(), jobName); } SessionMessages.add(actionRequest, "optimizeImages"); } private BackgroundTask _optimizeImages(long userId, long companyId, String jobName) throws PortalException { Map<String, Serializable> taskContextMap = new HashMap<>(); taskContextMap.put(OptimizeImagesBackgroundTaskConstants.COMPANY_ID, companyId); taskContextMap.put(BackgroundTaskContextMapConstants.DELETE_ON_SUCCESS, true); try { return _backgroundTaskManager.addBackgroundTask(userId, CompanyConstants.SYSTEM, jobName, OptimizeImagesAllConfigurationsBackgroundTaskExecutor.class.getName(), taskContextMap, new ServiceContext()); } catch (PortalException pe) { throw new PortalException("Unable to schedule adaptive media images optimization", pe); } } private BackgroundTask _optimizeImagesSingleConfiguration(long userId, long companyId, String jobName, String configurationEntryUuid) throws PortalException { Map<String, Serializable> taskContextMap = new HashMap<>(); taskContextMap.put(OptimizeImagesBackgroundTaskConstants.CONFIGURATION_ENTRY_UUID, configurationEntryUuid); taskContextMap.put(OptimizeImagesBackgroundTaskConstants.COMPANY_ID, companyId); taskContextMap.put(BackgroundTaskContextMapConstants.DELETE_ON_SUCCESS, true); try { return _backgroundTaskManager.addBackgroundTask(userId, CompanyConstants.SYSTEM, jobName, OptimizeImagesSingleConfigurationBackgroundTaskExecutor.class.getName(), taskContextMap, new ServiceContext()); } catch (PortalException pe) { throw new PortalException("Unable to schedule adaptive media images optimization for " + "configuration " + configurationEntryUuid, pe); } } @Reference private BackgroundTaskManager _backgroundTaskManager; @Reference private PortalUUID _portalUUID; }