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.blogs.web.internal.optimizer; import com.liferay.adaptive.media.constants.AMOptimizeImagesBackgroundTaskConstants; import com.liferay.adaptive.media.image.configuration.AMImageConfigurationEntry; import com.liferay.adaptive.media.image.configuration.AMImageConfigurationHelper; import com.liferay.adaptive.media.image.counter.AMImageCounter; import com.liferay.adaptive.media.image.mime.type.AMImageMimeTypeProvider; import com.liferay.adaptive.media.image.optimizer.AMImageOptimizer; import com.liferay.adaptive.media.image.processor.AMImageProcessor; import com.liferay.blogs.model.BlogsEntry; import com.liferay.document.library.kernel.model.DLFileEntry; import com.liferay.document.library.kernel.service.DLFileEntryLocalService; import com.liferay.portal.kernel.backgroundtask.BackgroundTaskConstants; import com.liferay.portal.kernel.backgroundtask.BackgroundTaskStatusMessageSender; import com.liferay.portal.kernel.backgroundtask.BackgroundTaskThreadLocal; import com.liferay.portal.kernel.dao.orm.ActionableDynamicQuery; import com.liferay.portal.kernel.dao.orm.DynamicQuery; import com.liferay.portal.kernel.dao.orm.Property; import com.liferay.portal.kernel.dao.orm.PropertyFactoryUtil; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.messaging.Message; import com.liferay.portal.kernel.repository.model.FileEntry; import com.liferay.portal.kernel.service.ClassNameLocalService; import com.liferay.portal.repository.liferayrepository.model.LiferayFileEntry; import java.util.Collection; import java.util.concurrent.atomic.AtomicInteger; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * @author Sergio Gonzlez */ @Component(immediate = true, property = { "adaptive.media.key=blogs" }, service = AMImageOptimizer.class) public class BlogsAMImageOptimizer implements AMImageOptimizer { @Override public void optimize(long companyId) { Collection<AMImageConfigurationEntry> amImageConfigurationEntries = _amImageConfigurationHelper .getAMImageConfigurationEntries(companyId); int count = _amImageCounter.countExpectedAMImageEntries(companyId); int total = count * amImageConfigurationEntries.size(); AtomicInteger atomicCounter = new AtomicInteger(0); for (AMImageConfigurationEntry amImageConfigurationEntry : amImageConfigurationEntries) { _optimize(companyId, amImageConfigurationEntry.getUUID(), total, atomicCounter); } } @Override public void optimize(long companyId, String configurationEntryUuid) { int total = _amImageCounter.countExpectedAMImageEntries(companyId); _optimize(companyId, configurationEntryUuid, total, new AtomicInteger(0)); } private void _optimize(long companyId, String configurationEntryUuid, int total, AtomicInteger atomicCounter) { ActionableDynamicQuery actionableDynamicQuery = _dlFileEntryLocalService.getActionableDynamicQuery(); actionableDynamicQuery.setAddCriteriaMethod(new ActionableDynamicQuery.AddCriteriaMethod() { @Override public void addCriteria(DynamicQuery dynamicQuery) { Property companyIdProperty = PropertyFactoryUtil.forName("companyId"); dynamicQuery.add(companyIdProperty.eq(companyId)); Property classNameIdProperty = PropertyFactoryUtil.forName("classNameId"); long classNameId = _classNameLocalService.getClassNameId(BlogsEntry.class.getName()); dynamicQuery.add(classNameIdProperty.eq(classNameId)); Property mimeTypeProperty = PropertyFactoryUtil.forName("mimeType"); dynamicQuery.add(mimeTypeProperty.in(_amImageMimeTypeProvider.getSupportedMimeTypes())); } }); actionableDynamicQuery .setPerformActionMethod(new ActionableDynamicQuery.PerformActionMethod<DLFileEntry>() { @Override public void performAction(DLFileEntry dlFileEntry) throws PortalException { FileEntry fileEntry = new LiferayFileEntry(dlFileEntry); try { _amImageProcessor.process(fileEntry.getFileVersion(), configurationEntryUuid); _sendStatusMessage(atomicCounter.incrementAndGet(), total); } catch (PortalException pe) { _log.error("Unable to process file entry " + fileEntry.getFileEntryId(), pe); } } }); try { actionableDynamicQuery.performActions(); } catch (PortalException pe) { _log.error(pe, pe); } } private void _sendStatusMessage(int count, int total) { Message message = new Message(); message.put(BackgroundTaskConstants.BACKGROUND_TASK_ID, BackgroundTaskThreadLocal.getBackgroundTaskId()); Class<? extends BlogsAMImageOptimizer> clazz = getClass(); message.put(AMOptimizeImagesBackgroundTaskConstants.CLASS_NAME, clazz.getName()); message.put(AMOptimizeImagesBackgroundTaskConstants.COUNT, count); message.put(AMOptimizeImagesBackgroundTaskConstants.TOTAL, total); message.put("status", BackgroundTaskConstants.STATUS_IN_PROGRESS); _backgroundTaskStatusMessageSender.sendBackgroundTaskStatusMessage(message); } private static final Log _log = LogFactoryUtil.getLog(BlogsAMImageOptimizer.class); @Reference private AMImageConfigurationHelper _amImageConfigurationHelper; @Reference(target = "(adaptive.media.key=blogs)") private AMImageCounter _amImageCounter; @Reference private AMImageMimeTypeProvider _amImageMimeTypeProvider; @Reference private AMImageProcessor _amImageProcessor; @Reference private BackgroundTaskStatusMessageSender _backgroundTaskStatusMessageSender; @Reference private ClassNameLocalService _classNameLocalService; @Reference private DLFileEntryLocalService _dlFileEntryLocalService; }