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.journal.atom; import com.liferay.journal.model.JournalArticle; import com.liferay.journal.service.JournalArticleService; import com.liferay.journal.util.comparator.ArticleVersionComparator; import com.liferay.portal.atom.AtomPager; import com.liferay.portal.atom.AtomUtil; import com.liferay.portal.kernel.atom.AtomCollectionAdapter; import com.liferay.portal.kernel.atom.AtomEntryContent; import com.liferay.portal.kernel.atom.AtomRequestContext; import com.liferay.portal.kernel.atom.BaseAtomCollectionAdapter; import com.liferay.portal.kernel.portlet.PortletProvider; import com.liferay.portal.kernel.portlet.PortletProviderUtil; import com.liferay.portal.kernel.security.auth.CompanyThreadLocal; import com.liferay.portal.kernel.service.ServiceContext; import com.liferay.portal.kernel.util.LocaleUtil; import com.liferay.portal.kernel.util.OrderByComparator; import com.liferay.portal.kernel.util.StringPool; import com.liferay.portal.kernel.workflow.WorkflowConstants; import java.util.ArrayList; import java.util.Calendar; import java.util.Collections; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Locale; import java.util.Map; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; /** * @author Igor Spasic */ @Component(property = { "model.class.name=com.liferay.journal.model.JournalArticle" }, service = AtomCollectionAdapter.class) public class JournalArticleAtomCollectionProvider extends BaseAtomCollectionAdapter<JournalArticle> { @Override public String getCollectionName() { return _COLLECTION_NAME; } @Override public List<String> getEntryAuthors(JournalArticle journalArticle) { List<String> authors = new ArrayList<>(1); authors.add(journalArticle.getUserName()); return authors; } @Override public AtomEntryContent getEntryContent(JournalArticle journalArticle, AtomRequestContext atomRequestContext) { return new AtomEntryContent(journalArticle.getContent(), AtomEntryContent.Type.XML); } @Override public String getEntryId(JournalArticle journalArticle) { return journalArticle.getArticleId(); } @Override public String getEntrySummary(JournalArticle entry) { return null; } @Override public String getEntryTitle(JournalArticle journalArticle) { return journalArticle.getTitle(); } @Override public Date getEntryUpdated(JournalArticle journalArticle) { return journalArticle.getModifiedDate(); } @Override public String getFeedTitle(AtomRequestContext atomRequestContext) { String portletId = PortletProviderUtil.getPortletId(JournalArticle.class.getName(), PortletProvider.Action.EDIT); return AtomUtil.createFeedTitleFromPortletName(atomRequestContext, portletId); } @Override protected void doDeleteEntry(String resourceName, AtomRequestContext atomRequestContext) throws Exception { long groupId = atomRequestContext.getLongParameter("groupId"); String articleId = resourceName; ServiceContext serviceContext = new ServiceContext(); _journalArticleService.deleteArticle(groupId, articleId, null, serviceContext); } @Override protected JournalArticle doGetEntry(String resourceName, AtomRequestContext atomRequestContext) throws Exception { long groupId = atomRequestContext.getLongParameter("groupId"); String articleId = resourceName; return _journalArticleService.getArticle(groupId, articleId); } @Override protected Iterable<JournalArticle> doGetFeedEntries(AtomRequestContext atomRequestContext) throws Exception { List<JournalArticle> journalArticles = new ArrayList<>(); long companyId = CompanyThreadLocal.getCompanyId(); long groupId = atomRequestContext.getLongParameter("groupId"); if ((companyId <= 0) || (groupId <= 0)) { return journalArticles; } List<Long> folderIds = Collections.emptyList(); long classNameId = 0; String keywords = null; Double version = null; String ddmStructureKey = null; String ddmTemplateKey = null; Date displayDateGT = null; Date displayDateLT = new Date(); int status = WorkflowConstants.STATUS_APPROVED; Date reviewDate = null; OrderByComparator<JournalArticle> obc = new ArticleVersionComparator(); int count = _journalArticleService.searchCount(companyId, groupId, folderIds, classNameId, keywords, version, ddmStructureKey, ddmTemplateKey, displayDateGT, displayDateLT, status, reviewDate); AtomPager atomPager = new AtomPager(atomRequestContext, count); AtomUtil.saveAtomPagerInRequest(atomRequestContext, atomPager); journalArticles = _journalArticleService.search(companyId, groupId, folderIds, classNameId, keywords, version, ddmStructureKey, ddmTemplateKey, displayDateGT, displayDateLT, status, reviewDate, atomPager.getStart(), atomPager.getEnd() + 1, obc); return journalArticles; } @Override protected JournalArticle doPostEntry(String title, String summary, String content, Date date, AtomRequestContext atomRequestContext) throws Exception { long groupId = atomRequestContext.getLongParameter("groupId"); long folderId = 0; long classNameId = 0; long classPK = 0; String articleId = StringPool.BLANK; boolean autoArticleId = true; Locale locale = LocaleUtil.getDefault(); Map<Locale, String> titleMap = new HashMap<>(); titleMap.put(locale, title); Map<Locale, String> descriptionMap = new HashMap<>(); String ddmStructureKey = null; String ddmTemplateKey = null; String layoutUuid = null; Calendar cal = Calendar.getInstance(); cal.setTime(date); int displayDateMonth = cal.get(Calendar.MONTH); int displayDateDay = cal.get(Calendar.DAY_OF_MONTH); int displayDateYear = cal.get(Calendar.YEAR); int displayDateHour = cal.get(Calendar.HOUR_OF_DAY); int displayDateMinute = cal.get(Calendar.MINUTE); int expirationDateMonth = 0; int expirationDateDay = 0; int expirationDateYear = 0; int expirationDateHour = 0; int expirationDateMinute = 0; boolean neverExpire = true; int reviewDateMonth = 0; int reviewDateDay = 0; int reviewDateYear = 0; int reviewDateHour = 0; int reviewDateMinute = 0; boolean neverReview = true; boolean indexable = true; String articleURL = StringPool.BLANK; ServiceContext serviceContext = new ServiceContext(); serviceContext.setAddGroupPermissions(false); serviceContext.setAddGuestPermissions(false); serviceContext.setScopeGroupId(groupId); JournalArticle journalArticle = _journalArticleService.addArticle(groupId, folderId, classNameId, classPK, articleId, autoArticleId, titleMap, descriptionMap, content, ddmStructureKey, ddmTemplateKey, layoutUuid, displayDateMonth, displayDateDay, displayDateYear, displayDateHour, displayDateMinute, expirationDateMonth, expirationDateDay, expirationDateYear, expirationDateHour, expirationDateMinute, neverExpire, reviewDateMonth, reviewDateDay, reviewDateYear, reviewDateHour, reviewDateMinute, neverReview, indexable, articleURL, serviceContext); double version = journalArticle.getVersion(); int status = WorkflowConstants.STATUS_APPROVED; journalArticle = _journalArticleService.updateStatus(groupId, journalArticle.getArticleId(), version, status, articleURL, serviceContext); return journalArticle; } @Override protected void doPutEntry(JournalArticle journalArticle, String title, String summary, String content, Date date, AtomRequestContext atomRequestContext) throws Exception { long groupId = journalArticle.getGroupId(); long folderId = journalArticle.getFolderId(); String articleId = journalArticle.getArticleId(); double version = journalArticle.getVersion(); ServiceContext serviceContext = new ServiceContext(); serviceContext.setScopeGroupId(groupId); journalArticle = _journalArticleService.updateArticle(groupId, folderId, articleId, version, content, serviceContext); int status = WorkflowConstants.STATUS_APPROVED; String articleURL = StringPool.BLANK; _journalArticleService.updateStatus(groupId, journalArticle.getArticleId(), journalArticle.getVersion(), status, articleURL, serviceContext); } @Reference(unbind = "-") protected void setJournalArticleService(JournalArticleService journalArticleService) { _journalArticleService = journalArticleService; } private static final String _COLLECTION_NAME = "web-content"; private JournalArticleService _journalArticleService; }