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com.liferay.journal.web.util.JournalRSSUtil Maven / Gradle / Ivy
/**
* 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.web.util;
import com.liferay.document.library.kernel.model.DLFolderConstants;
import com.liferay.document.library.kernel.service.DLAppLocalService;
import com.liferay.document.library.kernel.util.ImageProcessorUtil;
import com.liferay.journal.exception.NoSuchFeedException;
import com.liferay.journal.model.JournalArticle;
import com.liferay.journal.model.JournalArticleConstants;
import com.liferay.journal.model.JournalArticleDisplay;
import com.liferay.journal.model.JournalFeed;
import com.liferay.journal.model.JournalFeedConstants;
import com.liferay.journal.service.JournalArticleLocalService;
import com.liferay.journal.service.JournalContentSearchLocalService;
import com.liferay.journal.service.JournalFeedLocalService;
import com.liferay.journal.util.JournalContent;
import com.liferay.journal.util.comparator.ArticleDisplayDateComparator;
import com.liferay.journal.util.comparator.ArticleModifiedDateComparator;
import com.liferay.petra.string.CharPool;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.model.Image;
import com.liferay.portal.kernel.model.Layout;
import com.liferay.portal.kernel.portlet.PortletRequestModel;
import com.liferay.portal.kernel.portlet.PortletURLFactoryUtil;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.service.ImageLocalService;
import com.liferay.portal.kernel.service.LayoutLocalService;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.HtmlUtil;
import com.liferay.portal.kernel.util.HttpUtil;
import com.liferay.portal.kernel.util.MimeTypesUtil;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.liferay.portal.kernel.xml.Document;
import com.liferay.portal.kernel.xml.Element;
import com.liferay.portal.kernel.xml.Node;
import com.liferay.portal.kernel.xml.SAXReaderUtil;
import com.liferay.portal.kernel.xml.XPath;
import com.liferay.rss.util.RSSUtil;
import com.sun.syndication.feed.synd.SyndContent;
import com.sun.syndication.feed.synd.SyndContentImpl;
import com.sun.syndication.feed.synd.SyndEnclosure;
import com.sun.syndication.feed.synd.SyndEnclosureImpl;
import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndEntryImpl;
import com.sun.syndication.feed.synd.SyndFeed;
import com.sun.syndication.feed.synd.SyndFeedImpl;
import com.sun.syndication.feed.synd.SyndLink;
import com.sun.syndication.feed.synd.SyndLinkImpl;
import com.sun.syndication.io.FeedException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.portlet.PortletRequest;
import javax.portlet.PortletURL;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;
import javax.portlet.ResourceURL;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
/**
* @author Raymond Augé
*/
@Component(service = JournalRSSUtil.class)
public class JournalRSSUtil {
public List getArticles(JournalFeed feed) {
long companyId = feed.getCompanyId();
long groupId = feed.getGroupId();
List folderIds = Collections.emptyList();
String articleId = null;
Double version = null;
String title = null;
String description = null;
String content = null;
String ddmStructureKey = feed.getDDMStructureKey();
if (Validator.isNull(ddmStructureKey)) {
ddmStructureKey = null;
}
String ddmTemplateKey = feed.getDDMTemplateKey();
if (Validator.isNull(ddmTemplateKey)) {
ddmTemplateKey = null;
}
Date displayDateGT = null;
Date displayDateLT = new Date();
int status = WorkflowConstants.STATUS_APPROVED;
Date reviewDate = null;
boolean andOperator = true;
int start = 0;
int end = feed.getDelta();
String orderByCol = feed.getOrderByCol();
String orderByType = feed.getOrderByType();
boolean orderByAsc = orderByType.equals("asc");
OrderByComparator obc =
new ArticleModifiedDateComparator(orderByAsc);
if (orderByCol.equals("display-date")) {
obc = new ArticleDisplayDateComparator(orderByAsc);
}
return _journalArticleLocalService.search(
companyId, groupId, folderIds,
JournalArticleConstants.CLASSNAME_ID_DEFAULT, articleId, version,
title, description, content, ddmStructureKey, ddmTemplateKey,
displayDateGT, displayDateLT, status, reviewDate, andOperator,
start, end, obc);
}
public List getDLEnclosures(String portalURL, String url) {
List syndEnclosures = new ArrayList<>();
FileEntry fileEntry = getFileEntry(url);
if (fileEntry == null) {
return syndEnclosures;
}
SyndEnclosure syndEnclosure = new SyndEnclosureImpl();
syndEnclosure.setLength(fileEntry.getSize());
syndEnclosure.setType(fileEntry.getMimeType());
syndEnclosure.setUrl(portalURL + url);
syndEnclosures.add(syndEnclosure);
return syndEnclosures;
}
public List getDLLinks(String portalURL, String url) {
List syndLinks = new ArrayList<>();
FileEntry fileEntry = getFileEntry(url);
if (fileEntry == null) {
return syndLinks;
}
SyndLink syndLink = new SyndLinkImpl();
syndLink.setHref(portalURL + url);
syndLink.setLength(fileEntry.getSize());
syndLink.setRel("enclosure");
syndLink.setType(fileEntry.getMimeType());
syndLinks.add(syndLink);
return syndLinks;
}
public FileEntry getFileEntry(String url) {
FileEntry fileEntry = null;
String queryString = _httpUtil.getQueryString(url);
Map parameters = _httpUtil.parameterMapFromString(
queryString);
if (url.startsWith("/documents/")) {
String[] pathArray = StringUtil.split(url, CharPool.SLASH);
String uuid = null;
long groupId = GetterUtil.getLong(pathArray[2]);
long folderId = DLFolderConstants.DEFAULT_PARENT_FOLDER_ID;
String title = null;
if (pathArray.length == 4) {
uuid = pathArray[3];
}
else if (pathArray.length == 5) {
folderId = GetterUtil.getLong(pathArray[3]);
title = _httpUtil.decodeURL(pathArray[4]);
}
else if (pathArray.length > 5) {
uuid = pathArray[5];
}
try {
if (Validator.isNotNull(uuid)) {
fileEntry = _dlAppLocalService.getFileEntryByUuidAndGroupId(
uuid, groupId);
}
else {
fileEntry = _dlAppLocalService.getFileEntry(
groupId, folderId, title);
}
}
catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn(e, e);
}
}
}
else if (parameters.containsKey("folderId") &&
parameters.containsKey("name")) {
try {
long fileEntryId = GetterUtil.getLong(
parameters.get("fileEntryId")[0]);
fileEntry = _dlAppLocalService.getFileEntry(fileEntryId);
}
catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn(e, e);
}
}
}
else if (parameters.containsKey("uuid") &&
parameters.containsKey("groupId")) {
try {
String uuid = parameters.get("uuid")[0];
long groupId = GetterUtil.getLong(parameters.get("groupId")[0]);
fileEntry = _dlAppLocalService.getFileEntryByUuidAndGroupId(
uuid, groupId);
}
catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn(e, e);
}
}
}
return fileEntry;
}
public List getIGEnclosures(String portalURL, String url) {
List syndEnclosures = new ArrayList<>();
Object[] imageProperties = getImageProperties(url);
if (imageProperties == null) {
return syndEnclosures;
}
SyndEnclosure syndEnclosure = new SyndEnclosureImpl();
syndEnclosure.setLength((Long)imageProperties[1]);
syndEnclosure.setType(
MimeTypesUtil.getExtensionContentType(
imageProperties[0].toString()));
syndEnclosure.setUrl(portalURL + url);
syndEnclosures.add(syndEnclosure);
return syndEnclosures;
}
public List getIGLinks(String portalURL, String url) {
List syndLinks = new ArrayList<>();
Object[] imageProperties = getImageProperties(url);
if (imageProperties == null) {
return syndLinks;
}
SyndLink syndLink = new SyndLinkImpl();
syndLink.setHref(portalURL + url);
syndLink.setLength((Long)imageProperties[1]);
syndLink.setRel("enclosure");
syndLink.setType(
MimeTypesUtil.getExtensionContentType(
imageProperties[0].toString()));
syndLinks.add(syndLink);
return syndLinks;
}
public Image getImage(String url) {
Image image = null;
String queryString = _httpUtil.getQueryString(url);
Map parameters = _httpUtil.parameterMapFromString(
queryString);
if (parameters.containsKey("image_id") ||
parameters.containsKey("img_id") ||
parameters.containsKey("i_id")) {
try {
long imageId = 0;
if (parameters.containsKey("image_id")) {
imageId = GetterUtil.getLong(parameters.get("image_id")[0]);
}
else if (parameters.containsKey("img_id")) {
imageId = GetterUtil.getLong(parameters.get("img_id")[0]);
}
else if (parameters.containsKey("i_id")) {
imageId = GetterUtil.getLong(parameters.get("i_id")[0]);
}
image = _imageLocalService.getImage(imageId);
}
catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn(e, e);
}
}
}
return image;
}
public byte[] getRSS(
ResourceRequest resourceRequest, ResourceResponse resourceResponse)
throws Exception {
ThemeDisplay themeDisplay = (ThemeDisplay)resourceRequest.getAttribute(
WebKeys.THEME_DISPLAY);
JournalFeed feed = null;
long id = ParamUtil.getLong(resourceRequest, "id");
if (id > 0) {
try {
feed = _journalFeedLocalService.getFeed(id);
}
catch (NoSuchFeedException nsfe) {
// Backward compatibility with old URLs
feed = _journalFeedLocalService.getFeed(
themeDisplay.getScopeGroupId(), String.valueOf(id));
}
}
else {
long groupId = ParamUtil.getLong(resourceRequest, "groupId");
String feedId = ParamUtil.getString(resourceRequest, "feedId");
feed = _journalFeedLocalService.getFeed(groupId, feedId);
}
String languageId = LanguageUtil.getLanguageId(resourceRequest);
long plid = _portal.getPlidFromFriendlyURL(
themeDisplay.getCompanyId(), feed.getTargetLayoutFriendlyUrl());
Layout layout = null;
if (plid > 0) {
layout = _layoutLocalService.fetchLayout(plid);
}
if (layout == null) {
layout = themeDisplay.getLayout();
}
String rss = exportToRSS(
resourceRequest, resourceResponse, feed, languageId, layout,
themeDisplay);
return rss.getBytes(StringPool.UTF8);
}
protected String exportToRSS(
ResourceRequest resourceRequest, ResourceResponse resourceResponse,
JournalFeed feed, String languageId, Layout layout,
ThemeDisplay themeDisplay)
throws Exception {
SyndFeed syndFeed = new SyndFeedImpl();
syndFeed.setDescription(feed.getDescription());
List syndEntries = new ArrayList<>();
syndFeed.setEntries(syndEntries);
List articles = getArticles(feed);
if (_log.isDebugEnabled()) {
_log.debug("Syndicating " + articles.size() + " articles");
}
for (JournalArticle article : articles) {
SyndEntry syndEntry = new SyndEntryImpl();
String author = _portal.getUserName(article);
syndEntry.setAuthor(author);
SyndContent syndContent = new SyndContentImpl();
syndContent.setType(RSSUtil.ENTRY_TYPE_DEFAULT);
String value = article.getDescription(languageId);
try {
value = processContent(
resourceRequest, resourceResponse, feed, article,
languageId, themeDisplay, syndEntry, syndContent);
}
catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn(e, e);
}
}
syndContent.setValue(value);
syndEntry.setDescription(syndContent);
String link = getEntryURL(
resourceRequest, feed, article, layout, themeDisplay);
syndEntry.setLink(link);
syndEntry.setPublishedDate(article.getDisplayDate());
syndEntry.setTitle(article.getTitle(languageId));
syndEntry.setUpdatedDate(article.getModifiedDate());
syndEntry.setUri(link);
syndEntries.add(syndEntry);
}
syndFeed.setFeedType(
feed.getFeedFormat() + "_" + feed.getFeedVersion());
SyndLink selfSyndLink = new SyndLinkImpl();
ResourceURL feedURL = resourceResponse.createResourceURL();
feedURL.setCacheability(ResourceURL.FULL);
feedURL.setParameter("groupId", String.valueOf(feed.getGroupId()));
feedURL.setParameter("feedId", String.valueOf(feed.getFeedId()));
feedURL.setResourceID("rss");
selfSyndLink.setHref(feedURL.toString());
selfSyndLink.setRel("self");
List syndLinks = new ArrayList<>();
syndLinks.add(selfSyndLink);
syndFeed.setLinks(syndLinks);
syndFeed.setPublishedDate(new Date());
syndFeed.setTitle(feed.getName());
syndFeed.setUri(feedURL.toString());
try {
return RSSUtil.export(syndFeed);
}
catch (FeedException fe) {
throw new SystemException(fe);
}
}
protected String getEntryURL(
ResourceRequest resourceRequest, JournalFeed feed,
JournalArticle article, Layout layout, ThemeDisplay themeDisplay)
throws Exception {
List hitLayoutIds =
_journalContentSearchLocalService.getLayoutIds(
layout.getGroupId(), layout.isPrivateLayout(),
article.getArticleId());
if (!hitLayoutIds.isEmpty()) {
Long hitLayoutId = hitLayoutIds.get(0);
Layout hitLayout = _layoutLocalService.getLayout(
layout.getGroupId(), layout.isPrivateLayout(),
hitLayoutId.longValue());
return _portal.getLayoutFriendlyURL(hitLayout, themeDisplay);
}
String portletId = feed.getTargetPortletId();
if (Validator.isNull(portletId)) {
return StringPool.BLANK;
}
long plid = _portal.getPlidFromFriendlyURL(
feed.getCompanyId(), feed.getTargetLayoutFriendlyUrl());
PortletURL entryURL = PortletURLFactoryUtil.create(
resourceRequest, portletId, plid, PortletRequest.RENDER_PHASE);
entryURL.setParameter("groupId", String.valueOf(article.getGroupId()));
entryURL.setParameter("articleId", article.getArticleId());
return entryURL.toString();
}
protected Object[] getImageProperties(String url) {
String type = null;
long size = 0;
Image image = getImage(url);
if (image != null) {
type = image.getType();
size = image.getSize();
}
else {
FileEntry fileEntry = getFileEntry(url);
Set imageMimeTypes = ImageProcessorUtil.getImageMimeTypes();
if ((fileEntry != null) &&
imageMimeTypes.contains(fileEntry.getMimeType())) {
type = fileEntry.getExtension();
size = fileEntry.getSize();
}
}
if (Validator.isNotNull(type)) {
return new Object[] {type, size};
}
return null;
}
/**
* @deprecated As of Judson (7.1.x), replaced by {@link
* #processContent(ResourceRequest, ResourceResponse,
* JournalFeed, JournalArticle, String, ThemeDisplay, SyndEntry,
* SyndContent)}
*/
@Deprecated
protected String processContent(
JournalFeed feed, JournalArticle article, String languageId,
ThemeDisplay themeDisplay, SyndEntry syndEntry,
SyndContent syndContent)
throws Exception {
return StringPool.BLANK;
}
protected String processContent(
ResourceRequest resourceRequest, ResourceResponse resourceResponse,
JournalFeed feed, JournalArticle article, String languageId,
ThemeDisplay themeDisplay, SyndEntry syndEntry,
SyndContent syndContent)
throws Exception {
String content = article.getDescription(languageId);
String contentField = feed.getContentField();
if (contentField.equals(JournalFeedConstants.RENDERED_WEB_CONTENT)) {
String ddmRendererTemplateKey = article.getDDMTemplateKey();
if (Validator.isNotNull(feed.getDDMRendererTemplateKey())) {
ddmRendererTemplateKey = feed.getDDMRendererTemplateKey();
}
JournalArticleDisplay articleDisplay = _journalContent.getDisplay(
feed.getGroupId(), article.getArticleId(),
ddmRendererTemplateKey, null, languageId, 1,
new PortletRequestModel(resourceRequest, resourceResponse) {
@Override
public String toXML() {
return _XML_REQUUEST;
}
},
themeDisplay);
if (articleDisplay != null) {
content = articleDisplay.getContent();
}
}
else if (!contentField.equals(
JournalFeedConstants.WEB_CONTENT_DESCRIPTION)) {
Document document = SAXReaderUtil.read(
article.getContentByLocale(languageId));
contentField = HtmlUtil.escapeXPathAttribute(contentField);
XPath xPathSelector = SAXReaderUtil.createXPath(
"//dynamic-element[@name=" + contentField + "]");
List results = xPathSelector.selectNodes(document);
if (results.isEmpty()) {
return content;
}
Element element = (Element)results.get(0);
String elType = element.attributeValue("type");
if (elType.equals("document_library")) {
String url = element.elementText("dynamic-content");
url = processURL(feed, url, themeDisplay, syndEntry);
}
else if (elType.equals("image") || elType.equals("image_gallery")) {
String url = element.elementText("dynamic-content");
url = processURL(feed, url, themeDisplay, syndEntry);
content = StringBundler.concat(
content, " syndEnclosures = getDLEnclosures(
themeDisplay.getURLPortal(), url);
syndEnclosures.addAll(
getIGEnclosures(themeDisplay.getURLPortal(), url));
syndEntry.setEnclosures(syndEnclosures);
List syndLinks = getDLLinks(themeDisplay.getURLPortal(), url);
syndLinks.addAll(getIGLinks(themeDisplay.getURLPortal(), url));
syndEntry.setLinks(syndLinks);
return url;
}
@Reference(unbind = "-")
protected void setDLAppLocalService(DLAppLocalService dlAppLocalService) {
_dlAppLocalService = dlAppLocalService;
}
@Reference(unbind = "-")
protected void setImageLocalService(ImageLocalService imageLocalService) {
_imageLocalService = imageLocalService;
}
@Reference(unbind = "-")
protected void setJournalArticleLocalService(
JournalArticleLocalService journalArticleLocalService) {
_journalArticleLocalService = journalArticleLocalService;
}
@Reference(unbind = "-")
protected void setJournalContent(JournalContent journalContent) {
_journalContent = journalContent;
}
@Reference(unbind = "-")
protected void setJournalContentSearchLocalService(
JournalContentSearchLocalService journalContentSearchLocalService) {
_journalContentSearchLocalService = journalContentSearchLocalService;
}
@Reference(unbind = "-")
protected void setJournalFeedLocalService(
JournalFeedLocalService journalFeedLocalService) {
_journalFeedLocalService = journalFeedLocalService;
}
@Reference(unbind = "-")
protected void setLayoutLocalService(
LayoutLocalService layoutLocalService) {
_layoutLocalService = layoutLocalService;
}
private static final String _XML_REQUUEST =
"rss true " +
"
![](",
themeDisplay.getURLPortal(), url, ")
");
}
else if (elType.equals("text_box")) {
syndContent.setType("text");
content = element.elementText("dynamic-content");
}
else {
content = element.elementText("dynamic-content");
}
}
return content;
}
protected String processURL(
JournalFeed feed, String url, ThemeDisplay themeDisplay,
SyndEntry syndEntry) {
url = StringUtil.replace(
url, new String[] {"@group_id@", "@image_path@", "@main_path@"},
new String[] {
String.valueOf(feed.getGroupId()), themeDisplay.getPathImage(),
themeDisplay.getPathMain()
});
List