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Main ACS AEM Commons OSGi Bundle. Includes commons utilities.
/*
* ACS AEM Commons
*
* Copyright (C) 2013 - 2023 Adobe
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.adobe.acs.commons.twitter.impl;
import com.adobe.acs.commons.cqsearch.QueryUtil;
import com.day.cq.replication.ReplicationActionType;
import com.day.cq.replication.ReplicationException;
import com.day.cq.replication.Replicator;
import com.day.cq.search.PredicateGroup;
import com.day.cq.search.Query;
import com.day.cq.search.QueryBuilder;
import com.day.cq.search.result.SearchResult;
import com.day.cq.wcm.api.Page;
import com.day.cq.wcm.api.PageManager;
import org.apache.commons.lang.StringUtils;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.PropertyUnbounded;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.ModifiableValueMap;
import org.apache.sling.api.resource.PersistenceException;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.commons.osgi.PropertiesUtil;
import org.osgi.service.component.ComponentContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import twitter4j.Status;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.URLEntity;
import twitter4j.json.DataObjectFactory;
import javax.jcr.Session;
import java.util.ArrayList;
import java.util.Dictionary;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
@Component(label = "ACS AEM Commons - Twitter Feed Update Service",
metatype = true, description = "Service to update Twitter Feed components.")
@Service
public final class TwitterFeedUpdaterImpl implements TwitterFeedUpdater {
private static final Logger log = LoggerFactory.getLogger(TwitterFeedUpdaterImpl.class);
@Reference
private Replicator replicator;
@Reference
private QueryBuilder queryBuilder;
@Property(value = "acs-commons/components/content/twitter-feed", unbounded = PropertyUnbounded.ARRAY,
label = "Twitter Feed component paths", description = "Component paths for Twitter Feed components.")
private static final String TWITTER_COMPONENT_PATHS = "twitter.component.paths";
private String[] twitterComponentPaths = null;
protected void activate(ComponentContext ctx) {
final Dictionary props = ctx.getProperties();
twitterComponentPaths = PropertiesUtil.toStringArray(props.get(TWITTER_COMPONENT_PATHS));
}
@Override
@SuppressWarnings("squid:S3776")
public void updateTwitterFeedComponents(ResourceResolver resourceResolver) {
PageManager pageManager = resourceResolver.adaptTo(PageManager.class);
List twitterResources = findTwitterResources(resourceResolver);
for (Resource twitterResource : twitterResources) {
Page page = pageManager.getContainingPage(twitterResource);
if (page != null) {
Twitter client = page.adaptTo(Twitter.class);
if (client != null) {
try {
ValueMap properties = twitterResource.getValueMap();
String username = properties.get("username", String.class);
if (!StringUtils.isEmpty(username)) {
log.info("Loading Twitter timeline for user {} for component {}.", username,
twitterResource.getPath());
List statuses = client.getUserTimeline(username);
if (statuses != null) {
List tweetsList = new ArrayList<>(statuses.size());
List jsonList = new ArrayList<>(statuses.size());
for (Status status : statuses) {
tweetsList.add(processTweet(status));
jsonList.add(DataObjectFactory.getRawJSON(status));
}
if (!tweetsList.isEmpty()) {
ModifiableValueMap map = twitterResource.adaptTo(ModifiableValueMap.class);
map.put("tweets", tweetsList.toArray(new String[tweetsList.size()]));
map.put("tweetsJson", jsonList.toArray(new String[jsonList.size()]));
twitterResource.getResourceResolver().commit();
handleReplication(twitterResource);
}
}
}
} catch (PersistenceException e) {
log.error("Exception while updating twitter feed on resource:" + twitterResource.getPath(), e);
} catch (ReplicationException e) {
log.error("Exception while replicating twitter feed on resource:" + twitterResource.getPath(),
e);
} catch (TwitterException e) {
log.error("Exception while loading twitter feed on resource:" + twitterResource.getPath(),
e);
}
} else {
log.warn("Twitter component found on {}, but page cannot be adapted to Twitter API. Check Cloud SErvice configuration", page.getPath());
}
}
}
}
private List findTwitterResources(ResourceResolver resourceResolver) {
List twitterResources = new ArrayList<>();
Map predicateMap = new HashMap<>();
predicateMap.put("path", "/content");
predicateMap.put("property", "sling:resourceType");
int counter = 1;
for (String path : twitterComponentPaths) {
predicateMap.put("property." + (counter++) + "_value", path);
}
predicateMap.put("p.limit", "-1");
Query query = queryBuilder.createQuery(PredicateGroup.create(predicateMap), resourceResolver.adaptTo(Session.class));
QueryUtil.setResourceResolverOn(resourceResolver, query);
SearchResult result = query.getResult();
Iterator resources = result.getResources();
while (resources.hasNext()) {
twitterResources.add(resourceResolver.getResource(resources.next().getPath()));
}
return twitterResources;
}
private String processTweet(Status status) {
String tweet = status.getText();
for (URLEntity entity : status.getURLEntities()) {
String url = String.format("%s", entity.getURL(), entity.getURL());
tweet = tweet.replace(entity.getURL(), url);
}
return tweet;
}
private void handleReplication(Resource twitterResource) throws ReplicationException {
if (isReplicationEnabled(twitterResource)) {
Session session = twitterResource.getResourceResolver().adaptTo(Session.class);
replicator.replicate(session, ReplicationActionType.ACTIVATE, twitterResource.getPath());
}
}
private boolean isReplicationEnabled(Resource twitterResource) {
ValueMap properties = twitterResource.getValueMap();
return properties.get("replicate", false);
}
}
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