/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.camel.component.twitter.consumer.search;
import java.util.Collections;
import java.util.List;
import org.apache.camel.component.twitter.TwitterEndpoint;
import org.apache.camel.component.twitter.consumer.Twitter4JConsumer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import twitter4j.Query;
import twitter4j.QueryResult;
import twitter4j.Tweet;
import twitter4j.TwitterException;
/**
* Consumes search requests
*/
public class SearchConsumer extends Twitter4JConsumer {
private static final transient Logger LOG = LoggerFactory.getLogger(SearchConsumer.class);
public SearchConsumer(TwitterEndpoint te) {
super(te);
}
public List<Tweet> pollConsume() throws TwitterException {
String keywords = te.getProperties().getKeywords();
Query query = new Query(keywords);
if (te.getProperties().isFilterOld()) {
query.setSinceId(lastId);
}
LOG.debug("Searching twitter with keywords: {}", keywords);
return search(query);
}
public List<Tweet> directConsume() throws TwitterException {
String keywords = te.getProperties().getKeywords();
if (keywords == null || keywords.trim().length() == 0) {
return Collections.emptyList();
}
LOG.debug("Searching twitter with keywords: {}", keywords);
return search(new Query(keywords));
}
private List<Tweet> search(Query query) throws TwitterException {
QueryResult qr = te.getProperties().getTwitter().search(query);
List<Tweet> tweets = qr.getTweets();
if (te.getProperties().isFilterOld()) {
for (Tweet t : tweets) {
checkLastId(t.getId());
}
}
return tweets;
}
}