org.apache.camel.component.rss.RssEntryPollingConsumer Maven / Gradle / Ivy
/*
* 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.rss;
import com.rometools.rome.feed.synd.SyndFeed;
import org.apache.camel.Processor;
import org.apache.camel.component.feed.FeedEntryPollingConsumer;
/**
* Consumer to poll RSS feeds and return each entry from the feed step by step.
*/
public class RssEntryPollingConsumer extends FeedEntryPollingConsumer {
public RssEntryPollingConsumer(RssEndpoint endpoint, Processor processor, boolean throttleEntries) {
super(endpoint, processor, throttleEntries);
}
@Override
protected void populateList(Object feed) {
if (list == null) {
list = ((SyndFeed) feed).getEntries();
if (endpoint.isSortEntries()) {
sortEntries();
}
entryIndex = list.size() - 1;
}
}
@SuppressWarnings("unchecked")
protected void sortEntries() {
list.sort(new RssDateComparator());
}
@Override
protected Object createFeed() throws Exception {
return RssUtils.createFeed(endpoint.getFeedUri(), RssEntryPollingConsumer.class.getClassLoader());
}
@Override
protected void resetList() {
list = null;
}
}