/*
* 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 com.tuscanyscatours.feedlogger.impl;
import java.util.List;
import org.apache.abdera.model.Entry;
import org.apache.abdera.model.Feed;
import org.osoa.sca.annotations.Reference;
import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndFeed;
import com.tuscanyscatours.feedlogger.FeedLogger;
public class FeedLoggerImpl implements FeedLogger {
/**
* Reference to the SCA Tours Blog Atom feed.
*/
@Reference
public org.apache.tuscany.sca.binding.atom.collection.Collection scaToursBlogAtom;
/**
* Reference to the SCA Tours Blog RSS feed.
*/
@Reference
public org.apache.tuscany.sca.binding.rss.collection.Collection scaToursBlogRSS;
/**
* Reference to the BBC News RSS feed.
*/
@Reference
public org.apache.tuscany.sca.binding.rss.collection.Collection bbcNews;
/**
* {@inheritDoc}
*/
public void logFeeds(int maxEntriesPerFeed) {
System.out.println("Logging SCA Tours Blog Atom feed:");
logAtomFeed(scaToursBlogAtom, maxEntriesPerFeed);
System.out.println("Logging SCA Tours Blog RSS feed:");
logRSSFeed(scaToursBlogRSS, maxEntriesPerFeed);
System.out.println("Logging BBC News feed:");
logRSSFeed(bbcNews, maxEntriesPerFeed);
}
/**
* Logs up to maxEntries entries from the specified feed.
*
* @param maxEntries The maximum number of entries to log per feed
*/
private void logAtomFeed(org.apache.tuscany.sca.binding.atom.collection.Collection atomFeed, int maxEntries) {
final Feed feed = atomFeed.getFeed();
System.out.println("Feed: " + feed.getTitle());
final List<Entry> entries = feed.getEntries();
for (int i = 0; i < entries.size() && i < maxEntries; i++) {
Entry entry = entries.get(i);
System.out.println("Entry: " + entry.getTitle());
}
System.out.println();
}
/**
* Logs up to maxEntries entries from the specified feed.
*
* @param maxEntries The maximum number of entries to log
*/
private void logRSSFeed(org.apache.tuscany.sca.binding.rss.collection.Collection rssFeed, int maxEntries) {
SyndFeed feed = rssFeed.getFeed();
System.out.println("Feed: " + feed.getTitle());
List<SyndEntry> entries = feed.getEntries();
for (int i = 0; i < entries.size() && i < maxEntries; i++) {
SyndEntry entry = entries.get(i);
System.out.println("Entry: " + entry.getTitle());
}
System.out.println();
}
}