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+/*
+ * 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();
+ }
+}