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Diffstat (limited to 'sca-java-1.x/branches/sca-java-0.99/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java')
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1 files changed, 100 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-0.99/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java b/sca-java-1.x/branches/sca-java-0.99/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java new file mode 100644 index 0000000000..6d15b5426b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.99/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java @@ -0,0 +1,100 @@ +/* + * 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 feed; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import org.apache.tuscany.sca.binding.feed.collection.NotFoundException; +import org.osoa.sca.annotations.Property; +import org.osoa.sca.annotations.Reference; + +import com.sun.syndication.feed.atom.Content; +import com.sun.syndication.feed.atom.Entry; +import com.sun.syndication.feed.atom.Link; +import com.sun.syndication.feed.atom.Person; + +/** + * Implementation of an SCA component that aggregates several + * Atom and RSS feeds. + * + * @version $Rev$ $Date$ + */ +public class AggregatorImpl implements org.apache.tuscany.sca.binding.feed.collection.Collection { + + @Reference + public org.apache.tuscany.sca.binding.feed.collection.Collection feed1; + @Reference + public org.apache.tuscany.sca.binding.feed.collection.Collection feed2; + @Reference(required = false) + public Sort sort; + + @Property + public String feedTitle = "Aggregated Feed"; + @Property + public String feedDescription = "Anonymous Aggregated Feed"; + @Property + public String feedAuthor = "anonymous"; + + @SuppressWarnings("unchecked") + public com.sun.syndication.feed.atom.Feed getFeed() { + + // Create a new Feed + com.sun.syndication.feed.atom.Feed feed = new com.sun.syndication.feed.atom.Feed(); + feed.setTitle(feedTitle); + Content subtitle = new Content(); + subtitle.setValue(feedDescription); + feed.setSubtitle(subtitle); + Person author = new Person(); + author.setName(feedAuthor); + feed.setAuthors(Collections.singletonList(author)); + Link link = new Link(); + link.setHref("http://incubator.apache.org/tuscany"); + feed.getAlternateLinks().add(link); + + // Aggregate entries from feed1 and feed2 + List<Entry> entries = new ArrayList<Entry>(); + entries.addAll(feed1.getFeed().getEntries()); + entries.addAll(feed2.getFeed().getEntries()); + + // Sort entries by published date + if (sort != null) + feed.setEntries(sort.sort(entries)); + else + feed.setEntries(entries); + return feed; + } + + public void delete(String id) throws NotFoundException { + } + + public Entry get(String id) throws NotFoundException { + return null; + } + + public Entry post(Entry entry) { + return null; + } + + public Entry put(String id, Entry entry) throws NotFoundException { + return null; + } + +} |