diff options
Diffstat (limited to 'branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java')
4 files changed, 0 insertions, 341 deletions
diff --git a/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java b/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java deleted file mode 100644 index 7b2edb2e6a..0000000000 --- a/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java +++ /dev/null @@ -1,199 +0,0 @@ -/* - * 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.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.OutputStreamWriter; -import java.util.ArrayList; -import java.util.Date; -import java.util.List; - -import org.apache.abdera.Abdera; -import org.apache.abdera.factory.Factory; -import org.apache.abdera.model.Document; -import org.apache.abdera.model.Entry; -import org.apache.abdera.model.Feed; -import org.apache.abdera.model.Person; -import org.apache.abdera.parser.Parser; -import org.apache.tuscany.sca.binding.atom.collection.Collection; -import org.apache.tuscany.sca.binding.atom.collection.NotFoundException; -import org.osoa.sca.annotations.Property; -import org.osoa.sca.annotations.Reference; - -import com.sun.syndication.feed.synd.SyndFeed; -import com.sun.syndication.io.SyndFeedOutput; - -/** - * Implementation of an SCA component that aggregates several - * Atom and RSS feeds. - * - * @version $Rev$ $Date$ - */ -public class AggregatorImpl implements org.apache.tuscany.sca.binding.atom.collection.Collection { - - @Reference(required = false) - public Collection atomFeed1; - @Reference(required = false) - public Collection atomFeed2; - - @Reference(required = false) - public org.apache.tuscany.sca.binding.rss.collection.Collection rssFeed1; - @Reference(required = false) - public org.apache.tuscany.sca.binding.rss.collection.Collection rssFeed2; - - @Reference(required = false) - public Sort sort; - - @Property - public String feedTitle = "Aggregated Feed"; - @Property - public String feedDescription = "Anonymous Aggregated Feed"; - @Property - public String feedAuthor = "anonymous"; - - public Feed getFeed() { - - // Create a new Feed - Factory factory = Abdera.getNewFactory(); - Feed feed = factory.newFeed(); - feed.setTitle(feedTitle); - feed.setSubtitle(feedDescription); - Person author = factory.newAuthor(); - author.setName(feedAuthor); - feed.addAuthor(author); - feed.addLink("http://tuscany.apache.org/", "alternate"); - - // Aggregate entries from atomFeed1, atomFeed2, rssFeed1 and rssFeed2 - List<Entry> entries = new ArrayList<Entry>(); - if (atomFeed1 != null) { - try { - entries.addAll(atomFeed1.getFeed().getEntries()); - } catch (Exception e) { - int x = 0; - } - } - if (atomFeed2 != null) { - try { - entries.addAll(atomFeed2.getFeed().getEntries()); - } catch (Exception e) { - int x = 0; - - } - } - if (rssFeed1 != null) { - try { - entries.addAll(atomFeed(rssFeed1.getFeed()).getEntries()); - } catch (Exception e) { - int x = 0; - - } - } - if (rssFeed2 != null) { - try { - entries.addAll(atomFeed(rssFeed2.getFeed()).getEntries()); - } catch (Exception e) { - int x = 0; - - } - } - - // Sort entries by updated date - if (sort != null) { - entries = sort.sort(entries); - } - - // Add the entries to the new feed - // Also synthesize a feed id and updated field base on entries - Date feedUpdated = new Date( 0 ); - for (Entry entry: entries) { - Date entryUpdated = entry.getUpdated(); - if (( entryUpdated != null ) && ( entryUpdated.compareTo( feedUpdated ) > 0 )) { - feedUpdated = entryUpdated; - } - feed.addEntry(entry); - } - feed.setUpdated( feedUpdated ); - // Note that feed id should be permanent, immutable, and unique - // in order to support proper ETag creation. - // Tough to do when the feed is regenerated with each get. - feed.setId( "http://tuscany.apache.org/feed", true ); - - return feed; - } - - public Feed query(String queryString) { - Factory factory = Abdera.getNewFactory(); - Feed feed = factory.newFeed(); - feed.setTitle(feedTitle); - feed.setSubtitle(feedDescription); - Person author = factory.newAuthor(); - author.setName(feedAuthor); - feed.addAuthor(author); - feed.addLink("http://tuscany.apache.org", "alternate"); - - Feed allFeed = getFeed(); - if (queryString.startsWith("title=")) { - String title = queryString.substring(6); - - for (Entry entry: allFeed.getEntries()) { - if (entry.getTitle().contains(title)) { - feed.addEntry(entry); - } - } - } - 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 void put(String id, Entry entry) throws NotFoundException { - } - - /** - * Convert a ROME feed to an Abdera feed. - * - * @param romeFeed - * @return - */ - private static Feed atomFeed(SyndFeed syndFeed) { - ByteArrayOutputStream bos = new ByteArrayOutputStream(); - - syndFeed.setFeedType("atom_1.0"); - SyndFeedOutput syndOutput = new SyndFeedOutput(); - try { - syndOutput.output(syndFeed, new OutputStreamWriter(bos)); - } catch (Exception e) { - throw new RuntimeException(e); - } - Parser parser = Abdera.getNewParser(); - Document<Feed> document = parser.parse(new ByteArrayInputStream(bos.toByteArray())); - - return document.getRoot(); - } -} diff --git a/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/feed/Sort.java b/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/feed/Sort.java deleted file mode 100644 index dec073c36b..0000000000 --- a/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/feed/Sort.java +++ /dev/null @@ -1,38 +0,0 @@ -/* - * 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.List; - -import org.apache.abdera.model.Entry; - -/** - * The Sort service business interface. - * - * @version $Rev$ $Date$ - */ -public interface Sort { - - /** - * Sort feed entries by published date. - * @param entries - * @return - */ - List<Entry> sort(List<Entry> entries); -} diff --git a/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/feed/SortImpl.java b/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/feed/SortImpl.java deleted file mode 100644 index f7ead126a7..0000000000 --- a/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/feed/SortImpl.java +++ /dev/null @@ -1,57 +0,0 @@ -/* - * 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.Arrays; -import java.util.Comparator; -import java.util.Date; -import java.util.List; - -import org.apache.abdera.model.Entry; -import org.osoa.sca.annotations.Property; - -/** - * Implementation of a Feed Sort service component. - * - * @version $Rev$ $Date$ - */ -public class SortImpl implements Sort { - - @Property - public boolean newFirst = true; - - @SuppressWarnings("unchecked") - public List<Entry> sort(List<Entry> entries) { - Entry[] entriesArray = new Entry[entries.size()]; - entriesArray = (Entry[])entries.toArray(entriesArray); - Arrays.sort(entriesArray, new Comparator() { - public int compare(final Object xObj, final Object yObj) { - Date xDate = ((Entry)xObj).getUpdated(); - Date yDate = ((Entry)yObj).getUpdated(); - if (xDate == null) - return -1; - if (newFirst) - return yDate.compareTo(xDate); - else - return xDate.compareTo(yDate); - } - }); - return Arrays.asList(entriesArray); - } -} diff --git a/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/launch/LaunchFeedServer.java b/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/launch/LaunchFeedServer.java deleted file mode 100644 index 1c549f7cd2..0000000000 --- a/branches/sca-java-1.5.1/samples/feed-aggregator/src/main/java/launch/LaunchFeedServer.java +++ /dev/null @@ -1,47 +0,0 @@ -/* - * 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 launch; - -import java.io.IOException; - -import org.apache.tuscany.sca.host.embedded.SCADomain; - -public class LaunchFeedServer { - public static void main(String[] args) throws Exception { - SCADomain scaDomain = SCADomain.newInstance("FeedAggregator.composite"); - - try { - System.out.println("Sample Feed server started (press enter to shutdown)"); - System.out.println(); - System.out.println("To read the aggregated feeds, point your Web browser to the following addresses:"); - System.out.println("http://localhost:8083/atomAggregator"); - System.out.println("http://localhost:8083/atomAggregator/atomsvc (for the Atom service document)"); - System.out.println("http://localhost:8083/rssAggregator"); - System.out.println(); - System.in.read(); - } catch (IOException e) { - e.printStackTrace(); - } - - - scaDomain.close(); - System.out.println("Sample Feed server stopped"); - } -} |