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-rw-r--r--branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/AggregatorImpl.java178
-rw-r--r--branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/Sort.java38
-rw-r--r--branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/SortImpl.java57
-rw-r--r--branches/sca-android/samples/feed-aggregator-webapp/src/main/resources/FeedAggregator.composite60
-rw-r--r--branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/META-INF/sca-contribution.xml26
-rw-r--r--branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/WEB-INF/web.xml41
-rw-r--r--branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/index.html32
7 files changed, 432 insertions, 0 deletions
diff --git a/branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/AggregatorImpl.java b/branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/AggregatorImpl.java
new file mode 100644
index 0000000000..d4adf03851
--- /dev/null
+++ b/branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/AggregatorImpl.java
@@ -0,0 +1,178 @@
+/*
+ * 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.Iterator;
+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.feed.synd.SyndFeedImpl;
+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) {}
+ }
+ if (atomFeed2 != null) {
+ try {
+ entries.addAll(atomFeed2.getFeed().getEntries());
+ } catch (Exception e) {}
+ }
+ if (rssFeed1 != null) {
+ try {
+ entries.addAll(atomFeed(rssFeed1.getFeed()).getEntries());
+ } catch (Exception e) {}
+ }
+ if (rssFeed2 != null) {
+ try {
+ entries.addAll(atomFeed(rssFeed2.getFeed()).getEntries());
+ } catch (Exception e) {}
+ }
+
+ // Sort entries by published date
+ if (sort != null) {
+ entries = sort.sort(entries);
+ }
+
+ // Add the entries to the new feed
+ for (Entry entry: entries) {
+ feed.addEntry(entry);
+ }
+
+ 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-android/samples/feed-aggregator-webapp/src/main/java/feed/Sort.java b/branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/Sort.java
new file mode 100644
index 0000000000..dec073c36b
--- /dev/null
+++ b/branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/Sort.java
@@ -0,0 +1,38 @@
+/*
+ * 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-android/samples/feed-aggregator-webapp/src/main/java/feed/SortImpl.java b/branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/SortImpl.java
new file mode 100644
index 0000000000..f7ead126a7
--- /dev/null
+++ b/branches/sca-android/samples/feed-aggregator-webapp/src/main/java/feed/SortImpl.java
@@ -0,0 +1,57 @@
+/*
+ * 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-android/samples/feed-aggregator-webapp/src/main/resources/FeedAggregator.composite b/branches/sca-android/samples/feed-aggregator-webapp/src/main/resources/FeedAggregator.composite
new file mode 100644
index 0000000000..736563098f
--- /dev/null
+++ b/branches/sca-android/samples/feed-aggregator-webapp/src/main/resources/FeedAggregator.composite
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+ xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.0"
+ targetNamespace="http://aggregator"
+ name="FeedAggregator">
+
+ <service name="rssSample" promote="RssAggregator">
+ <tuscany:binding.atom uri="http://localhost:8083/rssAggregator"/>
+ </service>
+ <service name="atomSample" promote="AtomAggregator">
+ <tuscany:binding.atom uri="http://localhost:8083/atomAggregator"/>
+ </service>
+
+ <component name="RssAggregator">
+ <implementation.java class="feed.AggregatorImpl"/>
+ <reference name="rssFeed1">
+ <tuscany:binding.rss uri="http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/world/rss.xml"/>
+ </reference>
+ <reference name="rssFeed2">
+ <tuscany:binding.rss uri="http://www.engadget.com/rss.xml"/>
+ </reference>
+ <reference name="sort" target="Sort"/>
+ <property name="feedTitle">RSS Aggregator Sample</property>
+ </component>
+ <component name="Sort">
+ <implementation.java class="feed.SortImpl"/>
+ <property name="newFirst">true</property>
+ </component>
+
+ <component name="AtomAggregator">
+ <implementation.java class="feed.AggregatorImpl"/>
+ <reference name="sort" target="Sort"/>
+ <reference name="atomFeed1">
+ <tuscany:binding.atom uri="http://www.oreillynet.com/pub/feed/35"/>
+ </reference>
+ <reference name="atomFeed2">
+ <tuscany:binding.atom uri="http://feeds.feedburner.com/blogspot/Dcni?format=xml"/>
+ </reference>
+ <property name="feedTitle">Atom Aggregator Sample</property>
+ </component>
+
+</composite> \ No newline at end of file
diff --git a/branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/META-INF/sca-contribution.xml b/branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/META-INF/sca-contribution.xml
new file mode 100644
index 0000000000..b67fe843ca
--- /dev/null
+++ b/branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/META-INF/sca-contribution.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+* 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.
+-->
+
+<contribution xmlns="http://www.osoa.org/xmlns/sca/1.0"
+ targetNamespace="http://aggregator"
+ xmlns:a="http://aggregator">
+ <deployable composite="a:FeedAggregator"/>
+</contribution>
+
diff --git a/branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/WEB-INF/web.xml b/branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000000..dea3980e4d
--- /dev/null
+++ b/branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!--
+ * 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.
+-->
+
+<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web
+Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
+<web-app>
+
+ <display-name>Apache Tuscany Feed Aggregator Sample</display-name>
+
+ <filter>
+ <filter-name>tuscany</filter-name>
+ <filter-class>org.apache.tuscany.sca.host.webapp.TuscanyServletFilter</filter-class>
+ </filter>
+
+ <filter-mapping>
+ <filter-name>tuscany</filter-name>
+ <url-pattern>/*</url-pattern>
+ </filter-mapping>
+
+ <welcome-file-list id="WelcomeFileList">
+ <welcome-file>index.html</welcome-file>
+ </welcome-file-list>
+
+</web-app>
diff --git a/branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/index.html b/branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/index.html
new file mode 100644
index 0000000000..7b33391a87
--- /dev/null
+++ b/branches/sca-android/samples/feed-aggregator-webapp/src/main/webapp/index.html
@@ -0,0 +1,32 @@
+<html>
+<!--
+ * 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.
+ -->
+ <head>
+ <title>Apache Tuscany Feed Aggregator Sample</title>
+ </head>
+ <body>
+
+ <h2>Apache Tuscany Feed Aggregator Sample</h2>
+ <p>To read the aggregated feeds, point your Web browser to the following addresses:</p>
+ <br/><a href="atomAggregator">http://localhost:8083/sample-feed-aggregator-webapp/atomAggregator</a>
+ <br/><a href="atomAggregator/atomsvc">http://localhost:8083/sample-feed-aggregator-webapp/atomAggregator/atomsvc (for the Atom service document)</a>
+ <br/><a href="rssAggregator">http://localhost:8083/sample-feed-aggregator-webapp/rssAggregator</a>
+
+ </body>
+</html>