diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:09:08 +0000 |
---|---|---|
committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:09:08 +0000 |
commit | cde3d2629677a07aa09e3c7fbe117b680c0f5df7 (patch) | |
tree | c6d50048ffad8dfa8a1c0019e7afb207cb6b4fe2 /branches/sca-equinox/samples/feed-aggregator/src | |
parent | 4ef0430519e276c2bdecea75f7a0f42f49f0cf30 (diff) |
Moving 2.x branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835133 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-equinox/samples/feed-aggregator/src')
6 files changed, 0 insertions, 722 deletions
diff --git a/branches/sca-equinox/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java b/branches/sca-equinox/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java deleted file mode 100644 index 70e05b3bb3..0000000000 --- a/branches/sca-equinox/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java +++ /dev/null @@ -1,188 +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) {} - } - 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 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-equinox/samples/feed-aggregator/src/main/java/feed/Sort.java b/branches/sca-equinox/samples/feed-aggregator/src/main/java/feed/Sort.java deleted file mode 100644 index dec073c36b..0000000000 --- a/branches/sca-equinox/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-equinox/samples/feed-aggregator/src/main/java/feed/SortImpl.java b/branches/sca-equinox/samples/feed-aggregator/src/main/java/feed/SortImpl.java deleted file mode 100644 index f7ead126a7..0000000000 --- a/branches/sca-equinox/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-equinox/samples/feed-aggregator/src/main/java/launch/LaunchFeedServer.java b/branches/sca-equinox/samples/feed-aggregator/src/main/java/launch/LaunchFeedServer.java deleted file mode 100644 index 1c549f7cd2..0000000000 --- a/branches/sca-equinox/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"); - } -} diff --git a/branches/sca-equinox/samples/feed-aggregator/src/main/resources/FeedAggregator.composite b/branches/sca-equinox/samples/feed-aggregator/src/main/resources/FeedAggregator.composite deleted file mode 100644 index 8a3a53b4d5..0000000000 --- a/branches/sca-equinox/samples/feed-aggregator/src/main/resources/FeedAggregator.composite +++ /dev/null @@ -1,60 +0,0 @@ -<?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> diff --git a/branches/sca-equinox/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTest.java b/branches/sca-equinox/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTest.java deleted file mode 100644 index 9fdfe711be..0000000000 --- a/branches/sca-equinox/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTest.java +++ /dev/null @@ -1,332 +0,0 @@ -package feed;
-
-import java.io.IOException;
-import java.io.Reader;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.List;
-
-import junit.framework.Assert;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
-import org.junit.Test;
-
-import org.apache.tuscany.sca.host.embedded.SCADomain;
-
-import org.apache.abdera.Abdera;
-import org.apache.abdera.i18n.iri.IRI;
-import org.apache.abdera.factory.Factory;
-import org.apache.abdera.model.Base;
-import org.apache.abdera.model.Content;
-import org.apache.abdera.model.Entry;
-import org.apache.abdera.model.Feed;
-import org.apache.abdera.model.Document;
-import org.apache.abdera.model.Collection;
-import org.apache.abdera.protocol.Response.ResponseType;
-import org.apache.abdera.protocol.client.AbderaClient;
-import org.apache.abdera.protocol.client.ClientResponse;
-import org.apache.abdera.protocol.client.RequestOptions;
-import org.apache.abdera.util.EntityTag;
-import org.apache.abdera.writer.Writer;
-import org.apache.abdera.writer.WriterFactory;
-import org.apache.abdera.parser.Parser;
-
-/**
- * Tests use of server provided feed entity tags for Atom binding in Tuscany.
- * Tests conditional gets (e.g. get if-none-match) or conditional posts (post if-match)
- * using entity tags and last modified entries in headers.
- * Uses the SCA provided Provider composite to act as a server.
- * Uses the Abdera provided Client to act as a client.
- */
-public class FeedAggregatorTest {
- public final static String providerURI = "http://localhost:8083/atomAggregator";
- protected static SCADomain scaProviderDomain;
- protected static Abdera abdera;
- protected static AbderaClient client;
- protected static Parser abderaParser;
- protected static String eTag;
- protected static Date lastModified;
- protected static long contentLength;
- protected static int numberEntries;
- protected static final SimpleDateFormat dateFormat = new SimpleDateFormat( "EEE, dd MMM yyyy HH:mm:ss Z" ); // RFC 822 date time
-
- @BeforeClass
- public static void init() throws Exception {
- try {
- System.out.println(">>>FeedAggregatorTest.init");
- scaProviderDomain = SCADomain.newInstance("FeedAggregator.composite");
- abdera = new Abdera();
- client = new AbderaClient(abdera);
- abderaParser = Abdera.getNewParser();
- } catch ( Throwable e ) {
- System.out.println( e );
- e.printStackTrace();
- }
- }
-
- @AfterClass
- public static void destroy() throws Exception {
- System.out.println(">>>FeedAggregatorTest.destroy");
- scaProviderDomain.close();
- }
-
- @Test
- public void testPrelim() throws Exception {
- Assert.assertNotNull(scaProviderDomain);
- Assert.assertNotNull( client );
- }
-
- @Test
- public void testFeedBasics() throws Exception {
- System.out.println(">>>FeedAggregatorTest.testFeedBasics");
- RequestOptions opts = new RequestOptions();
- // Normal feed request
- ClientResponse res = client.get(providerURI, opts);
- Assert.assertNotNull(res);
- try {
- // Asser feed provided since no predicates
- Assert.assertEquals(200, res.getStatus());
- Assert.assertEquals(ResponseType.SUCCESS, res.getType());
- // AtomTestCaseUtils.printResponseHeaders( "Feed response headers:", " ", res );
-
- // Perform other tests on feed.
- contentLength = getContentLength( res );
- System.out.println( "FeedAggregatorTest.testFeedBasics full contentLength=" + contentLength );
-
- Document<Feed> doc = res.getDocument();
- Assert.assertNotNull( doc );
- Feed feed = doc.getRoot();
- Assert.assertNotNull( feed );
-
- // printFeed( "Feed values", " ", feed );
- // RFC 4287 requires non-null id, title, updated elements
- Assert.assertNotNull( feed.getId() );
- Assert.assertNotNull( feed.getTitle() );
- Assert.assertNotNull( feed.getUpdated() );
-
- eTag = res.getHeader("ETag");
- Assert.assertNotNull( eTag );
- lastModified = res.getLastModified();
- Assert.assertNotNull( lastModified );
-
- numberEntries = getEntryCount( feed );
- System.out.println( "FeedAggregatorTest.testFeedBasics number entries=" + numberEntries );
-
- // printFeed( "Aggregated Feed Contents:", " ", feed );
- // System.out.println( "FeedAggregatorTest.testFeedBasics feed=" + feed );
- // printResponseHeaders( "Aggregated Feed response headers:", " ", res );
- // System.out.println("Aggregated Feed response body:");
- // prettyPrint(abdera, res.getDocument());
- // printEntryUpdates( "Aggregated Feed feed updates", " ", feed );
- } finally {
- res.release();
- }
- }
-
- @Test
- public void testUnmodifiedGetIfModified() throws Exception {
- System.out.println(">>>FeedAggregatorTest.testFeedUnmodifiedGetIfModified");
- // Feed request with predicates
- RequestOptions opts = new RequestOptions();
- final String contentType = "application/atom+xml";
- opts.setContentType(contentType);
- opts.setHeader( "If-Modified-Since", dateFormat.format( new Date( 0 ) ));
-
- ClientResponse res = client.get(providerURI, opts);
- Assert.assertNotNull(res);
- try {
- // Should return 200 - Feed provided since feed is changed.
- Assert.assertEquals(200, res.getStatus());
- Assert.assertEquals(ResponseType.SUCCESS, res.getType());
-
- String thisETag = res.getHeader("ETag");
- Assert.assertNotNull( thisETag );
- Date thisLastModified = res.getLastModified();
- Assert.assertNotNull( thisLastModified );
-
- // Entry count and body size should be equal to basic request
- long thisContentLength = getContentLength( res );
-
- Document<Feed> doc = res.getDocument();
- Assert.assertNotNull( doc );
- Feed feed = doc.getRoot();
- Assert.assertNotNull( feed );
- int thisNumberEntries = getEntryCount( feed );
- // System.out.println( "FeedAggregatorTest.UnmodifiedGetIfModified number entries=" + numberEntries + ", this number entries=" + thisNumberEntries ) ;
- } finally {
- res.release();
- }
- }
-
- @Test
- public void testUnmodifiedGetIfUnModified() throws Exception {
- System.out.println(">>>FeedAggregatorTest.testFeedUnmodifiedGetIfUnModified");
- // Feed request with predicates
- RequestOptions opts = new RequestOptions();
- final String contentType = "application/atom+xml";
- opts.setContentType(contentType);
- opts.setHeader( "If-Unmodified-Since", dateFormat.format( new Date( 0 ) ));
-
- ClientResponse res = client.get(providerURI, opts);
- Assert.assertNotNull(res);
- try {
- // Should return 304 - Feed not provided since feed is modified since.
- Assert.assertEquals(304, res.getStatus());
-
- // Entry count and body size should be equal to basic request
- long thisContentLength = getContentLength( res );
- System.out.println( "FeedAggregatorTest.UnModifiedGetIfUnModified saved " + (contentLength - thisContentLength) + " bytes of network traffic due to caching.");
- } finally {
- res.release();
- }
- }
-
- /** Print feed vital fields. */
- public static void printFeed( String title, String indent, Feed feed ) {
- if ( feed == null ) {
- System.out.println( title + " feed is null");
- return;
- }
-
- System.out.println( title );
- System.out.println( indent + "id=" + feed.getId() );
- System.out.println( indent + "title=" + feed.getTitle() );
- System.out.println( indent + "updated=" + feed.getUpdated() );
- System.out.println( indent + "author=" + feed.getAuthor() );
- System.out.println( indent + "self link=" + feed.getSelfLink() );
- Collection collection = feed.getCollection();
- if ( collection == null ) {
- System.out.println( indent + "collection=null" );
- } else {
- System.out.println( indent + "collection=" + collection );
- }
- }
-
- /* Print headers of request. */
- public static void printRequestHeaders( String title, String indent, RequestOptions request ) {
- System.out.println( title );
- if ( request == null ) {
- System.out.println( indent + " request is null");
- return;
- }
- String [] headerNames = request.getHeaderNames();
- for ( String headerName: headerNames) {
- String header = request.getHeader(headerName);
- System.out.println( indent + " header name,value=" + headerName + "," + header );
- }
- }
-
- /* Print headers of response. */
- public static void printResponseHeaders( String title, String indent, ClientResponse response ) {
- System.out.println( title );
- if ( response == null ) {
- System.out.println( indent + " response is null");
- return;
- }
- String [] headerNames = response.getHeaderNames();
- for ( String headerName: headerNames) {
- String header = response.getHeader(headerName);
- System.out.println( indent + " header name,value=" + headerName + "," + header );
- }
-
- }
-
- /** Pretty print the document body. */
- public static void prettyPrint(Abdera abdera, Base doc) throws IOException {
- WriterFactory factory = abdera.getWriterFactory();
- Writer writer = factory.getWriter("prettyxml");
- writer.writeTo(doc, System.out);
- System.out.println();
- }
-
- /** Print the updated elements of the feed entries. */
- public static void printEntryUpdates( String title, String indent, Feed feed ) {
- if ( feed == null ) {
- System.out.println( title + " feed is null");
- return;
- }
-
- System.out.println( title );
- List<Entry> entries = feed.getEntries();
- if ( entries == null ) {
- System.out.println( indent + " null entries");
- }
- System.out.println( indent + "entries size=" + entries.size());
-
- int i = 0;
- for ( Entry entry: entries ) {
- String entryTitle = entry.getTitle();
- if (( entryTitle != null ) && ( entryTitle.length() > 20 ))
- entryTitle = entryTitle.substring( 0, 20 );
- // System.out.println( indent + i++ + ": title=\"" + entryTitle +
- // "\", updated=" + entry.getUpdated() + ", published=" + entry.getPublished() );
- System.out.println( indent + i++ + ": title=\"" + entryTitle +
- "\", updated=" + entry.getUpdated() );
- }
- }
-
- /** Get the length of the response body content. */
- public static long getContentLength( ClientResponse response ) {
- // getContentLenght returns -1
- // contentLength = response.getContentLength();
- try {
- Reader reader = response.getReader();
- long actualSkip = reader.skip( Long.MAX_VALUE );
- return actualSkip;
- } catch ( IOException e ) {
- }
- return -1L;
- }
-
- /** Get a count of entries in the feed. */
- public static int getEntryCount( Feed feed ) {
- if ( feed == null ) {
- return 0;
- }
-
- List<Entry> entries = feed.getEntries();
- if ( entries == null ) {
- return 0;
- }
- return entries.size();
- }
-
- /** Given a feed, determine the median point of the entries.
- * Use the updated field of the entries to determine median.
- * @param feed
- * @return
- */
- public static Date getUpdatedMedian( Feed feed ) {
- Date sentinal = null;
- if ( feed == null ) {
- return sentinal;
- }
-
- List<Entry> entries = feed.getEntries();
- if ( entries == null ) {
- return sentinal;
- }
- int size = entries.size();
- if( size == 0 ) {
- return sentinal;
- }
- // System.out.println( "getUpdatedMedian entries size=" + entries.size());
- ArrayList<Date> updates = new ArrayList<Date>( size );
-
- for ( Entry entry: entries ) {
- Date entryUpdated = entry.getUpdated();
- if ( entryUpdated == null ) {
- entryUpdated = new Date( 0 );
- }
- updates.add( entryUpdated );
- }
- Collections.sort( updates );
- // System.out.println( "getUpdatedMedian entry min update=" + updates.get( 0 ));
- // System.out.println( "getUpdatedMedian entry max update=" + updates.get( size - 1 ));
- Date median = updates.get( size/2 );
- // System.out.println( "getUpdatedMedian entry max median=" + median );
- return median;
- }
-}
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