diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
commit | a40e527938d76ba71f211da7e327adb50384ba69 (patch) | |
tree | cb8f99f1727122b040a3f0fbb6649292b6a74302 /tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src | |
parent | 968721109881107520d7aefa91d7fcc0519d7739 (diff) |
Moving 1.x tags
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835157 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src')
6 files changed, 0 insertions, 760 deletions
diff --git a/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java b/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/java/feed/AggregatorImpl.java deleted file mode 100644 index 7b2edb2e6a..0000000000 --- a/tags/java/sca/1.5.1-RC3/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/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/java/feed/Sort.java b/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/java/feed/Sort.java deleted file mode 100644 index dec073c36b..0000000000 --- a/tags/java/sca/1.5.1-RC3/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/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/java/feed/SortImpl.java b/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/java/feed/SortImpl.java deleted file mode 100644 index f7ead126a7..0000000000 --- a/tags/java/sca/1.5.1-RC3/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/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/java/launch/LaunchFeedServer.java b/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/java/launch/LaunchFeedServer.java deleted file mode 100644 index 1c549f7cd2..0000000000 --- a/tags/java/sca/1.5.1-RC3/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/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/resources/FeedAggregator.composite b/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/resources/FeedAggregator.composite deleted file mode 100644 index 018effc298..0000000000 --- a/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/main/resources/FeedAggregator.composite +++ /dev/null @@ -1,61 +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://apache-tuscany.blogspot.com/feeds/posts/default"/> - </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/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTestCase.java b/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTestCase.java deleted file mode 100644 index 7eb52d95f1..0000000000 --- a/tags/java/sca/1.5.1-RC3/samples/feed-aggregator/src/test/java/feed/FeedAggregatorTestCase.java +++ /dev/null @@ -1,358 +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.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.apache.abdera.Abdera; -import org.apache.abdera.model.Base; -import org.apache.abdera.model.Collection; -import org.apache.abdera.model.Document; -import org.apache.abdera.model.Entry; -import org.apache.abdera.model.Feed; -import org.apache.abdera.parser.Parser; -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.writer.Writer; -import org.apache.abdera.writer.WriterFactory; -import org.apache.tuscany.sca.host.embedded.SCADomain; -import org.junit.AfterClass; -import org.junit.BeforeClass; -import org.junit.Test; - -/** - * 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 FeedAggregatorTestCase { - 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"); // RFC822 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 { - // Assert 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; - } -} |