Coverage Report - net.sourceforge.pebble.decorator.PubSubHubBubFeedDecorator
 
Classes in this File Line Coverage Branch Coverage Complexity
PubSubHubBubFeedDecorator
0%
0/22
0%
0/8
1.833
 
 1  
 /*
 2  
  * Copyright (c) 2003-2011, Simon Brown
 3  
  * All rights reserved.
 4  
  *
 5  
  * Redistribution and use in source and binary forms, with or without
 6  
  * modification, are permitted provided that the following conditions are met:
 7  
  *
 8  
  *   - Redistributions of source code must retain the above copyright
 9  
  *     notice, this list of conditions and the following disclaimer.
 10  
  *
 11  
  *   - Redistributions in binary form must reproduce the above copyright
 12  
  *     notice, this list of conditions and the following disclaimer in
 13  
  *     the documentation and/or other materials provided with the
 14  
  *     distribution.
 15  
  *
 16  
  *   - Neither the name of Pebble nor the names of its contributors may
 17  
  *     be used to endorse or promote products derived from this software
 18  
  *     without specific prior written permission.
 19  
  *
 20  
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 21  
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 22  
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 23  
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 24  
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 25  
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 26  
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 27  
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 28  
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 29  
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 30  
  * POSSIBILITY OF SUCH DAMAGE.
 31  
  */
 32  
 
 33  
 package net.sourceforge.pebble.decorator;
 34  
 
 35  
 import com.sun.syndication.feed.synd.SyndEntry;
 36  
 import com.sun.syndication.feed.synd.SyndFeed;
 37  
 import com.sun.syndication.feed.synd.SyndLink;
 38  
 import com.sun.syndication.feed.synd.SyndLinkImpl;
 39  
 import net.sourceforge.pebble.api.decorator.FeedDecorator;
 40  
 import net.sourceforge.pebble.domain.Blog;
 41  
 import net.sourceforge.pebble.domain.BlogEntry;
 42  
 import net.sourceforge.pebble.domain.Response;
 43  
 import net.sourceforge.pebble.event.blogentry.PubSubHubBubBlogEntryListener;
 44  
 import org.apache.commons.logging.Log;
 45  
 import org.apache.commons.logging.LogFactory;
 46  
 
 47  
 import java.util.*;
 48  
 
 49  
 /**
 50  
  * Adds hub links to the feed, implementing the discovery part of pubsubhubbub
 51  
  *
 52  
  * @author James Roper
 53  
  */
 54  0
 public class PubSubHubBubFeedDecorator implements FeedDecorator {
 55  0
   private static final Log log = LogFactory.getLog(PubSubHubBubFeedDecorator.class);
 56  
 
 57  
   public static final String HUBS_PROPERTY = "pubsubhubbub.hubs";
 58  
   private volatile Boolean listenerEnabled;
 59  
 
 60  
   public void decorate(SyndFeed feed, Blog blog) {
 61  0
     if (checkListenerEnabled(blog)) {
 62  0
       List<SyndLink> links = new ArrayList<SyndLink>(feed.getLinks());
 63  0
       for (String hub : getHubs(blog)) {
 64  0
         SyndLink link = new SyndLinkImpl();
 65  0
         link.setRel("hub");
 66  0
         link.setHref(hub.trim());
 67  0
         links.add(link);
 68  0
       }
 69  0
       feed.setLinks(links);
 70  0
     } else {
 71  0
       log.warn("PubSubHubBub Feed Decorator plugin is enabled, however the PubSubHubBub " +
 72  
           "blog entry listener does not appeared to be enabled. Not adding hub to feed, " +
 73  
           "otherwise aggregators will never get updates.");
 74  
     }
 75  0
   }
 76  
 
 77  
   public void decorate(SyndFeed feed, Blog blog, BlogEntry blogEntry) {
 78  
     // We don't use hubs for response feeds
 79  0
   }
 80  
 
 81  
   public void decorate(SyndEntry entry, Blog blog, BlogEntry blogEntry) {
 82  0
   }
 83  
 
 84  
   public void decorate(SyndEntry entry, Blog blog, Response response) {
 85  
     // We don't use hubs for response feeds
 86  0
   }
 87  
 
 88  
   private boolean checkListenerEnabled(Blog blog) {
 89  0
     return blog.getBlogEntryListeners().contains(PubSubHubBubBlogEntryListener.class.getName());
 90  
   }
 91  
 
 92  
   private Collection<String> getHubs(Blog blog) {
 93  0
     String hubs = blog.getPluginProperties().getProperty(HUBS_PROPERTY);
 94  0
     if (hubs == null || hubs.length() == 0) {
 95  0
       return Collections.emptyList();
 96  
     }
 97  0
     return Arrays.asList(hubs.split(","));
 98  
   }
 99  
 }