Coverage Report - net.sourceforge.pebble.aggregator.NewsFeedContextListener
 
Classes in this File Line Coverage Branch Coverage Complexity
NewsFeedContextListener
0%
0/9
N/A
1.333
NewsFeedContextListener$1
0%
0/7
N/A
1.333
 
 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  
 package net.sourceforge.pebble.aggregator;
 33  
 
 34  
 import org.apache.commons.logging.Log;
 35  
 import org.apache.commons.logging.LogFactory;
 36  
 
 37  
 import javax.servlet.ServletContextListener;
 38  
 import javax.servlet.ServletContextEvent;
 39  
 import java.util.Timer;
 40  
 import java.util.TimerTask;
 41  
 
 42  
 /**
 43  
  * Manages a timer that regularly updates all news feeds that have been
 44  
  * subscribed to.
 45  
  *
 46  
  * @author    Simon Brown
 47  
  */
 48  0
 public class NewsFeedContextListener implements ServletContextListener {
 49  
 
 50  
   private static final long ONE_MINUTE = 1000 * 60;
 51  0
   private static final Log log = LogFactory.getLog(NewsFeedContextListener.class);
 52  
 
 53  
   private Timer timer;
 54  
 
 55  
   public void contextInitialized(ServletContextEvent servletContextEvent) {
 56  0
     log.info("Starting newsfeed updater");
 57  0
     timer = new Timer();
 58  0
     timer.scheduleAtFixedRate(new TimerTask() {
 59  
       public void run() {
 60  
         try {
 61  0
           NewsFeedCache.getInstance().refreshFeeds();
 62  0
         } catch (Exception e) {
 63  0
           log.error("Error while refreshing feeds " + e.getMessage());
 64  0
           e.printStackTrace();
 65  0
         }
 66  0
       }
 67  
     }, 0, ONE_MINUTE * 15);
 68  0
   }
 69  
 
 70  
   public void contextDestroyed(ServletContextEvent servletContextEvent) {
 71  0
     log.info("Stopping newsfeed updater");
 72  0
     timer.cancel();
 73  0
   }
 74  
 
 75  
 }