Coverage Report - net.sourceforge.pebble.index.EmailSubscriptionList
 
Classes in this File Line Coverage Branch Coverage Complexity
EmailSubscriptionList
28%
12/42
12%
1/8
1.857
 
 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.index;
 33  
 
 34  
 import org.apache.commons.logging.Log;
 35  
 import org.apache.commons.logging.LogFactory;
 36  
 import net.sourceforge.pebble.domain.Blog;
 37  
 import net.sourceforge.pebble.domain.Tag;
 38  
 import net.sourceforge.pebble.domain.BlogEntry;
 39  
 
 40  
 import java.util.*;
 41  
 import java.io.*;
 42  
 
 43  
 /**
 44  
  * Represents the tag index for a blog.
 45  
  *
 46  
  * @author    Simon Brown
 47  
  */
 48  
 public class EmailSubscriptionList {
 49  
 
 50  4
   private static final Log log = LogFactory.getLog(EmailSubscriptionList.class);
 51  
 
 52  
   private Blog blog;
 53  
 
 54  
   /** the list of e-mail addresses */
 55  2720
   private List<String> emailAddresses = new LinkedList<String>();
 56  
 
 57  2720
   public EmailSubscriptionList(Blog blog) {
 58  2720
     this.blog = blog;
 59  
 
 60  2720
     readIndex();
 61  2720
   }
 62  
 
 63  
   /**
 64  
    * Clears the index.
 65  
    */
 66  
   public void clear() {
 67  0
     emailAddresses = new LinkedList<String>();
 68  0
     writeIndex();
 69  0
   }
 70  
 
 71  
   /**
 72  
    * Adds an e-mail address.
 73  
    *
 74  
    * @param emailAddress    an e-mail address
 75  
    */
 76  
   public synchronized void addEmailAddress(String emailAddress) {
 77  0
     if (!emailAddresses.contains(emailAddress)) {
 78  0
       emailAddresses.add(emailAddress);
 79  0
       writeIndex();
 80  
     }
 81  0
   }
 82  
 
 83  
   /**
 84  
    * Removes an e-mail address.
 85  
    *
 86  
    * @param emailAddress    an e-mail address
 87  
    */
 88  
   public synchronized void removeEmailAddress(String emailAddress) {
 89  0
     emailAddresses.remove(emailAddress);
 90  0
     writeIndex();
 91  0
   }
 92  
 
 93  
   /**
 94  
    * Helper method to load the index.
 95  
    */
 96  
   private void readIndex() {
 97  2720
     File indexFile = new File(blog.getIndexesDirectory(), "email-subscriptions.index");
 98  2720
     if (indexFile.exists()) {
 99  
       try {
 100  0
         BufferedReader reader = new BufferedReader(new FileReader(indexFile));
 101  0
         String emailAddress = reader.readLine();
 102  0
         while (emailAddress != null) {
 103  0
           emailAddresses.add(emailAddress);
 104  0
           emailAddress = reader.readLine();
 105  
         }
 106  
 
 107  0
         reader.close();
 108  0
       } catch (Exception e) {
 109  0
         log.error("Error while reading index", e);
 110  0
       }
 111  
     }
 112  2720
   }
 113  
 
 114  
   /**
 115  
    * Helper method to write out the index to disk.
 116  
    */
 117  
   private void writeIndex() {
 118  
     try {
 119  0
       File indexFile = new File(blog.getIndexesDirectory(), "email-subscriptions.index");
 120  0
       BufferedWriter writer = new BufferedWriter(new FileWriter(indexFile));
 121  
 
 122  0
       for (String emailAddress : emailAddresses) {
 123  0
         writer.write(emailAddress);
 124  0
         writer.newLine();
 125  
       }
 126  
 
 127  0
       writer.flush();
 128  0
       writer.close();
 129  0
     } catch (Exception e) {
 130  0
       log.error("Error while writing index", e);
 131  0
     }
 132  0
   }
 133  
 
 134  
   /**
 135  
    * Gets the list of e-mail addresses.
 136  
    */
 137  
   public List<String> getEmailAddresses() {
 138  28
     List list = new ArrayList<String>(emailAddresses);
 139  28
     Collections.sort(list);
 140  28
     return list;
 141  
   }
 142  
 
 143  
 }