/* 
    P/P   *  Method: net.sourceforge.pebble.aggregator.NewsFeed__static_init
          */
     1  /*
     2   * Copyright (c) 2003-2006, 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 java.util.List;
    35  import java.util.LinkedList;
    36  
    37  /**
    38   * Simple representation of a newsfeed.
    39   *
    40   * @author    Simon Brown
    41   */
    42  public class NewsFeed {
    43  
    44    private String url;
    45    private String title;
    46    private String link;
    47    private List<NewsFeedEntry> entries = new LinkedList<NewsFeedEntry>();
    48    private long timestamp;
    49  
           /* 
    P/P     *  Method: void net.sourceforge.pebble.aggregator.NewsFeed(String)
            * 
            *  Postconditions:
            *    this.entries == &new LinkedList(NewsFeed#1)
            *    init'ed(this.timestamp)
            *    this.url == url
            *    init'ed(this.url)
            *    new LinkedList(NewsFeed#1) num objects == 1
            */
    50    public NewsFeed(String url) {
    51      this.url = url;
    52      this.timestamp = System.currentTimeMillis();
    53    }
    54  
    55    public String getUrl() {
             /* 
    P/P       *  Method: String getUrl()
              * 
              *  Preconditions:
              *    init'ed(this.url)
              * 
              *  Postconditions:
              *    return_value == this.url
              *    init'ed(return_value)
              */
    56      return url;
    57    }
    58  
    59    public String getTitle() {
             /* 
    P/P       *  Method: String getTitle()
              * 
              *  Preconditions:
              *    init'ed(this.title)
              * 
              *  Postconditions:
              *    return_value == this.title
              *    init'ed(return_value)
              */
    60      return title;
    61    }
    62  
    63    public void setTitle(String title) {
             /* 
    P/P       *  Method: void setTitle(String)
              * 
              *  Postconditions:
              *    this.title == title
              *    init'ed(this.title)
              */
    64      this.title = title;
    65    }
    66  
    67    public String getLink() {
             /* 
    P/P       *  Method: String getLink()
              * 
              *  Preconditions:
              *    init'ed(this.link)
              * 
              *  Postconditions:
              *    return_value == this.link
              *    init'ed(return_value)
              */
    68      return link;
    69    }
    70  
    71    public void setLink(String link) {
             /* 
    P/P       *  Method: void setLink(String)
              * 
              *  Postconditions:
              *    this.link == link
              *    init'ed(this.link)
              */
    72      this.link = link;
    73    }
    74  
    75    public void add(NewsFeedEntry entry) {
             /* 
    P/P       *  Method: void add(NewsFeedEntry)
              * 
              *  Preconditions:
              *    (soft) this.entries != null
              * 
              *  Postconditions:
              *    entry.feed == One-of{old entry.feed, this}
              * 
              *  Test Vectors:
              *    entry: Addr_Set{null}, Inverse{null}
              *    java.util.List:contains(...)@76: {1}, {0}
              */
    76      if (entry != null && !entries.contains(entry)) {
    77        entries.add(entry);
    78        entry.setFeed(this);
    79      }
    80    }
    81  
    82    public List<NewsFeedEntry> getEntries() {
             /* 
    P/P       *  Method: List getEntries()
              * 
              *  Preconditions:
              *    init'ed(this.entries)
              * 
              *  Postconditions:
              *    return_value == this.entries
              *    init'ed(return_value)
              */
    83      return entries;
    84    }
    85  
    86    public long getTimestamp() {
             /* 
    P/P       *  Method: long getTimestamp()
              * 
              *  Preconditions:
              *    init'ed(this.timestamp)
              * 
              *  Postconditions:
              *    return_value == this.timestamp
              *    init'ed(return_value)
              */
    87      return timestamp;
    88    }
    89  
    90  }