/* 
    P/P   *  Method: net.sourceforge.pebble.event.DefaultEventDispatcher__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.event;
    33  
    34  import net.sourceforge.pebble.api.event.blog.BlogEvent;
    35  import net.sourceforge.pebble.api.event.blog.BlogListener;
    36  import net.sourceforge.pebble.api.event.blogentry.BlogEntryEvent;
    37  import net.sourceforge.pebble.api.event.blogentry.BlogEntryListener;
    38  import net.sourceforge.pebble.api.event.comment.CommentEvent;
    39  import net.sourceforge.pebble.api.event.comment.CommentListener;
    40  import net.sourceforge.pebble.api.event.EventDispatcher;
    41  import net.sourceforge.pebble.api.event.trackback.TrackBackEvent;
    42  import net.sourceforge.pebble.api.event.trackback.TrackBackListener;
    43  
    44  import java.util.Iterator;
    45  
    46  /**
    47   * Responsible for dispatching events to registered listeners, which are
    48   * called in the order they were added.
    49   *
    50   * @author Simon Brown
    51   */
         /* 
    P/P   *  Method: void net.sourceforge.pebble.event.DefaultEventDispatcher()
          */
    52  public class DefaultEventDispatcher extends EventDispatcher {
    53  
    54    /**
    55     * Fires a blog event to registered listeners.
    56     *
    57     * @param event   the BlogEvent instance
    58     */
    59    public void fireBlogEvent(BlogEvent event) {
             /* 
    P/P       *  Method: void fireBlogEvent(BlogEvent)
              * 
              *  Preconditions:
              *    (soft) event != null
              * 
              *  Presumptions:
              *    java.util.Iterator:next(...)@62 != null
              * 
              *  Test Vectors:
              *    java.util.Iterator:hasNext(...)@61: {1}, {0}
              * 
              *  Preconditions:
              *    this.eventListenerList != null
              *    this.eventListenerList.blogListeners != null
              *    (soft) init'ed(event.type)
              *    (soft) init'ed(event.vetoed)
              * 
              *  Test Vectors:
              *    event.type: {-231..-1, 2..232-1}, {0}, {1}
              * 
              *  Presumptions:
              *    listener.timer@62 != null
              */
    60      Iterator it = getEventListenerList().getBlogListeners().iterator();
    61      while (it.hasNext()) {
    62        BlogListener listener = (BlogListener)it.next();
    63        if (event.getType() == BlogEvent.BLOG_STARTED) {
    64          listener.blogStarted(event);
    65        } else if (event.getType() == BlogEvent.BLOG_STOPPED) {
    66          listener.blogStopped(event);
    67        }
    68  
    69        // has the event been vetoed?
    70        if (event.isVetoed()) {
    71          break;
    72        }
    73      }
    74    }
    75  
    76    /**
    77     * Fires a blog entry event to registered listeners.
    78     *
    79     * @param event   the BlogEntryEvent instance
    80     */
    81    public void fireBlogEntryEvent(BlogEntryEvent event) {
             /* 
    P/P       *  Method: void fireBlogEntryEvent(BlogEntryEvent)
              * 
              *  Preconditions:
              *    (soft) event != null
              * 
              *  Presumptions:
              *    java.util.Iterator:next(...)@84 != null
              * 
              *  Test Vectors:
              *    java.util.Iterator:hasNext(...)@83: {1}, {0}
              * 
              *  Preconditions:
              *    this.eventListenerList != null
              *    this.eventListenerList.blogEntryListeners != null
              *    (soft) init'ed(event.type)
              *    (soft) init'ed(event.vetoed)
              */
    82      Iterator it = getEventListenerList().getBlogEntryListeners().iterator();
    83      while (it.hasNext()) {
    84        BlogEntryListener listener = (BlogEntryListener)it.next();
    85        if (event.getType() == BlogEntryEvent.BLOG_ENTRY_ADDED) {
    86          listener.blogEntryAdded(event);
    87        } else if (event.getType() == BlogEntryEvent.BLOG_ENTRY_REMOVED) {
    88          listener.blogEntryRemoved(event);
    89        } else if (event.getType() == BlogEntryEvent.BLOG_ENTRY_CHANGED) {
    90          listener.blogEntryChanged(event);
    91        } else if (event.getType() == BlogEntryEvent.BLOG_ENTRY_PUBLISHED) {
    92          listener.blogEntryPublished(event);
    93        } else if (event.getType() == BlogEntryEvent.BLOG_ENTRY_UNPUBLISHED) {
    94          listener.blogEntryUnpublished(event);
    95        }
    96  
    97        // has the event been vetoed?
    98        if (event.isVetoed()) {
    99          break;
   100        }
   101      }
   102    }
   103  
   104    /**
   105     * Fires a comment event to registered listeners.
   106     *
   107     * @param event   the CommentEvent instance
   108     */
   109    public void fireCommentEvent(CommentEvent event) {
             /* 
    P/P       *  Method: void fireCommentEvent(CommentEvent)
              * 
              *  Preconditions:
              *    (soft) event != null
              * 
              *  Presumptions:
              *    java.util.Iterator:next(...)@112 != null
              * 
              *  Test Vectors:
              *    java.util.Iterator:hasNext(...)@111: {1}, {0}
              * 
              *  Preconditions:
              *    this.eventListenerList != null
              *    this.eventListenerList.commentListeners != null
              *    (soft) init'ed(event.type)
              *    (soft) init'ed(event.vetoed)
              */
   110      Iterator it = getEventListenerList().getCommentListeners().iterator();
   111      while (it.hasNext()) {
   112        CommentListener listener = (CommentListener)it.next();
   113        if (event.getType() == CommentEvent.COMMENT_ADDED) {
   114          listener.commentAdded(event);
   115        } else if (event.getType() == CommentEvent.COMMENT_REMOVED) {
   116          listener.commentRemoved(event);
   117        } else if (event.getType() == CommentEvent.COMMENT_APPROVED) {
   118          listener.commentApproved(event);
   119        } else if (event.getType() == CommentEvent.COMMENT_REJECTED) {
   120          listener.commentRejected(event);
   121        }
   122  
   123        // has the event been vetoed?
   124        if (event.isVetoed()) {
   125          break;
   126        }
   127      }
   128    }
   129  
   130    /**
   131     * Fires a TrackBack event to registered listeners.
   132     *
   133     * @param event   the TrackBackEvent instance
   134     */
   135    public void fireTrackBackEvent(TrackBackEvent event) {
             /* 
    P/P       *  Method: void fireTrackBackEvent(TrackBackEvent)
              * 
              *  Preconditions:
              *    (soft) event != null
              * 
              *  Presumptions:
              *    java.util.Iterator:next(...)@138 != null
              * 
              *  Test Vectors:
              *    java.util.Iterator:hasNext(...)@137: {1}, {0}
              * 
              *  Preconditions:
              *    this.eventListenerList != null
              *    this.eventListenerList.trackBackListeners != null
              *    (soft) init'ed(event.type)
              *    (soft) init'ed(event.vetoed)
              */
   136      Iterator it = getEventListenerList().getTrackBackListeners().iterator();
   137      while (it.hasNext()) {
   138        TrackBackListener listener = (TrackBackListener)it.next();
   139        if (event.getType() == TrackBackEvent.TRACKBACK_ADDED) {
   140          listener.trackBackAdded(event);
   141        } else if (event.getType() == TrackBackEvent.TRACKBACK_REMOVED) {
   142          listener.trackBackRemoved(event);
   143        } else if (event.getType() == TrackBackEvent.TRACKBACK_APPROVED) {
   144          listener.trackBackApproved(event);
   145        } else if (event.getType() == TrackBackEvent.TRACKBACK_REJECTED) {
   146          listener.trackBackRejected(event);
   147        }
   148  
   149        // has the event been vetoed?
   150        if (event.isVetoed()) {
   151          break;
   152        }
   153      }
   154    }
   155  
   156  }