/* 
    P/P   *  Method: net.sourceforge.pebble.web.listener.PebbleContextListener__static_init
          * 
          *  Postconditions:
          *    init'ed(log)
          */
     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.web.listener;
    33  
    34  import net.sourceforge.pebble.Configuration;
    35  import net.sourceforge.pebble.PebbleContext;
    36  import net.sourceforge.pebble.dao.DAOFactory;
    37  import net.sourceforge.pebble.domain.*;
    38  import org.apache.commons.logging.Log;
    39  import org.apache.commons.logging.LogFactory;
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.listener.PebbleContextListener()
          */
    40  import org.springframework.context.ApplicationContext;
    41  import org.springframework.web.context.support.WebApplicationContextUtils;
    42  
    43  import javax.servlet.ServletContextEvent;
    44  import javax.servlet.ServletContextListener;
    45  import java.util.Collection;
    46  
    47  /**
    48   * Allows the blog to be loaded when this web application is started up.
    49   *
    50   * @author    Simon Brown
    51   */
    52  public class PebbleContextListener implements ServletContextListener {
    53  
    54    /** the log used by this class */
    55    private static Log log = LogFactory.getLog(PebbleContextListener.class);
    56  
    57    /**
    58     * Called when the web application is started.
    59     *
    60     * @param event   a ServletContextEvent instance
    61     */
    62    public void contextInitialized(ServletContextEvent event) {
             /* 
    P/P       *  Method: void contextInitialized(ServletContextEvent)
              * 
              *  Preconditions:
              *    event != null
              *    log != null
              * 
              *  Presumptions:
              *    java.lang.System:currentTimeMillis(...)@114 - java.lang.System:currentTimeMillis(...)@63 in -263..264-1
              *    java.util.Iterator:next(...)@79 != null
              *    javax.servlet.ServletContextEvent:getServletContext(...)@72 != null
              *    net.sourceforge.pebble.domain.BlogManager:getBlogs(...)@78 != null
              *    net.sourceforge.pebble.domain.BlogManager:getInstance(...)@74 != null
              *    ...
              * 
              *  Postconditions:
              *    (soft) net.sourceforge.pebble.PebbleContext__static_init.new PebbleContext(PebbleContext__static_init#1).configuration != null
              *    init'ed(net.sourceforge.pebble.PebbleContext__static_init.new PebbleContext(PebbleContext__static_init#1).webApplicationRoot)
              * 
              *  Test Vectors:
              *    java.util.Iterator:hasNext(...)@79: {1}, {0}
              *    net.sourceforge.pebble.domain.Blog:getNumberOfBlogEntries(...)@82: {-231..-1, 1..232-1}, {0}
              */
    63      long startTime = System.currentTimeMillis();
    64      log.info("Starting Pebble");
    65  
    66      ApplicationContext applicationContext = WebApplicationContextUtils.getRequiredWebApplicationContext(event.getServletContext());
    67      Configuration config = (Configuration)applicationContext.getBean("pebbleConfiguration");
    68  
    69      DAOFactory.setConfiguredFactory(config.getDaoFactory());
    70      PebbleContext ctx = PebbleContext.getInstance();
    71      ctx.setConfiguration(config);
    72      ctx.setWebApplicationRoot(event.getServletContext().getRealPath("/"));
    73  
    74      BlogManager.getInstance().setMultiBlog(config.isMultiBlog());
    75      BlogManager.getInstance().startBlogs();
    76  
    77      // find those blogs with no entries and add a welcome note
    78      Collection<Blog> blogs = (Collection<Blog>)BlogManager.getInstance().getBlogs();
    79      for (Blog blog : blogs) {
    80        try {
    81          // and add a default entry, if one doesn't exist
    82          if (blog.getNumberOfBlogEntries() == 0) {
    83            log.info("Creating 'welcome note' blog entry for " + blog.getId());
    84            BlogEntry blogEntry = new BlogEntry(blog);
    85            blogEntry.setTitle("Welcome");
    86            blogEntry.setBody(
    87                "<p>\n" +
    88                "Welcome to your new Pebble powered blog. Here are a few suggestions for getting started.\n" +
    89                "</p>\n" +
    90                "\n" +
    91                "<ul>\n" +
    92                "<li>Login to see the admin features of your blog. The default username is <code>username</code> and the password is <code>password</code>.</li>\n" +
    93                "<li>Modify your <a href=\"viewBlogProperties.secureaction\">blog properties</a></li>\n" +
    94                "<li><a href=\"addBlogEntry.secureaction\">Create a new blog entry</a>.</li>\n" +
    95                "<li>Give out a link to your <a href=\"./rss.xml\">RSS</a> feed.</li>\n" +
    96                "<li>Remove the default user and create your own user on the <a href=\"viewUsers.secureaction\">users page</a>.</li>\n" +
    97                "<li>Take a look at the <a href=\"./help/index.html\">online help</a>.</li>\n" +
    98                "<li>Delete this blog entry when you're finished with it.</li>\n" +
    99                "</ul>\n" +
   100                "\n" +
   101                "<p>\n" +
   102                "Have fun!\n" +
   103                "</p>");
   104            blogEntry.setAuthor("username");
   105            blogEntry.setPublished(true);
   106            BlogService service = new BlogService();
   107            service.putBlogEntry(blogEntry);
   108          }
   109        } catch (BlogServiceException e) {
   110          log.warn("Could not store 'welcome note' blog entry for " + blog.getId());
   111        }
   112      }
   113  
   114      long endTime = System.currentTimeMillis();
   115      log.info("Pebble started in " + (endTime-startTime) + "ms");
   116    }
   117  
   118    /**
   119     * Called when the web application is shutdown.
   120     *
   121     * @param event   a ServletContextEvent instance
   122     */
   123    public void contextDestroyed(ServletContextEvent event) {
             /* 
    P/P       *  Method: void contextDestroyed(ServletContextEvent)
              * 
              *  Preconditions:
              *    log != null
              * 
              *  Presumptions:
              *    net.sourceforge.pebble.domain.BlogManager:getInstance(...)@125 != null
              */
   124      log.info("Stopping Pebble");
   125      BlogManager.getInstance().stopBlogs();
   126  
   127      log.info("Pebble stopped");
   128    }
   129  
   130  }