/* 
    P/P   *  Method: int compare(Object, Object)
          * 
          *  Postconditions:
          *    init'ed(return_value)
          */
     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.action;
    33  
    34  import net.sourceforge.pebble.Constants;
    35  import net.sourceforge.pebble.domain.Blog;
    36  import net.sourceforge.pebble.logging.Log;
    37  import net.sourceforge.pebble.logging.LogEntry;
    38  import net.sourceforge.pebble.logging.UserAgentConsolidator;
    39  import net.sourceforge.pebble.web.view.View;
    40  import net.sourceforge.pebble.web.view.impl.UserAgentsView;
    41  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.ViewUserAgentsAction()
          */
    42  import javax.servlet.ServletException;
    43  import javax.servlet.http.HttpServletRequest;
    44  import javax.servlet.http.HttpServletResponse;
    45  import java.util.Comparator;
    46  import java.util.Map;
    47  import java.util.TreeMap;
    48  
    49  /**
    50   * Gets the user agent information for the specified time period.
    51   *
    52   * @author    Simon Brown
    53   */
    54  public class ViewUserAgentsAction extends AbstractLogAction {
    55  
    56    /**
    57     * Peforms the processing associated with this action.
    58     *
    59     * @param request  the HttpServletRequest instance
    60     * @param response the HttpServletResponse instance
    61     * @return the name of the next view
    62     */
    63    public View process(HttpServletRequest request, HttpServletResponse response) throws ServletException {
             /* 
    P/P       *  Method: View process(HttpServletRequest, HttpServletResponse)
              * 
              *  Preconditions:
              *    request != null
              *    this.model != null
              *    this.model.data != null
              *    (soft) init'ed(net.sourceforge.pebble.logging.UserAgentConsolidator__static_init.new String[](UserAgentConsolidator__static_init#1)[...])
              * 
              *  Presumptions:
              *    java.lang.Integer:intValue(...)@89 <= 232-2
              *    java.lang.Integer:intValue(...)@97 <= 232-2
              *    java.util.Collections:unmodifiableCollection(...)@72 != null
              *    java.util.Iterator:next(...)@79 != null
              * 
              *  Postconditions:
              *    return_value == &new UserAgentsView(process#5)
              *    new UserAgentsView(process#5) num objects == 1
              * 
              *  Test Vectors:
              *    java.util.Iterator:hasNext(...)@79: {1}, {0}
              *    java.util.Map:get(...)@85: Inverse{null}, Addr_Set{null}
              *    java.util.Map:get(...)@93: Inverse{null}, Addr_Set{null}
              *    logEntry.agent@79: Inverse{null}, Addr_Set{null}
              */
+   64      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    65      Log log = getLog(request, response);
    66  
    67      Map<String, Integer> userAgents = new TreeMap<String, Integer>(new Comparator<String>() {
    68        public int compare(String s1, String s2) {
                 /* 
    P/P           *  Method: int compare(String, String)
                  * 
                  *  Postconditions:
                  *    init'ed(return_value)
                  */
    69          return s1 != null ? s1.compareToIgnoreCase(s2) : -1;
    70        }
    71      });
    72  
    73      Map<String, Integer> consolidatedUserAgents = new TreeMap<String, Integer>(new Comparator<String>() {
    74        public int compare(String s1, String s2) {
                 /* 
    P/P           *  Method: int compare(String, String)
                  * 
                  *  Postconditions:
                  *    init'ed(return_value)
                  */
    75          return s1 != null ? s1.compareToIgnoreCase(s2) : -1;
    76        }
    77      });
    78  
    79      for (LogEntry logEntry : log.getLogEntries()) {
    80        String userAgent = logEntry.getAgent();
    81        if (userAgent == null) {
    82          userAgent = "";
    83        }
    84  
    85        Integer count = userAgents.get(userAgent);
    86        if (count == null) {
    87          count = 0;
    88        }
    89        count = count+1;
    90        userAgents.put(userAgent, count);
    91  
    92        String consolidatedUserAgent = UserAgentConsolidator.consolidate(userAgent);
    93        Integer consolidatedCount = consolidatedUserAgents.get(consolidatedUserAgent);
    94        if (consolidatedCount == null) {
    95          consolidatedCount = 0;
    96        }
    97        consolidatedCount = consolidatedCount+1;
    98        consolidatedUserAgents.put(consolidatedUserAgent, consolidatedCount);
    99      }
   100  
   101      getModel().put("logAction", "viewUserAgents");
   102      getModel().put("userAgents", userAgents);
   103      getModel().put("consolidatedUserAgents", consolidatedUserAgents);
   104  
   105      return new UserAgentsView();
   106    }
   107  
   108  
   109  }