/*

  * Copyright (c) 2003-2011, Simon Brown

  * All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions are met:

  *

  *   - Redistributions of source code must retain the above copyright

  *     notice, this list of conditions and the following disclaimer.

  *

  *   - Redistributions in binary form must reproduce the above copyright

  *     notice, this list of conditions and the following disclaimer in

  *     the documentation and/or other materials provided with the

  *     distribution.

  *

  *   - Neither the name of Pebble nor the names of its contributors may

  *     be used to endorse or promote products derived from this software

  *     without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

  * POSSIBILITY OF SUCH DAMAGE.

  */

 package net.sourceforge.pebble.web.action;

 import net.sourceforge.pebble.Constants;

 import net.sourceforge.pebble.domain.Blog;

 import net.sourceforge.pebble.logging.Log;

 import net.sourceforge.pebble.logging.LogEntry;

 import net.sourceforge.pebble.logging.UserAgentConsolidator;

 import net.sourceforge.pebble.web.view.View;

 import net.sourceforge.pebble.web.view.impl.UserAgentsView;

 import javax.servlet.ServletException;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import java.util.Comparator;

 import java.util.Map;

 import java.util.TreeMap;

 /**

  * Gets the user agent information for the specified time period.

  *

  * @author    Simon Brown

  */

 public class ViewUserAgentsAction extends AbstractLogAction {

   /**

    * Peforms the processing associated with this action.

    *

    * @param request  the HttpServletRequest instance

    * @param response the HttpServletResponse instance

    * @return the name of the next view

    */

   public View process(HttpServletRequest request, HttpServletResponse response) throws ServletException {

     Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);

     Log log = getLog(request, response);

     Map<String, Integer> userAgents = new TreeMap<String, Integer>(new Comparator<String>() {

       public int compare(String s1, String s2) {

         return s1 != null ? s1.compareToIgnoreCase(s2) : -1;

       }

     });

     Map<String, Integer> consolidatedUserAgents = new TreeMap<String, Integer>(new Comparator<String>() {

       public int compare(String s1, String s2) {

         return s1 != null ? s1.compareToIgnoreCase(s2) : -1;

       }

     });

     for (LogEntry logEntry : log.getLogEntries()) {

       String userAgent = logEntry.getAgent();

       if (userAgent == null) {

         userAgent = "";

       }

       Integer count = userAgents.get(userAgent);

       if (count == null) {

         count = 0;

       }

       count = count+1;

       userAgents.put(userAgent, count);

       String consolidatedUserAgent = UserAgentConsolidator.consolidate(userAgent);

       Integer consolidatedCount = consolidatedUserAgents.get(consolidatedUserAgent);

       if (consolidatedCount == null) {

         consolidatedCount = 0;

       }

       consolidatedCount = consolidatedCount+1;

       consolidatedUserAgents.put(consolidatedUserAgent, consolidatedCount);

     }

     getModel().put("logAction", "viewUserAgents");

     getModel().put("userAgents", userAgents);

     getModel().put("consolidatedUserAgents", consolidatedUserAgents);

     return new UserAgentsView();

   }

 }