viewcountriesaction.java

pebble-blog 博客源码博客源码博客源码

/*
 * Copyright (c) 2003-2006, 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 com.maxmind.geoip.LookupService;
import net.sourceforge.pebble.logging.Log;
import net.sourceforge.pebble.logging.LogEntry;
import net.sourceforge.pebble.logging.Request;
import net.sourceforge.pebble.web.view.View;
import net.sourceforge.pebble.web.view.impl.CountriesView;
import net.sourceforge.pebble.domain.Blog;
import net.sourceforge.pebble.Constants;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.*;

/**
 * Gets the visitor country information for the specified time period.
 *
 * @author    Simon Brown
 */
public class ViewCountriesAction 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);

    Set<String> countries = new TreeSet<String>(new Comparator<String>() {
      public int compare(String s1, String s2) {
        return s1 != null ? s1.compareToIgnoreCase(s2) : -1;
      }
    });
    Map<String,Integer> consolidatedCountries = new HashMap<String,Integer>();
    Map<String,Integer> countriesForNewsFeeds = new HashMap<String,Integer>();
    Map<String,Integer> countriesForPageViews = new HashMap<String,Integer>();
    Map<String,Integer> countriesForFileDownloads = new HashMap<String,Integer>();

    LookupService lookupService = null;

    try {
      String filename = getClass().getResource("/geo-ip.dat").toExternalForm().substring(5);
      lookupService = new LookupService(filename, LookupService.GEOIP_MEMORY_CACHE);

      for (LogEntry logEntry : log.getLogEntries()) {
        String country = lookupService.getCountry(logEntry.getHost()).getName();
        countries.add(country);
        register(country, countriesForNewsFeeds);
        register(country, countriesForPageViews);
        register(country, countriesForFileDownloads);
        register(country, consolidatedCountries);

        Request req = new Request(logEntry.getRequestUri(), blog);
        if (req.isNewsFeed()) {
          increment(country, countriesForNewsFeeds);
          increment(country, consolidatedCountries);
        } else if (req.isPageView()) {
          increment(country, countriesForPageViews);
          increment(country, consolidatedCountries);
        } else if (req.isFileDownload()) {
          increment(country, countriesForFileDownloads);
          increment(country, consolidatedCountries);
        }
      }
    } catch (IOException ioe) {
      throw new ServletException(ioe);
    } finally {
      if (lookupService != null) {
        lookupService.close();
      }
    }

    getModel().put("logAction", "viewCountries");
    getModel().put("countries", countries);
    getModel().put("consolidatedCountries", consolidatedCountries);
    getModel().put("countriesForNewsFeeds", countriesForNewsFeeds);
    getModel().put("countriesForPageViews", countriesForPageViews);
    getModel().put("countriesForFileDownloads", countriesForFileDownloads);

    return new CountriesView();
  }

  private void register(String country, Map<String,Integer> map) {
    Integer count = map.get(country);
    if (count == null) {
      count = 0;
    }
    map.put(country, count);
  }

  private void increment(String country, Map<String,Integer> map) {
    Integer count = map.get(country);
    count = count + 1;
    map.put(country, count);
  }

}