/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.ViewBlogPropertiesAction__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.web.action;
    33  
    34  import net.sourceforge.pebble.Constants;
    35  import net.sourceforge.pebble.PebbleContext;
    36  import net.sourceforge.pebble.domain.Blog;
    37  import net.sourceforge.pebble.domain.StaticPage;
    38  import net.sourceforge.pebble.security.PebbleUserDetails;
    39  import net.sourceforge.pebble.security.SecurityRealmException;
    40  import net.sourceforge.pebble.service.StaticPageService;
    41  import net.sourceforge.pebble.service.StaticPageServiceException;
    42  import net.sourceforge.pebble.web.view.View;
    43  import net.sourceforge.pebble.web.view.impl.BlogPropertiesView;
    44  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.ViewBlogPropertiesAction()
          */
    45  import javax.servlet.ServletException;
    46  import javax.servlet.http.HttpServletRequest;
    47  import javax.servlet.http.HttpServletResponse;
    48  import java.nio.charset.Charset;
    49  import java.util.*;
    50  
    51  /**
    52   * Edits the properties associated with the current Blog.
    53   *
    54   * @author    Simon Brown
    55   */
    56  public class ViewBlogPropertiesAction extends SecureAction {
    57  
    58    /**
    59     * Peforms the processing associated with this action.
    60     *
    61     * @param request  the HttpServletRequest instance
    62     * @param response the HttpServletResponse instance
    63     * @return the name of the next view
    64     */
    65    public View process(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    66      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    67  
    68      getModel().put("properties", blog.getProperties());
    69  
    70      Set resources = request.getSession().getServletContext().getResourcePaths("/themes/");
    71      List themes = new ArrayList();
    72      Iterator it = resources.iterator();
    73      String resource;
    74      while (it.hasNext()) {
    75        resource = (String)it.next();
    76        resource = resource.substring(8, resource.length()-1);
    77        if (!resource.startsWith("_")) {
    78          themes.add(resource);
    79        }
    80      }
    81      getModel().put("themes", themes);
    82  
    83      List<Integer> numbers = new ArrayList<Integer>();
    84      for (int i = 0; i <= 20; i++) {
    85        numbers.add(i);
    86      }
    87      getModel().put("numbers", numbers);
    88  
    89      getModel().put("countries", Locale.getISOCountries());
    90      getModel().put("languages", Locale.getISOLanguages());
    91      List timeZones = Arrays.asList(java.util.TimeZone.getAvailableIDs());
    92      Collections.sort(timeZones);
    93      getModel().put("timeZones", timeZones);
    94      getModel().put("characterEncodings", Charset.availableCharsets().keySet());
    95      try {
    96        getModel().put("blogOwnerUsers", filterUsersByRole(PebbleContext.getInstance().getConfiguration().getSecurityRealm().getUsers(), Constants.BLOG_OWNER_ROLE));
    97        getModel().put("blogPublisherUsers", filterUsersByRole(PebbleContext.getInstance().getConfiguration().getSecurityRealm().getUsers(), Constants.BLOG_PUBLISHER_ROLE));
    98        getModel().put("blogContributorUsers", filterUsersByRole(PebbleContext.getInstance().getConfiguration().getSecurityRealm().getUsers(), Constants.BLOG_CONTRIBUTOR_ROLE));
    99        getModel().put("allUsers", PebbleContext.getInstance().getConfiguration().getSecurityRealm().getUsers());
   100      } catch (SecurityRealmException sre) {
   101        throw new ServletException("Could not get list of users", sre);
   102      }
   103  
   104      StaticPageService service = new StaticPageService();
   105      try {
   106        List staticPages = service.getStaticPages(blog);
   107        StaticPage defaultPage = new StaticPage(blog);
   108        defaultPage.setName("");
   109        defaultPage.setTitle("Default - recent blog entries");
   110        staticPages.add(0, defaultPage);
   111        getModel().put("staticPages", staticPages);
   112      } catch (StaticPageServiceException e) {
   113        throw new ServletException(e);
   114      }
   115  
   116      return new BlogPropertiesView();
   117    }
   118  
           /* 
    P/P     *  Method: List filterUsersByRole(Collection, String)
            * 
            *  Preconditions:
            *    users != null
            * 
            *  Presumptions:
            *    java.util.Iterator:next(...)@121 != null
            *    user.grantedAuthories.length@121 <= 232-1
            *    user.grantedAuthories[...]@121 != null
            * 
            *  Postconditions:
            *    return_value == &new LinkedList(filterUsersByRole#1)
            *    new LinkedList(filterUsersByRole#1) num objects == 1
            * 
            *  Test Vectors:
            *    java.util.Iterator:hasNext(...)@121: {1}, {0}
            */
   119    private List<PebbleUserDetails> filterUsersByRole(Collection<PebbleUserDetails> users, String role) {
   120      List<PebbleUserDetails> list = new LinkedList<PebbleUserDetails>();
   121      for (PebbleUserDetails user : users) {
   122        if (user.isUserInRole(role)) {
   123          list.add(user);
   124        }
   125      }
   126  
   127      return list;
   128    }
   129  
   130    /**
   131     * Gets a list of all roles that are allowed to access this action.
   132     *
   133     * @return  an array of Strings representing role names
   134     * @param request
   135     */
   136    public String[] getRoles(HttpServletRequest request) {
             /* 
    P/P       *  Method: String[] getRoles(HttpServletRequest)
              * 
              *  Presumptions:
              *    init'ed(net.sourceforge.pebble.Constants.BLOG_ADMIN_ROLE)
              *    init'ed(net.sourceforge.pebble.Constants.BLOG_OWNER_ROLE)
              * 
              *  Postconditions:
              *    return_value == &new String[](getRoles#1)
              *    new String[](getRoles#1) num objects == 1
              *    return_value.length == 2
              *    return_value[0] == net.sourceforge.pebble.Constants.BLOG_ADMIN_ROLE
              *    (soft) init'ed(return_value[0])
              *    return_value[1] == net.sourceforge.pebble.Constants.BLOG_OWNER_ROLE
              *    (soft) init'ed(return_value[1])
              */
   137      return new String[]{
   138          Constants.BLOG_ADMIN_ROLE,
   139          Constants.BLOG_OWNER_ROLE
   140      };
   141    }
   142  
   143  }