/* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.ViewResponsesAction$1(ViewResponsesAction, List, Blog)
          * 
          *  Preconditions:
          *    (soft) $anonymous0 != null
          * 
          *  Postconditions:
          *    this.list == $anonymous0
          *    (soft) this.list != null
          *    init'ed(this.maxPages)
          *    this.page == 1
          *    this.pageSize == 10
          *    this.val$blog == Param_3
          *    init'ed(this.val$blog)
          */
     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.domain.BlogService;
    37  import net.sourceforge.pebble.domain.BlogServiceException;
    38  import net.sourceforge.pebble.util.Pageable;
    39  import net.sourceforge.pebble.web.view.View;
    40  import net.sourceforge.pebble.web.view.impl.ResponsesView;
    41  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.ViewResponsesAction()
          */
    42  import javax.servlet.ServletException;
    43  import javax.servlet.http.HttpServletRequest;
    44  import javax.servlet.http.HttpServletResponse;
    45  import java.util.ArrayList;
    46  import java.util.List;
    47  import java.util.Iterator;
    48  
    49  /**
    50   * Allows the user to view all recently added responses.
    51   *
    52   * @author    Simon Brown
    53   */
    54  public class ViewResponsesAction extends SecureAction {
    55  
    56    /** the number of responses to show per page */
    57    static final int PAGE_SIZE = 20;
    58  
    59    /**
    60     * Peforms the processing associated with this action.
    61     *
    62     * @param request  the HttpServletRequest instance
    63     * @param response the HttpServletResponse instance
    64     * @return the name of the next view
    65     */
    66    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
              * 
              *  Presumptions:
              *    java.util.HashMap:get(...)@63 != null
              * 
              *  Postconditions:
              *    return_value == &new ResponsesView(process#5)
              *    new ResponsesView(process#5) num objects == 1
              * 
              *  Test Vectors:
              *    java.lang.String:equalsIgnoreCase(...)@86: {0}, {1}
              *    java.lang.String:equalsIgnoreCase(...)@88: {0}, {1}
              *    java.lang.String:length(...)@76: {1..232-1}, {0}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@69: Inverse{null}, Addr_Set{null}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@74: Addr_Set{null}, Inverse{null}
              */
    67      final Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    68  
    69      String type = request.getParameter("type");
    70      if (type == null) {
    71        type = "approved";
    72      }
    73  
    74      String pageAsString = request.getParameter("page");
    75      int page = 1;
    76      if (pageAsString == null || pageAsString.length() == 0) {
    77        page = 1;
    78      } else {
    79        try {
    80          page = Integer.parseInt(pageAsString);
    81        } catch (NumberFormatException nfe) {
    82        }
    83      }
    84  
    85      List responses = null;
    86      if (type.equalsIgnoreCase("pending")) {
    87        responses = new ArrayList(blog.getPendingResponses());
    88      } else if (type.equalsIgnoreCase("rejected")) {
    89        responses = new ArrayList(blog.getRejectedResponses());
    90      } else {
    91        responses = new ArrayList(blog.getApprovedResponses());
    92      }
    93  
    94      Pageable pageable = new Pageable(responses) {
    95        public List getListForPage() {
                 /* 
    P/P           *  Method: List getListForPage()
                  * 
                  *  Preconditions:
                  *    init'ed(this.endingIndex)
                  *    this.list != null
                  *    init'ed(this.startingIndex)
                  * 
                  *  Presumptions:
                  *    java.util.List:subList(...)@105 != null
                  * 
                  *  Postconditions:
                  *    return_value == &new ArrayList(getListForPage#1)
                  *    new ArrayList(getListForPage#1) num objects == 1
                  * 
                  *  Test Vectors:
                  *    java.util.Iterator:hasNext(...)@99: {1}, {0}
                  */
    96          List responses = new ArrayList();
    97          BlogService service = new BlogService();
    98          Iterator it = super.getListForPage().iterator();
    99          while (it.hasNext()) {
   100            try {
   101              responses.add(service.getResponse(blog, (String)it.next()));
   102            } catch (BlogServiceException e) {
   103              // do nothing - some responses just won't get shown,
   104              // but a message will be sent to the blog
   105            }
   106          }
   107          return responses;
   108        }
   109      };
   110      pageable.setPageSize(PAGE_SIZE);
   111      pageable.setPage(page);
   112      getModel().put("pageable", pageable);
   113  
   114      getModel().put("type", type);
   115  
   116      return new ResponsesView();
   117    }
   118  
   119    /**
   120     * Gets a list of all roles that are allowed to access this action.
   121     *
   122     * @return  an array of Strings representing role names
   123     * @param request
   124     */
   125    public String[] getRoles(HttpServletRequest request) {
             /* 
    P/P       *  Method: String[] getRoles(HttpServletRequest)
              * 
              *  Presumptions:
              *    init'ed(net.sourceforge.pebble.Constants.BLOG_CONTRIBUTOR_ROLE)
              * 
              *  Postconditions:
              *    return_value == &new String[](getRoles#1)
              *    new String[](getRoles#1) num objects == 1
              *    return_value.length == 1
              *    return_value[0] == net.sourceforge.pebble.Constants.BLOG_CONTRIBUTOR_ROLE
              *    (soft) init'ed(return_value[0])
              */
   126      return new String[]{Constants.BLOG_CONTRIBUTOR_ROLE};
   127    }
   128  
   129  }