/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.SaveCategoryAction__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.dao.CategoryDAO;
    36  import net.sourceforge.pebble.dao.DAOFactory;
    37  import net.sourceforge.pebble.dao.PersistenceException;
    38  import net.sourceforge.pebble.domain.Category;
    39  import net.sourceforge.pebble.domain.Blog;
    40  import net.sourceforge.pebble.web.security.RequireSecurityToken;
    41  import net.sourceforge.pebble.web.view.ForwardView;
    42  import net.sourceforge.pebble.web.view.View;
    43  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.SaveCategoryAction()
          */
    44  import javax.servlet.ServletException;
    45  import javax.servlet.http.HttpServletRequest;
    46  import javax.servlet.http.HttpServletResponse;
    47  
    48  /**
    49   * Removes a given category from the associated with the current blog.
    50   *
    51   * @author    Simon Brown
    52   */
    53  @RequireSecurityToken
    54  public class SaveCategoryAction extends SecureAction {
    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
              * 
              *  Presumptions:
              *    java.util.HashMap:get(...)@63 != null
              *    net.sourceforge.pebble.dao.DAOFactory:getCategoryDAO(...)@81 != null
              *    net.sourceforge.pebble.dao.DAOFactory:getCategoryDAO(...)@93 != null
              *    net.sourceforge.pebble.dao.DAOFactory:getConfiguredFactory(...)@80 != null
              *    net.sourceforge.pebble.dao.DAOFactory:getConfiguredFactory(...)@92 != null
              * 
              *  Postconditions:
              *    return_value == &new ForwardView(process#2)
              *    new ForwardView(process#2) num objects == 1
              *    return_value.uri == &".viewCategories.secureaction"
              * 
              *  Test Vectors:
              *    java.lang.String:length(...)@69: {0}, {1..232-1}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@65: Addr_Set{null}, Inverse{null}
              *    net.sourceforge.pebble.domain.Blog:getCategory(...)@70: Inverse{null}, Addr_Set{null}
              */
    64      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    65      String id = request.getParameter("id");
    66      String name = request.getParameter("name");
    67      String tags = request.getParameter("tags");
    68  
    69      if (id != null && id.trim().length() > 0) {
    70        Category category = blog.getCategory(id);
    71        if (category == null) {
    72          // this is a new category
    73          category = new Category();
    74          category.setId(id);
    75          category.setName(name);
    76          blog.addCategory(category);
    77          category.setTags(tags);
    78          try {
    79            // add it to the persistent store
    80            DAOFactory factory = DAOFactory.getConfiguredFactory();
    81            CategoryDAO dao = factory.getCategoryDAO();
    82            dao.addCategory(category, blog);
    83          } catch (PersistenceException pe) {
    84            pe.printStackTrace();
    85          }
    86        } else {
    87          // updating an existing category
    88          category.setName(name);
    89          category.setTags(tags);
    90          try {
    91            // add it to the persistent store
    92            DAOFactory factory = DAOFactory.getConfiguredFactory();
    93            CategoryDAO dao = factory.getCategoryDAO();
    94            dao.updateCategory(category, blog);
    95          } catch (PersistenceException pe) {
    96            pe.printStackTrace();
    97          }
    98        }
    99      }
   100  
   101      return new ForwardView("/viewCategories.secureaction");
   102    }
   103  
   104    /**
   105     * Gets a list of all roles that are allowed to access this action.
   106     *
   107     * @return  an array of Strings representing role names
   108     * @param request
   109     */
   110    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])
              */
   111      return new String[]{Constants.BLOG_CONTRIBUTOR_ROLE};
   112    }
   113  
   114  }