/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.AddBlogEntryAction__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.domain.*;
    36  import net.sourceforge.pebble.util.SecurityUtils;
    37  import net.sourceforge.pebble.web.view.View;
    38  import net.sourceforge.pebble.web.view.impl.BlogEntryFormView;
    39  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.AddBlogEntryAction()
          */
    40  import javax.servlet.ServletException;
    41  import javax.servlet.http.HttpServletRequest;
    42  import javax.servlet.http.HttpServletResponse;
    43  import java.util.Iterator;
    44  
    45  /**
    46   * Adds a new blog entry. This is called to create a blank blog entry
    47   * to populate a HTML form containing the contents of that entry.
    48   *
    49   * @author    Simon Brown
    50   */
    51  public class AddBlogEntryAction extends SecureAction {
    52  
    53    /**
    54     * Peforms the processing associated with this action.
    55     *
    56     * @param request  the HttpServletRequest instance
    57     * @param response the HttpServletResponse instance
    58     * @return the name of the next view
    59     */
    60    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:
              *    net.sourceforge.pebble.domain.BlogEntry:getCategories(...)@85 != null
              * 
              *  Postconditions:
              *    return_value == &new BlogEntryFormView(process#4)
              *    new BlogEntryFormView(process#4) num objects == 1
              * 
              *  Test Vectors:
              *    java.lang.String:length(...)@65: {0}, {1..232-1}
              *    java.util.Iterator:hasNext(...)@86: {1}, {0}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@64: Addr_Set{null}, Inverse{null}
              */
    61      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    62      BlogEntry blogEntryToClone = null;
    63  
    64      String entryToClone = request.getParameter("entryToClone");
    65      if (entryToClone != null && entryToClone.length() > 0) {
    66        BlogService service = new BlogService();
    67        try {
    68          blogEntryToClone = service.getBlogEntry(blog, entryToClone);
    69        } catch (BlogServiceException e) {
    70          throw new ServletException(e);
    71        }
    72      }
    73      
    74      BlogEntry entry = new BlogEntry(blog);
    75      if (blogEntryToClone != null) {
    76        entry.setTitle(blogEntryToClone.getTitle());
    77        entry.setSubtitle(blogEntryToClone.getSubtitle());
    78        entry.setBody(blogEntryToClone.getBody());
    79        entry.setExcerpt(blogEntryToClone.getExcerpt());      
    80        entry.setTimeZoneId(blogEntryToClone.getTimeZoneId());
    81        entry.setCommentsEnabled(blogEntryToClone.isCommentsEnabled());
    82        entry.setTrackBacksEnabled(blogEntryToClone.isTrackBacksEnabled());
    83  
    84        // copy the categories
    85        Iterator it = blogEntryToClone.getCategories().iterator();
    86        while (it.hasNext()) {
    87          entry.addCategory((Category)it.next());
    88        }
    89  
    90        entry.setTags(blogEntryToClone.getTags());
    91      } else {
    92        entry.setTitle("Title");
    93        entry.setBody("<p>\n\n</p>");
    94      }
    95  
    96      entry.setAuthor(SecurityUtils.getUsername());
    97  
    98      getModel().put(Constants.BLOG_ENTRY_KEY, entry);
    99  
   100      return new BlogEntryFormView();
   101    }
   102  
   103    /**
   104     * Gets a list of all roles that are allowed to access this action.
   105     *
   106     * @return  an array of Strings representing role names
   107     * @param request
   108     */
   109    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])
              */
   110      return new String[]{Constants.BLOG_CONTRIBUTOR_ROLE};
   111    }
   112  
   113  }