/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.ReplyToBlogEntryAction__static_init
          * 
          *  Postconditions:
          *    init'ed(log)
          */
     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.api.decorator.ContentDecoratorContext;
    36  import net.sourceforge.pebble.domain.*;
    37  import net.sourceforge.pebble.util.CookieUtils;
    38  import net.sourceforge.pebble.util.SecurityUtils;
    39  import net.sourceforge.pebble.web.view.NotFoundView;
    40  import net.sourceforge.pebble.web.view.View;
    41  import net.sourceforge.pebble.web.view.impl.CommentConfirmationView;
    42  import net.sourceforge.pebble.web.view.impl.CommentFormView;
    43  import org.apache.commons.logging.Log;
    44  import org.apache.commons.logging.LogFactory;
    45  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.ReplyToBlogEntryAction()
          */
    46  import javax.servlet.ServletException;
    47  import javax.servlet.http.Cookie;
    48  import javax.servlet.http.HttpServletRequest;
    49  import javax.servlet.http.HttpServletResponse;
    50  
    51  /**
    52   * Allows the user to reply to a specific blog entry.
    53   *
    54   * @author    Simon Brown
    55   */
    56  public class ReplyToBlogEntryAction extends AbstractCommentAction {
    57  
    58    /** the log used for this action */
    59    private static final Log log = LogFactory.getLog(ViewBlogEntryAction.class);
    60  
    61    /**
    62     * Peforms the processing associated with this action.
    63     *
    64     * @param request  the HttpServletRequest instance
    65     * @param response the HttpServletResponse instance
    66     * @return the name of the next view
    67     */
    68    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
              *    (soft) net.sourceforge.pebble.PebbleContext__static_init.new PebbleContext(PebbleContext__static_init#1).configuration != null
              * 
              *  Presumptions:
              *    java.util.HashMap:get(...)@63 != null
              *    javax.servlet.http.HttpServletRequest:getCookies(...).length@97 <= 232-1
              *    javax.servlet.http.HttpServletRequest:getCookies(...)[...]@97 != null
              *    net.sourceforge.pebble.domain.Blog:getContentDecoratorChain(...)@107 != null
              *    net.sourceforge.pebble.domain.Blog:getContentDecoratorChain(...)@115 != null
              * 
              *  Postconditions:
              *    return_value in Addr_Set{&new NotFoundView(process#4),&new CommentFormView(process#7),&new CommentConfirmationView(process#5),&new NotFoundView(process#3)}
              *    new CommentConfirmationView(process#5) num objects <= 1
              *    new CommentFormView(process#7) num objects <= 1
              *    new NotFoundView(process#3) num objects <= 1
              *    new NotFoundView(process#4) num objects <= 1
              * 
              *  Test Vectors:
              *    java.lang.String:length(...)@113: {0}, {1..232-1}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@112: Addr_Set{null}, Inverse{null}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@70: Addr_Set{null}, Inverse{null}
              *    net.sourceforge.pebble.domain.BlogEntry:isCommentsEnabled(...)@90: {1}, {0}
              *    net.sourceforge.pebble.domain.BlogEntry:isPublished(...)@87: {1}, {0}
              */
    69      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    70      String entryId = request.getParameter("entry");
    71  
    72      BlogService service = new BlogService();
    73      BlogEntry blogEntry = null;
    74      if (entryId != null) {
    75        try {
    76          blogEntry = service.getBlogEntry(blog, entryId);
    77        } catch (BlogServiceException e) {
    78          throw new ServletException(e);
    79        }
    80      }
    81  
    82      if (blogEntry == null) {
    83        // the entry cannot be found - it may have been removed or the
    84        // requesting URL was wrong
    85  
    86        return new NotFoundView();
    87      } else if (!blogEntry.isPublished() && !(SecurityUtils.isUserAuthorisedForBlog(blog))) {
    88        // the entry exists, but isn't yet published
    89        return new NotFoundView();
    90      } else if (!blogEntry.isCommentsEnabled()) {
    91        getModel().put(Constants.BLOG_ENTRY_KEY, blogEntry);
    92        return new CommentConfirmationView();
    93      } else {
    94        getModel().put(Constants.BLOG_ENTRY_KEY, blogEntry);
    95  
    96        // is "remember me" set?
    97        Cookie rememberMe = CookieUtils.getCookie(request.getCookies(), "rememberMe");
    98        if (rememberMe != null) {
    99          getModel().put("rememberMe", "true");
   100        }
   101  
   102        ContentDecoratorContext decoratorContext = new ContentDecoratorContext();
   103        decoratorContext.setView(ContentDecoratorContext.DETAIL_VIEW);
   104        decoratorContext.setMedia(ContentDecoratorContext.HTML_PAGE);
   105        Comment comment = createBlankComment(blog, blogEntry, request);
   106        Comment decoratedComment = (Comment)comment.clone();
   107        blog.getContentDecoratorChain().decorate(decoratorContext, decoratedComment);
   108        getModel().put("decoratedComment", decoratedComment);
   109        getModel().put("undecoratedComment", comment);
   110  
   111        // are we replying to an existing comment?
   112        String parentCommentId = request.getParameter("comment");
   113        if (parentCommentId != null && parentCommentId.length() > 0) {
   114          Comment parentComment = blogEntry.getComment(Long.parseLong(parentCommentId));
   115          blog.getContentDecoratorChain().decorate(decoratorContext, parentComment);
   116          getModel().put("parentComment", parentComment);
   117        }
   118  
   119        return new CommentFormView();
   120      }
   121    }
   122  
   123  }