/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.ViewBlogEntryAction__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.api.decorator.ContentDecoratorContext;
    36  import net.sourceforge.pebble.util.SecurityUtils;
    37  import net.sourceforge.pebble.util.CookieUtils;
    38  import net.sourceforge.pebble.domain.*;
    39  import net.sourceforge.pebble.web.view.NotFoundView;
    40  import net.sourceforge.pebble.web.view.View;
    41  import net.sourceforge.pebble.web.view.impl.BlogEntryView;
    42  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.ViewBlogEntryAction()
          */
    43  import javax.servlet.ServletException;
    44  import javax.servlet.http.HttpServletRequest;
    45  import javax.servlet.http.HttpServletResponse;
    46  import javax.servlet.http.Cookie;
    47  
    48  /**
    49   * Finds a particular blog entry, ready to be displayed.
    50   *
    51   * @author    Simon Brown
    52   */
    53  public class ViewBlogEntryAction extends AbstractCommentAction {
    54  
    55    /**
    56     * Peforms the processing associated with this action.
    57     *
    58     * @param request  the HttpServletRequest instance
    59     * @param response the HttpServletResponse instance
    60     * @return the name of the next view
    61     */
    62    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@91 <= 232-1
              *    javax.servlet.http.HttpServletRequest:getCookies(...)[...]@91 != null
              *    net.sourceforge.pebble.domain.Blog:getBlogForDay(...)@86 != null
              *    net.sourceforge.pebble.domain.Blog:getContentDecoratorChain(...)@101 != null
              * 
              *  Postconditions:
              *    return_value in Addr_Set{&new NotFoundView(process#4),&new BlogEntryView(process#6),&new NotFoundView(process#3)}
              *    new BlogEntryView(process#6) num objects <= 1
              *    new NotFoundView(process#3) num objects <= 1
              *    new NotFoundView(process#4) num objects <= 1
              * 
              *  Test Vectors:
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@64: Addr_Set{null}, Inverse{null}
              *    net.sourceforge.pebble.domain.BlogEntry:isPublished(...)@81: {1}, {0}
              */
    63      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    64      String entryId = request.getParameter("entry");
    65  
    66      BlogEntry blogEntry = null;
    67      if (entryId != null) {
    68        BlogService service = new BlogService();
    69        try {
    70          blogEntry = service.getBlogEntry(blog, entryId);
    71        } catch (BlogServiceException e) {
    72          throw new ServletException(e);
    73        }
    74      }
    75  
    76      if (blogEntry == null) {
    77        // the entry cannot be found - it may have been removed or the
    78        // requesting URL was wrong
    79  
    80        return new NotFoundView();
    81      } else if (!blogEntry.isPublished() && !(SecurityUtils.isUserAuthorisedForBlog(blog))) {
    82        // the entry exists, but isn't yet published
    83        return new NotFoundView();
    84      } else {
    85        getModel().put(Constants.BLOG_ENTRY_KEY, blogEntry);
    86        getModel().put(Constants.MONTHLY_BLOG, blog.getBlogForDay(blogEntry.getDate()).getMonth());
    87        getModel().put("displayMode", "detail");
    88  
    89  
    90        // is "remember me" set?
    91        Cookie rememberMe = CookieUtils.getCookie(request.getCookies(), "rememberMe");
    92        if (rememberMe != null) {
    93          getModel().put("rememberMe", "true");
    94        }
    95  
    96        ContentDecoratorContext decoratorContext = new ContentDecoratorContext();
    97        decoratorContext.setView(ContentDecoratorContext.DETAIL_VIEW);
    98        decoratorContext.setMedia(ContentDecoratorContext.HTML_PAGE);
    99        Comment comment = createBlankComment(blog, blogEntry, request);
   100        Comment decoratedComment = (Comment)comment.clone();
   101        blog.getContentDecoratorChain().decorate(decoratorContext, decoratedComment);
   102        getModel().put("decoratedComment", decoratedComment);
   103        getModel().put("undecoratedComment", comment);
   104  
   105        return new BlogEntryView();
   106      }
   107    }
   108  
   109  }