/* 
    P/P   *  Method: net.sourceforge.pebble.web.view.NotModifiedView__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.view;
    33  
    34  import net.sourceforge.pebble.domain.AbstractBlog;
    35  import net.sourceforge.pebble.Constants;
    36  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.view.NotModifiedView()
          */
    37  import javax.servlet.ServletContext;
    38  import javax.servlet.ServletException;
    39  import javax.servlet.http.HttpServletRequest;
    40  import javax.servlet.http.HttpServletResponse;
    41  
    42  /**
    43   * Represents a 304 (not modified).
    44   *
    45   * @author    Simon Brown
    46   */
    47  public class NotModifiedView extends View {
    48  
    49    /**
    50     * Gets the title of this view.
    51     *
    52     * @return the title as a String
    53     */
           /* 
    P/P     *  Method: String getContentType()
            * 
            *  Postconditions:
            *    return_value == null
            */
    54    public String getContentType() {
    55      return null;
    56    }
    57  
    58    /**
    59     * Dispatches this view.
    60     *
    61     * @param request  the HttpServletRequest instance
    62     * @param response the HttpServletResponse instance
    63     * @param context  the ServletContext instance
    64     */
    65    public void dispatch(HttpServletRequest request, HttpServletResponse response, ServletContext context) throws ServletException {
             /* 
    P/P       *  Method: void dispatch(HttpServletRequest, HttpServletResponse, ServletContext)
              * 
              *  Preconditions:
              *    response != null
              * 
              *  Presumptions:
              *    net.sourceforge.pebble.web.model.Model:get(...)@68 != null
              *    net.sourceforge.pebble.web.view.NotModifiedView:getModel(...)@68 != null
              */
    66      response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
    67  
    68      AbstractBlog blog = (AbstractBlog)getModel().get(Constants.BLOG_KEY);
    69      blog.log(request, HttpServletResponse.SC_NOT_MODIFIED);
    70    }
    71  
    72  }