/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.ViewStaticPageAction__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.Blog;
    36  import net.sourceforge.pebble.domain.StaticPage;
    37  import net.sourceforge.pebble.service.StaticPageService;
    38  import net.sourceforge.pebble.service.StaticPageServiceException;
    39  import net.sourceforge.pebble.web.view.NotFoundView;
    40  import net.sourceforge.pebble.web.view.View;
    41  import net.sourceforge.pebble.web.view.impl.StaticPageView;
    42  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.ViewStaticPageAction()
          */
    43  import javax.servlet.ServletException;
    44  import javax.servlet.http.HttpServletRequest;
    45  import javax.servlet.http.HttpServletResponse;
    46  
    47  /**
    48   * Finds a particular static page by its name, ready to be displayed.
    49   *
    50   * @author    Simon Brown
    51   */
    52  public class ViewStaticPageAction extends Action {
    53  
    54    /**
    55     * Peforms the processing associated with this action.
    56     *
    57     * @param request  the HttpServletRequest instance
    58     * @param response the HttpServletResponse instance
    59     * @return the name of the next view
    60     */
    61    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
              * 
              *  Postconditions:
              *    return_value in Addr_Set{&new StaticPageView(process#4),&new NotFoundView(process#3)}
              *    new NotFoundView(process#3) num objects <= 1
              *    new StaticPageView(process#4) num objects <= 1
              */
    62      StaticPageService service = new StaticPageService();
    63      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    64      String name = request.getParameter("name");
    65  
    66      StaticPage staticPage;
    67      try {
    68        staticPage = service.getStaticPageByName(blog, name);
    69      } catch (StaticPageServiceException e) {
    70        throw new ServletException(e);
    71      }
    72      if (staticPage == null) {
    73        // the page cannot be found - it may have been removed or the
    74        // requesting URL was wrong
    75        return new NotFoundView();
    76      } else {
    77        getModel().put(Constants.STATIC_PAGE_KEY, staticPage);
    78        getModel().put(Constants.MONTHLY_BLOG, blog.getBlogForThisMonth());
    79        getModel().put("displayMode", "detail");
    80  
    81        return new StaticPageView();
    82      }
    83    }
    84  
    85  }