/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.ManageBlogEntriesAction__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.domain.Blog;
    36  import net.sourceforge.pebble.domain.BlogEntry;
    37  import net.sourceforge.pebble.domain.BlogService;
    38  import net.sourceforge.pebble.domain.BlogServiceException;
    39  import net.sourceforge.pebble.util.StringUtils;
    40  import net.sourceforge.pebble.web.security.RequireSecurityToken;
    41  import net.sourceforge.pebble.web.view.RedirectView;
    42  import net.sourceforge.pebble.web.view.View;
    43  import org.apache.commons.logging.Log;
    44  import org.apache.commons.logging.LogFactory;
    45  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.ManageBlogEntriesAction()
          */
    46  import javax.servlet.ServletException;
    47  import javax.servlet.http.HttpServletRequest;
    48  import javax.servlet.http.HttpServletResponse;
    49  
    50  /**
    51   * Allows the user to manage (currently only remove) one or more blog entries.
    52   *
    53   * @author    Simon Brown
    54   */
    55  @RequireSecurityToken
    56  public class ManageBlogEntriesAction extends SecureAction {
    57  
    58    /** the log used by this class */
    59    private static final Log log = LogFactory.getLog(ManageBlogEntriesAction.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
              * 
              *  Presumptions:
              *    ids.length@70 <= 232-1
              *    java.util.HashMap:get(...)@63 != null
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@71 != null
              * 
              *  Postconditions:
              *    return_value in Addr_Set{&new RedirectView(process#7),&new RedirectView(process#8)}
              *    new RedirectView(process#7) num objects <= 1
              *    new RedirectView(process#8) num objects <= 1
              * 
              *  Test Vectors:
              *    java.lang.String:equals(...)@91: {0}, {1}
              *    java.lang.String:equalsIgnoreCase(...)@84: {0}, {1}
              *    java.lang.String:length(...)@107: {0}, {1..232-1}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@106: Addr_Set{null}, Inverse{null}
              *    javax.servlet.http.HttpServletRequest:getParameterValues(...)@70: Addr_Set{null}, Inverse{null}
              *    net.sourceforge.pebble.domain.BlogService:getBlogEntry(...)@78: Addr_Set{null}, Inverse{null}
              */
    69      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    70      String ids[] = request.getParameterValues("entry");
    71      String submit = request.getParameter("submit");
    72  
    73      if (ids != null) {
    74        for (String id : ids) {
    75          BlogService service = new BlogService();
    76          BlogEntry blogEntry = null;
    77          try {
    78            blogEntry = service.getBlogEntry(blog, id);
    79          } catch (BlogServiceException e) {
    80            throw new ServletException(e);
    81          }
    82  
    83          if (blogEntry != null) {
    84            if (submit.equalsIgnoreCase("Remove")) {
    85              try {
    86                service.removeBlogEntry(blogEntry);
    87                blog.info("Blog entry \"" + StringUtils.transformHTML(blogEntry.getTitle()) + "\" removed.");
    88              } catch (BlogServiceException be) {
    89                throw new ServletException(be);
    90              }
    91            } else if (submit.equals("Publish")) {
    92              // this publishes the entry as-is (i.e. with the same
    93              // date/time it already has)
    94              try {
    95                blogEntry.setPublished(true);
    96                service.putBlogEntry(blogEntry);
    97                blog.info("Blog entry <a href=\"" + blogEntry.getLocalPermalink() + "\">" + blogEntry.getTitle() + "</a> published.");
    98              } catch (BlogServiceException be) {
    99                throw new ServletException(be);
   100              }
   101            }
   102          }
   103        }
   104      }
   105  
   106      String redirectUrl = request.getParameter("redirectUrl");
   107      if (redirectUrl != null && redirectUrl.trim().length() > 0) {
   108        return new RedirectView(redirectUrl);
   109      } else {
   110        return new RedirectView(blog.getUrl());
   111      }
   112    }
   113  
   114    /**
   115     * Gets a list of all roles that are allowed to access this action.
   116     *
   117     * @return  an array of Strings representing role names
   118     * @param request
   119     */
   120    public String[] getRoles(HttpServletRequest request) {
             /* 
    P/P       *  Method: String[] getRoles(HttpServletRequest)
              * 
              *  Preconditions:
              *    request != null
              * 
              *  Presumptions:
              *    init'ed(net.sourceforge.pebble.Constants.BLOG_CONTRIBUTOR_ROLE)
              *    init'ed(net.sourceforge.pebble.Constants.BLOG_OWNER_ROLE)
              *    init'ed(net.sourceforge.pebble.Constants.BLOG_PUBLISHER_ROLE)
              * 
              *  Postconditions:
              *    return_value in Addr_Set{&new String[](getRoles#2),&new String[](getRoles#1),&new String[](getRoles#3)}
              *    new String[](getRoles#1) num objects <= 1
              *    new String[](getRoles#1).length == 1
              *    new String[](getRoles#1)[0] == net.sourceforge.pebble.Constants.BLOG_CONTRIBUTOR_ROLE
              *    (soft) init'ed(new String[](getRoles#1)[0])
              *    new String[](getRoles#2) num objects <= 1
              *    new String[](getRoles#2).length == 1
              *    new String[](getRoles#2)[0] == net.sourceforge.pebble.Constants.BLOG_PUBLISHER_ROLE
              *    (soft) init'ed(new String[](getRoles#2)[0])
              *    new String[](getRoles#3) num objects <= 1
              *    ...
              * 
              *  Test Vectors:
              *    java.lang.String:equalsIgnoreCase(...)@124: {0}, {1}
              *    java.lang.String:equalsIgnoreCase(...)@126: {0}, {1}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@121: Addr_Set{null}, Inverse{null}
              */
   121      String submit = request.getParameter("submit");
   122  
   123      if (submit != null) {
   124        if (submit.equalsIgnoreCase("Remove")) {
   125          return new String[]{Constants.BLOG_CONTRIBUTOR_ROLE};
   126        } else if (submit.equalsIgnoreCase("Publish")) {
   127          return new String[]{Constants.BLOG_PUBLISHER_ROLE};
   128        }
   129      }
   130  
   131      // default back to blog owner role
   132      return new String[]{Constants.BLOG_OWNER_ROLE};
   133    }
   134  
   135  }