/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.RemoveEmailAddressAction__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.*;
    36  import net.sourceforge.pebble.web.security.RequireSecurityToken;
    37  import net.sourceforge.pebble.web.view.View;
    38  import net.sourceforge.pebble.web.view.NotFoundView;
    39  import net.sourceforge.pebble.web.view.impl.RemoveEmailAddressConfirmationView;
    40  import net.sourceforge.pebble.web.view.impl.RemoveEmailAddressView;
    41  import org.apache.commons.logging.Log;
    42  import org.apache.commons.logging.LogFactory;
    43  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.RemoveEmailAddressAction()
          */
    44  import javax.servlet.ServletException;
    45  import javax.servlet.http.HttpServletRequest;
    46  import javax.servlet.http.HttpServletResponse;
    47  import java.util.Iterator;
    48  
    49  /**
    50   * Adds a comment to an existing blog entry.
    51   *
    52   * @author    Simon Brown
    53   */
    54  @RequireSecurityToken
    55  public class RemoveEmailAddressAction extends Action {
    56  
    57    /** the log used by this class */
    58    private static Log log = LogFactory.getLog(RemoveEmailAddressAction.class);
    59  
    60    /**
    61     * Peforms the processing associated with this action.
    62     *
    63     * @param request  the HttpServletRequest instance
    64     * @param response the HttpServletResponse instance
    65     * @return the name of the next view
    66     */
    67    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.Iterator:next(...)@91 != null
              *    net.sourceforge.pebble.domain.BlogEntry:getComments(...)@89 != null
              *    net.sourceforge.pebble.domain.Comment:getEmail(...)@93 != null
              * 
              *  Postconditions:
              *    return_value in Addr_Set{&new RemoveEmailAddressConfirmationView(process#5),&new RemoveEmailAddressView(process#6),&new NotFoundView(process#3)}
              *    new NotFoundView(process#3) num objects <= 1
              *    new RemoveEmailAddressConfirmationView(process#5) num objects <= 1
              *    new RemoveEmailAddressView(process#6) num objects <= 1
              * 
              *  Test Vectors:
              *    java.lang.String:equals(...)@93: {0}, {1}
              *    java.lang.String:length(...)@87: {0}, {1..232-1}
              *    java.util.Iterator:hasNext(...)@90: {1}, {0}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@73: Addr_Set{null}, Inverse{null}
              *    net.sourceforge.pebble.domain.BlogService:getBlogEntry(...)@77: Inverse{null}, Addr_Set{null}
              *    net.sourceforge.pebble.domain.Comment:getEmail(...)@93: Addr_Set{null}, Inverse{null}
              */
    68      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    69      BlogEntry blogEntry = null;
    70      Comment comment = null;
    71  
    72      String entry = request.getParameter("entry");
    73      String email = request.getParameter("email");
    74  
    75      BlogService service = new BlogService();
    76      try {
    77        blogEntry = service.getBlogEntry(blog, entry);
    78      } catch (BlogServiceException e) {
    79        throw new ServletException(e);
    80      }
    81      if (blogEntry == null) {
    82        return new NotFoundView();
    83      }
    84  
    85      getModel().put(Constants.BLOG_ENTRY_KEY, blogEntry);
    86      
    87      if (email != null && email.length() > 0) {
    88  
    89        Iterator it = blogEntry.getComments().iterator();
    90        while (it.hasNext()) {
    91          comment = (Comment)it.next();
    92  
    93          if (comment.getEmail() != null && comment.getEmail().equals(email)) {
    94            comment.setEmail(null);
    95          }
    96        }
    97  
    98        try {
    99          service.putBlogEntry(blogEntry);
   100        } catch (BlogServiceException be) {
   101          log.error(be.getMessage(), be);
   102          throw new ServletException(be);
   103        }
   104  
   105        return new RemoveEmailAddressConfirmationView();
   106      } else {
   107        return new RemoveEmailAddressView();
   108      }
   109    }
   110  }