/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.SubscribeAction__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.util.StringUtils;
    37  import net.sourceforge.pebble.web.view.View;
    38  import net.sourceforge.pebble.web.view.impl.SubscribeView;
    39  import net.sourceforge.pebble.web.view.impl.SubscribedView;
    40  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.SubscribeAction()
          */
    41  import javax.servlet.ServletException;
    42  import javax.servlet.http.HttpServletRequest;
    43  import javax.servlet.http.HttpServletResponse;
    44  
    45  /**
    46   * Allows the user to see all feeds for the current blog, and subscribe
    47   * via e-mail updates.
    48   *
    49   * @author    Simon Brown
    50   */
    51  public class SubscribeAction extends Action {
    52  
    53    /**
    54     * Peforms the processing associated with this action.
    55     *
    56     * @param request  the HttpServletRequest instance
    57     * @param response the HttpServletResponse instance
    58     * @return the name of the next view
    59     */
    60    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
              *    net.sourceforge.pebble.domain.Blog:getEmailSubscriptionList(...)@65 != null
              * 
              *  Postconditions:
              *    return_value in Addr_Set{&new SubscribedView(process#2),&new SubscribeView(process#3)}
              *    new SubscribeView(process#3) num objects <= 1
              *    new SubscribedView(process#2) num objects <= 1
              * 
              *  Test Vectors:
              *    java.lang.String:length(...)@64: {0}, {1..232-1}
              */
    61      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    62      String email = request.getParameter("email");
    63      email = StringUtils.filterHTML(email);
    64      if (email != null && email.length() > 0) {
    65        blog.getEmailSubscriptionList().addEmailAddress(email);
    66        blog.info(email + " has subscribed to this blog.");
    67  
    68        getModel().put("email", email);
    69        return new SubscribedView();
    70      }
    71  
    72      return new SubscribeView();
    73    }
    74  
    75  }