/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.SavePebblePropertiesAction__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.AbstractBlog;
    36  import net.sourceforge.pebble.domain.BlogServiceException;
    37  import net.sourceforge.pebble.web.security.RequireSecurityToken;
    38  import net.sourceforge.pebble.web.view.RedirectView;
    39  import net.sourceforge.pebble.web.view.View;
    40  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.SavePebblePropertiesAction()
          */
    41  import javax.servlet.ServletException;
    42  import javax.servlet.http.HttpServletRequest;
    43  import javax.servlet.http.HttpServletResponse;
    44  import java.util.Enumeration;
    45  
    46  /**
    47   * Saves the properties associated with the Pebble instance.
    48   *
    49   * @author    Simon Brown
    50   */
    51  @RequireSecurityToken
    52  public class SavePebblePropertiesAction extends SecureAction {
    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.Enumeration:nextElement(...)@68 != null
              *    java.util.HashMap:get(...)@63 != null
              *    javax.servlet.http.HttpServletRequest:getParameterNames(...)@66 != null
              * 
              *  Postconditions:
              *    return_value == &new RedirectView(process#2)
              *    new RedirectView(process#2) num objects == 1
              * 
              *  Test Vectors:
              *    java.lang.String:equals(...)@71: {1}, {0}
              *    java.lang.String:length(...)@65: {0}, {1..232-1}
              *    java.lang.String:length(...)@75: {1..232-1}, {0}
              *    java.util.Enumeration:hasMoreElements(...)@67: {1}, {0}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@64: Addr_Set{null}, Inverse{null}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@69: Addr_Set{null}, Inverse{null}
              */
    62      AbstractBlog blog = (AbstractBlog)getModel().get(Constants.BLOG_KEY);
    63  
    64      String submit = request.getParameter("submit");
    65      if (submit != null && submit.length() > 0) {
    66        Enumeration params = request.getParameterNames();
    67        while (params.hasMoreElements()) {
    68          String key = (String)params.nextElement();
    69          String value = request.getParameter(key);
    70  
    71          if (key.equals("submit")) {
    72            // this is the parameter representing the submit button - do nothing
    73          } else {
    74            // this is an existing parameter - save or remove it
    75            if (value == null || value.length() == 0) {
    76              blog.removeProperty(key);
    77            } else {
    78              blog.setProperty(key, value);
    79            }
    80          }
    81        }
    82  
    83        try {
    84          blog.storeProperties();
    85        } catch (BlogServiceException e) {
    86          throw new ServletException(e);
    87        }
    88  
    89      }
    90  
    91      return new RedirectView(blog.getUrl() + "viewPebbleProperties.secureaction");
    92    }
    93  
    94    /**
    95     * Gets a list of all roles that are allowed to access this action.
    96     *
    97     * @return  an array of Strings representing role names
    98     * @param request
    99     */
   100    public String[] getRoles(HttpServletRequest request) {
             /* 
    P/P       *  Method: String[] getRoles(HttpServletRequest)
              * 
              *  Presumptions:
              *    init'ed(net.sourceforge.pebble.Constants.BLOG_ADMIN_ROLE)
              * 
              *  Postconditions:
              *    return_value == &new String[](getRoles#1)
              *    new String[](getRoles#1) num objects == 1
              *    return_value.length == 1
              *    return_value[0] == net.sourceforge.pebble.Constants.BLOG_ADMIN_ROLE
              *    (soft) init'ed(return_value[0])
              */
   101      return new String[]{Constants.BLOG_ADMIN_ROLE};
   102    }
   103  
   104  }