/*
    * $Id$
    *
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  
  package org.apache.struts.webapp.example2;
  
  
  import java.io.IOException;
  
  import org.apache.struts.apps.mailreader.dao.Subscription;
  import org.apache.struts.apps.mailreader.dao.User;
  
  import jakarta.enterprise.context.RequestScoped;
  import jakarta.faces.FacesException;
  import jakarta.faces.context.FacesContext;
  import jakarta.inject.Named;
  
  
  /**
   * <p>Backing bean for the <code>registration.jsp</code> page.</p>
   */
  
  @Named
  @RequestScoped
  public class RegistrationBacking {
  
  
      // -------------------------------------------------------------- Properties
  
  
      // These methods exist to work around a bug in the PFD version of the
      // rendering for <h:data_table> that disallows constant values on
      // per-row command and output components
      public String getDeleteLabel() { return ("Delete"); }
      public String getEditLabel() { return ("Edit"); }
  
  
      // ----------------------------------------------------------------- Actions
  
  
      /**
       * <p>Create a new subscription.</p>
       */
      public String create() {
  
          FacesContext context = FacesContext.getCurrentInstance();
          StringBuilder url = base(context);
          url.append("?action=Create");
          url.append("&username=");
          User user = (User)
              context.getExternalContext().getSessionMap().get("user");
          url.append(user.getUsername());
          forward(context, url.toString());
          return (null);
  
      }
  
  
      /**
       * <p>Delete an existing subscription.</p>
       */
      public String delete() {
  
          FacesContext context = FacesContext.getCurrentInstance();
          StringBuilder url = base(context);
          url.append("?action=Delete");
          url.append("&username=");
          User user = (User)
              context.getExternalContext().getSessionMap().get("user");
          url.append(user.getUsername());
          url.append("&host=");
          Subscription subscription = (Subscription)
              context.getExternalContext().getRequestMap().get("subscription");
          url.append(subscription.getHost());
          forward(context, url.toString());
          return (null);
  
      }
  
  
      /**
      * <p>Edit an existing subscription.</p>
      */
     public String edit() {
 
         FacesContext context = FacesContext.getCurrentInstance();
         StringBuilder url = base(context);
         url.append("?action=Edit");
         url.append("&username=");
         User user = (User)
             context.getExternalContext().getSessionMap().get("user");
         url.append(user.getUsername());
         url.append("&host=");
         Subscription subscription = (Subscription)
             context.getExternalContext().getRequestMap().get("subscription");
         url.append(subscription.getHost());
         forward(context, url.toString());
         return (null);
 
     }
 
 
     // --------------------------------------------------------- Private Methods
 
 
     /**
      * <p>Return the context relative base URL for the "edit subscriptions"
      * action.</p>
      *
      * @param context <code>FacesContext</code> for the current request
      */
     private StringBuilder base(FacesContext context) {
 
         // FIXME - assumes extension mapping for Struts
         return (new StringBuilder("/editSubscription.do"));
 
     }
 
 
     /**
      * <p>Forward to the specified URL and mark this response as having
      * been completed.</p>
      *
      * @param context <code>FacesContext</code> for the current request
      * @param url Context-relative URL to forward to
      *
      * @exception FacesException if any error occurs
      */
     private void forward(FacesContext context, String url) {
 
         try {
             context.getExternalContext().dispatch(url);
         } catch (IOException e) {
             throw new FacesException(e);
         } finally {
             context.responseComplete();
         }
 
     }
 
 
 }