/*
    * 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.myfaces.lifecycle;
  
  import java.util.ArrayList;
  import java.util.List;
  import javax.faces.context.FacesContext;
  import javax.faces.event.PhaseEvent;
  import javax.faces.event.PhaseId;
  import javax.faces.event.PhaseListener;
  
  /**
   *
   * @author lu4242
   */
  public class DummyPhaseListenerA implements PhaseListener
  {
  
      @Override
      public void afterPhase(PhaseEvent event)
      {
          getMsgList(event.getFacesContext()).add("DummyPhaseListenerA afterPhase");
      }
  
      @Override
      public void beforePhase(PhaseEvent event)
      {
          getMsgList(event.getFacesContext()).add("DummyPhaseListenerA beforePhase");
      }
  
      @Override
      public PhaseId getPhaseId()
      {
          return PhaseId.RENDER_RESPONSE;
      }
  
      public static List<String> getMsgList(FacesContext facesContext)
      {
          List<String> list = (List<String>) facesContext.getAttributes().get("msgList");
          if (list == null)
          {
              list = new ArrayList<String>();
              facesContext.getAttributes().put("msgList", list);
          }
          return list;
      }
  }