/*
    * 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 javax.faces.event;
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import javax.faces.component.UIComponent;
  import javax.faces.context.FacesContext;
  
  /**
   * @since 2.0
   */
  public class ExceptionQueuedEventContext implements SystemEventListenerHolder
  {
      // TODO: -=Leonardo Uribe=- This type of constants should be the same 
      // for ri and myfaces, to keep binary compatibility and pass TCK test.
      public static final String IN_AFTER_PHASE_KEY = ExceptionQueuedEventContext.class.getName() + ".IN_AFTER_PHASE";
      public static final String IN_BEFORE_PHASE_KEY = ExceptionQueuedEventContext.class.getName() + ".IN_BEFORE_PHASE";
      
      private Map<Object, Object> _attributes;
      private UIComponent _component;
      private FacesContext _context;
      private PhaseId _phase;
      private Throwable _thrown;
  
      public ExceptionQueuedEventContext(FacesContext context, Throwable thrown)
      {
          this(context, thrown, null);
      }
  
      public ExceptionQueuedEventContext(FacesContext context, Throwable thrown, UIComponent component)
      {
          this(context, thrown, component, null);
      }
  
      public ExceptionQueuedEventContext(FacesContext context, Throwable thrown, UIComponent component, PhaseId phaseId)
      {
          _context = context;
          _thrown = thrown;
          _component = component;
          _phase = (phaseId == null ? context.getCurrentPhaseId() : phaseId);
      }
      
      public Map<Object,Object> getAttributes()
      {
          if (_attributes == null)
          {
              _attributes = new HashMap<Object, Object>();
          }
          
          return _attributes;
      }
      
      public UIComponent getComponent()
      {
          return _component;
      }
      
      public FacesContext getContext()
      {
          return _context;
      }
      
      public Throwable getException()
      {
          return _thrown;
      }
  
      /**
       * {@inheritDoc}
       */
      public List<SystemEventListener> getListenersForEventClass(Class<? extends SystemEvent> facesEventClass)
      {
          return Collections.singletonList((SystemEventListener)getContext().getExceptionHandler());
      }
      
      public PhaseId getPhaseId()
      {
          return _phase;
      }
     
     public boolean inAfterPhase()
     {
         return (_attributes != null && _attributes.containsKey(IN_AFTER_PHASE_KEY));
     }
     
     public boolean inBeforePhase()
     {
         return (_attributes != null && _attributes.containsKey(IN_BEFORE_PHASE_KEY));
     }
 }