/*
    * 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 javax.faces.context.FacesContext;
  import javax.faces.lifecycle.Lifecycle;
  import java.util.EventObject;
  
  /**
   * see Javadoc of <a href="http://java.sun.com/javaee/javaserverfaces/1.2/docs/api/index.html">JSF Specification</a>
   */
  public class PhaseEvent extends EventObject
  {
      private static final long serialVersionUID = -7235692965954486239L;
      // FIELDS
      private FacesContext _facesContext;
      private PhaseId _phaseId;
  
      // CONSTRUCTORS
      public PhaseEvent(FacesContext facesContext, PhaseId phaseId, Lifecycle lifecycle)
      {
          super(lifecycle);
          if (facesContext == null)
          {
              throw new NullPointerException("facesContext");
          }
          if (phaseId == null)
          {
              throw new NullPointerException("phaseId");
          }
          if (lifecycle == null)
          {
              throw new NullPointerException("lifecycle");
          }
  
          _facesContext = facesContext;
          _phaseId = phaseId;
      }
  
      // METHODS
      public FacesContext getFacesContext()
      {
          return _facesContext;
      }
  
      public PhaseId getPhaseId()
      {
          return _phaseId;
      }
  
      @Override
      public int hashCode()
      {
          int prime = 31;
          int result = 1;
          result = prime * result + ((source == null) ? 0 : source.hashCode());
          result = prime * result + ((_facesContext == null) ? 0 : _facesContext.hashCode());
          result = prime * result + ((_phaseId == null) ? 0 : _phaseId.hashCode());
          return result;
      }
  
      @Override
      public boolean equals(Object obj)
      {
          if (this == obj)
          {
              return true;
          }
          if (obj == null)
          {
              return false;
          }
          if (getClass() != obj.getClass())
          {
              return false;
          }
          PhaseEvent other = (PhaseEvent) obj;
          if (source == null)
          {
              if (other.source != null)
              {
                  return false;
              }
         }
         else if (!source.equals(other.source))
         {
             return false;
         }
         if (_facesContext == null)
         {
             if (other._facesContext != null)
             {
                 return false;
             }
         }
         else if (!_facesContext.equals(other._facesContext))
         {
             return false;
         }
         if (_phaseId == null)
         {
             if (other._phaseId != null)
             {
                 return false;
             }
         }
         else if (!_phaseId.equals(other._phaseId))
         {
             return false;
         }
         return true;
     }
 
 }