/* 
    * 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.jetspeed.security.spi.impl;
  
  import java.io.Serializable;
  import java.sql.Date;
  import java.sql.Timestamp;
  import java.util.Arrays;
  
  import org.apache.jetspeed.security.PasswordCredential;
  import org.apache.jetspeed.security.om.InternalCredential;
  
  /***
   * <p>
   * Default Password credential implementation. Provides the same mechanism as J2EE
   * <code>javax.resource.spi.security.PasswordCredential</code>.
   * </p>
   * 
   * <p>
   * Code borrowed from the Geronimo project.
   * </p>
   * 
   * @author <a href="mailto:dlestrat@apache.org">David Le Strat </a>
   */
  public class DefaultPasswordCredentialImpl implements PasswordCredential, Serializable
  {
  
      /*** The default uid. */
      private static final long serialVersionUID = -4975305752376365096L;
  
      /*** The user name. */
      private String userName;
  
      /*** The password. */
      private char[] password;
  
      /*** The update required state */
      private boolean updateRequired;
      
      /*** The enabled state. */
      private boolean enabled = true;
      
      /*** The expired state. */
      private boolean expired;
      
      /*** The expiration date. */
      private Date expirationDate;
      
      /*** The previous authentication in date */
      private Timestamp previousAuthenticationDate;
      
      /*** The last authentication in date */
      private Timestamp lastAuthenticationDate;
      
      /*** The number of authentication failures */
      private int authenticationFailures;
  
      /***
       * @param userName
       * @param password
       */
      public DefaultPasswordCredentialImpl(String userName, char[] password)
      {
          this.userName = userName;
          this.password = (char[]) password.clone();
      }
      
      public DefaultPasswordCredentialImpl(String userName, InternalCredential credential)
      {
          this(userName, credential.getValue().toCharArray());
          this.updateRequired = credential.isUpdateRequired();
          this.enabled = credential.isEnabled();
          this.expired = credential.isExpired();
          this.expirationDate = credential.getExpirationDate();
          this.previousAuthenticationDate = credential.getPreviousAuthenticationDate();
          this.lastAuthenticationDate = credential.getLastAuthenticationDate();
          this.authenticationFailures = credential.getAuthenticationFailures();
      }
      
      /***
       * @return The username.
       */
      public String getUserName()
      {
          return userName;
     }
 
     /***
      * @return The password.
      */
     public char[] getPassword()
     {
         return (char[]) password.clone();
     }
     
     
     /***
      * @see org.apache.jetspeed.security.PasswordCredential#isUpdateRequired()
      */
     public boolean isUpdateRequired()
     {
         return updateRequired;
     }
 
     /***
      * @see org.apache.jetspeed.security.PasswordCredential#isEnabled()
      */
     public boolean isEnabled()
     {
         return enabled;
     }
 
     /***
      * @see org.apache.jetspeed.security.PasswordCredential#isExpired()
      */
     public boolean isExpired()
     {
         return expired;
     }
 
     /***
      * @see org.apache.jetspeed.security.PasswordCredential#getExpirationDate()
      */
     public Date getExpirationDate()
     {
         return expirationDate;
     }
     
     /***
      * @see org.apache.jetspeed.security.PasswordCredential#getPreviousAuthenticationDate()
      */
     public Timestamp getPreviousAuthenticationDate()
     {
         return previousAuthenticationDate;
     }
 
     /***
      * @see org.apache.jetspeed.security.PasswordCredential#getLastAuthenticationDate()
      */
     public Timestamp getLastAuthenticationDate()
     {
         return lastAuthenticationDate;
     }
 
     /*** 
      * @see org.apache.jetspeed.security.PasswordCredential#getAuthenticationFailures()
      */
     public int getAuthenticationFailures()
     {
         return authenticationFailures;
     }
 
     /***
      * @see java.lang.Object#equals(java.lang.Object)
      */
     public boolean equals(Object o)
     {
         if (this == o)
             return true;
         if (!(o instanceof DefaultPasswordCredentialImpl))
             return false;
 
         final DefaultPasswordCredentialImpl credential = (DefaultPasswordCredentialImpl) o;
 
         if (!Arrays.equals(password, credential.password))
             return false;
         if (!userName.equals(credential.userName))
             return false;
 
         return true;
     }
 
     /***
      * @see java.lang.Object#hashCode()
      */
     public int hashCode()
     {
         int result = userName.hashCode();
         for (int i = 0; i < password.length; i++)
         {
             result *= password[i];
         }
         return result;
     }
 }