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The UnboundID LDAP SDK for Java is a fast, comprehensive, and easy-to-use Java API for communicating with LDAP directory servers and performing related tasks like reading and writing LDIF, encoding and decoding data using base64 and ASN.1 BER, and performing secure communication. This package contains the Commercial Edition of the LDAP SDK, which includes all of the general-purpose functionality contained in the Standard Edition, plus additional functionality specific to UnboundID server products.

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/*
 * Copyright 2011-2016 UnboundID Corp.
 * All Rights Reserved.
 */
/*
 * Copyright (C) 2011-2016 UnboundID Corp.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (GPLv2 only)
 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see .
 */
package com.unboundid.ldap.sdk;



import java.io.Serializable;

import com.unboundid.util.Extensible;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;



/**
 * This class defines an API that may be used to obtain a clear-text password
 * that may be used for authentication or other purposes.  Passwords must be
 * returned in the form of a byte array, and the contents of that array will be
 * zeroed out as soon as the password is no longer required in order to minimize
 * the length of time that the password will remain in memory.
 */
@Extensible()
@ThreadSafety(level=ThreadSafetyLevel.INTERFACE_THREADSAFE)
public abstract class PasswordProvider
       implements Serializable
{
  /**
   * The serial version UID for this serializable class.
   */
  private static final long serialVersionUID = -1582416755360005908L;



  /**
   * Retrieves a password in a newly-created byte array.  Once the password is
   * no longer required, the contents of the array will be overwritten so that
   * the password is no longer contained in memory.
   *
   * @return  A byte array containing the password that should be used.
   *
   * @throws  LDAPException  If a problem is encountered while attempting to
   *                         obtain the password.
   */
  public abstract byte[] getPasswordBytes()
         throws LDAPException;
}