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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 2008-2016 UnboundID Corp.
 * All Rights Reserved.
 */
/*
 * Copyright (C) 2015-2016 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.unboundidds.controls;



import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.util.NotMutable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;

import static com.unboundid.ldap.sdk.unboundidds.controls.ControlMessages.*;



/**
 * 
 *   NOTE:  This class is part of the Commercial Edition of the UnboundID
 *   LDAP SDK for Java.  It is not available for use in applications that
 *   include only the Standard Edition of the LDAP SDK, and is not supported for
 *   use in conjunction with non-UnboundID products.
 * 
 * This class defines a request control that may be used to indicate that the
 * server should process all aspects of the associated bind request (including
 * password policy processing) but should not actually change the identity for
 * the client connection, regardless of whether the authentication is
 * successful.
 * 


 * This control can be very useful for applications that perform binds to
 * authenticate users but also use connection pooling to re-use connections
 * for multiple operations.  Bind operations are normally not well-suited for
 * use on pooled connections because they change the identity of that
 * connection, but the retain identity request control solves that problem by
 * performing all bind processing but does not change the identity associated
 * with the client connection.
 * 


 * There is no corresponding response control.  If the bind is successful, then
 * the server should return a bind response with the {@code ResultCode#SUCCESS}
 * result code just as if the bind request had not included the retain identity
 * request control.
 * 


 * This control is not based on any public standard.  It was originally
 * developed for use with the UnboundID Directory Server.  It does not have a
 * value.
 * 


 * Example
 * The following example demonstrates the use of the retain identity request
 * control:
 *  * SimpleBindRequest bindRequest = new SimpleBindRequest(
 *      "uid=john.doe,ou=People,dc=example,dc=com", "password",
 *      new RetainIdentityRequestControl());
 *
 * BindResult bindResult;
 * try
 * {
 *   bindResult = connection.bind(bindRequest);
 *   // The bind was successful and the account is usable, but the identity
 *   // associated with the client connection hasn't changed.
 * }
 * catch (LDAPException le)
 * {
 *   bindResult = new BindResult(le.toLDAPResult());
 *   // The bind was unsuccessful, potentially because the credentials were
 *   // invalid or the account is unusable for some reason (e.g., disabled,
 *   // locked, expired password, etc.).  The identity associated with the
 *   // client connection hasn't changed.
 * }
 * 
 */
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class RetainIdentityRequestControl
       extends Control
{
  /**
   * The OID (1.3.6.1.4.1.30221.2.5.3) for the retain identity request control.
   */
  public static final String RETAIN_IDENTITY_REQUEST_OID =
       "1.3.6.1.4.1.30221.2.5.3";



  /**
   * The serial version UID for this serializable class.
   */
  private static final long serialVersionUID = 9066549673766581236L;



  /**
   * Creates a new retain identity request control.  It will be marked critical.
   */
  public RetainIdentityRequestControl()
  {
    super(RETAIN_IDENTITY_REQUEST_OID, true, null);
  }



  /**
   * Creates a new retain identity request control which is decoded from
   * the provided generic control.
   *
   * @param  control  The generic control to be decoded as a retain identity
   *                  request control.
   *
   * @throws  LDAPException  If the provided control cannot be decoded as a
   *                         retain identity request control.
   */
  public RetainIdentityRequestControl(final Control control)
         throws LDAPException
  {
    super(control);

    if (control.hasValue())
    {
      throw new LDAPException(ResultCode.DECODING_ERROR,
                              ERR_RETAIN_IDENTITY_REQUEST_HAS_VALUE.get());
    }
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public String getControlName()
  {
    return INFO_CONTROL_NAME_RETAIN_IDENTITY_REQUEST.get();
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void toString(final StringBuilder buffer)
  {
    buffer.append("RetainIdentityRequestControl(isCritical=");
    buffer.append(isCritical());
    buffer.append(')');
  }
}