/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE
 * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  If applicable,
 * add the following below this CDDL HEADER, with the fields enclosed
 * by brackets "[]" replaced with your own identifying information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2009 Sun Microsystems, Inc.
 */

package org.opends.sdk.requests;



import org.opends.sdk.ByteString;
import org.opends.sdk.DN;
import org.opends.sdk.LocalizedIllegalArgumentException;
import org.opends.sdk.controls.Control;




/**
 * The simple authentication method of the Bind Operation provides three
 * authentication mechanisms:
 * <ul>
 * <li>An anonymous authentication mechanism, in which both the name
 * (the bind DN) and password are zero length.
 * <li>An unauthenticated authentication mechanism using credentials
 * consisting of a name (the bind DN) and a zero length password.
 * <li>A name/password authentication mechanism using credentials
 * consisting of a name (the bind DN) and a password.
 * </ul>
 */
public interface SimpleBindRequest extends BindRequest
{
  /**
   * Adds the provided control to this request.
   * 
   * @param control
   *          The control to be added to this request.
   * @return This request.
   * @throws UnsupportedOperationException
   *           If this request does not permit controls to be added.
   * @throws NullPointerException
   *           If {@code control} was {@code null}.
   */
  SimpleBindRequest addControl(Control control)
      throws UnsupportedOperationException, NullPointerException;



  /**
   * Removes all the controls included with this request.
   * 
   * @return This request.
   * @throws UnsupportedOperationException
   *           If this request does not permit controls to be removed.
   */
  SimpleBindRequest clearControls()
      throws UnsupportedOperationException;



  /**
   * Returns the first control contained in this request having the
   * specified OID.
   * 
   * @param oid
   *          The OID of the control to be returned.
   * @return The control, or {@code null} if the control is not included
   *         with this request.
   * @throws NullPointerException
   *           If {@code oid} was {@code null}.
   */
  Control getControl(String oid) throws NullPointerException;



  /**
   * Returns an {@code Iterable} containing the controls included with
   * this request. The returned {@code Iterable} may be used to remove
   * controls if permitted by this request.
   * 
   * @return An {@code Iterable} containing the controls.
   */
  Iterable<Control> getControls();



  /**
   * {@inheritDoc}
   */
  DN getName();



  /**
   * Returns the password of the Directory object that the client wishes
   * to bind as. The password may be empty (but never {@code null}) when
   * used for of anonymous or unauthenticated binds.
   * 
   * @return The password of the Directory object that the client wishes
   *         to bind as.
   */
  ByteString getPassword();



  /**
   * Returns the password of the Directory object that the client wishes
   * to bind as decoded as a UTF-8 string. The password may be empty
   * (but never {@code null}) when used for of anonymous or
   * unauthenticated binds.
   * 
   * @return The password of the Directory object that the client wishes
   *         to bind as decoded as a UTF-8 string.
   */
  String getPasswordAsString();



  /**
   * Indicates whether or not this request has any controls.
   * 
   * @return {@code true} if this request has any controls, otherwise
   *         {@code false}.
   */
  boolean hasControls();



  /**
   * Removes the first control contained in this request having the
   * specified OID.
   * 
   * @param oid
   *          The OID of the control to be removed.
   * @return The removed control, or {@code null} if the control is not
   *         included with this request.
   * @throws UnsupportedOperationException
   *           If this request does not permit controls to be removed.
   * @throws NullPointerException
   *           If {@code oid} was {@code null}.
   */
  Control removeControl(String oid)
      throws UnsupportedOperationException, NullPointerException;



  /**
   * Sets the distinguished name of the Directory object that the client
   * wishes to bind as. The distinguished name may be empty (but never
   * {@code null} when used for of anonymous binds, or when using SASL
   * authentication. The server shall not dereference any aliases in
   * locating the named object.
   * 
   * @param dn
   *          The distinguished name of the Directory object that the
   *          client wishes to bind as.
   * @return This bind request.
   * @throws UnsupportedOperationException
   *           If this bind request does not permit the distinguished
   *           name to be set.
   * @throws NullPointerException
   *           If {@code dn} was {@code null}.
   */
  SimpleBindRequest setName(DN dn)
      throws UnsupportedOperationException, NullPointerException;



  /**
   * Sets the distinguished name of the Directory object that the client
   * wishes to bind as. The distinguished name may be empty (but never
   * {@code null} when used for of anonymous binds, or when using SASL
   * authentication. The server shall not dereference any aliases in
   * locating the named object.
   * 
   * @param dn
   *          The distinguished name of the Directory object that the
   *          client wishes to bind as.
   * @return This bind request.
   * @throws LocalizedIllegalArgumentException
   *           If {@code dn} could not be decoded using the default
   *           schema.
   * @throws UnsupportedOperationException
   *           If this bind request does not permit the distinguished
   *           name to be set.
   * @throws NullPointerException
   *           If {@code dn} was {@code null}.
   */
  SimpleBindRequest setName(String dn)
      throws LocalizedIllegalArgumentException,
      UnsupportedOperationException, NullPointerException;



  /**
   * Sets the password of the Directory object that the client wishes to
   * bind as. The password may be empty (but never {@code null}) when
   * used for of anonymous or unauthenticated binds.
   * 
   * @param password
   *          The password of the Directory object that the client
   *          wishes to bind as, which may be empty.
   * @return This simple bind request.
   * @throws UnsupportedOperationException
   *           If this simple bind request does not permit the password
   *           to be set.
   * @throws NullPointerException
   *           If {@code password} was {@code null}.
   */
  SimpleBindRequest setPassword(ByteString password)
      throws UnsupportedOperationException, NullPointerException;



  /**
   * Sets the password of the Directory object that the client wishes to
   * bind as. The password will be converted to a UTF-8 octet string.
   * The password may be empty (but never {@code null}) when used for of
   * anonymous or unauthenticated binds.
   * 
   * @param password
   *          The password of the Directory object that the client
   *          wishes to bind as, which may be empty.
   * @return This simple bind request.
   * @throws UnsupportedOperationException
   *           If this simple bind request does not permit the password
   *           to be set.
   * @throws NullPointerException
   *           If {@code password} was {@code null}.
   */
  SimpleBindRequest setPassword(String password)
      throws UnsupportedOperationException, NullPointerException;

}