001/*
002 * Copyright 2007-2022 Ping Identity Corporation
003 * All Rights Reserved.
004 */
005/*
006 * Copyright 2007-2022 Ping Identity Corporation
007 *
008 * Licensed under the Apache License, Version 2.0 (the "License");
009 * you may not use this file except in compliance with the License.
010 * You may obtain a copy of the License at
011 *
012 *    http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing, software
015 * distributed under the License is distributed on an "AS IS" BASIS,
016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
017 * See the License for the specific language governing permissions and
018 * limitations under the License.
019 */
020/*
021 * Copyright (C) 2007-2022 Ping Identity Corporation
022 *
023 * This program is free software; you can redistribute it and/or modify
024 * it under the terms of the GNU General Public License (GPLv2 only)
025 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
026 * as published by the Free Software Foundation.
027 *
028 * This program is distributed in the hope that it will be useful,
029 * but WITHOUT ANY WARRANTY; without even the implied warranty of
030 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
031 * GNU General Public License for more details.
032 *
033 * You should have received a copy of the GNU General Public License
034 * along with this program; if not, see <http://www.gnu.org/licenses>.
035 */
036package com.unboundid.ldap.sdk;
037
038
039
040import java.io.Serializable;
041
042import com.unboundid.asn1.ASN1OctetString;
043import com.unboundid.util.Extensible;
044import com.unboundid.util.NotNull;
045import com.unboundid.util.Nullable;
046import com.unboundid.util.ThreadSafety;
047import com.unboundid.util.ThreadSafetyLevel;
048
049
050
051/**
052 * This interface defines a method that may be implemented by controls that may
053 * be included in the response from a directory server.  The LDAP SDK will
054 * maintain a mapping between response control OIDs and the decodeable control
055 * classes that may be used to attempt to decode them.  If a control cannot be
056 * decoded using this interface and an exception is thrown, then it will be
057 * treated as a generic control.
058 */
059@Extensible()
060@ThreadSafety(level=ThreadSafetyLevel.INTERFACE_THREADSAFE)
061public interface DecodeableControl
062       extends Serializable
063{
064  /**
065   * Creates a new instance of this decodeable control from the provided
066   * information.
067   *
068   * @param  oid         The OID for the control.
069   * @param  isCritical  Indicates whether the control should be marked
070   *                     critical.
071   * @param  value       The encoded value for the control.  This may be
072   *                     {@code null} if no value was provided.
073   *
074   * @return  The decoded representation of this control.
075   *
076   * @throws  LDAPException  If the provided information cannot be decoded as a
077   *                         valid instance of this decodeable control.
078   */
079  @NotNull()
080  Control decodeControl(@NotNull String oid, boolean isCritical,
081                        @Nullable ASN1OctetString value)
082          throws LDAPException;
083}