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1   /*
2    *   Licensed to the Apache Software Foundation (ASF) under one
3    *   or more contributor license agreements.  See the NOTICE file
4    *   distributed with this work for additional information
5    *   regarding copyright ownership.  The ASF licenses this file
6    *   to you under the Apache License, Version 2.0 (the
7    *   "License"); you may not use this file except in compliance
8    *   with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *   Unless required by applicable law or agreed to in writing,
13   *   software distributed under the License is distributed on an
14   *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *   KIND, either express or implied.  See the License for the
16   *   specific language governing permissions and limitations
17   *   under the License.
18   *
19   */
20  package org.apache.directory.api.ldap.codec.api;
21  
22  
23  import org.apache.directory.api.asn1.DecoderException;
24  import org.apache.directory.api.ldap.model.message.ExtendedRequest;
25  import org.apache.directory.api.ldap.model.message.ExtendedResponse;
26  
27  
28  /**
29   * The factory interface, defined by the codec API, for creating new 
30   * requests/responses for extended operations.
31   *
32   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
33   * @version $Rev$, $Date$
34   */
35  public interface ExtendedOperationFactory
36  {
37      /**
38       * Gets the OID of the extended requests this factory generates.
39       *
40       * @return the extended request OID
41       */
42      String getOid();
43  
44  
45      /**
46       * Returns a new {@link ExtendedRequestDecorator} with the following encoded value.
47       * 
48       * @param value the encoded value
49       * @return the decorator for the extended request type
50       */
51      ExtendedRequest newRequest( byte[] value );
52  
53  
54      /**
55       * Decorates a non-decorated request.
56       *
57       * @param modelRequest the non decorated model request
58       * @return the decorated model request
59       */
60      ExtendedRequest decorate( ExtendedRequest modelRequest );
61  
62  
63      /**
64       * Creates a new ExtendedResponse, for the ExtendedRequest with a specific
65       * encoded value.
66       * 
67       * @param encodedValue The encoded value for the ExtendedResponse instance.
68       * @return The new ExtendedResponse.
69       */
70      ExtendedResponse newResponse( byte[] encodedValue ) throws DecoderException;
71  
72  
73      /**
74       * Decorates an ExtendedResponse which may or may not be of the expected 
75       * type. The factory implementor must check and handle appropriately.
76       *
77       * @param decoratedMessage the message to be decorated.
78       * @return The decorated message 
79       */
80      ExtendedResponse decorate( ExtendedResponse decoratedMessage );
81  }