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.controls.search.entryChange;
21
22
23 import org.apache.directory.api.asn1.ber.AbstractContainer;
24 import org.apache.directory.api.ldap.codec.api.LdapApiService;
25 import org.apache.directory.api.ldap.model.message.controls.EntryChange;
26
27
28 /**
29 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
30 */
31 public class EntryChangeContainer extends AbstractContainer
32 {
33 /** EntryChangeControl */
34 private EntryChangeDecorator control;
35
36 /** The codec that encodes and decodes */
37 private LdapApiService codec;
38
39
40 /**
41 * Creates a new EntryChangeContainer object. We will store one
42 * grammar, it's enough ...
43 *
44 * @param codec The LDAP service instance
45 */
46 public EntryChangeContainer( LdapApiService codec )
47 {
48 super();
49 this.codec = codec;
50 setGrammar( EntryChangeGrammar.getInstance() );
51 setTransition( EntryChangeStates.START_STATE );
52 }
53
54
55 /**
56 * Creates a container with decorator, optionally decorating the supplied
57 * Control if it is not a decorator implementation.
58 *
59 * @param codec The LDAP service instance
60 * @param control The EntryChange ControlDecorator, or a Control to be
61 * wrapped by a new decorator.
62 */
63 public EntryChangeContainer( LdapApiService codec, EntryChange control )
64 {
65 this( codec );
66 decorate( control );
67 }
68
69
70 /**
71 * @return Returns the EntryChangeControl.
72 */
73 public EntryChangeDecorator getEntryChangeDecorator()
74 {
75 return control;
76 }
77
78
79 /**
80 * Checks to see if the supplied EntryChange implementation is a decorator
81 * and if so just sets the EntryChangeDecorator to it. Otherwise the supplied
82 * control is decorated by creating a new EntryChangeDecorator to wrap the
83 * object.
84 *
85 * @param control The EntryChange Control to wrap, if it is not a decorator.
86 */
87 public void decorate( EntryChange control )
88 {
89 if ( control instanceof EntryChangeDecorator )
90 {
91 this.control = ( EntryChangeDecorator ) control;
92 }
93 else
94 {
95 this.control = new EntryChangeDecorator( codec, control );
96 }
97 }
98
99
100 /**
101 * Set a EntryChangeControl Object into the container. It will be completed
102 * by the ldapDecoder.
103 *
104 * @param control the EntryChangeControl to set.
105 */
106 public void setEntryChangeDecorator( EntryChangeDecorator control )
107 {
108 this.control = control;
109 }
110
111
112 /**
113 * Clean the container
114 */
115 @Override
116 public void clean()
117 {
118 super.clean();
119 control = null;
120 }
121 }