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 public EntryChangeContainer( LdapApiService codec )
45 {
46 super();
47 this.codec = codec;
48 grammar = EntryChangeGrammar.getInstance();
49 setTransition( EntryChangeStates.START_STATE );
50 }
51
52
53 /**
54 * Creates a container with decorator, optionally decorating the supplied
55 * Control if it is not a decorator implementation.
56 *
57 * @param control The EntryChange ControlDecorator, or a Control to be
58 * wrapped by a new decorator.
59 */
60 public EntryChangeContainer( LdapApiService codec, EntryChange control )
61 {
62 this( codec );
63 decorate( control );
64 }
65
66
67 /**
68 * @return Returns the EntryChangeControl.
69 */
70 public EntryChangeDecorator getEntryChangeDecorator()
71 {
72 return control;
73 }
74
75
76 /**
77 * Checks to see if the supplied EntryChange implementation is a decorator
78 * and if so just sets the EntryChangeDecorator to it. Otherwise the supplied
79 * control is decorated by creating a new EntryChangeDecorator to wrap the
80 * object.
81 *
82 * @param control The EntryChange Control to wrap, if it is not a decorator.
83 */
84 public void decorate( EntryChange control )
85 {
86 if ( control instanceof EntryChangeDecorator )
87 {
88 this.control = ( EntryChangeDecorator ) control;
89 }
90 else
91 {
92 this.control = new EntryChangeDecorator( codec, control );
93 }
94 }
95
96
97 /**
98 * Set a EntryChangeControl Object into the container. It will be completed
99 * by the ldapDecoder.
100 *
101 * @param control the EntryChangeControl to set.
102 */
103 public void setEntryChangeDecorator( EntryChangeDecorator control )
104 {
105 this.control = control;
106 }
107
108
109 /**
110 * Clean the container
111 */
112 public void clean()
113 {
114 super.clean();
115 control = null;
116 }
117 }