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.server.core.api.interceptor.context;
21
22
23 import org.apache.directory.api.ldap.model.name.Dn;
24 import org.apache.directory.server.core.api.CoreSession;
25 import org.apache.directory.server.i18n.I18n;
26
27
28 /**
29 * An EmptySuffix context used for Interceptors. It contains no data, and mask
30 * the Dn in AbstractOperationContext
31 *
32 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
33 */
34 public abstract class EmptyOperationContext extends AbstractOperationContext
35 {
36 /**
37 * Creates a new instance of EmptyOperationContext.
38 *
39 * @param session The session to use
40 */
41 public EmptyOperationContext( CoreSession session )
42 {
43 super( session, Dn.EMPTY_DN );
44 }
45
46
47 /**
48 * Set the context Dn
49 *
50 * @param dn The Dn to set
51 */
52 @Override
53 public void setDn( Dn dn )
54 {
55 if ( dn.equals( Dn.EMPTY_DN ) )
56 {
57 return;
58 }
59
60 throw new UnsupportedOperationException( I18n.err( I18n.ERR_324 ) );
61 }
62
63
64 /**
65 * @see Object#toString()
66 */
67 public String toString()
68 {
69 return "EmptyOperationContext";
70 }
71 }