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.interceptor.context; 21 22 23 import org.apache.directory.server.core.CoreSession; 24 import org.apache.directory.shared.ldap.name.LdapDN; 25 26 27 /** 28 * An EmptySuffix context used for Interceptors. It contains no data, and mask 29 * the DN in AbstractOperationContext 30 * 31 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 32 * @version $Rev$, $Date$ 33 */ 34 public abstract class EmptyOperationContext extends AbstractOperationContext 35 { 36 /** 37 * Creates a new instance of EmptyOperationContext. 38 */ 39 public EmptyOperationContext( CoreSession session ) 40 { 41 super( session, LdapDN.EMPTY_LDAPDN ); 42 } 43 44 45 /** 46 * Set the context DN 47 * 48 * @param dn The DN to set 49 */ 50 public void setDn( LdapDN dn ) 51 { 52 if ( dn.equals( LdapDN.EMPTY_LDAPDN ) ) 53 { 54 return; 55 } 56 57 throw new UnsupportedOperationException( 58 "Cannot set the empty operation context to anything other than the EmptyDN" ); 59 } 60 61 62 /** 63 * @see Object#toString() 64 */ 65 public String toString() 66 { 67 return "EmptyOperationContext"; 68 } 69 }