001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.directory.shared.kerberos.codec.principalName.actions; 021 022 023import org.apache.directory.api.asn1.DecoderException; 024import org.apache.directory.api.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.api.asn1.ber.tlv.TLV; 026import org.apache.directory.server.i18n.I18n; 027import org.apache.directory.shared.kerberos.codec.principalName.PrincipalNameContainer; 028import org.apache.directory.shared.kerberos.components.PrincipalName; 029import org.slf4j.Logger; 030import org.slf4j.LoggerFactory; 031 032 033/** 034 * The action used to initialize the PrincipalName object 035 * 036 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 037 */ 038public class PrincipalNameInit extends GrammarAction<PrincipalNameContainer> 039{ 040 /** The logger */ 041 private static final Logger LOG = LoggerFactory.getLogger( PrincipalNameInit.class ); 042 043 /** Speedup for logs */ 044 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 045 046 047 /** 048 * Instantiates a new PrincipalNameInit action. 049 */ 050 public PrincipalNameInit() 051 { 052 super( "Creates a PrincipalName instance" ); 053 } 054 055 056 /** 057 * {@inheritDoc} 058 */ 059 public void action( PrincipalNameContainer principalNameContainer ) throws DecoderException 060 { 061 TLV tlv = principalNameContainer.getCurrentTLV(); 062 063 // The Length should not be null 064 if ( tlv.getLength() == 0 ) 065 { 066 LOG.error( I18n.err( I18n.ERR_744_NULL_PDU_LENGTH ) ); 067 068 // This will generate a PROTOCOL_ERROR 069 throw new DecoderException( I18n.err( I18n.ERR_744_NULL_PDU_LENGTH ) ); 070 } 071 072 // We have to create a PrincipalName object here 073 PrincipalName principalName = new PrincipalName(); 074 principalNameContainer.setPrincipalName( principalName ); 075 076 if ( IS_DEBUG ) 077 { 078 LOG.debug( "PrincipalName created" ); 079 } 080 } 081}