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.hostAddress;
021
022
023import org.apache.directory.api.asn1.ber.grammar.Grammar;
024import org.apache.directory.api.asn1.ber.grammar.States;
025
026
027/**
028 * This class store the HostAddress grammar's constants. It is also used for debugging
029 * purpose
030 *
031 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
032 */
033public enum HostAddressStatesEnum implements States
034{
035    // Start
036    START_STATE, // 0
037
038    // ----- PrincipalName message --------------------------------------
039    HOST_ADDRESS_SEQ_STATE, // 1
040
041    HOST_ADDRESS_ADDR_TYPE_TAG_STATE, // 2
042    HOST_ADDRESS_ADDR_TYPE_STATE, // 3
043
044    HOST_ADDRESS_ADDRESS_TAG_STATE, // 4
045    HOST_ADDRESS_ADDRESS_STATE, // 5
046
047    // End
048    LAST_HOST_ADDRESS_STATE; // 6
049
050    /**
051     * Get the grammar name
052     *
053     * @param grammar The grammar code
054     * @return The grammar name
055     */
056    public String getGrammarName( int grammar )
057    {
058        return "HOST_ADDRESS_GRAMMAR";
059    }
060
061
062    /**
063     * Get the grammar name
064     *
065     * @param grammar The grammar class
066     * @return The grammar name
067     */
068    public String getGrammarName( Grammar<HostAddressContainer> grammar )
069    {
070        if ( grammar instanceof HostAddressGrammar )
071        {
072            return "HOST_ADDRESS_GRAMMAR";
073        }
074        else
075        {
076            return "UNKNOWN GRAMMAR";
077        }
078    }
079
080
081    /**
082     * Get the string representing the state
083     *
084     * @param state The state number
085     * @return The String representing the state
086     */
087    public String getState( int state )
088    {
089        return ( ( state == LAST_HOST_ADDRESS_STATE.ordinal() ) ? "HOST_ADDRESS_END_STATE" : name() );
090    }
091
092
093    /**
094     * {@inheritDoc}
095     */
096    public boolean isEndState()
097    {
098        return this == LAST_HOST_ADDRESS_STATE;
099    }
100
101
102    /**
103     * {@inheritDoc}
104     */
105    public HostAddressStatesEnum getStartState()
106    {
107        return START_STATE;
108    }
109}