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.ldap.codec.controls.search.subentries;
021
022
023import org.apache.directory.shared.asn1.ber.grammar.Grammar;
024import org.apache.directory.shared.asn1.ber.grammar.States;
025
026
027/**
028 * This class store the SubEntryControl's grammar constants. It is also used for
029 * debugging purposes.
030 * 
031 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
032 */
033public enum SubentriesStates implements States
034{
035    // ~ Static fields/initializers
036    // -----------------------------------------------------------------
037
038    /** The END_STATE */
039    END_STATE,
040
041    // =========================================================================
042    // Sub entry control grammar states
043    // =========================================================================
044
045    /** Starting state */
046    START_STATE,
047
048    /** Visibility Value */
049    SUB_ENTRY_VISIBILITY_STATE,
050
051    /** terminal state */
052    LAST_SUB_ENTRY_STATE;
053
054
055    /**
056     * Get the grammar name
057     * 
058     * @param grammar The grammar code
059     * @return The grammar name
060     */
061    public String getGrammarName( int grammar )
062    {
063        return "SUB_ENTRY_GRAMMAR";
064    }
065
066
067    /**
068     * Get the grammar name
069     * 
070     * @param grammar The grammar class
071     * @return The grammar name
072     */
073    public String getGrammarName( Grammar<SubentriesContainer> grammar )
074    {
075        if ( grammar instanceof SubentriesGrammar )
076        {
077            return "SUB_ENTRY_GRAMMAR";
078        }
079
080        return "UNKNOWN GRAMMAR";
081    }
082
083
084    /**
085     * Get the string representing the state
086     * 
087     * @param state The state number
088     * @return The String representing the state
089     */
090    public String getState( int state )
091    {
092        return ( ( state == END_STATE.ordinal() ) ? "SUB_ENTRY_END_STATE" : name() );
093    }
094
095    
096    /**
097     * {@inheritDoc}
098     */
099    public boolean isEndState()
100    {
101        return this == END_STATE;
102    }
103    
104    
105    /**
106     * {@inheritDoc}
107     */
108    public SubentriesStates getStartState()
109    {
110        return START_STATE;
111    }
112}