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.pagedSearch; 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 PagedSearchControl'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 PagedResultsStates implements States 034{ 035 // ~ Static fields/initializers 036 // ----------------------------------------------------------------- 037 038 /** The END_STATE */ 039 END_STATE, 040 041 // ========================================================================= 042 // Paged search control grammar states 043 // ========================================================================= 044 /** Initial state */ 045 START_STATE, 046 047 /** Sequence Value */ 048 PAGED_SEARCH_SEQUENCE_STATE, 049 050 /** Size Value */ 051 SIZE_STATE, 052 053 /** Cookie Value */ 054 COOKIE_STATE, 055 056 /** terminal state */ 057 LAST_PAGED_SEARCH_STATE; 058 059 060 /** 061 * Get the grammar name 062 * 063 * @param grammar The grammar code 064 * @return The grammar name 065 */ 066 public String getGrammarName( int grammar ) 067 { 068 return "PAGED_SEARCH_GRAMMAR"; 069 } 070 071 072 /** 073 * Get the grammar name 074 * 075 * @param grammar The grammar class 076 * @return The grammar name 077 */ 078 public String getGrammarName( Grammar<?> grammar ) 079 { 080 if ( grammar instanceof PagedResultsGrammar ) 081 { 082 return "PAGEDSEARCH_GRAMMAR"; 083 } 084 085 return "UNKNOWN GRAMMAR"; 086 } 087 088 089 /** 090 * Get the string representing the state 091 * 092 * @param state The state number 093 * @return The String representing the state 094 */ 095 public String getState( int state ) 096 { 097 return ( ( state == END_STATE.ordinal() ) ? "PAGED_SEARCH_END_STATE" : name() ); 098 } 099 100 101 /** 102 * {@inheritDoc} 103 */ 104 public boolean isEndState() 105 { 106 return this == END_STATE; 107 } 108 109 110 /** 111 * {@inheritDoc} 112 */ 113 public PagedResultsStates getStartState() 114 { 115 return START_STATE; 116 } 117}