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 * https://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 */ 020 021package org.apache.directory.api.ldap.extras.controls.vlv_impl; 022 023 024import org.apache.directory.api.asn1.ber.grammar.AbstractGrammar; 025import org.apache.directory.api.asn1.ber.grammar.Grammar; 026import org.apache.directory.api.asn1.ber.grammar.GrammarTransition; 027import org.apache.directory.api.asn1.ber.tlv.UniversalTag; 028import org.slf4j.Logger; 029import org.slf4j.LoggerFactory; 030 031 032/** 033 * The VLV grammar 034 * 035 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 036 */ 037public final class VirtualListViewRequestGrammar extends AbstractGrammar<VirtualListViewRequestContainer> 038{ 039 static final Logger LOG = LoggerFactory.getLogger( VirtualListViewRequestGrammar.class ); 040 041 private static Grammar<?> instance = new VirtualListViewRequestGrammar(); 042 043 044 @SuppressWarnings("unchecked") 045 private VirtualListViewRequestGrammar() 046 { 047 setName( VirtualListViewRequestGrammar.class.getName() ); 048 049 super.transitions = new GrammarTransition[VirtualListViewRequestStates.END_STATE.ordinal()][256]; 050 051 super.transitions[VirtualListViewRequestStates.START_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] = 052 new GrammarTransition<VirtualListViewRequestContainer>( 053 VirtualListViewRequestStates.START_STATE, 054 VirtualListViewRequestStates.VLV_SEQUENCE_STATE, 055 UniversalTag.SEQUENCE.getValue(), 056 null ); 057 058 super.transitions[VirtualListViewRequestStates.VLV_SEQUENCE_STATE.ordinal()][UniversalTag.INTEGER.getValue()] = 059 new GrammarTransition<VirtualListViewRequestContainer>( 060 VirtualListViewRequestStates.VLV_SEQUENCE_STATE, 061 VirtualListViewRequestStates.VLV_BEFORE_COUNT_STATE, 062 UniversalTag.INTEGER.getValue(), 063 new StoreBeforeCount() ); 064 065 super.transitions[VirtualListViewRequestStates.VLV_BEFORE_COUNT_STATE.ordinal()][UniversalTag.INTEGER 066 .getValue()] = 067 new GrammarTransition<VirtualListViewRequestContainer>( 068 VirtualListViewRequestStates.VLV_BEFORE_COUNT_STATE, 069 VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE, 070 UniversalTag.INTEGER.getValue(), 071 new StoreAfterCount() ); 072 073 super.transitions[VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE.ordinal()][VirtualListViewerTags.BY_OFFSET_TAG 074 .getValue()] = 075 new GrammarTransition<VirtualListViewRequestContainer>( 076 VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE, 077 VirtualListViewRequestStates.VLV_TARGET_BY_OFFSET_STATE, 078 ( byte ) VirtualListViewerTags.BY_OFFSET_TAG.getValue(), 079 null ); 080 081 super.transitions[VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE.ordinal()][VirtualListViewerTags.ASSERTION_VALUE_TAG 082 .getValue()] = 083 new GrammarTransition<VirtualListViewRequestContainer>( 084 VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE, 085 VirtualListViewRequestStates.VLV_ASSERTION_VALUE_STATE, 086 ( byte ) VirtualListViewerTags.ASSERTION_VALUE_TAG.getValue(), 087 new StoreAssertionValue() ); 088 089 super.transitions[VirtualListViewRequestStates.VLV_TARGET_BY_OFFSET_STATE.ordinal()][UniversalTag.INTEGER 090 .getValue()] = 091 new GrammarTransition<VirtualListViewRequestContainer>( 092 VirtualListViewRequestStates.VLV_TARGET_BY_OFFSET_STATE, 093 VirtualListViewRequestStates.VLV_OFFSET_STATE, 094 UniversalTag.INTEGER.getValue(), 095 new StoreOffset() ); 096 097 super.transitions[VirtualListViewRequestStates.VLV_OFFSET_STATE.ordinal()][UniversalTag.INTEGER.getValue()] = 098 new GrammarTransition<VirtualListViewRequestContainer>( 099 VirtualListViewRequestStates.VLV_OFFSET_STATE, 100 VirtualListViewRequestStates.VLV_CONTENT_COUNT_STATE, 101 UniversalTag.INTEGER.getValue(), 102 new StoreContentCount() ); 103 104 super.transitions[VirtualListViewRequestStates.VLV_CONTENT_COUNT_STATE.ordinal()][UniversalTag.OCTET_STRING 105 .getValue()] = 106 new GrammarTransition<VirtualListViewRequestContainer>( 107 VirtualListViewRequestStates.VLV_CONTENT_COUNT_STATE, 108 VirtualListViewRequestStates.VLV_CONTEXT_ID_STATE, 109 UniversalTag.OCTET_STRING.getValue(), 110 new StoreContextId() ); 111 112 super.transitions[VirtualListViewRequestStates.VLV_ASSERTION_VALUE_STATE.ordinal()][UniversalTag.OCTET_STRING 113 .getValue()] = 114 new GrammarTransition<VirtualListViewRequestContainer>( 115 VirtualListViewRequestStates.VLV_ASSERTION_VALUE_STATE, 116 VirtualListViewRequestStates.VLV_CONTEXT_ID_STATE, 117 UniversalTag.OCTET_STRING.getValue(), 118 new StoreContextId() ); 119 } 120 121 122 /** 123 * @return the singleton instance of the VirtualListViewRequestGrammar 124 */ 125 public static Grammar<?> getInstance() 126 { 127 return instance; 128 } 129}