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1   /*
2    *   Licensed to the Apache Software Foundation (ASF) under one
3    *   or more contributor license agreements.  See the NOTICE file
4    *   distributed with this work for additional information
5    *   regarding copyright ownership.  The ASF licenses this file
6    *   to you under the Apache License, Version 2.0 (the
7    *   "License"); you may not use this file except in compliance
8    *   with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *   Unless required by applicable law or agreed to in writing,
13   *   software distributed under the License is distributed on an
14   *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *   KIND, either express or implied.  See the License for the
16   *   specific language governing permissions and limitations
17   *   under the License.
18   *
19   */
20  
21  package org.apache.directory.api.ldap.extras.controls.vlv_impl;
22  
23  
24  import org.apache.directory.api.asn1.ber.grammar.AbstractGrammar;
25  import org.apache.directory.api.asn1.ber.grammar.Grammar;
26  import org.apache.directory.api.asn1.ber.grammar.GrammarTransition;
27  import org.apache.directory.api.asn1.ber.tlv.UniversalTag;
28  import org.slf4j.Logger;
29  import org.slf4j.LoggerFactory;
30  
31  
32  /**
33   * TODO VirtualListViewRequestGrammar.
34   *
35   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
36   */
37  public class VirtualListViewRequestGrammar extends AbstractGrammar<VirtualListViewRequestContainer>
38  {
39      static final Logger LOG = LoggerFactory.getLogger( VirtualListViewRequestGrammar.class );
40  
41      static final boolean IS_DEBUG = LOG.isDebugEnabled();
42  
43      private static Grammar<?> instance = new VirtualListViewRequestGrammar();
44  
45  
46      @SuppressWarnings("unchecked")
47      private VirtualListViewRequestGrammar()
48      {
49          setName( VirtualListViewRequestGrammar.class.getName() );
50  
51          super.transitions = new GrammarTransition[VirtualListViewRequestStates.END_STATE.ordinal()][256];
52  
53          super.transitions[VirtualListViewRequestStates.START_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] =
54              new GrammarTransition<VirtualListViewRequestContainer>(
55                  VirtualListViewRequestStates.START_STATE,
56                  VirtualListViewRequestStates.VLV_SEQUENCE_STATE,
57                  UniversalTag.SEQUENCE.getValue(),
58                  null );
59  
60          super.transitions[VirtualListViewRequestStates.VLV_SEQUENCE_STATE.ordinal()][UniversalTag.INTEGER.getValue()] =
61              new GrammarTransition<VirtualListViewRequestContainer>(
62                  VirtualListViewRequestStates.VLV_SEQUENCE_STATE,
63                  VirtualListViewRequestStates.VLV_BEFORE_COUNT_STATE,
64                  UniversalTag.INTEGER.getValue(),
65                  new StoreBeforeCount() );
66  
67          super.transitions[VirtualListViewRequestStates.VLV_BEFORE_COUNT_STATE.ordinal()][UniversalTag.INTEGER
68              .getValue()] =
69              new GrammarTransition<VirtualListViewRequestContainer>(
70                  VirtualListViewRequestStates.VLV_BEFORE_COUNT_STATE,
71                  VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE,
72                  UniversalTag.INTEGER.getValue(),
73                  new StoreAfterCount() );
74  
75          super.transitions[VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE.ordinal()][VirtualListViewerTags.BY_OFFSET_TAG
76              .getValue()] =
77              new GrammarTransition<VirtualListViewRequestContainer>(
78                  VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE,
79                  VirtualListViewRequestStates.VLV_TARGET_BY_OFFSET_STATE,
80                  ( byte ) VirtualListViewerTags.BY_OFFSET_TAG.getValue(),
81                  null );
82  
83          super.transitions[VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE.ordinal()][VirtualListViewerTags.ASSERTION_VALUE_TAG
84              .getValue()] =
85              new GrammarTransition<VirtualListViewRequestContainer>(
86                  VirtualListViewRequestStates.VLV_AFTER_COUNT_STATE,
87                  VirtualListViewRequestStates.VLV_ASSERTION_VALUE_STATE,
88                  ( byte ) VirtualListViewerTags.ASSERTION_VALUE_TAG.getValue(),
89                  new StoreAssertionValue() );
90  
91          super.transitions[VirtualListViewRequestStates.VLV_TARGET_BY_OFFSET_STATE.ordinal()][UniversalTag.INTEGER
92              .getValue()] =
93              new GrammarTransition<VirtualListViewRequestContainer>(
94                  VirtualListViewRequestStates.VLV_TARGET_BY_OFFSET_STATE,
95                  VirtualListViewRequestStates.VLV_OFFSET_STATE,
96                  UniversalTag.INTEGER.getValue(),
97                  new StoreOffset() );
98  
99          super.transitions[VirtualListViewRequestStates.VLV_OFFSET_STATE.ordinal()][UniversalTag.INTEGER.getValue()] =
100             new GrammarTransition<VirtualListViewRequestContainer>(
101                 VirtualListViewRequestStates.VLV_OFFSET_STATE,
102                 VirtualListViewRequestStates.VLV_CONTENT_COUNT_STATE,
103                 UniversalTag.INTEGER.getValue(),
104                 new StoreContentCount() );
105 
106         super.transitions[VirtualListViewRequestStates.VLV_CONTENT_COUNT_STATE.ordinal()][UniversalTag.OCTET_STRING
107             .getValue()] =
108             new GrammarTransition<VirtualListViewRequestContainer>(
109                 VirtualListViewRequestStates.VLV_CONTENT_COUNT_STATE,
110                 VirtualListViewRequestStates.VLV_CONTEXT_ID_STATE,
111                 UniversalTag.OCTET_STRING.getValue(),
112                 new StoreContextId() );
113 
114         super.transitions[VirtualListViewRequestStates.VLV_ASSERTION_VALUE_STATE.ordinal()][UniversalTag.OCTET_STRING
115             .getValue()] =
116             new GrammarTransition<VirtualListViewRequestContainer>(
117                 VirtualListViewRequestStates.VLV_ASSERTION_VALUE_STATE,
118                 VirtualListViewRequestStates.VLV_CONTEXT_ID_STATE,
119                 UniversalTag.OCTET_STRING.getValue(),
120                 new StoreContextId() );
121     }
122 
123 
124     public static Grammar<?> getInstance()
125     {
126         return instance;
127     }
128 }