/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.shared.kerberos.codec.encApRepPart;
import org.apache.directory.shared.asn1.actions.CheckNotNullLength;
import org.apache.directory.shared.asn1.ber.grammar.AbstractGrammar;
import org.apache.directory.shared.asn1.ber.grammar.Grammar;
import org.apache.directory.shared.asn1.ber.grammar.GrammarTransition;
import org.apache.directory.shared.asn1.ber.tlv.UniversalTag;
import org.apache.directory.shared.kerberos.KerberosConstants;
import org.apache.directory.shared.kerberos.codec.encApRepPart.actions.EncApRepPartInit;
import org.apache.directory.shared.kerberos.codec.encApRepPart.actions.StoreCTime;
import org.apache.directory.shared.kerberos.codec.encApRepPart.actions.StoreCusec;
import org.apache.directory.shared.kerberos.codec.encApRepPart.actions.StoreSeqNumber;
import org.apache.directory.shared.kerberos.codec.encApRepPart.actions.StoreSubKey;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class implements the EncApRepPart structure. All the actions are declared
* in this class. As it is a singleton, these declaration are only done once. If
* an action is to be added or modified, this is where the work is to be done !
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public final class EncApRepPartGrammar extends AbstractGrammar<EncApRepPartContainer>
{
/** The logger */
static final Logger LOG = LoggerFactory.getLogger( EncApRepPartGrammar.class );
/** A speedup for logger */
static final boolean IS_DEBUG = LOG.isDebugEnabled();
/** The instance of grammar. EncApRepPartGrammar is a singleton */
private static Grammar<EncApRepPartContainer> instance = new EncApRepPartGrammar();
/**
* Creates a new EncApRepPartGrammar object.
*/
@SuppressWarnings("unchecked")
private EncApRepPartGrammar()
{
setName( EncApRepPartGrammar.class.getName() );
// Create the transitions table
super.transitions = new GrammarTransition[EncApRepPartStatesEnum.LAST_ENC_AP_REP_PART_STATE.ordinal()][256];
// ============================================================================================
// EncApRepPart
// ============================================================================================
// --------------------------------------------------------------------------------------------
// Transition from EncApRepPart init to APPLICATION tag
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27]
super.transitions[EncApRepPartStatesEnum.START_STATE.ordinal()][KerberosConstants.ENC_AP_REP_PART_TAG] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.START_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_STATE,
KerberosConstants.ENC_AP_REP_PART_TAG,
new EncApRepPartInit() );
// --------------------------------------------------------------------------------------------
// Transition from EncApRepPart APPLICATION to EncApRepPart SEQ
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
super.transitions[EncApRepPartStatesEnum.ENC_AP_REP_PART_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.ENC_AP_REP_PART_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_SEQ_STATE,
UniversalTag.SEQUENCE,
new CheckNotNullLength<EncApRepPartContainer>() );
// --------------------------------------------------------------------------------------------
// Transition from EncApRepPart SEQ to ctime tag
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
// ctime [0]
super.transitions[EncApRepPartStatesEnum.ENC_AP_REP_PART_SEQ_STATE.ordinal()][KerberosConstants.ENC_AP_REP_PART_CTIME_TAG] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.ENC_AP_REP_PART_SEQ_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_CTIME_TAG_STATE,
KerberosConstants.ENC_AP_REP_PART_CTIME_TAG,
new CheckNotNullLength<EncApRepPartContainer>() );
// --------------------------------------------------------------------------------------------
// Transition from ctime tag to ctime value
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
// ctime [0] KerberosTime,
super.transitions[EncApRepPartStatesEnum.ENC_AP_REP_PART_CTIME_TAG_STATE.ordinal()][UniversalTag.GENERALIZED_TIME.getValue()] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.ENC_AP_REP_PART_CTIME_TAG_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_CTIME_STATE,
UniversalTag.GENERALIZED_TIME,
new StoreCTime() );
// --------------------------------------------------------------------------------------------
// Transition from ctime value to cusec tag
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
// ...
// cusec [1]
super.transitions[EncApRepPartStatesEnum.ENC_AP_REP_PART_CTIME_STATE.ordinal()][KerberosConstants.ENC_AP_REP_PART_CUSEC_TAG] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.ENC_AP_REP_PART_CTIME_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_CUSEC_TAG_STATE,
KerberosConstants.ENC_AP_REP_PART_CUSEC_TAG,
new CheckNotNullLength<EncApRepPartContainer>() );
// --------------------------------------------------------------------------------------------
// Transition from cusec tag to cusec value
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
// ...
// cusec [1] Microseconds,
super.transitions[EncApRepPartStatesEnum.ENC_AP_REP_PART_CUSEC_TAG_STATE.ordinal()][UniversalTag.INTEGER.getValue()] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.ENC_AP_REP_PART_CUSEC_TAG_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_CUSEC_STATE,
UniversalTag.INTEGER,
new StoreCusec() );
// --------------------------------------------------------------------------------------------
// Transition from cusec value to subkey
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
// ...
// subkey [2] <EncryptionKey> OPTIONAL,
super.transitions[EncApRepPartStatesEnum.ENC_AP_REP_PART_CUSEC_STATE.ordinal()][KerberosConstants.ENC_AP_REP_PART_SUB_KEY_TAG] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.ENC_AP_REP_PART_CUSEC_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_SUBKEY_STATE,
KerberosConstants.ENC_AP_REP_PART_SUB_KEY_TAG,
new StoreSubKey() );
// --------------------------------------------------------------------------------------------
// Transition from cusec value to seq-number tag
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
// ...
// seq-number [3] UInt32 OPTIONAL
super.transitions[EncApRepPartStatesEnum.ENC_AP_REP_PART_CUSEC_STATE.ordinal()][KerberosConstants.ENC_AP_REP_PART_SEQ_NUMBER_TAG] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.ENC_AP_REP_PART_CUSEC_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_SEQ_NUMBER_TAG_STATE,
KerberosConstants.ENC_AP_REP_PART_SEQ_NUMBER_TAG,
new CheckNotNullLength<EncApRepPartContainer>() );
// --------------------------------------------------------------------------------------------
// Transition from subkey to seq-number tag
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
// ...
// seq-number [3] UInt32 OPTIONAL
super.transitions[EncApRepPartStatesEnum.ENC_AP_REP_PART_SUBKEY_STATE.ordinal()][KerberosConstants.ENC_AP_REP_PART_SEQ_NUMBER_TAG] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.ENC_AP_REP_PART_SUBKEY_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_SEQ_NUMBER_TAG_STATE,
KerberosConstants.ENC_AP_REP_PART_SEQ_NUMBER_TAG,
new CheckNotNullLength<EncApRepPartContainer>() );
// --------------------------------------------------------------------------------------------
// Transition from seq-number tag to seq-number value
// --------------------------------------------------------------------------------------------
// EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
// ...
// seq-number [3] UInt32 OPTIONAL
// }
super.transitions[EncApRepPartStatesEnum.ENC_AP_REP_PART_SEQ_NUMBER_TAG_STATE.ordinal()][UniversalTag.INTEGER.getValue()] =
new GrammarTransition<EncApRepPartContainer>(
EncApRepPartStatesEnum.ENC_AP_REP_PART_SEQ_NUMBER_TAG_STATE,
EncApRepPartStatesEnum.ENC_AP_REP_PART_SEQ_NUMBER_STATE,
UniversalTag.INTEGER,
new StoreSeqNumber() );
}
/**
* Get the instance of this grammar
*
* @return An instance on the EncApRepPart Grammar
*/
public static Grammar<EncApRepPartContainer> getInstance()
{
return instance;
}
}