| /* |
| * 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 |
| * |
| * https://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.api.ldap.extras.controls.syncrepl_impl; |
| |
| |
| import org.apache.directory.api.asn1.DecoderException; |
| import org.apache.directory.api.asn1.ber.grammar.AbstractGrammar; |
| import org.apache.directory.api.asn1.ber.grammar.Grammar; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarAction; |
| import org.apache.directory.api.asn1.ber.grammar.GrammarTransition; |
| import org.apache.directory.api.asn1.ber.tlv.BerValue; |
| import org.apache.directory.api.asn1.ber.tlv.BooleanDecoder; |
| import org.apache.directory.api.asn1.ber.tlv.BooleanDecoderException; |
| import org.apache.directory.api.asn1.ber.tlv.UniversalTag; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.util.Strings; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * |
| * Implementation of SyncDoneValueControl. All the actions are declared in |
| * this class. As it is a singleton, these declaration are only done once. |
| * |
| * The decoded grammar is as follows : |
| * |
| * syncDoneValue ::= SEQUENCE |
| * { |
| * cookie syncCookie OPTIONAL, |
| * refreshDeletes BOOLEAN DEFAULT FALSE |
| * } |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public final class SyncDoneValueGrammar extends AbstractGrammar<SyncDoneValueContainer> |
| { |
| |
| /** the logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( SyncDoneValueGrammar.class ); |
| |
| /** SyncDoneValueControlGrammar singleton instance */ |
| private static final SyncDoneValueGrammar INSTANCE = new SyncDoneValueGrammar(); |
| |
| |
| /** |
| * |
| * Creates a new instance of SyncDoneValueControlGrammar. |
| * |
| */ |
| @SuppressWarnings("unchecked") |
| private SyncDoneValueGrammar() |
| { |
| setName( SyncDoneValueGrammar.class.getName() ); |
| |
| super.transitions = new GrammarTransition[SyncDoneValueStatesEnum.LAST_SYNC_DONE_VALUE_STATE.ordinal()][256]; |
| |
| /** |
| * Transition from initial state to SyncDoneValue sequence |
| * SyncDoneValue ::= SEQUENCE { |
| * ... |
| * |
| * Initialize the syncDoneValue object |
| */ |
| super.transitions[SyncDoneValueStatesEnum.START_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] = new GrammarTransition<SyncDoneValueContainer>( |
| SyncDoneValueStatesEnum.START_STATE, SyncDoneValueStatesEnum.SYNC_DONE_VALUE_SEQUENCE_STATE, |
| UniversalTag.SEQUENCE.getValue(), |
| new GrammarAction<SyncDoneValueContainer>( "Initialization" ) |
| { |
| public void action( SyncDoneValueContainer container ) |
| { |
| // As all the values are optional or defaulted, we can end here |
| container.setGrammarEndAllowed( true ); |
| } |
| } ); |
| |
| /** |
| * transition from start to cookie |
| * { |
| * cookie syncCookie OPTIONAL |
| * .... |
| * } |
| */ |
| super.transitions[SyncDoneValueStatesEnum.SYNC_DONE_VALUE_SEQUENCE_STATE.ordinal()][UniversalTag.OCTET_STRING |
| .getValue()] = |
| new GrammarTransition<SyncDoneValueContainer>( SyncDoneValueStatesEnum.SYNC_DONE_VALUE_SEQUENCE_STATE, |
| SyncDoneValueStatesEnum.COOKIE_STATE, UniversalTag.OCTET_STRING.getValue(), |
| new GrammarAction<SyncDoneValueContainer>( "Set SyncDoneValueControl cookie" ) |
| { |
| public void action( SyncDoneValueContainer container ) |
| { |
| BerValue value = container.getCurrentTLV().getValue(); |
| |
| byte[] cookie = value.getData(); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_08000_COOKIE, Strings.dumpBytes( cookie ) ) ); |
| } |
| |
| container.getSyncDoneValue().setCookie( cookie ); |
| |
| container.setGrammarEndAllowed( true ); |
| } |
| } ); |
| |
| GrammarAction<SyncDoneValueContainer> refreshDeletesTagAction = |
| new GrammarAction<SyncDoneValueContainer>( "set SyncDoneValueControl refreshDeletes flag" ) |
| { |
| public void action( SyncDoneValueContainer container ) throws DecoderException |
| { |
| BerValue value = container.getCurrentTLV().getValue(); |
| |
| try |
| { |
| boolean refreshDeletes = BooleanDecoder.parse( value ); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_08001_REFRESH_DELETES, refreshDeletes ) ); |
| } |
| |
| container.getSyncDoneValue().setRefreshDeletes( refreshDeletes ); |
| |
| // the END transition for grammar |
| container.setGrammarEndAllowed( true ); |
| } |
| catch ( BooleanDecoderException be ) |
| { |
| String msg = I18n.err( I18n.ERR_08001_CANNOT_DECODE_REFRESH_DELETES ); |
| LOG.error( msg, be ); |
| throw new DecoderException( msg, be ); |
| } |
| |
| } |
| }; |
| /** |
| * transition from cookie to refreshDeletes |
| * { |
| * .... |
| * refreshDeletes BOOLEAN DEFAULT FALSE |
| * } |
| */ |
| super.transitions[SyncDoneValueStatesEnum.COOKIE_STATE.ordinal()][UniversalTag.BOOLEAN.getValue()] = |
| new GrammarTransition<SyncDoneValueContainer>( |
| SyncDoneValueStatesEnum.COOKIE_STATE, SyncDoneValueStatesEnum.REFRESH_DELETES_STATE, |
| UniversalTag.BOOLEAN.getValue(), refreshDeletesTagAction ); |
| |
| /** |
| * transition from SEQUENCE to refreshDeletes |
| * { |
| * .... |
| * refreshDeletes BOOLEAN DEFAULT FALSE |
| * } |
| */ |
| super.transitions[SyncDoneValueStatesEnum.SYNC_DONE_VALUE_SEQUENCE_STATE.ordinal()][UniversalTag.BOOLEAN |
| .getValue()] = |
| new GrammarTransition<SyncDoneValueContainer>( SyncDoneValueStatesEnum.SYNC_DONE_VALUE_SEQUENCE_STATE, |
| SyncDoneValueStatesEnum.REFRESH_DELETES_STATE, UniversalTag.BOOLEAN.getValue(), refreshDeletesTagAction ); |
| } |
| |
| |
| /** |
| * @return the singleton instance of the SyncDoneValueControlGrammar |
| */ |
| public static Grammar<SyncDoneValueContainer> getInstance() |
| { |
| return INSTANCE; |
| } |
| } |