| /* |
| * 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.extended.ads_impl.pwdModify; |
| |
| |
| 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.UniversalTag; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.util.Strings; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * This class implements the PasswordModifyResponse extended operation's ASN.1 grammer. |
| * All the actions are declared in this class. As it is a singleton, |
| * these declaration are only done once. The grammar is : |
| * |
| * <pre> |
| * PasswdModifyResponseValue ::= SEQUENCE { |
| * genPasswd [0] OCTET STRING OPTIONAL } |
| * </pre> |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| |
| public class PasswordModifyResponseGrammar extends AbstractGrammar<PasswordModifyResponseContainer> |
| { |
| |
| /** logger */ |
| private static final Logger LOG = LoggerFactory.getLogger( PasswordModifyResponseGrammar.class ); |
| |
| /** The instance of grammar. PasswdModifyResponseGrammar is a singleton */ |
| private static Grammar<PasswordModifyResponseContainer> instance = new PasswordModifyResponseGrammar(); |
| |
| |
| /** |
| * Creates a new PasswordModifyResponseGrammar object. |
| */ |
| @SuppressWarnings("unchecked") |
| public PasswordModifyResponseGrammar() |
| { |
| setName( PasswordModifyResponseGrammar.class.getName() ); |
| |
| // Create the transitions table |
| super.transitions = new GrammarTransition[PasswordModifyResponseStatesEnum.LAST_PASSWORD_MODIFY_RESPONSE_STATE |
| .ordinal()][256]; |
| |
| /** |
| * Transition from init state to PasswordModify Response Value |
| * |
| * PasswdModifyResponseValue ::= SEQUENCE { |
| * ... |
| * |
| * Creates the PasswdModifyResponse object |
| */ |
| super.transitions[PasswordModifyResponseStatesEnum.START_STATE.ordinal()][UniversalTag.SEQUENCE.getValue()] = |
| new GrammarTransition<PasswordModifyResponseContainer>( |
| PasswordModifyResponseStatesEnum.START_STATE, |
| PasswordModifyResponseStatesEnum.PASSWORD_MODIFY_RESPONSE_SEQUENCE_STATE, |
| UniversalTag.SEQUENCE.getValue(), new GrammarAction<PasswordModifyResponseContainer>( |
| "Init PasswordModifyResponse" ) |
| { |
| public void action( PasswordModifyResponseContainer container ) |
| { |
| if ( container.getCurrentTLV().getLength() == 0 ) |
| { |
| // We may have nothing left |
| container.setGrammarEndAllowed( true ); |
| } |
| } |
| } ); |
| |
| /** |
| * Transition from PasswordModify Response Value to genPassword |
| * |
| * PasswdModifyResponseValue ::= SEQUENCE { |
| * genPassword [0] OCTET STRING OPTIONAL |
| * ... |
| * |
| * Set the userIdentity into the PasswdModifyResponset instance. |
| */ |
| super.transitions[PasswordModifyResponseStatesEnum.PASSWORD_MODIFY_RESPONSE_SEQUENCE_STATE.ordinal()][PasswordModifyResponseConstants.GEN_PASSWORD_TAG] = |
| new GrammarTransition<PasswordModifyResponseContainer>( |
| PasswordModifyResponseStatesEnum.PASSWORD_MODIFY_RESPONSE_SEQUENCE_STATE, |
| PasswordModifyResponseStatesEnum.GEN_PASSWORD_STATE, |
| PasswordModifyResponseConstants.GEN_PASSWORD_TAG, |
| new GrammarAction<PasswordModifyResponseContainer>( "Set PasswordModifyResponse user identity" ) |
| { |
| public void action( PasswordModifyResponseContainer container ) |
| { |
| BerValue value = container.getCurrentTLV().getValue(); |
| |
| byte[] genPassword = value.getData(); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_08205_GEN_PASSWORD ) ); |
| } |
| |
| if ( genPassword == null ) |
| { |
| genPassword = Strings.EMPTY_BYTES; |
| } |
| |
| container.getPwdModifyResponse().setGenPassword( genPassword ); |
| |
| // We may have nothing left |
| container.setGrammarEndAllowed( true ); |
| } |
| } ); |
| } |
| |
| |
| /** |
| * This class is a singleton. |
| * |
| * @return An instance on this grammar |
| */ |
| public static Grammar<PasswordModifyResponseContainer> getInstance() |
| { |
| return instance; |
| } |
| } |