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 *    http://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 */
020package org.apache.directory.api.ldap.codec.actions.bindRequest;
021
022
023import org.apache.directory.api.asn1.DecoderException;
024import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
025import org.apache.directory.api.asn1.ber.tlv.TLV;
026import org.apache.directory.api.i18n.I18n;
027import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
028import org.apache.directory.api.ldap.codec.decorators.BindRequestDecorator;
029import org.apache.directory.api.ldap.model.message.BindRequest;
030import org.apache.directory.api.ldap.model.message.BindRequestImpl;
031import org.slf4j.Logger;
032import org.slf4j.LoggerFactory;
033
034
035/**
036 * The action used to initialize the BindRequest
037 * <pre>
038 * LdapMessage ::= ... BindRequest ...
039 * BindRequest ::= [APPLICATION 0] SEQUENCE { ...
040 * </pre>
041 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
042 */
043public class InitBindRequest extends GrammarAction<LdapMessageContainer<BindRequestDecorator>>
044{
045    /** The logger */
046    private static final Logger LOG = LoggerFactory.getLogger( InitBindRequest.class );
047
048
049    /**
050     * Instantiates a new action.
051     */
052    public InitBindRequest()
053    {
054        super( "Init BindRequest" );
055    }
056
057
058    /**
059     * {@inheritDoc}
060     */
061    public void action( LdapMessageContainer<BindRequestDecorator> container ) throws DecoderException
062    {
063        // Create the BindRequest LdapMessage instance and store it in the container
064        BindRequest internalBindRequest = new BindRequestImpl();
065        internalBindRequest.setMessageId( container.getMessageId() );
066        BindRequestDecorator bindRequest = new BindRequestDecorator(
067            container.getLdapCodecService(), internalBindRequest );
068        container.setMessage( bindRequest );
069
070        // We will check that the request is not null
071        TLV tlv = container.getCurrentTLV();
072
073        if ( tlv.getLength() == 0 )
074        {
075            String msg = I18n.err( I18n.ERR_04077 );
076            LOG.error( msg );
077
078            // This will generate a PROTOCOL_ERROR
079            throw new DecoderException( msg );
080        }
081    }
082}