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.addRequest;
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.AddRequestDecorator;
029import org.apache.directory.api.ldap.model.message.AddRequest;
030import org.apache.directory.api.ldap.model.message.AddRequestImpl;
031import org.slf4j.Logger;
032import org.slf4j.LoggerFactory;
033
034
035/**
036 * The action used to initialize the AddRequest response
037 * <pre>
038 * LdapMessage ::= ... AddRequest ...
039 * AddRequest ::= [APPLICATION 8] SEQUENCE { ...
040 * </pre>
041 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
042 */
043public class InitAddRequest extends GrammarAction<LdapMessageContainer<AddRequestDecorator>>
044{
045    /** The logger */
046    private static final Logger LOG = LoggerFactory.getLogger( InitAddRequest.class );
047
048
049    /**
050     * Instantiates a new action.
051     */
052    public InitAddRequest()
053    {
054        super( "Init AddRequest" );
055    }
056
057
058    /**
059     * {@inheritDoc}
060     */
061    public void action( LdapMessageContainer<AddRequestDecorator> container ) throws DecoderException
062    {
063        // Now, we can allocate the AddRequest Object
064        int messageId = container.getMessageId();
065        AddRequest internalAddRequest = new AddRequestImpl();
066        internalAddRequest.setMessageId( messageId );
067        AddRequestDecorator addRequest = new AddRequestDecorator(
068            container.getLdapCodecService(), internalAddRequest );
069        container.setMessage( addRequest );
070
071        // We will check that the request is not null
072        TLV tlv = container.getCurrentTLV();
073
074        if ( tlv.getLength() == 0 )
075        {
076            String msg = I18n.err( I18n.ERR_04084 );
077            LOG.error( msg );
078
079            // Will generate a PROTOCOL_ERROR
080            throw new DecoderException( msg );
081        }
082    }
083}