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.shared.ldap.codec.actions.addRequest;
021
022
023import org.apache.directory.shared.asn1.DecoderException;
024import org.apache.directory.shared.asn1.ber.grammar.GrammarAction;
025import org.apache.directory.shared.asn1.ber.tlv.TLV;
026import org.apache.directory.shared.i18n.I18n;
027import org.apache.directory.shared.ldap.codec.api.LdapMessageContainer;
028import org.apache.directory.shared.ldap.codec.api.ResponseCarryingException;
029import org.apache.directory.shared.ldap.codec.decorators.AddRequestDecorator;
030import org.apache.directory.shared.ldap.model.exception.LdapInvalidDnException;
031import org.apache.directory.shared.ldap.model.message.AddResponseImpl;
032import org.apache.directory.shared.ldap.model.message.ResultCodeEnum;
033import org.apache.directory.shared.ldap.model.name.Dn;
034import org.apache.directory.shared.util.Strings;
035import org.slf4j.Logger;
036import org.slf4j.LoggerFactory;
037
038
039/**
040 * The action used to store the AddReqyuest entry name
041 * <pre>
042 * AddRequest ::= [APPLICATION 8] SEQUENCE {
043 *     entry           LDAPDN,
044 *     ...
045 * </pre>
046 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
047 */
048public class StoreAddRequestEntryName extends GrammarAction<LdapMessageContainer<AddRequestDecorator>>
049{
050    /** The logger */
051    private static final Logger LOG = LoggerFactory.getLogger( StoreAddRequestEntryName.class );
052
053    /**
054     * Instantiates a new action.
055     */
056    public StoreAddRequestEntryName()
057    {
058        super( "Store Add request entry Name" );
059    }
060
061
062    /**
063     * {@inheritDoc}
064     */
065    public void action( LdapMessageContainer<AddRequestDecorator> container ) throws DecoderException
066    {
067        AddRequestDecorator addRequest = container.getMessage();
068
069        TLV tlv = container.getCurrentTLV();
070
071        // Store the entry. It can't be null
072        if ( tlv.getLength() == 0 )
073        {
074            String msg = I18n.err( I18n.ERR_04085 );
075            LOG.error( msg );
076
077            AddResponseImpl response = new AddResponseImpl( addRequest.getMessageId() );
078
079            // I guess that trying to add an entry which Dn is empty is a naming violation...
080            // Not 100% sure though ...
081            throw new ResponseCarryingException( msg, response, ResultCodeEnum.NAMING_VIOLATION,
082                Dn.EMPTY_DN, null );
083        }
084        else
085        {
086            Dn entryDn = null;
087            byte[] dnBytes = tlv.getValue().getData();
088            String dnStr = Strings.utf8ToString(dnBytes);
089
090            try
091            {
092                entryDn = new Dn( dnStr );
093            }
094            catch ( LdapInvalidDnException ine )
095            {
096                String msg = "Invalid Dn given : " + dnStr + " (" + Strings.dumpBytes(dnBytes)
097                    + ") is invalid";
098                LOG.error( "{} : {}", msg, ine.getMessage() );
099
100                AddResponseImpl response = new AddResponseImpl( addRequest.getMessageId() );
101                throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX,
102                    Dn.EMPTY_DN, ine );
103            }
104
105            addRequest.setEntryDn( entryDn );
106        }
107
108        LOG.debug( "Adding an entry with Dn : {}", addRequest.getEntry() );
109    }
110}