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.request.modifydn;
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.api.ResponseCarryingException;
029import org.apache.directory.api.ldap.model.exception.LdapInvalidDnException;
030import org.apache.directory.api.ldap.model.message.ModifyDnRequest;
031import org.apache.directory.api.ldap.model.message.ModifyDnResponseImpl;
032import org.apache.directory.api.ldap.model.message.ResultCodeEnum;
033import org.apache.directory.api.ldap.model.name.Dn;
034import org.apache.directory.api.ldap.model.name.Rdn;
035import org.apache.directory.api.util.Strings;
036import org.slf4j.Logger;
037import org.slf4j.LoggerFactory;
038
039
040/**
041 * The action used to store the ModifyDnRequest new RDN
042 * <pre>
043 * ModifyDNRequest ::= [APPLICATION 12] SEQUENCE { ...
044 *     ...
045 *     newrdn  RelativeRDN,
046 *     ...
047 *
048 * RelativeRDN :: LDAPString
049 * </pre>
050 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
051 */
052public class StoreModifyDnRequestNewRdn extends GrammarAction<LdapMessageContainer<ModifyDnRequest>>
053{
054    /** The logger */
055    private static final Logger LOG = LoggerFactory.getLogger( StoreModifyDnRequestNewRdn.class );
056
057    /**
058     * Instantiates a new action.
059     */
060    public StoreModifyDnRequestNewRdn()
061    {
062        super( "Store ModifyDN request new RDN" );
063    }
064
065
066    /**
067     * {@inheritDoc}
068     */
069    @Override
070    public void action( LdapMessageContainer<ModifyDnRequest> container ) throws DecoderException
071    {
072        ModifyDnRequest modifyDnRequest = container.getMessage();
073
074        // Get the Value and store it in the modifyDNRequest
075        TLV tlv = container.getCurrentTLV();
076
077        // We have to handle the special case of a 0 length matched
078        // newDN
079        if ( tlv.getLength() == 0 )
080        {
081            String msg = I18n.err( I18n.ERR_05126_RDN_MUST_NOT_BE_NULL );
082            LOG.error( msg );
083
084            ModifyDnResponseImpl response = new ModifyDnResponseImpl( modifyDnRequest.getMessageId() );
085            throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX,
086                modifyDnRequest.getName(), null );
087        }
088        else
089        {
090            byte[] dnBytes = tlv.getValue().getData();
091            String dnStr = Strings.utf8ToString( dnBytes );
092
093            try
094            {
095                Dn dn = new Dn( dnStr );
096                Rdn newRdn = dn.getRdn( dn.size() - 1 );
097                modifyDnRequest.setNewRdn( newRdn );
098            }
099            catch ( LdapInvalidDnException ine )
100            {
101                String msg = I18n.err( I18n.ERR_05127_INVALID_NEW_RDN, dnStr, Strings.dumpBytes( dnBytes ) );
102                LOG.error( I18n.err( I18n.ERR_05114_ERROR_MESSAGE, msg, ine.getMessage() ) );
103
104                ModifyDnResponseImpl response = new ModifyDnResponseImpl( modifyDnRequest.getMessageId() );
105                throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX,
106                    modifyDnRequest.getName(), ine );
107            }
108        }
109
110        if ( LOG.isDebugEnabled() )
111        {
112            LOG.debug( I18n.msg( I18n.MSG_05138_MODIFYING_WITH_NEW_RDN, modifyDnRequest.getNewRdn() ) );
113        }
114    }
115}