/*
* 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
*
* http://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.codec.actions.delRequest;
import org.apache.directory.api.asn1.DecoderException;
import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
import org.apache.directory.api.asn1.ber.tlv.TLV;
import org.apache.directory.api.i18n.I18n;
import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
import org.apache.directory.api.ldap.codec.api.ResponseCarryingException;
import org.apache.directory.api.ldap.codec.decorators.DeleteRequestDecorator;
import org.apache.directory.api.ldap.model.exception.LdapInvalidDnException;
import org.apache.directory.api.ldap.model.message.DeleteRequest;
import org.apache.directory.api.ldap.model.message.DeleteRequestImpl;
import org.apache.directory.api.ldap.model.message.DeleteResponseImpl;
import org.apache.directory.api.ldap.model.message.ResultCodeEnum;
import org.apache.directory.api.ldap.model.name.Dn;
import org.apache.directory.api.util.Strings;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The action used to initialize the DelRequest.
* <pre>
* LdapMessage ::= ... DelRequest ...
* delRequest ::= [APPLICATION 10] LDAPDN
*
* We store the Dn to bve deleted into the DelRequest object
* </pre>
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class InitDelRequest extends GrammarAction<LdapMessageContainer<DeleteRequestDecorator>>
{
/** The logger */
private static final Logger LOG = LoggerFactory.getLogger( InitDelRequest.class );
/** Speedup for logs */
private static final boolean IS_DEBUG = LOG.isDebugEnabled();
/**
* Instantiates a new action.
*/
public InitDelRequest()
{
super( "Delete Request initialization" );
}
/**
* {@inheritDoc}
*/
public void action( LdapMessageContainer<DeleteRequestDecorator> container ) throws DecoderException
{
// Create the DeleteRequest LdapMessage instance and store it in the container
DeleteRequest internaldelRequest = new DeleteRequestImpl();
internaldelRequest.setMessageId( container.getMessageId() );
DeleteRequestDecorator delRequest = new DeleteRequestDecorator(
container.getLdapCodecService(), internaldelRequest );
container.setMessage( delRequest );
// And store the Dn into it
// Get the Value and store it in the DelRequest
TLV tlv = container.getCurrentTLV();
// We have to handle the special case of a 0 length matched
// Dn
Dn entry = null;
if ( tlv.getLength() == 0 )
{
// This will generate a PROTOCOL_ERROR
throw new DecoderException( I18n.err( I18n.ERR_04073 ) );
}
else
{
byte[] dnBytes = tlv.getValue().getData();
String dnStr = Strings.utf8ToString( dnBytes );
try
{
entry = new Dn( dnStr );
}
catch ( LdapInvalidDnException ine )
{
String msg = I18n.err( I18n.ERR_04074, dnStr, Strings.dumpBytes( dnBytes ), ine
.getLocalizedMessage() );
LOG.error( msg );
DeleteResponseImpl response = new DeleteResponseImpl( delRequest.getMessageId() );
throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX,
Dn.EMPTY_DN, ine );
}
delRequest.setName( entry );
}
// We can have an END transition
container.setGrammarEndAllowed( true );
if ( IS_DEBUG )
{
LOG.debug( "Deleting Dn {}", entry );
}
}
}