/*
* 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.modifyRequest;
import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
import org.apache.directory.api.asn1.ber.tlv.TLV;
import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
import org.apache.directory.api.ldap.codec.decorators.ModifyRequestDecorator;
import org.apache.directory.api.ldap.model.exception.LdapException;
import org.apache.directory.api.util.StringConstants;
import org.apache.directory.api.util.Strings;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The action used to store a Value to an modifyRequest
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class StoreModifyRequestAttributeValue extends GrammarAction<LdapMessageContainer<ModifyRequestDecorator>>
{
/** The logger */
private static final Logger LOG = LoggerFactory.getLogger( StoreModifyRequestAttributeValue.class );
/** Speedup for logs */
private static final boolean IS_DEBUG = LOG.isDebugEnabled();
/**
* Instantiates a new modify attribute value action.
*/
public StoreModifyRequestAttributeValue()
{
super( "Stores AttributeValue" );
}
/**
* {@inheritDoc}
*/
public void action( LdapMessageContainer<ModifyRequestDecorator> container )
{
ModifyRequestDecorator modifyRequestDecorator = container.getMessage();
TLV tlv = container.getCurrentTLV();
// Store the value. It can't be null
byte[] value = StringConstants.EMPTY_BYTES;
try
{
if ( tlv.getLength() == 0 )
{
modifyRequestDecorator.addAttributeValue( "" );
}
else
{
value = tlv.getValue().getData();
if ( container.isBinary( modifyRequestDecorator.getCurrentAttributeType() ) )
{
modifyRequestDecorator.addAttributeValue( value );
}
else
{
modifyRequestDecorator.addAttributeValue( Strings.utf8ToString( ( byte[] ) value ) );
}
}
}
catch ( LdapException le )
{
// Just swallow the exception, it can't occur here
}
// We can have an END transition
container.setGrammarEndAllowed( true );
if ( IS_DEBUG )
{
LOG.debug( "Value modified : {}", value );
}
}
}