/*
* 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.server.ldap;
import org.apache.directory.server.core.DirectoryService;
import org.apache.directory.shared.asn1.codec.Asn1CodecDecoder;
import org.apache.directory.shared.asn1.codec.Asn1CodecEncoder;
import org.apache.directory.shared.ldap.message.MessageDecoder;
import org.apache.directory.shared.ldap.message.MessageEncoder;
import org.apache.directory.shared.ldap.message.spi.BinaryAttributeDetector;
import org.apache.directory.shared.ldap.schema.AttributeType;
import org.apache.directory.shared.ldap.schema.SchemaManager;
import org.apache.directory.shared.ldap.util.StringTools;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.codec.ProtocolCodecFactory;
import org.apache.mina.filter.codec.ProtocolDecoder;
import org.apache.mina.filter.codec.ProtocolEncoder;
/**
* An LDAP BER Decoder/Encoder factory implementing {@link ProtocolCodecFactory}.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$
*/
final class LdapProtocolCodecFactory implements ProtocolCodecFactory
{
/** the directory service for which this factor generates codecs */
final private DirectoryService directoryService;
/** The tag stored into the session if we want to set a max PDU size */
public final static String MAX_PDU_SIZE = "MAX_PDU_SIZE";
/**
* Creates a new instance of LdapProtocolCodecFactory.
*
* @param directoryService the {@link DirectoryService} for which this
* factory generates codecs.
*/
public LdapProtocolCodecFactory( DirectoryService directoryService )
{
this.directoryService = directoryService;
}
/*
* (non-Javadoc)
* @see org.apache.mina.filter.codec.ProtocolCodecFactory#getEncoder()
*/
public ProtocolEncoder getEncoder( IoSession session )
{
return new Asn1CodecEncoder( new MessageEncoder() );
}
/*
* (non-Javadoc)
* @see org.apache.mina.filter.codec.ProtocolCodecFactory#getDecoder()
*/
public ProtocolDecoder getDecoder( IoSession session )
{
return new Asn1CodecDecoder( new MessageDecoder( new BinaryAttributeDetector()
{
public boolean isBinary( String id )
{
SchemaManager schemaManager = directoryService.getSchemaManager();
try
{
AttributeType type = schemaManager.lookupAttributeTypeRegistry( id );
return ! type.getSyntax().isHumanReadable();
}
catch ( Exception e )
{
if ( StringTools.isEmpty( id ) )
{
return false;
}
return id.endsWith( ";binary" );
}
}
},
directoryService.getMaxPDUSize() ) );
}
}