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.controls.proxiedauthz;
021
022
023import org.apache.directory.api.asn1.DecoderException;
024import org.apache.directory.api.asn1.util.Asn1Buffer;
025import org.apache.directory.api.ldap.codec.api.AbstractControlFactory;
026import org.apache.directory.api.ldap.codec.api.ControlFactory;
027import org.apache.directory.api.ldap.codec.api.LdapApiService;
028import org.apache.directory.api.ldap.model.message.Control;
029import org.apache.directory.api.ldap.model.message.controls.ProxiedAuthz;
030import org.apache.directory.api.ldap.model.message.controls.ProxiedAuthzImpl;
031import org.apache.directory.api.util.Strings;
032
033
034/**
035 * A {@link ControlFactory} for {@link ProxiedAuthz} controls.
036 *
037 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
038 * @version $Rev$, $Date$
039 */
040public class ProxiedAuthzFactory extends AbstractControlFactory<ProxiedAuthz>
041{
042    /**
043     * Creates a new instance of ProxiedAuthzFactory.
044     *
045     * @param codec The LDAP codec.
046     */
047    public ProxiedAuthzFactory( LdapApiService codec )
048    {
049        super( codec, ProxiedAuthz.OID );
050    }
051
052
053    /**
054     * {@inheritDoc}
055     */
056    @Override
057    public ProxiedAuthz newControl()
058    {
059        return new ProxiedAuthzImpl();
060    }
061
062
063    /**
064     * {@inheritDoc}
065     */
066    @Override
067    public void encodeValue( Asn1Buffer buffer, Control control )
068    {
069        byte[] authzId = Strings.getBytesUtf8( ( ( ProxiedAuthz ) control ).getAuthzId() );
070
071        if ( authzId != null )
072        {
073            buffer.put( authzId );
074        }
075    }
076    
077    
078    /**
079     * {@inheritDoc}
080     */
081    public void decodeValue( Control control, byte[] controlBytes ) throws DecoderException
082    {
083        try
084        {
085            ( ( ProxiedAuthz ) control ).setAuthzId( Strings.utf8ToString( controlBytes ) );
086        }
087        catch ( RuntimeException re )
088        {
089            throw new DecoderException( re.getMessage() );
090        }
091    }
092}