| /* |
| * 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 |
| * |
| * https://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.protocol.mina; |
| |
| |
| import java.nio.ByteBuffer; |
| |
| import org.apache.directory.api.asn1.EncoderException; |
| import org.apache.directory.api.asn1.util.Asn1Buffer; |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.codec.api.LdapApiService; |
| import org.apache.directory.api.ldap.codec.api.LdapApiServiceFactory; |
| import org.apache.directory.api.ldap.codec.api.LdapEncoder; |
| import org.apache.directory.api.ldap.model.constants.Loggers; |
| import org.apache.directory.api.ldap.model.message.Message; |
| import org.apache.directory.api.util.Strings; |
| import org.apache.mina.core.buffer.IoBuffer; |
| import org.apache.mina.core.session.IoSession; |
| import org.apache.mina.filter.codec.ProtocolEncoder; |
| import org.apache.mina.filter.codec.ProtocolEncoderOutput; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * A LDAP message encoder. It is based on api-ldap encoder. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class LdapProtocolEncoder implements ProtocolEncoder |
| { |
| /** logger for reporting errors that might not be handled properly upstream */ |
| private static final Logger CODEC_LOG = LoggerFactory.getLogger( Loggers.CODEC_LOG.getName() ); |
| |
| /** The LDAP API Service instance */ |
| private LdapApiService codec; |
| |
| /** A thread local storage used to store the Asn1Buffer instance */ |
| private ThreadLocal<Asn1Buffer> threadLocalStorage = new ThreadLocal<>(); |
| |
| /** |
| * Creates a new instance of LdapProtocolEncoder. |
| */ |
| public LdapProtocolEncoder() |
| { |
| this( LdapApiServiceFactory.getSingleton() ); |
| } |
| |
| /** |
| * Creates a new instance of LdapProtocolEncoder. |
| * |
| * @param ldapApiService The Service to use |
| */ |
| public LdapProtocolEncoder( LdapApiService ldapApiService ) |
| { |
| codec = ldapApiService; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void encode( IoSession session, Object message, ProtocolEncoderOutput out ) throws Exception |
| { |
| Asn1Buffer asn1Buffer = threadLocalStorage.get(); |
| |
| if ( asn1Buffer == null ) |
| { |
| asn1Buffer = new Asn1Buffer(); |
| threadLocalStorage.set( asn1Buffer ); |
| } |
| |
| ByteBuffer encoded; |
| |
| try |
| { |
| LdapEncoder.encodeMessage( asn1Buffer, codec, ( Message ) message ); |
| encoded = asn1Buffer.getBytes(); |
| } |
| catch ( EncoderException e ) |
| { |
| CODEC_LOG.error( I18n.err( I18n.ERR_14000_ERROR_ENCODING_MESSAGE, message, e.getMessage() ) ); |
| throw e; |
| } |
| finally |
| { |
| asn1Buffer.clear(); |
| } |
| |
| IoBuffer ioBuffer = IoBuffer.wrap( encoded ); |
| |
| if ( CODEC_LOG.isDebugEnabled() ) |
| { |
| byte[] dumpBuffer = new byte[encoded.limit()]; |
| encoded.get( dumpBuffer ); |
| encoded.flip(); |
| CODEC_LOG.debug( I18n.msg( I18n.MSG_14003_ENCODED_LDAP_MESSAGE, message, Strings.dumpBytes( dumpBuffer ) ) ); |
| } |
| |
| out.write( ioBuffer ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void dispose( IoSession session ) throws Exception |
| { |
| // Nothing to do |
| } |
| } |