| /* |
| * 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.factory; |
| |
| import org.apache.directory.api.asn1.ber.tlv.BerValue; |
| import org.apache.directory.api.asn1.util.Asn1Buffer; |
| import org.apache.directory.api.ldap.codec.api.ExtendedOperationFactory; |
| import org.apache.directory.api.ldap.codec.api.LdapApiService; |
| import org.apache.directory.api.ldap.codec.api.LdapCodecConstants; |
| import org.apache.directory.api.ldap.model.message.ExtendedResponse; |
| import org.apache.directory.api.ldap.model.message.Message; |
| import org.apache.directory.api.ldap.model.message.OpaqueExtendedResponse; |
| import org.apache.directory.api.util.Strings; |
| |
| /** |
| * The ExtendedResponse factory. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public final class ExtendedResponseFactory extends ResponseFactory |
| { |
| /** The static instance */ |
| public static final ExtendedResponseFactory INSTANCE = new ExtendedResponseFactory(); |
| |
| private ExtendedResponseFactory() |
| { |
| super(); |
| } |
| |
| |
| /** |
| * Encode the ExtendedResponse message to a PDU. |
| * <br> |
| * ExtendedResponse : |
| * <pre> |
| * 0x78 L1 |
| * | |
| * +--> LdapResult |
| * [+--> 0x8A LL abcd responseName] |
| * [+--> 0x8B LL abcd responseValue] |
| * </pre> |
| * |
| * @param codec The LdapApiService instance |
| * @param buffer The buffer where to put the PDU |
| * @param message the ExtendedResponse to encode |
| */ |
| @Override |
| public void encodeReverse( LdapApiService codec, Asn1Buffer buffer, Message message ) |
| { |
| int start = buffer.getPos(); |
| ExtendedResponse extendedResponse = ( ExtendedResponse ) message; |
| |
| // The responseValue, if any |
| ExtendedOperationFactory factory = codec.getExtendedResponseFactories(). |
| get( extendedResponse.getResponseName() ); |
| |
| if ( factory != null ) |
| { |
| factory.encodeValue( buffer, extendedResponse ); |
| |
| if ( buffer.getPos() > start ) |
| { |
| BerValue.encodeSequence( buffer, |
| ( byte ) LdapCodecConstants.EXTENDED_RESPONSE_VALUE_TAG, |
| start ); |
| } |
| } |
| else |
| { |
| byte[] responseValue = ( ( OpaqueExtendedResponse ) extendedResponse ).getResponseValue(); |
| |
| if ( !Strings.isEmpty( responseValue ) ) |
| { |
| BerValue.encodeOctetString( buffer, |
| ( byte ) LdapCodecConstants.EXTENDED_RESPONSE_VALUE_TAG, responseValue ); |
| } |
| } |
| |
| // The responseName, if any |
| if ( !Strings.isEmpty( extendedResponse.getResponseName() ) ) |
| { |
| BerValue.encodeOctetString( buffer, |
| ( byte ) LdapCodecConstants.EXTENDED_RESPONSE_NAME_TAG, |
| extendedResponse.getResponseName() ); |
| } |
| |
| // The LDAPResult part |
| encodeLdapResultReverse( buffer, extendedResponse.getLdapResult() ); |
| |
| // The sequence |
| BerValue.encodeSequence( buffer, LdapCodecConstants.EXTENDED_RESPONSE_TAG, start ); |
| } |
| } |