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 * https://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.factory; 021 022import org.apache.directory.api.asn1.ber.tlv.BerValue; 023import org.apache.directory.api.asn1.util.Asn1Buffer; 024import org.apache.directory.api.ldap.codec.api.LdapApiService; 025import org.apache.directory.api.ldap.codec.api.LdapCodecConstants; 026import org.apache.directory.api.ldap.model.message.Message; 027import org.apache.directory.api.ldap.model.message.Referral; 028import org.apache.directory.api.ldap.model.message.SearchResultReference; 029 030/** 031 * The SearchResultReference factory. 032 * 033 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 034 */ 035public final class SearchResultReferenceFactory extends ResponseFactory 036{ 037 /** The static instance */ 038 public static final SearchResultReferenceFactory INSTANCE = new SearchResultReferenceFactory(); 039 040 private SearchResultReferenceFactory() 041 { 042 super(); 043 } 044 045 046 /** 047 * Encode the SearchResultReference message to a PDU. 048 * <br> 049 * SearchResultReference : 050 * <pre> 051 * 0x73 LL 052 * 0x04 LL reference 053 * [0x04 LL reference]* 054 * </pre> 055 * 056 * @param buffer The buffer where to put the PDU 057 * @param message the SearchResultReference to encode 058 */ 059 @Override 060 public void encodeReverse( LdapApiService codec, Asn1Buffer buffer, Message message ) 061 { 062 int start = buffer.getPos(); 063 064 SearchResultReference searchResultReference = ( SearchResultReference ) message; 065 066 // The referrals, if any 067 Referral referral = searchResultReference.getReferral(); 068 069 if ( referral != null ) 070 { 071 // Each referral 072 encodeReferralUrls( buffer, referral.getLdapUrls().iterator() ); 073 } 074 075 // The SearchResultEntry tag 076 BerValue.encodeSequence( buffer, LdapCodecConstants.SEARCH_RESULT_REFERENCE_TAG, start ); 077 } 078}