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.extras.extended.ads_impl.gracefulDisconnect; 021 022 023import java.nio.ByteBuffer; 024import java.util.Collection; 025import java.util.Iterator; 026 027import org.apache.directory.api.asn1.DecoderException; 028import org.apache.directory.api.asn1.ber.Asn1Decoder; 029import org.apache.directory.api.asn1.ber.tlv.BerValue; 030import org.apache.directory.api.asn1.util.Asn1Buffer; 031import org.apache.directory.api.ldap.codec.api.AbstractExtendedOperationFactory; 032import org.apache.directory.api.ldap.codec.api.ExtendedOperationFactory; 033import org.apache.directory.api.ldap.codec.api.LdapApiService; 034import org.apache.directory.api.ldap.extras.extended.gracefulDisconnect.GracefulDisconnectResponse; 035import org.apache.directory.api.ldap.extras.extended.gracefulDisconnect.GracefulDisconnectResponseImpl; 036import org.apache.directory.api.ldap.model.message.ExtendedRequest; 037import org.apache.directory.api.ldap.model.message.ExtendedResponse; 038 039 040/** 041 * An {@link ExtendedOperationFactory} for creating cancel extended request response 042 * pairs. 043 * 044 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 045 */ 046public class GracefulDisconnectFactory extends AbstractExtendedOperationFactory 047{ 048 /** 049 * Creates a new instance of GracefulDisconnectFactory. 050 * 051 * @param codec The codec for this factory. 052 */ 053 public GracefulDisconnectFactory( LdapApiService codec ) 054 { 055 super( codec, GracefulDisconnectResponse.EXTENSION_OID ); 056 } 057 058 059 /** 060 * {@inheritDoc} 061 */ 062 @Override 063 public ExtendedRequest newRequest() 064 { 065 // Nothing to do (there's no request associated to GracefulDisconnectResponse) 066 return null; 067 } 068 069 070 /** 071 * {@inheritDoc} 072 */ 073 @Override 074 public GracefulDisconnectResponse newResponse() 075 { 076 return new GracefulDisconnectResponseImpl(); 077 } 078 079 080 /** 081 * {@inheritDoc} 082 */ 083 @Override 084 public GracefulDisconnectResponse newResponse( byte[] encodedValue ) throws DecoderException 085 { 086 GracefulDisconnectResponse gracefulDisconnectResponse = new GracefulDisconnectResponseImpl(); 087 decodeValue( gracefulDisconnectResponse, encodedValue ); 088 089 return gracefulDisconnectResponse; 090 } 091 092 093 /** 094 * {@inheritDoc} 095 */ 096 @Override 097 public void decodeValue( ExtendedResponse extendedResponse, byte[] requestValue ) throws DecoderException 098 { 099 ByteBuffer bb = ByteBuffer.wrap( requestValue ); 100 GracefulDisconnectResponseContainer container = new GracefulDisconnectResponseContainer(); 101 container.setGracefulDisconnectResponse( ( GracefulDisconnectResponse ) extendedResponse ); 102 Asn1Decoder.decode( bb, container ); 103 } 104 105 106 private void encodeUrls( Asn1Buffer buffer, Iterator<String> urls ) 107 { 108 if ( urls.hasNext() ) 109 { 110 String url = urls.next(); 111 112 encodeUrls( buffer, urls ); 113 114 BerValue.encodeOctetString( buffer, url ); 115 } 116 } 117 118 119 /** 120 * {@inheritDoc} 121 */ 122 @Override 123 public void encodeValue( Asn1Buffer buffer, ExtendedResponse extendedResponse ) 124 { 125 int start = buffer.getPos(); 126 GracefulDisconnectResponse gracefulDisconnectResponse = ( GracefulDisconnectResponse ) extendedResponse; 127 128 // The URLs if any 129 if ( gracefulDisconnectResponse.getReplicatedContexts() != null ) 130 { 131 Collection<String> urls = gracefulDisconnectResponse.getReplicatedContexts().getLdapUrls(); 132 133 if ( urls.size() != 0 ) 134 { 135 encodeUrls( buffer, urls.iterator() ); 136 137 // The URLs sequence 138 BerValue.encodeSequence( buffer, start ); 139 } 140 } 141 142 // The delay, if any 143 if ( gracefulDisconnectResponse.getDelay() != 0 ) 144 { 145 BerValue.encodeInteger( buffer, 146 ( byte ) GracefulActionConstants.GRACEFUL_ACTION_DELAY_TAG, 147 gracefulDisconnectResponse.getDelay() ); 148 } 149 150 // The timeOffline, if any 151 if ( gracefulDisconnectResponse.getTimeOffline() != 0 ) 152 { 153 BerValue.encodeInteger( buffer, gracefulDisconnectResponse.getTimeOffline() ); 154 } 155 156 // The sequence 157 BerValue.encodeSequence( buffer, start ); 158 } 159}