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 */ 020 021package org.apache.directory.server.dns.messages; 022 023 024import org.apache.directory.server.dns.util.EnumConverter; 025import org.apache.directory.server.dns.util.ReverseEnumMap; 026 027 028/** 029 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 030 */ 031public enum ResponseCode implements EnumConverter<Byte> 032{ 033 /** No error condition. */ 034 NO_ERROR(0), 035 036 /** The name server was unable to interpret the query. */ 037 FORMAT_ERROR(1), 038 039 /** The name server was unable to process this query due to a problem with the name server. */ 040 SERVER_FAILURE(2), 041 042 /** The domain name referenced in the query does not exist. */ 043 NAME_ERROR(3), 044 045 /** The name server does not support the requested kind of query. */ 046 NOT_IMPLEMENTED(4), 047 048 /** The name server refuses to perform the specified operation for policy reasons. */ 049 REFUSED(5); 050 051 private static ReverseEnumMap<Byte, ResponseCode> map = new ReverseEnumMap<>( ResponseCode.class ); 052 053 private final byte value; 054 055 056 ResponseCode( int value ) 057 { 058 this.value = ( byte ) value; 059 } 060 061 062 public Byte convert() 063 { 064 return this.value; 065 } 066 067 068 /** 069 * Converts an ordinal value into a {@link ResponseCode}. 070 * 071 * @param value 072 * @return The {@link ResponseCode}. 073 */ 074 public static ResponseCode convert( byte value ) 075 { 076 return map.get( value ); 077 } 078}