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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 package org.apache.james.jspf.core;
021
022 import org.apache.james.jspf.core.exceptions.NoneException;
023 import org.xbill.DNS.Name;
024 import org.xbill.DNS.TextParseException;
025
026 /**
027 * Represent a DNSRequest
028 */
029 public final class DNSRequest {
030
031 /** The record types for the lookups */
032 public static final int A = 1;
033 public static final int AAAA = 2;
034 public static final int MX = 3;
035 public static final int PTR = 4;
036 public static final int TXT = 5;
037 public static final int SPF = 6;
038
039 /**
040 * The hostname to be resolved
041 */
042 private final String hostname;
043
044 /**
045 * The record type to look for
046 */
047 private final int recordType;
048
049 public DNSRequest(final String hostname, final int recordType) throws NoneException {
050 if (recordType == MX || recordType == A || recordType == AAAA) {
051 try {
052 Name.fromString(hostname);
053 } catch (TextParseException e) {
054 throw new NoneException(e.getMessage());
055 }
056 }
057 this.hostname = hostname;
058 this.recordType = recordType;
059 }
060
061 /**
062 * Return the hostname to process the request for
063 *
064 * @return the hostname
065 */
066 public final String getHostname() {
067 return hostname;
068 }
069
070 /**
071 * Return the RecordType which is use for this request
072 *
073 * @return the RecordType
074 */
075 public final int getRecordType() {
076 return recordType;
077 }
078
079 /**
080 * @see java.lang.Object#toString()
081 */
082 public String toString() {
083 return getHostname()+"#"+getRecordType();
084 }
085 }