1 /****************************************************************
2 * Licensed to the Apache Software Foundation (ASF) under one *
3 * or more contributor license agreements. See the NOTICE file *
4 * distributed with this work for additional information *
5 * regarding copyright ownership. The ASF licenses this file *
6 * to you under the Apache License, Version 2.0 (the *
7 * "License"); you may not use this file except in compliance *
8 * with the License. You may obtain a copy of the License at *
9 * *
10 * http://www.apache.org/licenses/LICENSE-2.0 *
11 * *
12 * Unless required by applicable law or agreed to in writing, *
13 * software distributed under the License is distributed on an *
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
15 * KIND, either express or implied. See the License for the *
16 * specific language governing permissions and limitations *
17 * under the License. *
18 ****************************************************************/
19
20 package org.apache.james.jspf.core;
21
22 import org.apache.james.jspf.core.exceptions.NoneException;
23 import org.xbill.DNS.Name;
24 import org.xbill.DNS.TextParseException;
25
26 /**
27 * Represent a DNSRequest
28 */
29 public final class DNSRequest {
30
31 /** The record types for the lookups */
32 public static final int A = 1;
33 public static final int AAAA = 2;
34 public static final int MX = 3;
35 public static final int PTR = 4;
36 public static final int TXT = 5;
37 public static final int SPF = 6;
38
39 /**
40 * The hostname to be resolved
41 */
42 private final String hostname;
43
44 /**
45 * The record type to look for
46 */
47 private final int recordType;
48
49 public DNSRequest(final String hostname, final int recordType) throws NoneException {
50 if (recordType == MX || recordType == A || recordType == AAAA) {
51 try {
52 Name.fromString(hostname);
53 } catch (TextParseException e) {
54 throw new NoneException(e.getMessage());
55 }
56 }
57 this.hostname = hostname;
58 this.recordType = recordType;
59 }
60
61 /**
62 * Return the hostname to process the request for
63 *
64 * @return the hostname
65 */
66 public final String getHostname() {
67 return hostname;
68 }
69
70 /**
71 * Return the RecordType which is use for this request
72 *
73 * @return the RecordType
74 */
75 public final int getRecordType() {
76 return recordType;
77 }
78
79 /**
80 * @see java.lang.Object#toString()
81 */
82 public String toString() {
83 return getHostname()+"#"+getRecordType();
84 }
85 }