001/* 002 * (C) Copyright 2010 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Robert Browning - initial implementation 018 * Nuxeo - code review and integration 019 */ 020package org.nuxeo.ecm.directory.ldap.dns; 021 022/** 023 * Encapsulates a hostname and port. 024 */ 025public class DNSServiceEntry implements Comparable<DNSServiceEntry> { 026 027 private final String host; 028 029 private final int port; 030 031 private final int priority; 032 033 private final int weight; 034 035 public DNSServiceEntry(String host, int port, int priority, int weight) { 036 this.host = host; 037 this.port = port; 038 this.priority = priority; 039 this.weight = weight; 040 } 041 042 /** 043 * Get the priority of this DNS entry, descending priority 0(highest)..Integer.MAX_VALUE(lowest) 044 */ 045 public int getPriority() { 046 return priority; 047 } 048 049 /** 050 * Get the weight of this DNS entry to compare entries with equal priority, ascending weight 051 * 0(lowest)..Integer.MAX_VALUE(highest) 052 */ 053 public int getWeight() { 054 return weight; 055 } 056 057 /** 058 * Returns the hostname. 059 */ 060 public String getHost() { 061 return host; 062 } 063 064 /** 065 * Returns the port. 066 */ 067 public int getPort() { 068 return port; 069 } 070 071 /** 072 * Return the hostname in the form (hostname:port) 073 */ 074 @Override 075 public String toString() { 076 return host + ":" + port; 077 } 078 079 /** 080 * @see java.lang.Object#equals(java.lang.Object) 081 */ 082 @Override 083 public boolean equals(Object o) { 084 if (this == o) { 085 return true; 086 } 087 if (!(o instanceof DNSServiceEntry)) { 088 return false; 089 } 090 091 final DNSServiceEntry address = (DNSServiceEntry) o; 092 093 if (!host.equals(address.host)) { 094 return false; 095 } 096 return port == address.port; 097 } 098 099 /** 100 * @see java.lang.Object#hashCode() 101 */ 102 @Override 103 public int hashCode() { 104 return toString().hashCode(); 105 } 106 107 /** 108 * @see java.lang.Comparable#compareTo(java.lang.Object) 109 */ 110 @Override 111 public int compareTo(DNSServiceEntry o) { 112 if (o.priority == priority) { 113 return o.weight - weight; 114 } 115 return priority - o.priority; 116 } 117}