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
021 package org.apache.james.jspf.terms;
022
023 import org.apache.james.jspf.core.Inet6Util;
024
025 /**
026 * This class represent the ip6 mechanism
027 *
028 */
029 public class IP6Mechanism extends IP4Mechanism {
030
031 /**
032 * ABNF: IP6 = "ip6" ":" ip6-network [ ip6-cidr-length ]
033 */
034 public static final String REGEX = "[iI][pP][6]"
035 + "\\:([0-9A-Fa-f\\:\\.]+)" + "(?:" + IP6_CIDR_LENGTH_REGEX + ")?";
036
037 /**
038 * @see org.apache.james.jspf.terms.IP4Mechanism#isValidAddress(String)
039 */
040 protected boolean isValidAddress(String ipString) {
041 return Inet6Util.isValidIP6Address(ipString);
042 }
043
044 /**
045 * @see org.apache.james.jspf.terms.IP4Mechanism#getMaxCidr()
046 */
047 protected int getMaxCidr() {
048 return 128;
049 }
050
051
052 /**
053 * @see java.lang.Object#toString()
054 */
055 public String toString() {
056 if (getIp().getMaskLength() == getMaxCidr()) {
057 return "ip6:"+getIp().getIPAddress();
058 } else {
059 return "ip6:"+getIp().getIPAddress()+"/"+getIp().getMaskLength();
060 }
061 }
062
063 }