org.apache.activemq.artemis.utils.IPV6Util Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.artemis.utils;
public class IPV6Util {
/**
* It will enclose an IPV6 host with [], that we need before building URIs
*/
public static String encloseHost(final String host) {
// if the host contains a ':' then we know it's not IPv4
if (host != null && host.contains(":")) {
String hostToCheck = host;
/* strip off zone index since org.apache.activemq.artemis.shaded.com.google.common.net.InetAddresses.isInetAddress() doesn't support it
* see https://en.wikipedia.org/wiki/IPv6_address#Link-local_addresses_and_zone_indices for more info
*/
if (host.contains("%")) {
hostToCheck = host.substring(0, host.indexOf("%"));
}
if (InetAddresses.isInetAddress(hostToCheck)) {
return "[" + host + "]";
}
}
return host;
}
public static String stripBracketsAndZoneID(String host) {
// if the host contains a ':' then we know it's not IPv4
if (host != null && host.length() > 2 && host.contains(":")) {
// Strip opening/closing brackets
if (host.startsWith("[") && host.endsWith("]")) {
host = host.substring(1, host.length() - 1);
}
if (host.contains("%")) {
return host.substring(0, host.indexOf("%"));
}
}
return host;
}
}