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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
69 lines
2.6 KiB
Java
69 lines
2.6 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.model.host;
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import com.google.common.net.InetAddresses;
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import java.net.Inet6Address;
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import java.net.InetAddress;
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import javax.xml.bind.annotation.XmlAttribute;
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import javax.xml.bind.annotation.XmlValue;
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import javax.xml.bind.annotation.adapters.CollapsedStringAdapter;
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import javax.xml.bind.annotation.adapters.XmlAdapter;
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import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
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/**
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* Used by JAXB to convert InetAddress objects to and from AddrType objects, which are the
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* intermediate representations of IP addresses in EPP host commands.
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*/
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public final class InetAddressAdapter
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extends XmlAdapter<InetAddressAdapter.AddressShim, InetAddress> {
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/**
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* Intermediate representation of an IP address on a host object. This object only exists
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* temporarily until it is converted by JAXB to and from an InetAddress via this adapter.
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*/
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static class AddressShim {
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@XmlValue
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@XmlJavaTypeAdapter(CollapsedStringAdapter.class)
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String ipAddress;
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@XmlAttribute(name = "ip")
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@XmlJavaTypeAdapter(CollapsedStringAdapter.class)
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String ipVersion;
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}
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@Override
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public AddressShim marshal(InetAddress inetAddress) {
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AddressShim shim = new AddressShim();
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shim.ipAddress = InetAddresses.toAddrString(inetAddress);
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shim.ipVersion = (inetAddress instanceof Inet6Address) ? "v6" : "v4";
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return shim;
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}
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@Override
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public InetAddress unmarshal(AddressShim shim) throws IpVersionMismatchException {
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InetAddress inetAddress = InetAddresses.forString(shim.ipAddress);
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// Enforce that "v6" is used iff the address is ipv6. (For ipv4, "v4" is allowed to be missing.)
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if (inetAddress instanceof Inet6Address != "v6".equals(shim.ipVersion)) {
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throw new IpVersionMismatchException();
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}
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return inetAddress;
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}
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/** Exception for when the specified type of an address (v4/v6) doesn't match its actual type. */
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public static class IpVersionMismatchException extends Exception {}
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}
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