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67 lines
2.5 KiB
Java
67 lines
2.5 KiB
Java
// Copyright 2017 The Nomulus 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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