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5012893c1d
This change renames directories in preparation for the great package rename. The repository is now in a broken state because the code itself hasn't been updated. However this should ensure that git correctly preserves history for each file.
85 lines
3.3 KiB
Java
85 lines
3.3 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 com.google.domain.registry.model.eppcommon;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.io.BaseEncoding;
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import com.google.domain.registry.model.ImmutableObject;
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import com.googlecode.objectify.annotation.Embed;
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import java.nio.ByteBuffer;
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import java.util.UUID;
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import java.util.concurrent.atomic.AtomicLong;
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import javax.xml.bind.annotation.XmlElement;
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import javax.xml.bind.annotation.XmlType;
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/**
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* "A {@code TRID} (transaction identifier) element containing the transaction identifier assigned
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* by the server to the command for which the response is being returned. The transaction identifier
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* is formed using the {@code clTRID} associated with the command if supplied by the client and a
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* {@code svTRID} (server transaction identifier) that is assigned by and unique to the server."
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*/
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@Embed
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@XmlType(propOrder = {"clientTransactionId", "serverTransactionId"})
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public class Trid extends ImmutableObject {
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private static final String SERVER_ID = getServerId();
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private static final AtomicLong COUNTER = new AtomicLong();
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/** Creates a unique id for this server instance, as a base64 encoded UUID. */
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private static String getServerId() {
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UUID uuid = UUID.randomUUID();
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ByteBuffer buffer = ByteBuffer.allocate(16);
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buffer.asLongBuffer()
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.put(0, uuid.getMostSignificantBits())
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.put(1, uuid.getLeastSignificantBits());
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return BaseEncoding.base64().encode(buffer.array());
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}
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/** The server transaction id. */
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@XmlElement(name = "svTRID", namespace = "urn:ietf:params:xml:ns:epp-1.0")
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String serverTransactionId;
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/** The client transaction id, if provided by the client, otherwise null. */
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@XmlElement(name = "clTRID", namespace = "urn:ietf:params:xml:ns:epp-1.0")
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String clientTransactionId;
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public String getServerTransactionId() {
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return serverTransactionId;
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}
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public String getClientTransactionId() {
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return clientTransactionId;
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}
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public static Trid create(String clientTransactionId) {
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Trid instance = new Trid();
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instance.clientTransactionId = clientTransactionId;
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// The server id can be at most 64 characters. The SERVER_ID is at most 22 characters (128 bits
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// in base64), plus the dash. That leaves 41 characters, so we just append the counter in hex.
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instance.serverTransactionId = String.format("%s-%x", SERVER_ID, COUNTER.incrementAndGet());
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return instance;
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}
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@VisibleForTesting
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public static Trid create(String clientTransactionId, String serverTransactionId) {
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Trid instance = new Trid();
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instance.clientTransactionId = clientTransactionId;
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instance.serverTransactionId = serverTransactionId;
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return instance;
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}
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}
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