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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.
78 lines
2.8 KiB
Java
78 lines
2.8 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.common;
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import static com.google.domain.registry.model.ofy.ObjectifyService.allocateId;
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import static com.google.domain.registry.model.ofy.ObjectifyService.ofy;
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import com.google.appengine.api.users.User;
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import com.google.common.base.Splitter;
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import com.google.domain.registry.model.ImmutableObject;
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import com.google.domain.registry.model.annotations.NotBackedUp;
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import com.google.domain.registry.model.annotations.NotBackedUp.Reason;
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import com.googlecode.objectify.VoidWork;
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import com.googlecode.objectify.Work;
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import com.googlecode.objectify.annotation.Entity;
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import com.googlecode.objectify.annotation.Id;
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/**
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* A helper class to convert email addresses to GAE user ids. It does so by persisting a User
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* object with the email address to datastore, and then immediately reading it back.
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*/
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@Entity
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@NotBackedUp(reason = Reason.TRANSIENT)
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public class GaeUserIdConverter extends ImmutableObject {
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@Id
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public long id;
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User user;
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/**
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* Converts an email address to a GAE user id.
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*
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* @return Numeric GAE user id (in String form), or null if email address has no GAE id
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*/
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public static String convertEmailAddressToGaeUserId(String emailAddress) {
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final GaeUserIdConverter gaeUserIdConverter = new GaeUserIdConverter();
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gaeUserIdConverter.id = allocateId();
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gaeUserIdConverter.user =
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new User(emailAddress, Splitter.on('@').splitToList(emailAddress).get(1));
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try {
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// Perform these operations in a transactionless context to avoid enlisting in some outer
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// transaction (if any).
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ofy().doTransactionless(new VoidWork() {
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@Override
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public void vrun() {
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ofy().saveWithoutBackup().entity(gaeUserIdConverter).now();
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}});
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// The read must be done in its own transaction to avoid reading from the session cache.
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return ofy().transactNew(new Work<String>() {
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@Override
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public String run() {
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return ofy().load().entity(gaeUserIdConverter).safe().user.getUserId();
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}});
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} finally {
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ofy().doTransactionless(new VoidWork() {
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@Override
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public void vrun() {
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ofy().deleteWithoutBackup().entity(gaeUserIdConverter).now();
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}});
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}
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}
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}
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