| // Copyright (C) 2009 The Android Open Source Project |
| // |
| // Licensed 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 com.google.gerrit.server.account; |
| |
| import com.google.gerrit.client.reviewdb.Account; |
| import com.google.gerrit.client.reviewdb.ReviewDb; |
| import com.google.gwtorm.client.OrmException; |
| import com.google.gwtorm.client.ResultSet; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| public class AccountResolver { |
| private final Realm realm; |
| private final AccountByEmailCache byEmail; |
| private final AccountCache byId; |
| private final Provider<ReviewDb> schema; |
| |
| @Inject |
| AccountResolver(final Realm realm, final AccountByEmailCache byEmail, |
| final AccountCache byId, final Provider<ReviewDb> schema) { |
| this.realm = realm; |
| this.byEmail = byEmail; |
| this.byId = byId; |
| this.schema = schema; |
| } |
| |
| /** |
| * Locate exactly one account matching the name or name/email string. |
| * |
| * @param nameOrEmail a string of the format |
| * "Full Name <email@example>", or just the email address |
| * ("email@example"), or a full name, or an account id. |
| * @return the single account that matches; null if no account matches or |
| * there are multiple candidates. |
| */ |
| public Account find(final String nameOrEmail) throws OrmException { |
| if (nameOrEmail.matches("^[1-9][0-9]*$")) { |
| return byId.get(Account.Id.parse(nameOrEmail)).getAccount(); |
| } |
| |
| final int lt = nameOrEmail.indexOf('<'); |
| final int gt = nameOrEmail.indexOf('>'); |
| if (lt >= 0 && gt > lt && nameOrEmail.contains("@")) { |
| return findByEmail(nameOrEmail.substring(lt + 1, gt)); |
| } |
| |
| if (nameOrEmail.contains("@")) { |
| return findByEmail(nameOrEmail); |
| } |
| |
| final Account.Id id = realm.lookup(nameOrEmail); |
| if (id != null) { |
| return byId.get(id).getAccount(); |
| } |
| |
| return oneAccount(schema.get().accounts().byFullName(nameOrEmail)); |
| } |
| |
| private Account findByEmail(final String email) { |
| final Set<Account.Id> candidates = byEmail.get(email); |
| if (1 == candidates.size()) { |
| return byId.get(candidates.iterator().next()).getAccount(); |
| } |
| return null; |
| } |
| |
| private static Account oneAccount(final ResultSet<Account> rs) { |
| final List<Account> r = rs.toList(); |
| return r.size() == 1 ? r.get(0) : null; |
| } |
| } |